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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
- dbc7dec63082150e42c786fbc47dea8a
- 97a3aa2b0a6e0a26fca4db32eaaec5ef
- 2ac9b1e464ab08c005e6623a7375ff8e
- a77422049c8e609ada500b3c36e5bb09
SHA-256
- 1273a548df057bfaafa975b34de3551362e91faaaa78b0bcf764c67f225b423d
- e3f49f0b8d0d27770f262483e2931ab3c5d7683d2d2e086e97e99b1100269589
- 41c204299b933164363a2d1df065acab700bb13cf5065b6b000d9783fea0e73f
- 33ed2fa9862dde15492077b05f4bb61c462c1d30e9a5e76c2ca76479c01f8049
SHA-1
- 6a251887d2390692959ed0941c1116b5494a376e
- 17cecdf921417f42eb7583ee834d2be36f6c4c45
- f0cd73eb28b09001286c86d01bf577e1007c0250
- 4e9a5b37b4c6724ba82c59778958d84c9947b631
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.
- Do not download files attached in untrusted emails.