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

• 3ef0967f74b4fc51eaad3b92019d1745
• a528c5627f79e96eee5d6c7f3dc830d2
• 74db358f5925396f121cff9f07624144
• 3bd068f456a32cba0440e224b6fb4aed
• ee97e8134d2d81d1b0496cdc9a47e20a
• 169392441c74578071a93fe83516c2c2
• 2b52b0efc66e7cc0330031e17ab23c1c

SHA-256

• 944feb8dd2a7af988d456866824e41474fb94acedee7ff936156e96b4f66a012
• d8f735632cfee08729b77508377d381efd4b1b8bf130740b52c923a61d3fcf46
• ba2d25b2357300024c0c56fb5f047fc8a46e63f23d3d8b1c8969ef932711cd15
• 2120f58c169c8e8f794be9d4b6e0f4a5de8f60c4ff4202c0035de4916f5f54ae
• 23a38a6f4f071442244e32033a1672cbe57ef0296bac9a3514cde315e417f632
• 3529bb4358b034bf22fde4efddd1a4cf78f882f8778fb47ab9acf90345edb353
• 0cc4531aca2b0311933c6c16e719bba7ac2f4b6f1aa81c8024714eb428c4e5f2

SHA-1

• fbe989fc25a9e550628ee7f5d264f98a7c0a1844
• a0c98f2d6b4a611cd4416b6983244a75ef164882
• 3382ea4c159de6051273ebc2ffe8c4e4a78c1154
• 92e7dcfa7cf67adfbcf1096d84acd8564603beca
• b55593f9448acf6cd5dde7e5635194ff042c289f
• 7732f2bca70e31107df8970afeb1cfc3f05a8f1c
• 9114a231e921d8bbb5c7b00c7010dec70f43b030

Remediation

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