{"id":31935,"date":"2019-11-21T01:30:00","date_gmt":"2019-11-21T01:30:00","guid":{"rendered":"http:\/\/70ebc51a-fbb0-4cb4-a507-a0d95f9fe838"},"modified":"2019-11-21T01:30:00","modified_gmt":"2019-11-21T01:30:00","slug":"microsoft-rebukes-rumors-that-microsoft-teams-is-being-used-in-ransomware-attacks","status":"publish","type":"post","link":"https:\/\/www.threatshub.org\/blog\/microsoft-rebukes-rumors-that-microsoft-teams-is-being-used-in-ransomware-attacks\/","title":{"rendered":"Microsoft rebukes rumors that Microsoft Teams is being used in ransomware attacks"},"content":{"rendered":"<p><span class=\"img aspect-set\"><img decoding=\"async\" src=\"https:\/\/zdnet2.cbsistatic.com\/hub\/i\/2019\/09\/20\/71154639-c01a-4477-87cb-bcbf979eb012\/14015c28d4cf60f175d52523ea6656a3\/istock-1061357610.jpg\" class alt=\"Internet security and data protection concept, blockchain.\"><\/span><span class=\"credit\">Getty Images\/iStockphoto<\/span><\/p>\n<p>In a statement published today, Microsoft has rebuffed rumors that its Microsoft Teams communication and collaboration platform is being used by cyber-criminal gangs to plant ransomware on company networks.<\/p>\n<p>Like all rumors, their origin is unknown, but they began circulating online in early November after several companies across Spain were infected with the DoppelPaymer ransomware.<\/p>\n<p>&#8220;Microsoft has been investigating recent attacks by malicious actors using the Dopplepaymer ransomware,&#8221; <a href=\"https:\/\/msrc-blog.microsoft.com\/2019\/11\/20\/customer-guidance-for-the-dopplepaymer-ransomware\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-component=\"externalLink\">said Simon Pope<\/a>, Director of Incident Response at the Microsoft Security Response Center (MSRC).<\/p>\n<p>&#8220;There is misleading information circulating about Microsoft Teams, along with references to RDP (BlueKeep), as ways in which this malware spreads,&#8221; Pope said.<\/p>\n<p>&#8220;Our security research teams have investigated and found no evidence to support these claims,&#8221; the Microsoft exec said. &#8220;In our investigations we found that the malware relies on remote human operators using existing Domain Admin credentials to spread across an enterprise network.&#8221;<\/p>\n<p>Besides rejecting rumors that somehow Microsoft Teams were involved, Pope also addressed a second set of rumors that has also been going around on social media.<\/p>\n<p>These second rumors claimed that cyber-criminals might have used the BlueKeep RDP vulnerability to install the DoppelPaymer ransomware, also in reference to the same attacks detected across Spain.<\/p>\n<div class=\"twitterContainer\" readability=\"8.0308441558442\">\n<blockquote class=\"twitter-tweet\" readability=\"9.4480519480519\">\n<p lang=\"en\" dir=\"ltr\">Also, the Microsoft Teams update thing is being repeated by security companies is sourced from a single tweet speculating about it. It\u2019s not a thing, it was never a thing, it\u2019s not a vector in ransomware. The unsexy truth is attackers get domain admin.<\/p>\n<p>\u2014 Kevin Beaumont (@GossiTheDog) <a href=\"https:\/\/twitter.com\/GossiTheDog\/status\/1197308096462442496?ref_src=twsrc%5Etfw\" rel=\"noopener noreferrer\" target=\"_blank\" data-component=\"externalLink\">November 21, 2019<\/a><\/p><\/blockquote>\n<\/div>\n<section class=\"sharethrough-top\" data-component=\"medusaContentRecommendation\" data-medusa-content-recommendation-options=\"{&quot;promo&quot;:&quot;promo_zd_recommendation_sharethrough_top_in_article_desktop&quot;,&quot;spot&quot;:&quot;dfp-in-article&quot;}\">\n<\/section>\n<p>This is a first-of-its-kind move from the company. Microsoft has never until today issued such a stern statement to correct (such blatantly false) online rumors.<\/p>\n<p>In hindsight, both rumors should have never caught on as they did, with some being repeated in some news media articles, and could have been easily disproved.<\/p>\n<p>First, the DoppelPaymer ransomware is <a href=\"https:\/\/www.crowdstrike.com\/blog\/doppelpaymer-ransomware-and-dridex-2\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\" data-component=\"externalLink\">a version of the BitPaymer ransomware<\/a>, and, historically, has been exclusively distributed via the Dridex botnet or the Emotet botnets (or both).<\/p>\n<p>Computers infected with either the Dridex or Emotet malware are in some cases used to provide ransomware gangs with manual access to companies&#8217; internal networks. Here, as Pope explained above, attackers extract credentials for the company&#8217;s internal network to spread laterally to other systems and then install DoppelPaymer on as many systems as they can.<\/p>\n<p>Second, all the attacks were the BlueKeep vulnerability was deployed had the end goal of installing a cryptocurrency miner, something that was made clear by the two researchers who spotted and investigated the initial BlueKeep attacks [<a href=\"https:\/\/doublepulsar.com\/bluekeep-exploitation-activity-seen-in-the-wild-bd6ee6e599a6\" target=\"_blank\" rel=\"noopener noreferrer nofollow\" data-component=\"externalLink\">1<\/a>, <a href=\"https:\/\/www.kryptoslogic.com\/blog\/2019\/11\/bluekeep-cve-2019-0708-exploitation-spotted-in-the-wild\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\" data-component=\"externalLink\">2<\/a>], and <a href=\"https:\/\/www.microsoft.com\/security\/blog\/2019\/11\/07\/the-new-cve-2019-0708-rdp-exploit-attacks-explained\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-component=\"externalLink\">even Microsoft itself<\/a>.<\/p>\n<p>There has yet to be a publicly documented case where BlueKeep has been used to install ransomware.<\/p>\n<p>As security researcher Kevin Beaumont and Rapid7 Chief Data Scientist Bob Rudis have iterated on many occasions, most of the malicious RDP traffic today is RDP brute-force attacks, and not BlueKeep-related exploitation traffic.<\/p>\n<p> READ MORE <a href=\"https:\/\/www.zdnet.com\/article\/microsoft-rebukes-rumors-that-microsoft-teams-is-being-used-in-ransomware-attacks\/#ftag=RSSbaffb68\">HERE<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft also knocks down rumor that hackers are using the BlueKeep exploit to install the DoppelPaymer ransomware.<br \/>\nREAD MORE HERE&#8230;<\/p>\n","protected":false},"author":2,"featured_media":31936,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_layout":"default_layout","footnotes":""},"categories":[62],"tags":[],"class_list":["post-31935","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zdnet-security"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Microsoft rebukes rumors that Microsoft Teams is being used in ransomware attacks 2026 | ThreatsHub Cybersecurity News<\/title>\n<meta name=\"description\" content=\"ThreatsHub Cybersecurity News | ThreatsHub.org | Cloud Security &amp; Cyber Threats Analysis Hub. 100% Free OSINT Threat Intelligent and Cybersecurity News.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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