{"id":5490,"date":"2025-07-20T10:03:29","date_gmt":"2025-07-20T10:03:29","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2025\/07\/20\/chinese-threat-actors-using-2800-malicious-domains-to-deliver-windows-specific-malware\/"},"modified":"2025-07-20T10:03:29","modified_gmt":"2025-07-20T10:03:29","slug":"chinese-threat-actors-using-2800-malicious-domains-to-deliver-windows-specific-malware","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2025\/07\/20\/chinese-threat-actors-using-2800-malicious-domains-to-deliver-windows-specific-malware\/","title":{"rendered":"Chinese Threat Actors Using 2,800 Malicious Domains to Deliver Windows-Specific Malware"},"content":{"rendered":"<p>    Chinese Threat Actors Using 2,800 Malicious Domains to Deliver Windows-Specific Malware<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>\n<p>A sophisticated Chinese threat actor campaign has emerged as one of the most persistent malware distribution operations targeting Chinese-speaking communities worldwide.<\/p>\n<p>Since June 2023, this ongoing campaign has established an extensive infrastructure comprising more than 2,800 malicious domains specifically designed to deliver Windows-targeted malware to individuals and entities both within China and internationally.<\/p>\n<p>The threat actors operate with remarkable consistency during Chinese business hours, employing a multi-faceted approach that leverages fake application download sites, deceptive software update prompts, and <a href=\"https:\/\/cybersecuritynews.com\/defend-against-phishing-kit-attacks\/\" target=\"_blank\" rel=\"noreferrer noopener\">spoofed login<\/a> pages for popular services.<\/p>\n<p>Their targets include users of marketing applications, business sales platforms, and cryptocurrency-related services, demonstrating a clear focus on financially motivated cybercrime and <a href=\"https:\/\/cybersecuritynews.com\/credential-theft-risks\/\" target=\"_blank\" rel=\"noreferrer noopener\">credential theft<\/a> operations.<\/p>\n<p>The campaign\u2019s scope and persistence have drawn significant attention from security researchers.<\/p>\n<p>DomainTools analysts <a href=\"https:\/\/dti.domaintools.com\/chinese-malware-delivery-domains-part-iii\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">identified<\/a> that as of June 2025, 266 domains from over 850 created since December 2024 remained actively distributing malware, highlighting the operation\u2019s sustained infrastructure and continuous evolution.<\/p>\n<p>Recent operational changes indicate the threat actors are adapting to defensive measures by implementing anti-automation code, reducing reliance on tracking services like Baidu and Facebook, and distributing their infrastructure across more servers to avoid detection.<\/p>\n<p>These modifications suggest a mature understanding of cybersecurity countermeasures and a commitment to maintaining operational effectiveness.<\/p>\n<h2 class=\"wp-block-heading\"><strong>Multi-Stage Infection Mechanism<\/strong><\/h2>\n<p>The malware delivery process demonstrates sophisticated technical implementation through a multi-stage infection chain.<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEgbueqHoUzkVDFNvRK2uJte4eZzOTP2zVG9C3FP_HIJJWxHKHCmrGe4TTg_wOcftzp3-flwpqY593YTEBMFJsBYbML_oLKjRK8taocf99OWWT83M2YXorAW8lasCH-_Wiwout2bP7qI9Kfsktf2o90ZBU-JNbcCzJLWTm1dJzKezqnP5-LaVQMzJn4-Xs8\/s16000\/Fake%2520Gmail%2520Login%2520%28Source%2520-%2520Domaintools%29.webp?ssl=1\" alt=\"\"><figcaption class=\"wp-element-caption\">Fake Gmail Login (Source \u2013 Domaintools)<\/figcaption><\/figure>\n<\/div>\n<p>Analysis of the domain <code>googeyxvot[.]top<\/code> reveals the actors\u2019 use of JavaScript <a href=\"https:\/\/cybersecuritynews.com\/obfuscation-techniques-to-evade-anti-virus-detection\/\" target=\"_blank\" rel=\"noreferrer noopener\">obfuscation<\/a> to conceal download URLs and trigger fake browser compatibility errors that prompt malicious updates.<\/p>\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/blogger.googleusercontent.com\/img\/b\/R29vZ2xl\/AVvXsEhq6FTI5lAipUswnJxsHnxefCBjoCvnFr0MZXTRJrIudV7HNKX1DNQOnIkHSg-qLnsuz06VglcL-riFQI_ZP89UI8n3XHEL04MQorzP8uRJaiQNQLMORg6ldMe2v33WR-mrtLcXG1mY9aotjNGIn5B3oxoOTYwdsEGsywR-D5meeyVdRNVwTqbMKmYTBDQ\/s16000\/Multiple%2520JavaScript%2520files%2520are%2520employed%2520to%2520obfuscate%2520the%2520download%2520URL%2520%28Source%2520-%2520Domaintools%29.webp?ssl=1\" alt=\"\"><figcaption class=\"wp-element-caption\">Multiple JavaScript files are employed to obfuscate the download URL (Source \u2013 Domaintools)<\/figcaption><\/figure>\n<p>When users interact with these deceptive sites, they receive a ZIP file containing an MSI installer.<\/p>\n<p>The file <code>flashcenter_pl_xr_rb_165892.19.zip<\/code> (SHA256: 7705ac81e004546b7dacf47531b830e31d3113e217adeef1f8dd6ea6f4b8e59b) contains the executable <code>svchost.13.exe<\/code>, which functions as a downloader component.<\/p>\n<p>This downloader retrieves encrypted payloads from command-and-control servers, specifically from URLs like <code>https:\/\/ffsup-s42.oduuu[.]com\/uploads%2F4398%2F2025%2F06%2F617.txt<\/code>.<\/p>\n<p>The final payload employs <a href=\"https:\/\/cybersecuritynews.com\/powerful-ddos-malware-attack\/\" target=\"_blank\" rel=\"noreferrer noopener\">XOR encryption<\/a> with the key <code>0x25<\/code> to decode and execute the embedded PE file, demonstrating the campaign\u2019s technical sophistication in evading detection while maintaining operational simplicity for widespread deployment across their extensive domain infrastructure.<\/p>\n<p class=\"has-text-align-center has-background\" style=\"background:linear-gradient(180deg,rgb(238,238,238) 91%,rgb(169,184,195) 100%)\"><strong>Boost detection, reduce alert fatigue, accelerate response; all with an interactive sandbox built for security teams -&gt;\u00a0<a href=\"https:\/\/any.run\/demo?utm_source=csn&amp;utm_medium=article&amp;utm_campaign=top3_ciso_challenges&amp;utm_content=demo_1&amp;utm_term=160725\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Try ANY.RUN Now<\/a><\/strong><\/p>\n<p>The post <a href=\"https:\/\/cybersecuritynews.com\/chinese-threat-actors-using-2800-malicious-domains-to-deliver-windows-specific-malware\/\">Chinese Threat Actors Using 2,800 Malicious Domains to Deliver Windows-Specific Malware<\/a> appeared first on <a href=\"https:\/\/cybersecuritynews.com\/\">Cyber Security News<\/a>.<\/p>\n<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><br \/>\n    Tushar Subhra Dutta<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/cybersecuritynews.com\/chinese-threat-actors-using-2800-malicious-domains-to-deliver-windows-specific-malware\/\">Go to cyber-security-news<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Chinese Threat Actors Using 2,800 Malicious Domains to Deliver Windows-Specific Malware A sophisticated Chinese threat actor campaign has emerged as one of the most persistent malware distribution operations targeting Chinese-speaking communities worldwide. Since June 2023, this ongoing campaign has established an extensive infrastructure comprising more than 2,800 malicious domains specifically designed to deliver Windows-targeted malware [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[129,63,649],"tags":[130],"class_list":["post-5490","post","type-post","status-publish","format-standard","hentry","category-cyber-security","category-cyber-security-news","category-threats","tag-cyber-security-news"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/5490"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=5490"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/5490\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=5490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=5490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=5490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}