RomCom Backdoor Attacks Use Zero-Day Exploits in Mozilla and Windows (CVE-2024-9680 & CVE-2024-49039

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Aspect Details
Threat Actors RomCom, suspected ties to Russia, also known as Tropical Scorpius, Storm-0978, or UNC2596.
Campaign Overview Exploited zero-day vulnerabilities (CVE-2024-9680 & CVE-2024-49039) to deploy RomCom backdoor via zero-click exploits.
Target Regions (Or Victims) Primarily Europe and North America, with up to 250 affected targets between October 10 – November 4, 2024.
Methodology Fake domains, zero-click exploits, privilege escalation, and stealthy redirection via malicious websites.
Product Targeted Mozilla Firefox, Thunderbird, Tor browsers, and Microsoft Windows Task Scheduler.
Malware Reference RomCom backdoor
Tools Used Fake domains (e.g., redircorrectiv[.]com), Reflective DLL Injection, C2 servers like journalctd[.]live.
Vulnerabilities Exploited CVE-2024-9680 (Use-After-Free in Firefox), CVE-2024-49039 (Elevation of Privilege in Windows Task Scheduler).
TTPs Phishing domains, zero-click exploit chain, DLL injection, and system compromise via backdoor.
Attribution RomCom threat group, suspected Russian ties.
Recommendations Monitor for IOCs, use SOCRadar’s Vulnerability Intelligence to track CVEs, and implement Brand Protection for domain detection.
Source SOCRadar

Source

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