Rewterz Threat Alert – Remcos RAT – Active IOCs

Severity

High

Analysis Summary

Remcos malware has been operating since 2016. This RAT was originally promoted as genuine software for remote control of Microsoft Windows from XP onwards, and is frequently found in phishing attempts due to its capacity to completely infect an afflicted machine. Remcos malware attacks Windows systems and provides the attacker complete control over the machine.It is frequently distributed by malicious documents or archive files that contain scripts or executables. Remcos, like other RATs, offers the threat actor complete access over the infected PCs which allow them to record keystrokes, passwords, and other critical information. Remcos incorporates various obfuscation and anti-debugging techniques to evade detection. Regular updates of its features by its creators make this malware a challenging adversary.

Impact

• Breach of: Victim’s machine information (OS version, computer name, system type, product name, primary adapter).
• User information (user access, user profile, user name, user domain)
• Processor information (processor revision number, processor level, processor identifier, processor architecture)

Indicators of Compromise

Domain Name

• aryexpcrt[.]ddns[.]net

IP

• 178[.]237[.]33[.]50
• 68[.]235[.]48[.]108
• 198[.]46[.]142[.]144

MD5

• a862a9069c969c3997c54be20232e936

SHA-256

• 1ff4b93749bc77ba4f7a3f53b2fb3c917ec8b9e67a3ec4dc483efe6762d067a6

SHA-1

• 7cdebb388f16b05560014ad7de8050a0391de3c5

URL

http[:]//198[.]46[.]142[.]144/340/vbc[.]exe

Remediation

• Block all threat indicators at your respective controls.
• Search for IOCs in your environment.