MB-4b0cd44b38ad25e8a3ed2933f1a0b8b37a5edbf9e28ed85b82913da6f0248573
high
📛 Threat Title
Unknown: file
Description
File type: exe. Size: 13312 bytes. Tags: dropped-by-GCleaner, exe, G, US0.file. Reporter: Bitsight. First seen: 2026-09-23 23:07:26.
Indicators of Compromise (4)
Each indicator is enriched from the IOC database, threat-intel feed corroboration (Threat Hunt) and VirusTotal. Click one to expand.
hash_sha256
4b0cd44b38ad25e8a3ed2933f1a0b8b37a5edbf9e28ed85b82913da6f0248573
IOC database
- Type
- hash_sha256
- Value
4b0cd44b38ad25e8a3ed2933f1a0b8b37a5edbf9e28ed85b82913da6f0248573- 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
e881cbb9594d9b330d9bdba294cd2f06c4adaa33
IOC database
- Type
- hash_sha1
- Value
e881cbb9594d9b330d9bdba294cd2f06c4adaa33- 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
b5b1e73a5c78c8bfa3094e882a61db62
IOC database
- Type
- hash_md5
- Value
b5b1e73a5c78c8bfa3094e882a61db62- 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_imphash
dc1e193ed615ba9d0281426bc782c6f0
IOC database
- Type
- hash_imphash
- Value
dc1e193ed615ba9d0281426bc782c6f0- 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: exe. Size: 13312 bytes. Tags: dropped-by-GCleaner, exe, G, US0.file. Reporter: Bitsight. First seen: 2026-09-23 23:07:26.
Remediations (10)
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web:learn.microsoft.com
Configure what Microsoft Defender Antivirus should do when it detects a threat, and how long quarantined files should be retained in the quarantine folder.
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web:learn.microsoft.com
Microsoft Defender Vulnerability Management allows you to remediate vulnerabilities discovered in your environment through actionable security recommendations. You can create remediation requests that your IT administrator team can use to remediate vulnerabilities using Microsoft Intune.
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web:microsoft.github.io
This capability supports the "Assume Breach" principle of Zero Trust by ensuring continuous detection and mitigation of weaknesses. Reference Remediate machine vulnerability findings - Microsoft Defender for Cloud Vulnerability scanning in Defender for Servers Remediate vulnerabilities with Microsoft Defender Vulnerability Management
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web:orca.security
Microsoft patches CVE-2026-21509, a high-severity Office zero-day actively exploited in the wild. Learn about the OLE bypass, affected versions, and remediation .
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web:research.checkpoint.com
Research by: Jiří Vinopal (@vinopaljiri) Abstract What if a trusted security component could be repurposed into an attacker-controlled kernel primitive? What if a signed Microsoft remediation driver could be instructed to execute arbitrary file and registry operations from Ring 0 - without exploits, vulnerabilities, or memory corruption? In this publication, we present the first full […]
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web:windowsforum.com
Microsoft's February Patch Tuesday closed a dangerous loophole in the modern Notepad app that could let an attacker turn a simple Markdown (.md) file into a remote code execution (RCE) trap — a single click on a crafted link inside Notepad's Markdown view could launch unverified protocols and cause arbitrary code to run with the user's privileges. (msrc.microsoft.com) Background ...
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web:www.herodevs.com
Understand CVE-2026-66066: a critical RCE vulnerability in Ruby on Rails Active Storage. Learn how an unsafe libvips default enables arbitrary file read and how to secure your application.
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web:www.ninjaone.com
Learn how to restore safe files or permanently remove quarantined files in Windows 11 using Windows Security and PowerShell for IT admins and MSPs.
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web:www.rescana.com
Given the active exploitation and the high impact potential, urgent remediation is required for all organizations utilizing affected Microsoft Office products. This advisory provides a comprehensive technical breakdown, exploitation context, and actionable mitigation guidance to help organizations defend against this evolving threat.
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web:www.sentinelone.com
A vulnerability remediation program helps you identify, analyze, prioritize, and eliminate security weaknesses before cyber attackers could exploit them.
AI Forensic Analysis
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