MB-efc66327dbff03010d75562335d50b2e17c556362627c1f1d1e1371317e37a12
high
📛 Threat Title
Unknown: file.7z
Description
File type: 7z. Size: 3065891 bytes. Tags: 7z, file-pumped, pw-4539, redlable2-website. Reporter: iamaachum. First seen: 2026-09-25 22:34:41.
Indicators of Compromise (3)
Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.
hash_sha256
efc66327dbff03010d75562335d50b2e17c556362627c1f1d1e1371317e37a12
IOC database
- Type
- hash_sha256
- Value
efc66327dbff03010d75562335d50b2e17c556362627c1f1d1e1371317e37a12- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
- Description
- Unknown
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
No VirusTotal details cached for this IOC. Open the IOC page to query VirusTotal.
hash_sha1
09e75110a9988a8354b0e3920ca0be4c58ff0d42
IOC database
- Type
- hash_sha1
- Value
09e75110a9988a8354b0e3920ca0be4c58ff0d42- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
No VirusTotal details cached for this IOC. Open the IOC page to query VirusTotal.
hash_md5
160bfa817fd050b862cb09498596be95
IOC database
- Type
- hash_md5
- Value
160bfa817fd050b862cb09498596be95- First seen
- Last seen
- Attached to this threat
- Appears in
- 1 threat
Threat Hunt — feed corroboration
Not present in any configured threat-intel feed.
Details From VirusTotal
No VirusTotal details cached for this IOC. Open the IOC page to query VirusTotal.
References (1)
-
MalwareBazaar sample page
Abuse.ch
File type: 7z. Size: 3065891 bytes. Tags: 7z, file-pumped, pw-4539, redlable2-website. Reporter: iamaachum. First seen: 2026-09-25 22:34:41.
Remediations (10)
-
web:7-zip.org
If you try to open or extract archive and you see the message "Can not open file 'a.7z' as archive", it means that 7-Zip can't open some header from the start or from the end of archive.
-
web:cyberreplay.com
This approach balances operations and security during emergency 7-zip rce mitigation . Q: We do not have enough staff to hunt and remediate - what are practical next steps? A: Use an external MSSP or a short assessment to produce a prioritized host list and a 24-72 hour remediation plan.
-
web:cybersecuritynews.com
Mitigation Steps Update Software: Users should immediately upgrade to 7-Zip version 24.09 or later. Exercise Caution: Avoid opening archives from unknown or untrusted sources. Enable Additional Protections: Use endpoint security solutions that can detect and block suspicious file activity.
-
web:cybersecuritynews.com
A newly disclosed vulnerability in 7-Zip, one of the most widely used open-source file archiving tools, could allow remote attackers to execute arbitrary code on affected systems.
-
web:dailysecurityreview.com
A newly disclosed 7-Zip vulnerability, CVE-2025-11001, is being actively exploited, allowing remote code execution through malicious archive files. NHS England warns organizations to urgently update to version 25.00 as attackers increasingly target widely used utilities to gain system access.
-
web:integsec.com
C: Mitigation & Remediation Immediate, 0-24 hours: Identify all 7-Zip installations through endpoint management, software inventory, vulnerability scanners, and package repositories. Upgrade 7-Zip to version 26.02 or later using the official vendor distribution or a trusted operating-system package that includes the fix.
-
web:mondoo.com
Blog / Vulnerabilities How to Fix 7-Zip Vulnerability with PoC Exploit (CVE-2025-11001) A newly discovered vulnerability by the Zero Day Initiative affects the widely-used open-source tool 7‑Zip. The vulnerability, CVE‑2025‑11001, is a serious security flaw that is caused by improper handling of symbolic links in ZIP files and can enable arbitrary code execution. To make matters worse ...
-
web:securityarsenal.com
Critical RCE flaw CVE-2026-14266 impacts 7-Zip XZ extraction. Update to 26.02 immediately to mitigate code execution risks.
-
web:www.vicarius.io
⚠️ Why it matters: CVE-2024-11477 is a critical vulnerability that can allow remote code execution through malicious Zstandard files. Immediate action is essential to eliminate this security risk. Automating the remediation process reduces the chance of oversight and ensures systems are updated efficiently.
-
web:www.vicarius.io
The CVE-2025-0411 vulnerability in 7-Zip allows attackers to open and execute files inside archives without preserving the Mark-of-the-Web (MOTW) flag, potentially bypassing security restrictions. Since 7-Zip does not enforce MOTW, files extracted from an archive may execute without SmartScreen warnings, increasing the risk of exploitation.
AI Forensic Analysis
Only Available for Registered Users. Sign in to view.