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

• d1ff53179fc224c47993ff3232cab612
• 35deaae4d3284d9ef1a40827ea961adb
• 2fef10e8b3f448256c561c7c2acc1f64

SHA-256

• 7be38caafd74c51f9f934d9d30c635f9d87918467a30d7b1f1282808da06ab2d
• cfb1885ffc36b477e82c2f725fe625c38018760da2531d3a2024f0c24752997a
• 570b1e6e2a31aeea4ae5e06187e431299203a527a14a22e4ee97b4004073bd7c

SHA-1

• 164929ea7e6b82b8e24d1b0e2745ecb0ef770e79
• 455341dc364c18c5a32468850e179ee7ada91a92
• ddd23f802e82f815dd45bdc274f83862aa991fdf

Remediation

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