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

• 2c5b8ce2f958071cf5e25a217e1c396d
• 8c05da961b2c54c8720ffe6a5e1931be
• b51df423ce43c758ede47c631b1ec055
• 3ed58974c3e5ebe1c93379a6ca78a54f

SHA-256

• ce3288f9af5f8f447e9a5cdec8842c6b59ad84e0da5c401e951f2127d20e73e9
• f8c1faa3aaf2f1d7c057ef224fe7ee27ef888f276c7c05aad08bc6d03afb496e
• 17a2aa1e2f2bc7bd1018b62e9da42240afa500f6e05f146410995839c78eaa07
• f2ecd325670c4e8e03c1a65ab4d1bae1275fb01dbc2c5dd1723ad4706cebfd36

SHA-1

• ae4657ffaf10b451a832fec3b9595599bcb0c0fc
• a25ad4c63a180c94fae57a12653d19cc9e0cb883
• 23408d11618a9db33099cb1489ea548cb24f4a14
• 4bd79537a3b0711a001ea7257cfb0ac2c5076c03

Remediation

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