General
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Target
F4bGErn.exe
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Size
7.6MB
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Sample
250131-yg8y7avndy
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MD5
fe0c9b38c87120a39f19ee7a9bd0a219
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SHA1
8ef15aef987250122e6165abee62d4bc7114e459
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SHA256
8cf25972c057620eb17ff5034f0d379774efd6b6df3fef089bff72a726b0c4cc
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SHA512
8b3e70589d9948c00870faaed2730812649632b602f8fbb0ffea27cbff6d05374cfe2cee6312b826368213bb78126727e9c0dd83818e27da89510ce534ac1c82
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SSDEEP
196608:OCD+kdZwfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNWo:B5UIHL7HmBYXrYoaUNr
Behavioral task
behavioral1
Sample
F4bGErn.exe
Resource
win10ltsc2021-20250128-en
Behavioral task
behavioral2
Sample
F4bGErn.exe
Resource
win11-20241023-en
Malware Config
Targets
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Target
F4bGErn.exe
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Size
7.6MB
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MD5
fe0c9b38c87120a39f19ee7a9bd0a219
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SHA1
8ef15aef987250122e6165abee62d4bc7114e459
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SHA256
8cf25972c057620eb17ff5034f0d379774efd6b6df3fef089bff72a726b0c4cc
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SHA512
8b3e70589d9948c00870faaed2730812649632b602f8fbb0ffea27cbff6d05374cfe2cee6312b826368213bb78126727e9c0dd83818e27da89510ce534ac1c82
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SSDEEP
196608:OCD+kdZwfI9jUCBB7m+mKOY7rXrZusooDmhfvsbnTNWo:B5UIHL7HmBYXrYoaUNr
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Deletes Windows Defender Definitions
Uses mpcmdrun utility to delete all AV definitions.
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Drops file in Drivers directory
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Clipboard Data
Adversaries may collect data stored in the clipboard from users copying information within or between applications.
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Executes dropped EXE
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Loads dropped DLL
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.
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Enumerates processes with tasklist
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Hide Artifacts: Hidden Files and Directories
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MITRE ATT&CK Enterprise v15
Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
1Obfuscated Files or Information
1Command Obfuscation
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3