Severity

Medium

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

• 00695ebfd7afcd406ce8cb50dc42b981
• 6fd7f6a896112b50383e979a4209a088
• 1a319cb4b7cb45841cb87dbbceadf152
• 837eed0b0276914b55283362eb557c70
• 53ab34043d225c7fca168ad1a7df31a8
• 8730ea97b4dc74557e9e90194f74cdd5
• fd30d28fcbcb1355343d594752b78772
• 63aa1dee9c5cb76309d30553dc4a4f0c
• 16362015f98c0cf0e0d6b500f0d2893d
• 92f15ca5167c47451b44f08c4eb0d5a4

SHA-256

• 779bc334a39305cff0e5d5cd202641d0878cd4eda07d35f85aecbe72ff5eff25
• 1cd93c07c439d16266f2276b1f38c53b57cd0de59490b6857044eda8abe78c01
• 6e2f5b008bdbf0b7c7c81649b7097bba3b1a6937b59c6e8eb20f1882707cfbbc
• 820874caef7dd09b3475fbeac4b6b7372446b6b5eee1583aa7eef9610e27b9f8
• 657bd12172568c696ae02af0948808a0f9ab30d77ed199abd0f3bdf08f5d0513
• 0c6823e63b28799c28145805bc2c143c67a52698e4af497070b9da8439d6b327
• d00f87049fb2c7cbbf506ca2361e8295fe06926f17e1d2c16cfe3e88a2902f5a
• 93a6cb87273a83d5d43cc42d6c559eb812019ebb5176892c78cd260c550f59dd
• 3c78a8163632246f074a36ed8b6f1717aceb0ba55dcc5c5329ddb16d9cfd5755
• 4c1b38391ab198fb0e2c7050a8951e65efbc818991fb710f6deeb2c76a54c734

SHA-1

• fe4c889499f5faa0d667705e24364450a0d966d9
• 2f68f67755d338156e8957949ac71380316bc221
• aea2e1d33ec6df43b8bdceb9944ec7b788812ab2
• c0810062703156f195c52ca3b516813cb3ccaee7
• d65e76d0c79ac6270d3136af438bc36a69c7efc2
• e4ea26950d948f050b5b112c2e70bd8c8ffba8b7
• 33cb0811591d84b68ce5cb07e1050e4dea0ce6cf
• 1636ba21ed87bfe916334bce77c5daafa6ee8bbc
• e96c59a0f65a5df687a1bc261a22713e09b471fe
• aaa650fdf71978a3143a5a8c85a57a5518c6c8e1

Remediation

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