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

• 672a4cb0339039cd0f3b056de73800fa
• 20848f7ba6a69ae967d0a47748a739d1
• 4a270f8a6c684aa625c862e579f6817b

SHA-256

• 2044524fe88a8ed1ea1d5428cba427f87763e35ed487d91fe5c1bef12a6d26df
• e66f8dd9568ee3419e2ff2006fb96c43774bebe4d06af40c008c9bbbf55e90c1
• f09d1a726e7cdc701ce9be7f0988b7751896140fa76d9db2c4b3189d8cf9e0b6

SHA-1

• 6f6ab0cd96eed0246f883e97461539c52e2328f8
• 0d209a5aabd0aa42b268308fcce62d9ef2c74145
• ba83f697f93a552b47510ebf692b3b69d487b5ea

Remediation

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