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

• 40b75425c4240b281dc774acac5f3cb0
• 1b1edf66848b3f336621d7ccb5fd0350
• 2664c291da2b5ccd3f401d5207a9a268
• b69281f394d42d176c47ff7733d5142a

SHA-256

• 92604760aebc1d654c208332f53bf2f8da4fec0b27003e9717d82ff60a8a4185
• d3155ed1d35503be5ec4887ad70682f5536656a59219ffbef6b573fdb6421a60
• 5ea02b2f047f77380f1ce3425291460c5ed2cc3b82b3d97f56be41f4fb76c51f
• 46bab62e3991c725d457054fe0cc33375ed7367170b1ff0dad4f88bfca97c4d7

SHA-1

• e7c567161e640ae5647ca1e15ec4643fc81ad3fb
• 1de70f6c03a718dba7b8c1158f9a3007d7adc304
• d19aa839d40e57d60058d1b8d89b5a978dbcdb2a
• 14061a11c8bf549de9cb6b06d12a562511b6a5ed

Remediation

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