{"id":125256,"date":"2022-10-04T00:32:08","date_gmt":"2022-10-04T07:32:08","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=125256"},"modified":"2022-10-04T00:32:08","modified_gmt":"2022-10-04T07:32:08","slug":"unsigned-dlls","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/unsigned-dlls\/","title":{"rendered":"\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044DLL\u306e\u30cf\u30f3\u30c8\u306b\u3088\u308bAPT\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u306e\u767a\u898b"},"content":{"rendered":"<h2><a id=\"post-125256-_4lt92rr5muov\"><\/a>\u6982\u8981<\/h2>\n<p>\u30de\u30eb\u30a6\u30a7\u30a2\u4f5c\u8005\u306f\u3064\u306d\u306b\u6280\u8853\u3092\u78e8\u304d\u3001\u691c\u77e5\u3092\u304b\u3044\u304f\u3050\u3063\u3066\u3088\u308a\u5de7\u5999\u306a\u653b\u6483\u3092\u5b9f\u884c\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002\u305d\u3046\u3057\u305f\u306a\u304b\u3053\u3053\u6570\u5e74\u3088\u304f\u898b\u304b\u3051\u308b\u306e\u304c\u3001\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044DLL\u3092\u30ed\u30fc\u30c9\u3055\u305b\u308b\u624b\u6cd5\u3067\u3059\u3002<\/p>\n<p>\u79c1\u305f\u3061\u306f\u3001\u6301\u7d9a\u7684\u6a19\u7684\u578b\u653b\u6483\u8005(Advanced Persistent Threats: APT)\u304c\u3053\u306e\u624b\u6cd5\u3092\u4f7f\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u8003\u3048\u3001\u305d\u306e\u30cf\u30f3\u30c8(\u63a2\u7d22)\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u7d50\u679c\u3001\u4e2d\u56fd\u306e\u30b5\u30a4\u30d0\u30fc\u30b9\u30d1\u30a4\u30b0\u30eb\u30fc\u30d7<a href=\"https:\/\/unit42.paloaltonetworks.com\/atoms\/statelytaurus\/\">Stately Taurus<\/a>(\u65e7\u79f0<a href=\"https:\/\/unit42.paloaltonetworks.jp\/pkplug_chinese_cyber_espionage_group_attacking_asia\/\">PKPLUG<\/a> \u5225\u540dMustang Panda)\u3084\u5317\u671d\u9bae\u306eSelective Pisces(\u5225\u540dLazarus Group)\u3092\u306f\u3058\u3081\u3068\u3059\u308bAPT\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u3068\u3001\u6d17\u7df4\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u306b\u3088\u308a\u3001\u5b9f\u969b\u306e\u653b\u6483\u304c\u5e83\u304f\u884c\u308f\u308c\u3066\u3044\u308b\u69d8\u5b50\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u3053\u3067\u672c\u7a3f\u3067\u306f\u3001\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044DLL\u306e\u30ed\u30fc\u30c9\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u3067\u3001\u304a\u5ba2\u69d8\u306e\u74b0\u5883\u306b\u304a\u3051\u308b\u653b\u6483\u3084\u8105\u5a01\u767a\u751f\u6e90\u306e\u7279\u5b9a\u306b\u3064\u306a\u3052\u308b\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001<a href=\"https:\/\/www.paloaltonetworks.jp\/cortex\/cortex-xdr\">Cortex XDR\u306e\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8<\/a>\u3092\u901a\u3058\u3001\u60aa\u6027DLL\u306e\u30ed\u30fc\u30c9\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u3068\u691c\u51fa\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<table style=\"width: 92.053%;\">\n<tbody>\n<tr>\n<td style=\"width: 115.394%;\" colspan=\"2\"><b>\u672c\u7a3f\u3067\u6271\u3046\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u30b0\u30eb\u30fc\u30d7\u540d<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 26.7176%;\"><b>Unit 42\u306b\u3088\u308b\u8ffd\u8de1\u540d<\/b><\/td>\n<td style=\"width: 88.6768%;\"><b>\u5225\u540d<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 26.7176%;\"><span style=\"font-weight: 400;\">Stately Taurus<\/span><\/td>\n<td style=\"width: 88.6768%;\"><span style=\"font-weight: 400;\">Mustang Panda, PKPLUG, BRONZE PRESIDENT, HoneyMyte, Red Lich, Baijiu<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 26.7176%;\"><span style=\"font-weight: 400;\">Selective Pisces<\/span><\/td>\n<td style=\"width: 88.6768%;\"><span style=\"font-weight: 400;\">Lazarus Group, ZINC, APT - C - 26<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><a id=\"post-125256-_d1nha5oq9zwf\"><\/a>\u76ee\u6b21<\/h2>\n<p><a href=\"#post-125256-_skkjyafvaf7r\">\u60aa\u6027DLL: \u611f\u67d3\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u306e\u60aa\u6027\u30da\u30a4\u30ed\u30fc\u30c9\u5b9f\u884c\u306b\u3088\u304f\u4f7f\u308f\u308c\u308b\u624b\u6cd5<\/a><br \/>\n<a href=\"#post-125256-_50343o6a6han\">\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044DLL\u306b\u95a2\u9023\u3057\u3066\u5b9f\u5730\u306b\u89b3\u6e2c\u3055\u308c\u305f\u653b\u6483\u306e\u50be\u5411<\/a><br \/>\n<a href=\"#post-125256-_ce97cct535j5\">\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u9078\u3093\u3067\u6df1\u5800\u308a\u3057\u3066\u307f\u308b<\/a><br \/>\n<a href=\"#post-125256-_kc6w2pahjjd5\">Stately Taurus (\u65e7\u79f0 PKPLUG \u5225\u540d Mustang Panda)<\/a><br \/>\n<a href=\"#post-125256-_qxtybux86qe\">Selective Pisces (\u5225\u540d Lazarus Group)<\/a><br \/>\n<a href=\"#post-125256-_xfupo25xtm1j\">Raspberry Robin<\/a><br \/>\n<a href=\"#post-125256-_ah703yoawp0\">\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044DLL\u3092\u4f7f\u3063\u3066\u81ea\u793e\u74b0\u5883\u5185\u306e\u653b\u6483\u3092\u30cf\u30f3\u30c8\u3059\u308b\u65b9\u6cd5<\/a><br \/>\n<a href=\"#post-125256-_yhe5cvpxdlfe\">\u30cf\u30f3\u30c8\u7528\u30af\u30a8\u30ea<\/a><br \/>\n<a href=\"#post-125256-_2an8ryq91inv\">\u7d50\u8ad6<\/a><\/p>\n<h2><a id=\"post-125256-_skkjyafvaf7r\"><\/a>\u60aa\u6027DLL: \u611f\u67d3\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u306e\u60aa\u6027\u30da\u30a4\u30ed\u30fc\u30c9\u5b9f\u884c\u306b\u3088\u304f\u4f7f\u308f\u308c\u308b\u624b\u6cd5<\/h2>\n<p>\u79c1\u305f\u3061\u306f\u3001\u9577\u5e74\u306b\u308f\u305f\u308b\u30d7\u30ed\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u8105\u5a01\u30cf\u30f3\u30c8\u7d4c\u9a13\u304b\u3089\u3001\u300c\u60aa\u6027DLL\u306e\u30ed\u30fc\u30c9\u306f\u611f\u67d3\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u60aa\u6027\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u4e3b\u305f\u308b\u65b9\u6cd5\u306e\u3072\u3068\u3064\u300d\u3068\u3044\u3046\u4eee\u8aac\u3092\u305f\u3066\u307e\u3057\u305f\u3002\u500b\u4eba\u306e\u30cf\u30c3\u30ab\u30fc\u3082APT\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u3082\u3053\u306e\u624b\u6cd5\u3092\u4f7f\u3063\u3066\u3044\u308b\u3053\u3068\u304b\u3089\u3001\u3053\u306e\u4eee\u8aac\u306b\u57fa\u3065\u3044\u305f\u30ea\u30b5\u30fc\u30c1\u3092\u884c\u3063\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u79c1\u305f\u3061\u304c\u5b9f\u969b\u306b\u76ee\u306b\u3059\u308b\u60aa\u6027DLL\u306e\u591a\u304f\u306b\u306f\u3001\u6b21\u306e3\u3064\u306e\u7279\u5fb4\u304c\u5171\u901a\u3057\u3066\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u307b\u3068\u3093\u3069\u304c\u7279\u6a29\u3092\u3082\u305f\u306a\u3044\u30d1\u30b9\u306b\u66f8\u304d\u8fbc\u307e\u308c\u308b<\/li>\n<li>\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044<\/li>\n<li>\u7f72\u540d\u3055\u308c\u3066\u3044\u308b\u30d7\u30ed\u30bb\u30b9\u306b\u30ed\u30fc\u30c9\u3055\u305b\u308b\u3053\u3068\u3067\u691c\u51fa\u3092\u56de\u907f\u3059\u308b\u3002\u305d\u306e\u3055\u3044\u306fDLL\u3092\u30ed\u30fc\u30c9\u3059\u308b\u5c02\u7528\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3(<span style=\"font-family: 'courier new', courier, monospace;\">rundll32.exe<\/span>\u306a\u3069)\u3092\u4f7f\u3046\u3053\u3068\u3082\u3042\u308b\u3057\u3001\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u4e00\u74b0\u3068\u3057\u3066DLL\u3092\u30ed\u30fc\u30c9\u3059\u308b\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3046\u3053\u3068\u3082\u3042\u308b<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u3092\u8e0f\u307e\u3048\u3001\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u304c\u3088\u304f\u4f7f\u3046\u624b\u6cd5\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<ol>\n<li><span style=\"font-family: 'courier new', courier, monospace;\"><a href=\"https:\/\/attack.mitre.org\/techniques\/T1218\/011\/\">rundll32.exe<\/a><\/span>\u3084<span style=\"font-family: 'courier new', courier, monospace;\"><a href=\"https:\/\/attack.mitre.org\/techniques\/T1218\/010\/\">regsvr32.exe<\/a><\/span>\u306b\u3088\u308bDLL\u306e\u30ed\u30fc\u30c9: \u3053\u308c\u3089\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u7f72\u540d\u3055\u308c\u305f\u65e2\u77e5\u306e\u30d0\u30a4\u30ca\u30ea\u3067\u3059\u304c\u3001\u3053\u308c\u3089\u3092\u60aa\u7528\u3059\u308b\u3053\u3068\u3067\u691c\u51fa\u3092\u56de\u907f\u3057\u3064\u3064\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002<\/li>\n<li><a href=\"https:\/\/attack.mitre.org\/techniques\/T1574\/001\/\">DLL\u691c\u7d22\u9806\u30cf\u30a4\u30b8\u30e3\u30c3\u30af<\/a>: \u6b63\u898f\u30d7\u30ed\u30bb\u30b9\u306e\u691c\u7d22\u9806\u5e8f\u3092\u60aa\u7528\u3057\u3066\u60aa\u8ceaDLL\u3092\u30ed\u30fc\u30c9\u3055\u305b\u308b\u624b\u6cd5\u3067\u3059\u3002\u3053\u306e\u624b\u6cd5\u3067\u306f\u3001\u65e2\u77e5\u306eDLL\u3068\u540c\u3058\u540d\u524d\u306e\u3064\u3051\u3089\u308c\u305f\u60aa\u8cea\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u826f\u6027\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<p>\u4e0a\u8a18\u306e\u624b\u6cd5\u306b\u3088\u308b\u5b9f\u5730\u89b3\u6e2c\u7d50\u679c\u3092\u691c\u8a3c\u3057\u305f\u3068\u3053\u308d\u3001\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044\u60aa\u6027DLL\u306e\u30ed\u30fc\u30c9\u5143\u3068\u306a\u308b\u7279\u6a29\u306a\u3057\u306e\u30d1\u30b9\u3068\u3057\u3066\u3001ProgramData\u3001AppData\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30db\u30fc\u30e0\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30d5\u30a9\u30eb\u30c0\u3068\u30b5\u30d6\u30d5\u30a9\u30eb\u30c0\u304c\u3082\u3063\u3068\u3082\u3088\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u4e0a\u8a18\u306e\u4eee\u8aac\u306b\u57fa\u3065\u3044\u3066\u5f97\u3089\u308c\u305f\u77e5\u898b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-125256-_50343o6a6han\"><\/a>\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044DLL\u306b\u95a2\u9023\u3057\u3066\u5b9f\u5730\u306b\u89b3\u6e2c\u3055\u308c\u305f\u653b\u6483\u306e\u50be\u5411<\/h2>\n<p>\u5148\u306e\u4eee\u8aac\u306b\u57fa\u3065\u3044\u3066\u30cf\u30f3\u30c8\u3092\u884c\u3046\u306b\u3042\u305f\u308a\u3001XQL\u30af\u30a8\u30ea\u30922\u3064\u4f5c\u6210\u3057\u307e\u3057\u305f\u30021\u3064\u3081\u306f<span style=\"font-family: 'courier new', courier, monospace;\">rundll32.exe<\/span>\u304b<span style=\"font-family: 'courier new', courier, monospace;\">regsvr32.exe<\/span>\u304c\u30ed\u30fc\u30c9\u3057\u305f\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044DLL\u3092\u63a2\u3059\u30af\u30a8\u30ea\u3067\u30012\u3064\u3081\u306f\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044DLL\u3092\u30ed\u30fc\u30c9\u3059\u308b\u7f72\u540d\u3055\u308c\u305f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u63a2\u3059\u30af\u30a8\u30ea\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u30cf\u30f3\u30c8\u306e\u7d50\u679c\u3001\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044DLL\u306e\u30ed\u30fc\u30c9\u3092\u884c\u3046\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u304c\u3044\u308d\u3044\u308d\u767a\u898b\u3055\u308c\u307e\u3057\u305f\u3002\u56f31\u306f\u904e\u53bb6\u30f6\u6708\u9593(2022\u5e742\u6708\uff5e8\u6708)\u306b\u5f0a\u793e\u304c\u3053\u308c\u3089\u306e\u624b\u6cd5\u3067\u691c\u51fa\u3057\u305f\u30de\u30eb\u30a6\u30a7\u30a2\u3092\u793a\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_125194\" aria-describedby=\"caption-attachment-125194\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125195 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/09\/unnamed-file.png\" alt=\"2022\u5e742\u6708\uff5e8\u6708\u306b\u89b3\u6e2c\u3055\u308c\u305fDLL\u30ed\u30fc\u30c9\u3092\u4f7f\u3046\u30de\u30eb\u30a6\u30a7\u30a2: Raspberry Robin(31.0%)\u3001Emotet(17.4%)\u3001QakBot(15.5%)\u3001IcedID(9.7%)\u3001Cobalt Strike(7.8%)\u3001Vawtrak(6.8%)\u3001Ursnif(5.8%)\u3001Amavaldo(3.1%)\u3001Stately Taurus(1.9%)\u3001Selective Pisces (1.0%)\" width=\"900\" height=\"557\" \/><figcaption id=\"caption-attachment-125194\" class=\"wp-caption-text\">\u56f31. \u89b3\u6e2c\u3055\u308c\u305fDLL\u8aad\u307f\u8fbc\u307f\u624b\u6cd5\u3092\u4f7f\u3046\u30de\u30eb\u30a6\u30a7\u30a2<\/figcaption><\/figure>\n<p>\u4e0a\u8a18\u306e\u8105\u5a01\u304c\u4f7f\u3046\u5b9f\u884c\u30c6\u30af\u30cb\u30c3\u30af\u3092\u5206\u6790\u3057\u305f\u3068\u3053\u308d\u3001\u91d1\u878d\u7cfb\u306e\u30c8\u30ed\u30a4\u306e\u6728\u99ac(\u30d0\u30f3\u30ad\u30f3\u30b0\u30c8\u30ed\u30fc\u30b8\u30e3\u30f3)\u3084\u500b\u4eba\u306e\u8105\u5a01\u30a2\u30af\u30bf\u30fc\u306f\u60aa\u6027DLL\u306e\u30ed\u30fc\u30c9\u306b<span style=\"font-family: 'courier new', courier, monospace;\">rundll32.exe<\/span>\u304b<span style=\"font-family: 'courier new', courier, monospace;\">regsvr32.exe<\/span>\u3092\u4f7f\u3046\u30b1\u30fc\u30b9\u304c\u591a\u304f\u3001APT\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u306f\u305f\u3044\u3066\u3044DLL\u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u624b\u6cd5\u3092\u4f7f\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2><a id=\"post-125256-_ce97cct535j5\"><\/a>\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u9078\u3093\u3067\u6df1\u5800\u308a\u3057\u3066\u307f\u308b<\/h2>\n<h3><a id=\"post-125256-_kc6w2pahjjd5\"><\/a>Stately Taurus<\/h3>\n<p>\u4eca\u56de\u306f\u3042\u308b\u7d44\u7e54\u306e\u74b0\u5883\u5185\u3067\u691c\u51fa\u3055\u308c\u305f<a href=\"https:\/\/unit42.paloaltonetworks.jp\/pkplug_chinese_cyber_espionage_group_attacking_asia\/\">Stately Taurus<\/a>\u306b\u3088\u308b\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u4e2d\u5fc3\u306b\u8abf\u67fb\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002Stately Taurus\u306f\u653f\u5e9c\u7d44\u7e54\u4ee5\u5916\u306e\u7d44\u7e54\u3092\u6a19\u7684\u3068\u3059\u308b\u3053\u3068\u304c\u591a\u3044\u4e2d\u56fd\u306eAPT\u30b0\u30eb\u30fc\u30d7\u3067\u3001\u30da\u30a4\u30ed\u30fc\u30c9\u306e\u30ed\u30fc\u30c9\u306b\u6b63\u898f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u60aa\u7528\u3059\u308b\u3053\u3068\u3067\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u4e8b\u4f8b\u3067\u306fDLL\u691c\u7d22\u9806\u5e8f\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u624b\u6cd5\u3067\u653b\u6483\u8005\u306e\u60aa\u6027DLL\u3092\u6b63\u898f\u30d7\u30ed\u30bb\u30b9\u306e\u30e1\u30e2\u30ea\u7a7a\u9593\u306b\u30ed\u30fc\u30c9\u3055\u305b\u3066\u3044\u308b\u69d8\u5b50\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002DLL\u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u306f\u3001\u30a6\u30a4\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u3084PDF\u30ea\u30fc\u30c0\u30fc\u306a\u3069\u306e\u8907\u6570\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_125196\" aria-describedby=\"caption-attachment-125196\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125197 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/09\/word-image-66.png\" alt=\"\u3053\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u306f\u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u3088\u308a\u60aa\u6027DLL\u306ewsc.dll\u3092\u8aad\u307f\u8fbc\u3080\u826f\u6027\u5b9f\u884c\u30d5\u30a1\u30a4\u30eb (AvastSvc.exe) \u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\" width=\"900\" height=\"272\" \/><figcaption id=\"caption-attachment-125196\" class=\"wp-caption-text\">\u56f32. <span style=\"font-family: 'courier new', courier, monospace;\">AvastSvc.exe<\/span>\u304c\u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306b\u3088\u308a\u60aa\u6027DLL\u3092\u30ed\u30fc\u30c9<\/figcaption><\/figure>\n<p>DLL\u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u5b9f\u884c\u306b\u3042\u305f\u308a\u3001\u540c\u30b0\u30eb\u30fc\u30d7\u306f\u30da\u30a4\u30ed\u30fc\u30c9\u3092ProgramData\u30d5\u30a9\u30eb\u30c0\u306b\u30c9\u30ed\u30c3\u30d7\u3057\u3001\u305d\u306e\u306a\u304b\u306bDLL\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u7528\u306e\u826f\u6027\u306e\u5b9f\u884c\u5f62\u5f0f\u30d5\u30a1\u30a4\u30eb(<span style=\"font-family: 'courier new', courier, monospace;\">AvastSvc.exe<\/span>)\u3001DLL \u30d5\u30a1\u30a4\u30eb(<span style=\"font-family: 'courier new', courier, monospace;\">wsc.dll<\/span>)\u3001\u6697\u53f7\u5316\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9(<span style=\"font-family: 'courier new', courier, monospace;\">AvastAuth.dat<\/span>)\u3068\u3044\u30463\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3081\u3066\u3044\u307e\u3057\u305f\u3002\u30ed\u30fc\u30c9\u3055\u308c\u305fDLL\u306f<a href=\"https:\/\/unit42.paloaltonetworks.jp\/thor-plugx-variant\/\">PlugX RAT<\/a>\u3068\u898b\u3089\u308c\u3001\u3053\u308c\u304c<span style=\"font-family: 'courier new', courier, monospace;\">.dat<\/span>\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u6697\u53f7\u5316\u3055\u308c\u305f\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u30ed\u30fc\u30c9\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_125198\" aria-describedby=\"caption-attachment-125198\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125199 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/09\/word-image-67.png\" alt=\"\u8868\u306e\u5185\u5bb9\u306f\u6b21\u306e\u3068\u304a\u308a\u3002File Create - AvastAuth.dat - C:\\ProgramData\\AvastSvcZEg\\AvastAuth.dat; File Write - wsc.dll - C:\\ProgramData\\AvastSvcZEg\\wsc.dll; File Write - wsc.dll - C:\\ProgramData\\AvastSvcZEg\\wsc.dll; File Create - wsc.dll - C:\\ProgramData\\AvastSvcZEg\\wsc.dll; File Write - AvastSvc.exe - C:\\ProgramData\\AvastSvcZEg\\AvastSvc.exe\" width=\"900\" height=\"236\" \/><figcaption id=\"caption-attachment-125198\" class=\"wp-caption-text\">\u56f33. PlugX\u30d5\u30a1\u30a4\u30eb: \u826f\u6027\u306e\u5b9f\u884c\u5f62\u5f0f\u30d5\u30a1\u30a4\u30eb\u3001DLL\u30ed\u30fc\u30c0\u30fc\u3001\u6697\u53f7\u5316\u3055\u308c\u305f<span style=\"font-family: 'courier new', courier, monospace;\">.dat<\/span>\u30d5\u30a1\u30a4\u30eb<\/figcaption><\/figure>\n<h3><a id=\"post-125256-_qxtybux86qe\"><\/a>Selective Pisces<\/h3>\n<p>\u307e\u305f\u3053\u306e\u30cf\u30f3\u30c8\u7528\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001ProgramData\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185(\u56f34)\u306b\u3001\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u306e\u9ad8\u3044\u60aa\u6027\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u8907\u6570\u7279\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<figure id=\"attachment_125200\" aria-describedby=\"caption-attachment-125200\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125201 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/09\/word-image-68.png\" alt=\"\u3053\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u306b\u306f\u3001uso.dat (0.999545)\u3001mi.dll (0.999396)\u3001mi.dll (0.999393)\u3001 SXSHARED.DLL (0.999354)\u3001USOShared.tmp (0.999317)\u306a\u3069\u3001Selective Pisces\u306b\u95a2\u9023\u3059\u308b\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u306e\u9ad8\u3044\u60aa\u6027\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\" width=\"900\" height=\"212\" \/><figcaption id=\"caption-attachment-125200\" class=\"wp-caption-text\">\u56f34. Selective Pisces\u306b\u3088\u308bDLL\u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0<\/figcaption><\/figure>\n<p>\u56f34\u306b\u793a\u3057\u305f\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u5b9f\u884c\u30c1\u30a7\u30fc\u30f3\u3092\u8abf\u67fb\u3057\u305f\u3068\u3053\u308d\u3001\u7f72\u540d\u306e\u3064\u3044\u305fDreamSecurity MagicLine4NX\u30d7\u30ed\u30bb\u30b9(<span style=\"font-family: 'courier new', courier, monospace;\">MagicLine4NX.exe<\/span>)\u306b\u3088\u3063\u3066\u30c7\u30a3\u30b9\u30af\u306b\u30c9\u30ed\u30c3\u30d7\u3055\u308c\u3066\u3044\u305f\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e<span style=\"font-family: 'courier new', courier, monospace;\">MagicLine4NX.exe<\/span>\u304c\u7b2c2\u6bb5\u968e\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u3053\u306e\u3055\u3044\u3001\u691c\u51fa\u907f\u3051\u306bDLL\u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u4f7f\u3063\u3066\u3044\u308b\u69d8\u5b50\u304c\u89b3\u6e2c\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u7b2c2\u6bb5\u968e\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">mi.dll<\/span>\u3068\u3044\u3046\u540d\u524d\u306e\u65b0\u305f\u306aDLL\u3092\u66f8\u304d\u3053\u307f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">wsmprovhost.exe<\/span>(WinRM\u306e\u30db\u30b9\u30c8\u30d7\u30ed\u30bb\u30b9)\u3092ProgramData\u5185\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u30b3\u30d4\u30fc\u3057\u3066\u3044\u307e\u3057\u305f\u3002<span style=\"font-family: 'courier new', courier, monospace;\">Wsmprovhost.exe<\/span>\u306fWindows\u30cd\u30a4\u30c6\u30a3\u30d6\u306e\u30d0\u30a4\u30ca\u30ea\u3067\u3001\u540c\u4e00\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306b\u3042\u308b<span style=\"font-family: 'courier new', courier, monospace;\">mi.dll<\/span>\u3092\u30ed\u30fc\u30c9\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002\u653b\u6483\u8005\u306f\u3053\u306e\u3057\u304f\u307f\u3092\u60aa\u7528\u3057\u3001\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u4f7f\u3063\u3066DLL\u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0<a href=\"https:\/\/attack.mitre.org\/techniques\/T1574\/002\/\">(T1574.002<\/a>)\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e<span style=\"font-family: 'courier new', courier, monospace;\">mi.dll<\/span>\u3068\u3044\u3046\u30da\u30a4\u30ed\u30fc\u30c9\u306f\u3001<span style=\"font-family: 'courier new', courier, monospace;\">ualapi.dll<\/span>\u3068\u3044\u3046\u3055\u3089\u306b\u3079\u3064\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u3092System32\u30c7\u30a3\u30ec\u30af\u30c8\u30ea(<span style=\"font-family: 'courier new', courier, monospace;\">C:\\Windows\\System32\\ualapi.dll<\/span>)\u306b\u30c9\u30ed\u30c3\u30d7\u3059\u308b\u69d8\u5b50\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30b1\u30fc\u30b9\u3067\u306f\u3001System32\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306b<span style=\"font-family: 'courier new', courier, monospace;\">ualapi.dll<\/span>\u3068\u3044\u3046DLL\u306f\u5b58\u5728\u3057\u3066\u3044\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u653b\u6483\u8005\u306f\u3053\u306e\u4e8b\u5b9f\u3092\u5229\u7528\u3057\u3001\u60aa\u8cea\u30da\u30a4\u30ed\u30fc\u30c9\u306b<span style=\"font-family: 'courier new', courier, monospace;\">ualapi.dll<\/span>\u3068\u3044\u3046\u540d\u524d\u3092\u4ed8\u3051\u308b\u3053\u3068\u3067\u6c38\u7d9a\u6027\u3092\u78ba\u4fdd\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u3046\u3057\u3066\u304a\u3051\u3070\u3001<span style=\"font-family: 'courier new', courier, monospace;\">spoolsv.exe<\/span>\u304c\u8d77\u52d5\u6642\u306b\u5f53\u8a72DLL\u3092\u30ed\u30fc\u30c9\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u30da\u30a4\u30ed\u30fc\u30c9\u3092\u5206\u6790\u3057\u305f\u3068\u3053\u308d\u3001\u3053\u308c\u306fUnit 42\u304cSelective Pisces\u306e\u540d\u524d\u3067\u8ffd\u8de1\u3057\u3066\u3044\u308b\u5317\u671d\u9baeAPT\u653b\u6483\u30b0\u30eb\u30fc\u30d7\u306b\u5e30\u5c5e\u3059\u308b\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002\u540c\u30b0\u30eb\u30fc\u30d7\u304cMagicLine4NX\u306e\u3088\u3046\u306a\u6b63\u898f\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u4f7f\u3046\u3053\u3068\u306f\u3001\u4eca\u5e74\u306e\u306f\u3058\u3081\u306bSymantec\u3082\u540c\u793e\u306e<a href=\"https:\/\/symantec-enterprise-blogs.security.com\/blogs\/japanese\/lazarushuaxuefenyewobiaodeni\">\u30d6\u30ed\u30b0<\/a>\u3067\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3><a id=\"post-125256-_xfupo25xtm1j\"><\/a>Raspberry Robin<\/h3>\n<p>\u6700\u5f8c\u306b\u3001\u79c1\u305f\u3061\u304c\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u3082\u3063\u3068\u3082\u3088\u304f\u76ee\u306b\u3057\u305f\u653b\u6483\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u304a\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<br \/>\n\u79c1\u305f\u3061\u304c\u30af\u30a8\u30ea\u304b\u3089\u5f97\u305f\u7d50\u679c\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u7279\u5fb4\u304c\u5171\u901a\u3057\u3066\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u9069\u5f53\u306a\u6587\u5b57\u3092\u4e26\u3079\u5909\u3048\u305f\u540d\u524d\u3092\u3082\u3064DLL\u304c\u3001ProgramData\u30d5\u30a9\u30eb\u30c0\u4ee5\u4e0b\u307e\u305f\u306fAppData\u30d5\u30a9\u30eb\u30c0\u4ee5\u4e0b\u306e\u30e9\u30f3\u30c0\u30e0\u306a\u30b5\u30d6\u30d5\u30a9\u30eb\u30c0\u306b\u5b58\u5728\u3059\u308b<\/li>\n<li>\u4f3c\u305f\u3088\u3046\u306a\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u7bc4\u56f2\u3092\u3082\u3064(0.66\u524d\u5f8c)<\/li>\n<li>\u3044\u305a\u308c\u3082<span style=\"font-family: 'courier new', courier, monospace;\">rundll32.exe<\/span>\u304b<span style=\"font-family: 'courier new', courier, monospace;\">regsvr32.exe<\/span>\u3067\u30ed\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b<\/li>\n<\/ul>\n<p>\u4f8b: <span style=\"font-family: 'courier new', courier, monospace;\">RUNDLL32.EXE <\/span><span style=\"font-family: 'courier new', courier, monospace;\">C:\\ProgramData\\&lt;random_folder&gt;\\fhcplow_Tudjdm.dll,iarws_sbv<\/span><\/p>\n<figure id=\"attachment_125202\" aria-describedby=\"caption-attachment-125202\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125203 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/09\/word-image-69.png\" alt=\"Raspberry Robin\u306e\u30ed\u30fc\u30c9\u3059\u308bDLL\u306fnpwmse_Nemcttdid.dll\u3001iyclBaiic_fig.dll\u3001Portsoft_Gdfv.dll\u3001adlsoft_w_ni.dll\u3001dfjssoft_002.dll\u3001fhcplow_Tudjdm.dll\u3001CNBERngs_De4_3.dll\u306a\u3069\" width=\"900\" height=\"337\" \/><figcaption id=\"caption-attachment-125202\" class=\"wp-caption-text\">\u56f35. Raspberry Robin\u304c\u30ed\u30fc\u30c9\u3059\u308bDLL<\/figcaption><\/figure>\n<p>\u3053\u308c\u3089\u306e\u653b\u6483\u3067\u884c\u308f\u308c\u3066\u3044\u305fDLL\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306f\u3001\u6700\u8fd1<a href=\"https:\/\/redcanary.com\/blog\/raspberry-robin\/\">Red Canary<\/a>\u304c\u89e3\u8aac\u3057\u305fRaspberry Robin\u3068\u547c\u3070\u308c\u308b\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306b\u5e30\u5c5e\u3059\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u653b\u6483\u306f\u611f\u67d3USB\u30c7\u30d0\u30a4\u30b9\u4e0a\u306e\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u30d5\u30a1\u30a4\u30eb\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u3053\u306e\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u30d5\u30a1\u30a4\u30eb\u304c<span style=\"font-family: 'courier new', courier, monospace;\">msiexec.exe<\/span>\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u4f5c\u6210\u3057\u3066\u30ea\u30e2\u30fc\u30c8\u306eC2\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u60aa\u6027DLL\u3092\u53d6\u5f97\u3057\u307e\u3059\u3002\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u5f8c\u306f\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u30bf\u30b9\u30af\u304c\u4f5c\u6210\u3055\u308c\u3001\u3053\u306e\u30bf\u30b9\u30af\u3067\u30b7\u30b9\u30c6\u30e0\u8d77\u52d5\u6642\u306b<span style=\"font-family: 'courier new', courier, monospace;\">rundll32.exe\/regsvr32.exe<\/span>\u3067DLL\u3092\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u6c38\u7d9a\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-125256-_ah703yoawp0\"><\/a>\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044DLL\u3092\u4f7f\u3063\u3066\u81ea\u793e\u74b0\u5883\u5185\u306e\u653b\u6483\u3092\u30cf\u30f3\u30c8\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>Cortex XDR\u306eXQL Search\u3092\u4f7f\u3046\u3068\u3001\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044DLL\u306e\u30ed\u30fc\u30c9\u3092\u30cf\u30f3\u30c8\u53ef\u80fd\u3067\u3059\u3002<br \/>\n\u7d50\u679c\u3092\u7d5e\u308a\u8fbc\u3080\u306b\u306f\u4ee5\u4e0b\u306e\u70b9\u306b\u7740\u76ee\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>DLL\u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u6709\u7121: \u6a19\u6e96\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4ee5\u5916\u306b\u7f6e\u304b\u308c\u3066\u3044\u308b\u65e2\u77e5\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u88fd\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u304c\u5b58\u5728\u3057\u306a\u3044\u304b\u6ce8\u610f\u3059\u308b<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u306e\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u306f\u3069\u306e\u3050\u3089\u3044\u304b: \u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u306e\u9ad8\u3044\u30d0\u30a4\u30ca\u30ea\u306b\u306f\u3001\u5b9f\u884c\u4e2d\u306b\u62bd\u51fa\u3055\u308c\u308b\u30d1\u30c3\u30af\u3055\u308c\u305f\u30bb\u30af\u30b7\u30e7\u30f3\u304c\u542b\u307e\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/li>\n<li>\u5b9f\u884c\u983b\u5ea6\u306f\u3069\u306e\u3050\u3089\u3044\u304b: \u5b9f\u884c\u983b\u5ea6\u304c\u9ad8\u3044\u5834\u5408\u3001\u5b9a\u671f\u7684\u306b\u767a\u751f\u3059\u308b\u6b63\u5f53\u306a\u6d3b\u52d5\u3092\u793a\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u983b\u5ea6\u304c\u4f4e\u3044\u5834\u5408\u3001\u305d\u308c\u304c\u8abf\u67fb\u306e\u624b\u304c\u304b\u308a\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u30d1\u30b9\u306f\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u304b: \u30d5\u30a1\u30a4\u30eb\u540d\u304c\u9069\u5f53\u306a\u6587\u5b57\u306e\u7db4\u308a\u5909\u3048\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u30d5\u30a9\u30eb\u30c0\u3084\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3080\u5834\u5408\u306f\u305d\u3046\u3067\u306a\u3044\u5834\u5408\u3088\u308a\u7591\u308f\u3057\u3044\u3068\u8a00\u3048\u308b<\/li>\n<\/ul>\n<figure id=\"attachment_125204\" aria-describedby=\"caption-attachment-125204\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img  class=\"wp-image-125205 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2022\/09\/word-image-70.png\" alt=\"\u30af\u30a8\u30ea\u306e\u7d50\u679c(\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u9806\u306b\u30bd\u30fc\u30c8)\u3002\u3053\u306e\u56f3\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u9806\u306b\u30bd\u30fc\u30c8\u3059\u308b\u3068Emotet\u30b5\u30f3\u30d7\u30eb\u306e\u5b9f\u884c\u304c\u4e0a\u4f4d\u306b\u304d\u305f\u69d8\u5b50\u3092\u793a\u3057\u3066\u3044\u308b\u3053\u306e\u4f8b\u3067\u306f\u30e2\u30b8\u30e5\u30fc\u30eb\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u306e\u30b9\u30b3\u30a2\u306e\u7bc4\u56f2\u304c 0.860774\u304b\u30890.637715\u307e\u3067\u964d\u9806\u3067\u8868\u793a\u3055\u308c\u3066\u3044\u308b \" width=\"900\" height=\"158\" \/><figcaption id=\"caption-attachment-125204\" class=\"wp-caption-text\">\u56f36. \u30af\u30a8\u30ea\u306e\u7d50\u679c(\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u9806\u306b\u30bd\u30fc\u30c8)<\/figcaption><\/figure>\n<p>\u56f36\u306f\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u89e3\u8aac\u3059\u308b\u30af\u30a8\u30ea\u306e\u7d50\u679c\u306e\u4e00\u90e8\u3092\u3001\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u9806\u306b\u30bd\u30fc\u30c8\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u6700\u521d\u306e2\u884c\u304cEmotet\u306e\u5b9f\u884c\u4f8b\u3067\u3001\u307b\u304b\u306f\u826f\u6027\u306eDLL\u3067\u3059\u3002<\/p>\n<h3><a id=\"post-125256-_yhe5cvpxdlfe\"><\/a>\u30cf\u30f3\u30c8\u7528\u30af\u30a8\u30ea<\/h3>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<pre class=\"lang:default decode:true\">\/\/ rundll32.exe\u307e\u305f\u306fregsvr32.exe\u304c\u904e\u53bb30\u65e5\u9593\u306b\u901a\u5e38\u4ee5\u5916\u306e\u30d5\u30a9\u30eb\u30c0\u304b\u3089\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u30ed\u30fc\u30c9\u3057\u3066\u3044\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\r\n\r\n\r\nconfig case_sensitive = false timeframe = 30d\r\n| dataset = xdr_data \r\n| filter event_type = ENUM.LOAD_IMAGE and (action_module_path contains \"C:\\ProgramData\" or action_module_path contains \"\\public\" or action_module_path contains \"\\documents\" or action_module_path contains \"\\pictures\" or action_module_path contains \"\\videos\" or action_module_path contains \"appdata\") and action_module_signature_status = 3 and (actor_process_image_name contains \"rundll32.exe\" or actor_process_image_name contains \"regsvr32.exe\") and (actor_process_command_line contains \"programdata\" or actor_process_command_line contains \"\\public\" or actor_process_command_line contains \"\\documents\" or actor_process_command_line contains \"\\pictures\" or actor_process_command_line contains \"\\videos\" or actor_process_command_line contains \"appdata\") \r\n| alter module_entropy = json_extract_scalar(action_module_file_info, \"$.entropy\")\r\n| fields agent_hostname , action_module_sha256  , action_module_path  , actor_process_image_name, actor_process_command_line, module_entropy\r\n| comp count (action_module_path) as counter by action_module_path , action_module_sha256 , module_entropy<\/pre>\n<p><!-- [Format Time: 0.0017 seconds] --><\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta --><\/p>\n<pre class=\"lang:default decode:true\">\/\/ DLL\u30b5\u30a4\u30c9\u30ed\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u53ef\u80fd\u6027\u78ba\u8a8d: \u7f72\u540d\u3064\u304d\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u904e\u53bb30\u65e5\u9593\u306b\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044DLL\u3092AppData\\ProgramData\\Public\u30d5\u30a9\u30eb\u30c0\u304b\u3089\u30ed\u30fc\u30c9\u3057\u3066\u3044\u305f\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\r\n\r\nconfig case_sensitive = false timeframe = 30d\r\n| dataset = xdr_data \r\n| filter event_type = ENUM.LOAD_IMAGE and (action_module_path contains \"C:\\ProgramData\" or action_module_path contains \"\\public\" or action_module_path contains \"appdata\") and action_module_signature_status = 3 and (actor_process_image_name not contains \"rundll32.exe\" or actor_process_image_name not contains \"regsvr32.exe\") and actor_process_signature_status = 1 and (actor_process_image_path contains \"appdata\" or actor_process_image_path contains \"programdata\" or actor_process_image_path contains \"public\" )\r\n| alter module_entropy = json_extract_scalar(action_module_file_info, \"$.entropy\")\r\n| fields agent_hostname , action_module_sha256  , action_module_path  , actor_process_image_name, actor_process_command_line, module_entropy, actor_process_image_path \r\n| comp count (action_module_path) as counter by action_module_path , action_module_sha256 , module_entropy, actor_process_image_path<\/pre>\n<p><!-- [Format Time: 0.0014 seconds] --><\/p>\n<h2><a id=\"post-125256-_2an8ryq91inv\"><\/a>\u7d50\u8ad6<\/h2>\n<p>\u60aa\u6027DLL\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u691c\u51fa\u6280\u8853\u306f\u5bfe\u8c61\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u30e1\u30e2\u30ea\u30ed\u30fc\u30c9\u5f8c\u306e\u632f\u308b\u821e\u3044\u306b\u4f9d\u5b58\u3057\u3066\u884c\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u3053\u308c\u304c\u60aa\u6027\u30e2\u30b8\u30e5\u30fc\u30eb\u30d6\u30ed\u30c3\u30af\u306e\u8db3\u304b\u305b\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3046\u3057\u305f\u5834\u5408\u3067\u3082\u3001\u672c\u7a3f\u3067\u7d39\u4ecb\u3057\u305f\u3088\u3046\u306a\u30cf\u30f3\u30c6\u30a3\u30f3\u30b0\u624b\u6cd5\u3092\u4f7f\u3048\u3070\u3001\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044\u60aa\u6027DLL\u3092\u30d7\u30ed\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u767a\u898b\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u6b63\u898f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3084\u632f\u308b\u821e\u3044\u306e\u89b3\u70b9\u304b\u3089\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u3092\u77e5\u3063\u3066\u304a\u3051\u3070\u3001\u4e0a\u8a18\u30af\u30a8\u30ea\u3067\u751f\u6210\u3055\u308c\u308b\u7d50\u679c\u306e\u6570\u3092\u7d5e\u308a\u8fbc\u307f\u3001\u7591\u308f\u3057\u3044\u3082\u306e\u306b\u96c6\u4e2d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Cortex XDR\u306f\u3001\u632f\u308b\u821e\u3044\u8105\u5a01\u9632\u5fa1(Behavioral Threat Protection: BTP)\u3084Analytics\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f7f\u3044\u3001\u65e2\u77e5\u306e\u30cf\u30a4\u30b8\u30e3\u30c3\u30af\u6280\u8853\u306b\u3088\u3063\u3066\u30ed\u30fc\u30c9\u3055\u308c\u305f\u60aa\u6027DLL\u306b\u5bfe\u3057\u3066\u30a2\u30e9\u30fc\u30c8\u3092\u767a\u5831\u3057\u3066\u30d6\u30ed\u30c3\u30af\u3057\u3001\u30a8\u30af\u30b9\u30d7\u30ed\u30a4\u30c8\u5f8c\u306e\u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u3092\u9632\u6b62\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>Stately Taurus\u95a2\u9023\u306eIoC(\u4fb5\u5bb3\u6307\u6a19)\u3068TTP\u306e\u6307\u6a19\u306f<a href=\"https:\/\/unit42.paloaltonetworks.com\/atoms\/statelytaurus\/mware\/\">ATOM<\/a>\u3067Stately Taurus\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u4fb5\u5bb3\u306e\u61f8\u5ff5\u304c\u3042\u308a\u5f0a\u793e\u306b\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u95a2\u3059\u308b\u3054\u76f8\u8ac7\u3092\u306a\u3055\u308a\u305f\u3044\u5834\u5408\u306f\u3001<a href=\"mailto:infojapan@paloaltonetworks.com\">infojapan@paloaltonetworks.com<\/a> \u307e\u3067\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u3066\u3054\u9023\u7d61\u304f\u3060\u3055\u3044(\u3054\u76f8\u8ac7\u306f\u5f0a\u793e\u88fd\u54c1\u306e\u304a\u5ba2\u69d8\u306b\u306f\u9650\u5b9a\u3055\u308c\u307e\u305b\u3093)\u3002<\/p>\n<h2><a id=\"post-125256-_73lw4g4a4pw2\"><\/a>IoC<\/h2>\n<table style=\"width: 94.4098%;\">\n<tbody>\n<tr>\n<td style=\"width: 22.2714%;\"><b>\u8105\u5a01\u30a2\u30af\u30bf\u30fc<\/b><\/td>\n<td style=\"width: 111.865%;\"><b>SHA256<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Selective Pisces<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">779a6772d4d35e1b0018a03b75cc6f992d79511321def35956f485debedf1493<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Selective Pisces<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">d9b1ad70c0a043d034f8eecd55a8290160227ea66780ccc65d0ffb2ebc2fb787<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Selective Pisces<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">3131985fa7394fa9dbd9c9b26e15ac478a438a57617f1567dc32c35b388c2f60<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Selective Pisces<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">5be717dc9eda4df099e090f2a59c25372d6775e7d6551b21f385cf372247c2fd<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Selective Pisces<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">18cc18d02742da3fa88fc8c45fe915d58abb52d3183b270c0f84ae5ff68cf8a2<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Selective Pisces<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">7aa62af5a55022fd89b3f0c025ea508128a03aab5bc7f92787b30a3e9bc5c6e4<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Selective Pisces<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">79b7964bde948b70a7c3869d34fe5d5205e6259d77d9ac7451727d68a751aa7d<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Selective Pisces<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">cf9ccba037f807c5be523528ed25cee7fbe4733ec19189e393d17f92e76ffccc<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Selective Pisces<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">32449fd81cc4f85213ed791478ec941075ff95bb544ba64fa08550dd8af77b69<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Selective Pisces<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">5a8b1f003ae566a8e443623a18c1f1027ec46463c5c5b413c48d91ca1181dbf7<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Selective Pisces<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">5bb4950a05a46f7d377a3a8483484222a8ff59eafdf34460c4b1186984354cf9<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Stately Taurus<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">352fb4985fdd150d251ff9e20ca14023eab4f2888e481cbd8370c4ed40cfbb9a<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Stately Taurus<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">6491c646397025bf02709f1bd3025f1622abdc89b550ac38ce6fac938353b954<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Stately Taurus<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">e8f55d0f327fd1d5f26428b890ef7fe878e135d494acda24ef01c695a2e9136d<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Raspberry Robin<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">06f11ea2d7d566e33ed414993da00ac205793af6851a2d6f809ff845a2b39f57<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Raspberry Robin<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">202dab603585f600dbd884cb5bd5bf010d66cab9133b323c50b050cc1d6a1795<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Raspberry Robin<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">f9e4627733e034cfc1c589afd2f6558a158a349290c9ea772d338c38d5a02f0e<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Raspberry Robin<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">9fad2f59737721c26fc2a125e18dd67b92493a1220a8bbda91e073c0441437a9<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.2714%;\"><span style=\"font-weight: 400;\">Raspberry Robin<\/span><\/td>\n<td style=\"width: 111.865%;\"><span style=\"font-weight: 400; font-family: 'courier new', courier, monospace;\">9973045c0489a0382db84aef6356414ef29814334ecbf6639f55c3bec4f8738f<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt; color: #999999;\"><em>\u88681 \u30b5\u30f3\u30d7\u30eb\u306e\u30cf\u30c3\u30b7\u30e5<\/em><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u30de\u30eb\u30a6\u30a7\u30a2\u4f5c\u8005\u306f\u3064\u306d\u306b\u6280\u8853\u3092\u78e8\u304d\u3001\u691c\u77e5\u3092\u304b\u3044\u304f\u3050\u3063\u3066\u3088\u308a\u5de7\u5999\u306a\u653b\u6483\u3092\u5b9f\u884c\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002\u305d\u3046\u3057\u305f\u306a\u304b\u3053\u3053\u6570\u5e74\u3088\u304f\u898b\u304b\u3051\u308b\u306e\u304c\u3001\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044DLL\u3092\u30ed\u30fc\u30c9\u3055\u305b\u308b\u624b\u6cd5\u3067\u3059\u3002 \u79c1\u305f\u3061\u306f\u3001\u6301\u7d9a\u7684\u6a19\u7684\u578b\u653b\u6483\u8005(Advan<\/p>\n","protected":false},"author":323,"featured_media":134300,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[4321,1974,4428],"tags":[4499,4647,5427,5429,5431,4571,5433,5434,4573,5361],"product_categories":[4448,4344,4465],"coauthors":[3205,3654],"class_list":["post-125256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-threat-research","category-malware-ja","category-threat-research-ja","tag-advanced-persistent-threat-ja","tag-dll-sideloading-ja","tag-investigation-and-response-ja","tag-lazarus-group-ja","tag-malware-prevention-ja","tag-mustang-panda-ja","tag-pkplug-ja","tag-selective-pisces","tag-stately-taurus-ja","tag-threat-intelligence-ja","product_categories-cortex-xdr-ja","product_categories-unit-42-incident-response","product_categories-unit-42-incident-response-ja"],"yoast_head":"<!-- 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