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

• c3ce12504e0685e9b74fbe78cabf9c79
• 594eb16eb878818396471fc8531d5cab
• e35816655bf86d9a2aa8569a81fad0e7
• 7221fea726f93298d15b7e6880160034

SHA-256

• c12727598ef6fadffddb078083cda0ef3cf79ded61ba27c5a6a6b4f732ee1e61
• 89b7cd6b2e33c5c7d423c8814b56e7a7aef7ab3064c3fdcf4f4732bce3837b34
• 845df76e2e4d828108d506ec1ff6fceeef07736d73df7d9e7c3d275740ee1c94
• d8aa459166422845b7d08927d6402f9fab78da1f95e9960cd1b3d8784ddf6437

SHA-1

• 9c8c4659fc321eb2dfcc6e174ae194f57c37e064
• 2e13a0e4094aadcf2facb95ecc738e5c610bf2aa
• 014fe9062d92b730bf0ebabb6f0bd4cc5e8579b2
• 985d8ef4b33d7af0ac9fc930a99154493a9f5ef4

Remediation

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