February 17, 2025
Proactive Defense: The Importance of Incident Response Planning in Cybersecurity
Rewterz Threat Advisory –Multiple VMware Security Vulnerabilities
August 6, 2021Rewterz Threat Advisory –CVE-2021-1522 – Cisco Connected Mobile Experiences Security Vulnerability
August 6, 2021Rewterz Threat Advisory –Multiple VMware Security Vulnerabilities
August 6, 2021Rewterz Threat Advisory –CVE-2021-1522 – Cisco Connected Mobile Experiences Security Vulnerability
August 6, 2021
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
- 4dc5f9b53f56d1d2cab97d717fd20f44
- 836dd65f8206612521a583a08109ead1
- 7d00a24f9fab1b955425fb32179eae06
- c1428a49557668bf9fb0a293c3f8d003
- de5656ea33859b231be8d245879fb101
- f2b81b42990cee987ce0168b14abc4c4
- fe69159c72a9f2ae7cc592a8572c3bbc
- 3c32b613c5909da3529011746c21befc
- 3856ef031167c1b3a0e0a40674bd42f0
- 7d00a24f9fab1b955425fb32179eae06
SHA-256
- f774626e850950a6f1cbbda4a4b25a729ef33c64b31b9e7692e9d1e1b6405bfc
- cff84e417e1483abc23bd1ff30bac2fda21a4e80f4dcc210130e3157a42299d2
- 74c7003daae4332200908731127b6a5252417bcb89ed610532bf577d503c7465
- 5a02dd58da8c8f90dda5f85e41c201f1d2c8c5c7006d7073b636cc2d2211cc72
- 0f91cd4c92db7272fae1a765da60d80d3ace80c956737f08d21f11676a0e2719
- 5023ffb96d6d21805c48f275dbb208a1671ab8dd7f3c170ca4dba1ac08c075f9
- d4b50f02cca2034a0feebf0145206aac100f816fba4dc91f8e8138819f46abb9
- 69ab4445af9a4a0b68631f85349b8340ea89a534be4ee8aef9f9be54e75aee05
- b9e6760d4d04760b495e95fcda0eb6c070046617730c7066914563679cce68bd
- 74c7003daae4332200908731127b6a5252417bcb89ed610532bf577d503c7465
SHA-1
- 875afa9e6c0c51dc096d12ae3da9db2de7a3380b
- b1b952a4d1f2f2975484289c2fee09c5ffa42200
- af244f87ea871bcdadd6a979a492e3fbb32be67a
- 41a31d93e3a9f3882f024000b26ad329c0e90ce6
- c95708277b7b4e34d9856ef6d181dfeef3640282
- e3deb21646a87850cc07bc6fdf7d1642274ed5c3
- fa1096af31c9e6184485b59551dd5446bae348ea
- 6b60dd6476db83dbed0fe3bb80d857834724c4b7
- 728e44609c5a0852dabe23d019b5cf3b3f25f739
- af244f87ea871bcdadd6a979a492e3fbb32be67a
Remediation
- Block all threat indicators at your respective controls.
- Search for IOCs in your environment.