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
• Sensitive Data Theft
• Keystroke Logging

Indicators of Compromise

MD5

• 64f9b51104be03c683884e2447428757
• 95cd540219596608c66b3a3bcf59b904
• ac6096ab3dc639f668998dc327d33365

SHA-256

• d512320bd4cd2ff14ee93ce377dee115ee827875608432a43c6155cb87d88d5c
• 186560894e5762221b8dd00482eff24ea616619628235d1e1a0967eb307c3893
• 2620668118d8ade45d0de6c49ea4c2af6213ff0e7d0b312b8ce8e080eba6c32b

SHA-1

• 3f31bf999985c1d6f8ee8f6794854d5f000642cb
• e303d92f2dfe1ab881dca7fbec4e62a38e934892
• de2ba145f48c068ad776bb6920254b35e6362bb2

Remediation

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