Rewterz Threat Alert – FormBook Malware – Active IOCs

Severity

Medium

Analysis Summary

Since 2016, FormBook has been active as a data-stealing malware that affects 4% of enterprises in 2020. It tracks and monitors keystrokes, finds and accesses files, takes screenshots, harvests passwords from various browsers, drops files, downloads, and executes stealthier malware in response to orders from a command-and-control server (C2). The cybercriminals behind these email campaigns used a variety of distribution techniques to deliver this malware, including PDFs, Office Documents, ZIP, RAR, etc.

Impact

• Credential theft
• Keystroke logging
• Data Theft

Indicators of Compromise

MD5

• 239ce4f126d4cb8882d12e66e1dbb9ce
• 96a57f972a1b847e6a6115ca4733d85e
• b4cdb175187010a16ab91cc92137d1cc
• b7d8ad625a8c5321f34a3952afa3563b

SHA-256

• 085110f2c00a416220b4430ff77cb8169f85db7d282f330db50d4831506e82e5
• e1589588b95e03844e0f5ccae574e722d68351c867b8535cd3df9467d381cdbb
• 8d6fcc0c461c48ee2da0b00354d946342c3521662cafc0b0d519b5d875279939
• 41052b2fbebd33434878b18c4b3fdedcc71ed062357fff97a97737440b633853

SHA-1

• c9ce5d24d50e1f16decddfe48bb9db87c5dbaa87
• b3b4a8cc0996a25324c2252bcdbccb89b6189986
• c806f0f7c5963d65051acf44cae02d2f8ba00d87
• 1a3f74f3829bd950455c1c65e804d919d05ed617

Remediation

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