{"id":106469,"date":"2020-04-19T20:28:07","date_gmt":"2020-04-20T03:28:07","guid":{"rendered":"https:\/\/unit42.paloaltonetworks.com\/?p=106469"},"modified":"2020-05-18T21:06:24","modified_gmt":"2020-05-19T04:06:24","slug":"covid-19-themed-cyber-attacks-target-government-and-medical-organizations","status":"publish","type":"post","link":"https:\/\/origin-unit42.paloaltonetworks.com\/ja\/covid-19-themed-cyber-attacks-target-government-and-medical-organizations\/","title":{"rendered":"\u65b0\u578b\u30b3\u30ed\u30ca\u30a6\u30a4\u30eb\u30b9\u611f\u67d3\u75c7\u95a2\u9023\u7d44\u7e54\u3092\u72d9\u3046\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u653b\u6483 \u65e5\u672c\u3082\u6a19\u7684\u306b"},"content":{"rendered":"<h2><a id=\"post-106469-executive-summary\"><\/a>\u6982\u8981<\/h2>\n<p>\u65b0\u578b\u30b3\u30ed\u30ca\u30a6\u30a4\u30eb\u30b9\u611f\u67d3\u75c7\uff08COVID-19\uff09\u304c\u4e16\u754c\u7684\u306b\u62e1\u5927\u3059\u308b\u306a\u304b\u3001\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u306e\u653b\u6483\u8005\u306b\u3088\u308b\u6d3b\u52d5\u306f\u4f4e\u4e0b\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5404\u7a2e\u306e\u8abf\u67fb\u306b\u3088\u308a\u5831\u544a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u8105\u5a01\u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30b9\u30c1\u30fc\u30e0Unit 42\u306f\u3001COVID-19\u306b\u4fbf\u4e57\u3057\u305f\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u3001\u7279\u306b\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u653b\u6483\u306b\u3064\u3044\u3066\u306f\u3053\u308c\u3068\u306f\u307e\u3063\u305f\u304f\u9006\u306e\u89b3\u6e2c\u3092\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u65e2\u306bUnit 42\u306f\u3001COVID-19\u306b\u4fbf\u4e57\u3057\u305f<a href=\"https:\/\/unit42.paloaltonetworks.jp\/covid19-cyber-threats\/\">\u591a\u7a2e\u591a\u69d8\u306a\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3092\u89b3\u6e2c<\/a>\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u672c\u7a3f\u3067\u306f\u30d1\u30f3\u30c7\u30df\u30c3\u30af\u306e\u9032\u884c\u4e2d\u306b\u7d44\u7e54\u304c\u76f4\u9762\u3057\u3066\u3044\u308bCOVID-19\u306b\u4fbf\u4e57\u3057\u305f\u8105\u5a01\u306e\u5168\u4f53\u50cf\u3068\u6280\u8853\u7684\u5206\u6790\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u5177\u4f53\u7684\u306b\u306f\u3001\u30ab\u30ca\u30c0\u306e\u653f\u5e9c\u7cfb\u533b\u7642\u6a5f\u95a2\u3084\u533b\u5b66\u7814\u7a76\u306e\u5927\u5b66\u3078\u306e\u653b\u6483\u3067\u89b3\u6e2c\u3055\u308c\u305f\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u4e9c\u7a2e(EDA2)\u3068\u3001\u7c73\u56fd\u306e\u9632\u885b\u7814\u7a76\u7d44\u7e54\u3084\u30c8\u30eb\u30b3\u306e\u653f\u5e9c\u6a5f\u95a2\u3001\u30c9\u30a4\u30c4\u306e\u88fd\u9020\u4f01\u696d\u3001\u97d3\u56fd\u306e\u5316\u5b66\u4f01\u696d\u3001\u65e5\u672c\u306e\u7814\u7a76\u6a5f\u95a2\u3001\u30ab\u30ca\u30c0\u306e\u533b\u7642\u7814\u7a76\u6a5f\u95a2\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u6a19\u7684\u3078\u306e\u653b\u6483\u304c\u89b3\u6e2c\u3055\u308c\u305f\u60c5\u5831\u7a83\u53d6\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4e9c\u7a2e(AgentTesla)\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p>\u672c\u7a3f\u3067\u8a00\u53ca\u3059\u308b\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u653b\u6483\u306f\u3001\u3044\u305a\u308c\u3082\u610f\u56f3\u3057\u305f\u653b\u6483\u306b\u6210\u529f\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306eWildFire\u3092\u642d\u8f09\u3057\u305f\u8105\u5a01\u9632\u5fa1\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u3001\u3053\u308c\u3089\u306e\u8105\u5a01\u306b\u95a2\u9023\u3059\u308b\u6d3b\u52d5\u3092\u691c\u51fa\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u7279\u5b9a\u6e08\u307f\u306e\u60aa\u610f\u306e\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u3084\u4fb5\u5bb3\u3055\u308c\u305f\u30c9\u30e1\u30a4\u30f3\u306b\u5bfe\u3057\u3066\u3001PAN-DB URL\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u5185\u306e\u30de\u30eb\u30a6\u30a7\u30a2\u30ab\u30c6\u30b4\u30ea\u3092\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-106469-ransomware-campaign\"><\/a>\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u30ad\u30e3\u30f3\u30da\u30fc\u30f3<\/h2>\n<h4><a id=\"post-106469-campaign-overview\"><\/a>\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u6982\u8981<\/h4>\n<p>2020\u5e743\u670824\u65e518\u664225\u5206\u304b\u30893\u670826\u65e511\u664254\u5206(\u5354\u5b9a\u4e16\u754c\u6642 UTC)\u306b\u304b\u3051\u3066\u3001\u507d\u88c5\u96fb\u5b50\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9noreply@who[.]int (\u653b\u6483\u6642\u306e\u5b9f\u969b\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f176.223.133[.]91)\u304b\u3089\u3001\u30ab\u30ca\u30c0\u653f\u5e9c\u7cfb\u533b\u7642\u6a5f\u95a2\u3068\u533b\u5b66\u5927\u5b66\u95a2\u4fc2\u8005\u6570\u540d\u306b\u5bfe\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u96fb\u5b50\u30e1\u30fc\u30eb\u304c\u8907\u6570\u9001\u4fe1\u3055\u308c\u305f\u3053\u3068\u304c\u89b3\u6e2c\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u533b\u7642\u6a5f\u95a2\u306fCOVID-19\u5bfe\u5fdc\u306b\u7a4d\u6975\u7684\u306b\u95a2\u4e0e\u3057\u3066\u304a\u308a\u3001\u5927\u5b66\u306fCOVID-19\u306e\u7814\u7a76\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3057\u305f\u3002\u89b3\u6e2c\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\u306b\u306f\u3001\u60aa\u610f\u306e\u3042\u308bRTF(\u30ea\u30c3\u30c1 \u30c6\u30ad\u30b9\u30c8 \u30d5\u30a9\u30fc\u30de\u30c3\u30c8)\u306e\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30eb\u30a2\u30fc\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u305d\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u306f\u300120200323-sitrep-63-covid-19.doc (SHA256: 62d38f19e67013ce7b2a84cb17362c77e2f13134ee3f8743cbadde818483e617)\u3067\u3057\u305f\u3002\u3053\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\u3092\u8106\u5f31\u6027\u306e\u3042\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u958b\u304f\u3068\u3001Microsoft\u5171\u6709\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e\u65e2\u77e5\u306e\u8106\u5f31\u6027(<a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2012-0158\">CVE-2012-0158<\/a>)\u3092\u60aa\u7528\u3057\u3066\u3001\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u30da\u30a4\u30ed\u30fc\u30c9\u304c\u914d\u4fe1\u3055\u308c\u308b\u3088\u3046\u306b\u4ed5\u7d44\u307e\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u3053\u3067\u8208\u5473\u6df1\u3044\u306e\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u304c\u7279\u5b9a\u306e\u65e5\u4ed8(2020\u5e743\u670823\u65e5)\u304c\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u5c55\u958b\u4e2d\u306b\u73fe\u5728\u306e\u65e5\u4ed8\u3092\u53cd\u6620\u3059\u308b\u66f4\u65b0\u304c\u884c\u308f\u308c\u306a\u304b\u3063\u305f\u3053\u3068\u3067\u3059\u3002\u30de\u30eb\u30a6\u30a7\u30a2\u306e\u4f5c\u6210\u8005\u304c\u30eb\u30a2\u30fc\u3092\u672c\u7269\u3089\u3057\u304f\u898b\u305b\u3088\u3046\u3068\u52aa\u3081\u306a\u304b\u3063\u305f\u3053\u3068\u306b\u3082\u8208\u5473\u304c\u305d\u305d\u3089\u308c\u307e\u3059\u3002\u6587\u66f8\u306e\u5148\u982d\u30da\u30fc\u30b8\u304b\u3089\u4f55\u304b\u304a\u304b\u3057\u3044\u3068\u3059\u3050\u306b\u5206\u304b\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_106472\" aria-describedby=\"caption-attachment-106472\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-1-ransomware-phishing-lure.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-106472 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-1-ransomware-phishing-lure.png\" alt=\"\u56f31:\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30eb\u30a2\u30fc\" width=\"600\" height=\"732\" \/><\/a><figcaption id=\"caption-attachment-106472\" class=\"wp-caption-text\">\u56f31:\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30eb\u30a2\u30fc<\/figcaption><\/figure>\n<table>\n<tbody>\n<tr>\n<td><strong>SHA256<\/strong><\/td>\n<td><strong>\u4ef6\u540d<\/strong><\/td>\n<td><strong>\u306a\u308a\u3059\u307e\u3057\u306e\u9001\u4fe1\u8005<\/strong><\/td>\n<td><strong>\u30d5\u30a1\u30a4\u30eb\u540d<\/strong><\/td>\n<td><strong>C2\u30c9\u30e1\u30a4\u30f3<\/strong><\/td>\n<\/tr>\n<tr>\n<td>62d38f19e67013ce7b2a84cb17362c77e2f13134ee3f8743cbadde818483e617<\/td>\n<td>Coronavirus disease<\/p>\n<p>COVID19<\/td>\n<td>noreply@who[.]int<\/td>\n<td>20200323-sitrep-63-covid-19.doc<\/td>\n<td>www.tempinfo.96[.]lt<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><em>\u88681:\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u5c5e\u6027<\/em><\/span><\/p>\n<h4><a id=\"post-106469-post-infection\"><\/a>\u611f\u67d3\u5f8c<\/h4>\n<p>\u8106\u5f31\u306a\u6587\u66f8\u8868\u793a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u958b\u304f\u3068\u3001\u60aa\u610f\u306e\u3042\u308b\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u306f\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u30d0\u30a4\u30ca\u30ea\u3092\u30c7\u30a3\u30b9\u30af\u306b\u30c9\u30ed\u30c3\u30d7\u3057\u3066\u5b9f\u884c\u3057\u307e\u3059(C:\\Users\\&lt;victim username&gt;\\AppData\\Local\\svchost.exe)\u3002\u7279\u7b46\u3059\u3079\u304d\u3053\u3068\u306f\u3001\u30c9\u30ed\u30c3\u30d7\u3055\u308c\u305f\u30d0\u30a4\u30ca\u30ea\u306b\u306f\u96a0\u3057\u5c5e\u6027\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u304a\u308a\u3001Adobe Acrobat\u306e\u30a2\u30a4\u30b3\u30f3\u304c\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<p>\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u30d0\u30a4\u30ca\u30ea\u304c\u5b9f\u884c\u3055\u308c\u308b\u3068\u3001\u30ea\u30bd\u30fc\u30b9tempinfo.96[.]lt\/wras\/RANSOM20.jpg\u3078\u306eHTTP GET\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u753b\u50cf\u304c\u88ab\u5bb3\u8005\u306b\u8868\u793a\u3055\u308c\u308b\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u611f\u67d3\u306e\u901a\u77e5\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_106474\" aria-describedby=\"caption-attachment-106474\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-2-ransomware-image-download-network-traffi.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-106474 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-2-ransomware-image-download-network-traffi.png\" alt=\"\u56f32:\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u753b\u50cf\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\" width=\"600\" height=\"468\" \/><\/a><figcaption id=\"caption-attachment-106474\" class=\"wp-caption-text\">\u56f32:\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u753b\u50cf\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af<\/figcaption><\/figure>\n<figure id=\"attachment_106476\" aria-describedby=\"caption-attachment-106476\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-3-ransomware-notification-image.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-106476 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-3-ransomware-notification-image.png\" alt=\"\u56f33:\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u901a\u77e5\u753b\u50cf\" width=\"600\" height=\"370\" \/><\/a><figcaption id=\"caption-attachment-106476\" class=\"wp-caption-text\">\u56f33:\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u901a\u77e5\u753b\u50cf<\/figcaption><\/figure>\n<p>\u3053\u306e\u753b\u50cf\u306f\u30c7\u30a3\u30b9\u30af\u306eC:\\Users\\&lt;victim username&gt;\\ransom20.jpg\u306b\u4fdd\u5b58\u3055\u308c\u3001\u305d\u308c\u4ee5\u964d\u306f\u88ab\u5bb3\u8005\u30e6\u30fc\u30b6\u30fc\u306e\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u58c1\u7d19\u306b\u8a2d\u5b9a\u3055\u308c\u307e\u3059\u3002\u653b\u6483\u6642\u3001\u30c9\u30e1\u30a4\u30f3tempinfo.96[.]lt\u306f\u3001IP\u30a2\u30c9\u30ec\u30b931.170.167[.]123\u306b\u89e3\u6c7a\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u753b\u50cf\u304c\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u308c\u308b\u3068\u3001\u88ab\u5bb3\u8005\u306e\u30e6\u30fc\u30b6\u30fc\u540d\u3068\u30db\u30b9\u30c8\u540d\u3092\u542b\u3080HTTP POST\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u30ea\u30bd\u30fc\u30b9www.tempinfo.96[.]lt\/wras\/createkeys.php\u306b\u5bfe\u3057\u3066\u4f5c\u6210\u3055\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u6ce8\u76ee\u3059\u3079\u304d\u3053\u3068\u306f\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u30db\u30b9\u30c8\u306e\u8a73\u7d30\u3092\u30de\u30eb\u30a6\u30a7\u30a2\u304c\u9001\u4fe1\u3059\u308b\u524d\u306b\u3001<strong>HTTP 100 Continue<\/strong>\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30e2\u30fc\u30c8\u30db\u30b9\u30c8\u3078\u306e\u63a5\u7d9a\u6027\u3092\u6700\u521d\u306b\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_106478\" aria-describedby=\"caption-attachment-106478\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-4-network-traffic-victim-host-detail-tran.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-106478 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-4-network-traffic-victim-host-detail-tran.png\" alt=\"\u56f34:\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3001\u88ab\u5bb3\u8005\u306e\u30db\u30b9\u30c8\u8a73\u7d30\u306e\u8ee2\u9001\" width=\"600\" height=\"118\" \/><\/a><figcaption id=\"caption-attachment-106478\" class=\"wp-caption-text\">\u56f34:\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3001\u88ab\u5bb3\u8005\u306e\u30db\u30b9\u30c8\u8a73\u7d30\u306e\u8ee2\u9001<\/figcaption><\/figure>\n<p>\u30ea\u30e2\u30fc\u30c8\u306e\u30b3\u30de\u30f3\u30c9&amp;\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb(C2)\u30b5\u30fc\u30d0\u30fc\u304c\u88ab\u5bb3\u8005\u306e\u8a73\u7d30\u3092\u6b63\u3057\u304f\u53d7\u4fe1\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u540d\/\u30db\u30b9\u30c8\u540d\u306e\u8a73\u7d30\u306b\u57fa\u3065\u304f\u30ab\u30b9\u30bf\u30e0\u9375\u306e\u4f5c\u6210\u3078\u3068\u9032\u307f\u307e\u3059\u3002\u305d\u306e\u9375\u306f\u3001\u4ee5\u964d\u306e\u51e6\u7406\u306e\u305f\u3081\u306b\u611f\u67d3\u3057\u305f\u30db\u30b9\u30c8\u306b\u8fd4\u9001\u3055\u308c\u307e\u3059\u3002C2\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u9375\u3092\u53d7\u3051\u53d6\u308b\u3068\u3001\u611f\u67d3\u3057\u305f\u30db\u30b9\u30c8\u306f\u30ea\u30bd\u30fc\u30b9www.tempinfo.96[.]lt\/wras\/savekey.php\u3078\u306eHTTP POST\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u958b\u59cb\u3057\u307e\u3059\u3002\u3053\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u306f\u3001\u30db\u30b9\u30c8\u540d\u3068\u305d\u308c\u81ea\u4f53\u304cAES\u6697\u53f7\u5316\u3055\u308c\u305f\u30db\u30b9\u30c8\u306e\u4e3b\u8981\u306a\u5fa9\u53f7\u9375\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_106480\" aria-describedby=\"caption-attachment-106480\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-5-network-traffic-ransomware-key-exchange.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-106480 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-5-network-traffic-ransomware-key-exchange.png\" alt=\"\u56f35:\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3001\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u9375\u4ea4\u63db\" width=\"600\" height=\"348\" \/><\/a><figcaption id=\"caption-attachment-106480\" class=\"wp-caption-text\">\u56f35:\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3001\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u9375\u4ea4\u63db<\/figcaption><\/figure>\n<p>\u3053\u306e\u6642\u70b9\u3067\u88ab\u5bb3\u8005\u306e\u30d5\u30a1\u30a4\u30eb\u6697\u53f7\u5316\u304c\u958b\u59cb\u3055\u308c\u307e\u3059\u3002\u3053\u3053\u3067\u8ff0\u3079\u3066\u3044\u308b\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u30d0\u30a4\u30ca\u30ea\u306f\u3001\u4ee5\u4e0b\u306e\u30d5\u30a1\u30a4\u30eb\u62e1\u5f35\u5b50\u3092\u6301\u3064\u30d5\u30a1\u30a4\u30eb\u3092\u6697\u53f7\u5316\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"font-family: 'courier new', courier, monospace;\">\".abw\", \".aww\", \".chm\", \".dbx\", \".djvu\", \".doc\", \".docm\", \".docx\", \".dot\", \".dotm\", \".dotx\", \".epub\", \".gp4\", \".ind\", \".indd\", \".key\", \".keynote\", \".mht\", \".mpp\", \".odf\", \".ods\", \".odt\", \".ott\", \".oxps\", \".pages\", \".pdf\", \".pmd\", \".pot\", \".potx\", \".pps\", \".ppsx\", \".ppt\", \".pptm\", \".pptx\", \".prn\", \".prproj\", \".ps\", \".pub\", \".pwi\", \".rtf\", \".sdd\", \".sdw\", \".shs\", \".snp\", \".sxw\", \".tpl\", \".vsd\", \".wpd\", \".wps\", \".wri\", \".xps\", \".bak\", \".bbb\", \".bkf\", \".bkp\", \".dbk\", \".gho\", \".iso\", \".json\", \".mdbackup\", \".nba\", \".nbf\", \".nco\", \".nrg\", \".old\", \".rar\", \".sbf\", \".sbu\", \".spb\", \".spba\", \".tib\", \".wbcat\", \".zip\", \"7z\", \".dll\", \".dbf\"<\/span><\/p>\n<p>\u305d\u306e\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u304b\u306a\u308a\u5358\u7d14\u3067\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u6697\u53f7\u5316\u3055\u308c\u308b\u3068\u3001.locked20\u306e\u62e1\u5f35\u5b50\u3067\u30d5\u30a1\u30a4\u30eb\u540d\u304c\u5909\u66f4\u3055\u308c\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_106482\" aria-describedby=\"caption-attachment-106482\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-6-ransomware-encryption-source-code.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-106482 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-6-ransomware-encryption-source-code.png\" alt=\"\u56f36:\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u6697\u53f7\u5316\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\" width=\"600\" height=\"208\" \/><\/a><figcaption id=\"caption-attachment-106482\" class=\"wp-caption-text\">\u56f36:\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u6697\u53f7\u5316\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/figcaption><\/figure>\n<p>\u3055\u3089\u306b\u3001\u3053\u306e\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u30d0\u30a4\u30ca\u30ea\u306b\u306f\u5927\u304d\u306a\u5236\u7d04\u304c\u8ab2\u305b\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u88ab\u5bb3\u8005\u306e\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306b\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u3068\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u307f\u3092\u6697\u53f7\u5316\u3059\u308b\u3088\u3046\u306b\u30cf\u30fc\u30c9\u30b3\u30fc\u30c9\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n<figure id=\"attachment_106484\" aria-describedby=\"caption-attachment-106484\" style=\"width: 601px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-7-ransomware-encryption-initiation-source.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-106484 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-7-ransomware-encryption-initiation-source.png\" alt=\"\u56f37:\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u6697\u53f7\u5316\u3092\u958b\u59cb\u3059\u308b\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\" width=\"601\" height=\"238\" \/><\/a><figcaption id=\"caption-attachment-106484\" class=\"wp-caption-text\">\u56f37:\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u6697\u53f7\u5316\u3092\u958b\u59cb\u3059\u308b\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/figcaption><\/figure>\n<h4>\u8105\u5a01\u306e\u7279\u5b9a<\/h4>\n<p>\u30d0\u30a4\u30ca\u30ea\u306e\u30b3\u30fc\u30c9\u69cb\u9020\u3084\u30db\u30b9\u30c8\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u57fa\u3065\u304f\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u52d5\u4f5c\u304b\u3089\u3001\u3053\u306e\u653b\u6483\u306b\u4f7f\u7528\u3055\u308c\u305f\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u306e\u4e9c\u7a2e\u304cEDA2\u3067\u3042\u308b\u3053\u3068\u3092Unit 42\u306f\u7a81\u304d\u6b62\u3081\u307e\u3057\u305f\u3002EDA2\u306f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u4e9c\u7a2e\u3067\u3001\u3088\u308a\u5927\u898f\u6a21\u306a\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u3067\u3042\u308bHiddenTear\u3068\u306f\u5b50\u3068\u89aa\u306e\u95a2\u4fc2\u306b\u3042\u305f\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u4e9c\u7a2e\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/www.securitynewspaper.com\/2016\/01\/25\/eda2-open-source-ransomware-code-used-real-life-attacks\/\">\u3053\u3061\u3089<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3><a id=\"post-106469-agenttesla-campaign\"><\/a>AgentTesla\u30ad\u30e3\u30f3\u30da\u30fc\u30f3<\/h3>\n<p>\u30de\u30eb\u30b9\u30d1\u30e0\u306e\u653b\u6483\u8005\u3082\u307e\u305f\u3001\u9032\u884c\u4e2d\u306eCOVID-19\u306e\u62e1\u5927\u306b\u3088\u308b\u5371\u6a5f\u306b\u4e57\u3058\u3066\u3044\u308b\u3068\u77e5\u3063\u3066\u3082\u9a5a\u304f\u306b\u306f\u3042\u305f\u308a\u307e\u305b\u3093\u3002\u3053\u3046\u3057\u305f\u653b\u6483\u8005\u305f\u3061\u306f\u88ab\u5bb3\u8005\u3092\u8a98\u3046\u30eb\u30a2\u30fc\u3068\u3057\u3066COVID-19\u3092\u5229\u7528\u3057\u3001\u60aa\u610f\u306e\u3042\u308b\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u3092\u30af\u30ea\u30c3\u30af\u3055\u305b\u3066\u30b7\u30b9\u30c6\u30e0\u3092\u611f\u67d3\u3055\u305b\u3088\u3046\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u56f38\u306f\u3001COVID-19\u3092\u30eb\u30a2\u30fc\u306b\u4f7f\u7528\u3057\u305f\u30de\u30eb\u30b9\u30d1\u30e0\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u4f8b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u653b\u6483\u3067\u306f\u65e5\u672c\u3082\u6a19\u7684\u306b\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_106486\" aria-describedby=\"caption-attachment-106486\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-8-malspam-email-with-covid-19-lure-deliver.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-106486 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-8-malspam-email-with-covid-19-lure-deliver.png\" alt=\"\u56f38: AgentTesla\u3092\u914d\u4fe1\u3059\u308bCOVID-19\u306e\u30eb\u30a2\u30fc\u3092\u4f7f\u7528\u3057\u305f\u30de\u30eb\u30b9\u30d1\u30e0\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\uff08\u300cCOVID-19 Supplier Notice\uff08COVID-19\uff1a\u4ed5\u5165\u696d\u8005\u3078\u306e\u304a\u77e5\u3089\u305b\uff09\u300d\u3068\u3044\u3046\u984c\u540d\u304c\u3064\u3044\u3066\u3044\u308b\uff09\" width=\"600\" height=\"408\" \/><\/a><figcaption id=\"caption-attachment-106486\" class=\"wp-caption-text\">\u56f38: AgentTesla\u3092\u914d\u4fe1\u3059\u308bCOVID-19\u306e\u30eb\u30a2\u30fc\u3092\u4f7f\u7528\u3057\u305f\u30de\u30eb\u30b9\u30d1\u30e0\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\uff08\u300cCOVID-19 Supplier Notice\uff08COVID-19\uff1a\u4ed5\u5165\u696d\u8005\u3078\u306e\u304a\u77e5\u3089\u305b\uff09\u300d\u3068\u3044\u3046\u984c\u540d\u304c\u3064\u3044\u3066\u3044\u308b\uff09<\/figcaption><\/figure>\n<table>\n<tbody>\n<tr>\n<td><strong>SHA256<\/strong><\/td>\n<td><strong>\u4ef6\u540d<\/strong><\/td>\n<td><strong>\u9001\u4fe1\u8005<\/strong><\/td>\n<td><strong>\u30d5\u30a1\u30a4\u30eb\u540d<\/strong><\/td>\n<td><strong>\u6700\u521d\u306eC2\u30c9\u30e1\u30a4\u30f3<\/strong><\/td>\n<\/tr>\n<tr>\n<td>fd4b4799079cdd970eec3884bef4771624a55297086041fd4e7fcefb1a86d08e<\/p>\n<p>67b44bbf3f69e170f1e8ddea8d992dc83cfd351f06a28338b37dc16ad74826ef<\/p>\n<p>14f6b1979ccc5d29c7b143009472d1edcfcdf0025bc2fa84ee445f17f091dd9a<\/p>\n<p>590f84008dfd489fbf98d83e281fbb38c40d890169a9dbd482ff1f184cfb0970<\/td>\n<td>COVID-19 Supplier Notice<\/td>\n<td>shipping@liquidroam.com<\/td>\n<td>COVID-19 Supplier Notice\/COVID-19 Supplier Notice.jpg.exe<\/p>\n<p>Corporate advisory CoronaVirus (Covid-19)\/Corporate advisory Co<\/td>\n<td>ftp[.]lookmegarment[.]com<\/p>\n<p>157[.]245.78[.]47<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><span style=\"font-size: 10pt;\"><em>\u88682: AgentTesla\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u5c5e\u6027<\/em><\/span><\/p>\n<p>\u56f39\u306f\u3001\u96fb\u5b50\u30e1\u30fc\u30ebshipping@liquidroam[.]com\u3092\u4f7f\u7528\u3057\u3066\u3001\u533b\u7642\u3001\u533b\u85ac\u54c1\u3001\u653f\u5e9c\u6a5f\u95a2\u306a\u3069\u306e\u591a\u6570\u306e\u5206\u91ce\u306b\u308f\u305f\u308b\u5f0a\u793e\u306e\u304a\u5ba2\u69d8\u306b\u30de\u30eb\u30b9\u30d1\u30e0\u306e\u96fb\u5b50\u30e1\u30fc\u30eb\u304c\u9001\u3089\u308c\u305f\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u6d41\u308c\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u6dfb\u4ed8\u30d5\u30a1\u30a4\u30eb\u306e\u5206\u6790\u3092\u3055\u3089\u306b\u9032\u3081\u305f\u7d50\u679c\u3001\u3053\u308c\u3089\u306e\u30b5\u30f3\u30d7\u30eb\u306fAgentTesla\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u306e\u4e9c\u7a2e\u3092\u914d\u4fe1\u3059\u308b\u30c9\u30ed\u30c3\u30d1\u30fc\u3067\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>AgentTesla\u306f\u3001<a href=\"https:\/\/krebsonsecurity.com\/2018\/10\/who-is-agent-tesla\/\">2014<\/a>\u5e74\u304b\u3089\u5b58\u5728\u3057\u3066\u3044\u308b\u60c5\u5831\u7a83\u53d6\u30de\u30eb\u30a6\u30a7\u30a2\u3067\u3059\u3002AgentTesla\u306f\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u304c\u5e83\u304f\u5229\u7528\u3059\u308b\u591a\u304f\u306e\u30d5\u30a9\u30fc\u30e9\u30e0\u3067\u8ca9\u58f2\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u305d\u306e\u4f7f\u7528\u6570\u306f\u3053\u306e\u6570\u5e74\u9593\u3067\u5927\u5e45\u306b\u5897\u3048\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u60aa\u540d\u9ad8\u3044BEC\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3067\u3042\u308bSilverTerrier\u306e\u653b\u6483\u8005\u304c\u9078\u629e\u3059\u308b\u3001\u30de\u30eb\u30a6\u30a7\u30a2\u30d5\u30a1\u30df\u30ea\u306e\u6709\u529b\u5019\u88dc\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002SilverTerrier\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6700\u8fd1\u306eUnit 42\u306e\u66f4\u65b0\u60c5\u5831\u3092<a href=\"https:\/\/unit42.paloaltonetworks.com\/silverterrier-2019-update\/\">\u3053\u3061\u3089<\/a>\u3067\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_106488\" aria-describedby=\"caption-attachment-106488\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-9-maltego-chart-of-the-agenttesla-campaign.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-106488 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-9-maltego-chart-of-the-agenttesla-campaign.png\" alt=\"\u56f39: AgentTesla\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306eMaltego\u30c1\u30e3\u30fc\u30c8\" width=\"600\" height=\"329\" \/><\/a><figcaption id=\"caption-attachment-106488\" class=\"wp-caption-text\">\u56f39: AgentTesla\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306eMaltego\u30c1\u30e3\u30fc\u30c8<\/figcaption><\/figure>\n<p>\u95a2\u9023\u30b5\u30f3\u30d7\u30eb\u306f\u3059\u3079\u3066\u3001\u30c7\u30fc\u30bf\u6f0f\u51fa\u306e\u3055\u3044\u3001\u540c\u4e00\u306eC2\u30c9\u30e1\u30a4\u30f3(ftp[.]lookmegarment[.]com)\u306b\u63a5\u7d9a\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u79c1\u305f\u3061\u306e\u5206\u6790\u304b\u3089\u306f\u3001C2\u3068\u306eFTP\u7d4c\u7531\u306e\u901a\u4fe1\u306b\u4f7f\u7528\u3055\u308c\u308b\u8cc7\u683c\u60c5\u5831\u306fAgentTesla\u306e\u30b5\u30f3\u30d7\u30eb\u306b\u30cf\u30fc\u30c9\u30b3\u30fc\u30c9\u3055\u308c\u3066\u3044\u305f\u3053\u3068\u3082\u5206\u304b\u308a\u307e\u3057\u305f\u3002\u56f310\u306fFTP\u3092\u4ecb\u3057\u305f\u30c7\u30fc\u30bf\u6f0f\u51fa\u306e\u69d8\u5b50\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001C2\u304cPure-FTPd\u30b5\u30fc\u30d0\u30fc\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<figure id=\"attachment_106490\" aria-describedby=\"caption-attachment-106490\" style=\"width: 601px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-11-network-traffic-exfiltration.png\" rel=\"wpdevart_lightbox\"><img  class=\"wp-image-106490 lozad\"  data-src=\"https:\/\/unit42.paloaltonetworks.com\/wp-content\/uploads\/2020\/04\/figure-11-network-traffic-exfiltration.png\" alt=\"\u56f310:\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3001\u30c7\u30fc\u30bf\u6f0f\u51fa\" width=\"601\" height=\"310\" \/><\/a><figcaption id=\"caption-attachment-106490\" class=\"wp-caption-text\">\u56f310:\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3001\u30c7\u30fc\u30bf\u6f0f\u51fa<\/figcaption><\/figure>\n<p>\u306a\u304a\u3001\u96fb\u5b50\u30e1\u30fc\u30eb\u9001\u4fe1\u8005\u30c9\u30e1\u30a4\u30f3\u306eliquidroam[.]com\u3068C2\u30c9\u30e1\u30a4\u30f3\u306elookmegarment[.]com\u306f\u305d\u308c\u305e\u308c\u96fb\u52d5\u30b9\u30b1\u30fc\u30c8\u30dc\u30fc\u30c9\u3068\u8863\u6599\u54c1\u306e\u5e03\u5730\u3092\u8ca9\u58f2\u3059\u308b\u5408\u6cd5\u4f01\u696d\u306e\u30c9\u30e1\u30a4\u30f3\u3067\u3042\u308b\u3053\u3068\u3082\u77e5\u3063\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c9\u30e1\u30a4\u30f3\u306f\u4fb5\u5bb3\u3055\u308c\u3001\u305d\u306e\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306f\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u8005\u306b\u3088\u308b\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306e\u62e1\u5927\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3068\u63a8\u6e2c\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2><a id=\"post-106469-conclusion\"><\/a>\u7d50\u8ad6<\/h2>\n<p>\u672c\u7a3f\u306f\u3001COVID-19\u306b\u5bfe\u3057\u3066\u7dca\u6025\u304b\u3064\u4e0d\u53ef\u6b20\u306a\u5bfe\u5fdc\u306b\u53d6\u308a\u7d44\u3080\u591a\u304f\u306e\u91cd\u8981\u696d\u754c\u304c\u76f4\u9762\u3057\u3066\u3044\u308b\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u4e8b\u4f8b\u306b\u3064\u3044\u3066\u3001\u7406\u89e3\u3092\u6df1\u3081\u3066\u3044\u305f\u3060\u304f\u3053\u3068\u3092\u76ee\u7684\u306b\u57f7\u7b46\u3057\u3066\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u4e8b\u4f8b\u304b\u3089\u306f\u3001\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u304b\u3089\u5229\u76ca\u3092\u5f97\u308b\u305f\u3081\u306a\u3089\u3001\u653b\u6483\u8005\u306e\u6d3b\u52d5\u306b\u9060\u616e\u3084\u4f1a\u91c8\u306f\u306a\u3044\u3001\u3068\u3044\u3046\u3053\u3068\u304c\u660e\u3089\u304b\u3067\u3059\u3002\u611f\u67d3\u62e1\u5927\u306e\u6700\u524d\u7dda\u306b\u7acb\u3061\u3001\u305d\u306e\u5bfe\u5fdc\u306b\u65e5\u3005\u8ffd\u308f\u308c\u308b\u533b\u7642\u7cfb\u7d44\u7e54\u3092\u3082\u6a19\u7684\u3068\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u672c\u7a3f\u3067\u306f2\u3064\u306e\u653b\u6483\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u306b\u91cd\u70b9\u3092\u7f6e\u304d\u307e\u3057\u305f\u304c\u3001\u79c1\u305f\u3061Unit 42\u306f\u3001COVID-19\u306b\u4fbf\u4e57\u3057\u305f\u30ad\u30e3\u30f3\u30da\u30fc\u30f3\u3092\u3053\u308c\u4ee5\u5916\u306b\u3082\u591a\u6570\u8ffd\u8de1\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u3046\u3057\u305f\u653b\u6483\u306f\u3001\u4eca\u5f8c\u6570\u9031\u9593\u306b\u308f\u305f\u3063\u3066\u7d9a\u3044\u3066\u3044\u304f\u3082\u306e\u3068\u601d\u308f\u308c\u307e\u3059\u3002Unit 42\u306f\u3001COVID-19\u306e\u611f\u67d3\u62e1\u5927\u3092\u5229\u7528\u3057\u3066\u4e0d\u6b63\u306a\u5229\u76ca\u3092\u5f97\u308b\u30b5\u30a4\u30d0\u30fc\u72af\u7f6a\u306b\u3064\u3044\u3066\u3001\u65b0\u305f\u306a\u767a\u898b\u3084\u89b3\u5bdf\u7d50\u679c\u3092\u5f15\u304d\u7d9a\u304d\u63d0\u4f9b\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>\u30d1\u30ed\u30a2\u30eb\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9\u306e\u304a\u5ba2\u69d8\u306f\u3001\u4ee5\u4e0b\u306e\u65b9\u6cd5\u3067\u3001\u672c\u7a3f\u306b\u8ff0\u3079\u305f\u8105\u5a01\u304b\u3089\u4fdd\u8b77\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u8105\u5a01ID 1114703\u30012878137\u30012855181\u30012850820\u30012811429\u30012888946\u304c\u914d\u4fe1\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>WildFire\u306f\u3053\u308c\u3089\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u30de\u30eb\u30a6\u30a7\u30a2\u3068\u3057\u3066\u6b63\u3057\u304f\u5206\u985e\u3057\u307e\u3059\u3002<\/li>\n<li>DNS Security\u306fC2\u30c9\u30e1\u30a4\u30f3\u3092\u60aa\u610f\u306e\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u3068\u3057\u3066\u5206\u985e\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3><a id=\"post-106469-iocs\"><\/a>IOC<\/h3>\n<h4><a id=\"post-106469-ransomware-campaign-1\"><\/a>\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u30ad\u30e3\u30f3\u30da\u30fc\u30f3:<\/h4>\n<h5>RTF \u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u30eb\u30a2\u30fc:<\/h5>\n<ul>\n<li>62d38f19e67013ce7b2a84cb17362c77e2f13134ee3f8743cbadde818483e617<\/li>\n<\/ul>\n<h5>\u305d\u306e\u4ed6\u95a2\u9023RTF\u30eb\u30a2\u30fc(\u767a\u4fe1\u5143\u4e0d\u660e):<\/h5>\n<ul>\n<li>42f04025460e5a6fc16d6182ee264d103d9bcd03fffd782c10f0b2e82b84f768<\/li>\n<\/ul>\n<h5>\u30e9\u30f3\u30b5\u30e0\u30a6\u30a7\u30a2\u30d0\u30a4\u30ca\u30ea:<\/h5>\n<ul>\n<li>2779863a173ff975148cb3156ee593cb5719a0ab238ea7c9e0b0ca3b5a4a9326<\/li>\n<\/ul>\n<h5>\u30e1\u30fc\u30eb\u7528\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3:<\/h5>\n<ul>\n<li>176.223.133[.]91<\/li>\n<\/ul>\n<h5>C2:<\/h5>\n<ul>\n<li>tempinfo.96[.]lt<\/li>\n<li>31.170.167[.]123<\/li>\n<\/ul>\n<h4><a 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