Rewterz Threat Alert – FormBook Malware – Active IOCs

Severity

High

Analysis Summary

FormBook is an information-stealer malware that has been active since 2016. The info-stealer malware’s capabilities include stealing credentials, capturing screenshots of victim’s desktop, monitoring clipboard, keystroke logging, clearing browser cookies, downloading and executing files, uploading and removing bots, launching commands via ShellExecute, downloading and unpacking ZIP archive, rebooting and shutting down the system. The attackers behind these email campaigns used a variety of distribution techniques to deliver the FormBook info-stealer, including PDFs, Office Documents, ZIP, RAR, etc. Some of these files are related to quotation requests.

Impact

• Credential theft
• Keystroke logging
• Data Theft

Indicators of Compromise

MD5

• de5ca69a7939c4a8ce6846463990aa7b
• da922bb972a5c4273b7508e9ab3425bf
• 8a19c807962fa9588c950cb0c9f2d457
• 9b7e61232f9c6577f509f638a6c45e4f
• 52177fdd37c2e8e2044e4ef7171312dc
• 159fc468e9a9c5ae7aa418b49195c8c5
• 7f641e1a5319d288eb0ded95b5fef987
• 2e18224bfc26fb56e53d8094e1560d83

SHA-256

• 5bc9d0c8fd02f1c138178b1291378304a653717076f9e12ba4334609dcf7b11c
• 9832bb4f3171a310dafda15136706cac680adad4c776dd4acaeb50263fdc2df6
• 219af7048213fa5372066bbb01b6437b0a990393d605f3863a07231734044c0a
• 211a866dc214f4135eb1aebeff423826c01cc102ceab1775aab1d851c5dec532
• bd078ebc7a29db1c039340d23a3f8aa9ebfb9fbf76ab07a47d3eb42c2b575f7b
• ba5b73321a9460650bfe71fc49344e6f1b28fb9c6c423e65d333c66a52423a09
• 143cbe271818cd7c0fbb215a4e23ffc173b65f879d6faa2c563d94b065081183
• b5821114ae6e03e71fa7cc2dc293aa7f8a5563ebb4a2151194b2acb9eed4758d

SHA-1

• 358c3f58194ccc713f000e194024b817f6cb5320
• 53fa1b3371b4f9937473ebf8c0127437b90d56f8
• 47e135d47d35668c3e99c4dfae1504e78dec071c
• cec9e09c4e2dce82059863de466e8fad9b3bb0a4
• a95487a1f2775efd224348fd6ba7849ae7f732ac
• d63e94ae4d5c5afff3942063552cfff04d85d65c
• 2a0499036d7259fe3c143ce7ec6b957072f2ce7d
• cfa9b5961c4103610dc8a45b58da436c55766552

Remediation

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