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General
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Target
PenlExecutorV5.exe
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Size
21.7MB
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Sample
240903-kh1gjsscjm
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MD5
2ab204ea193000dade28d306de97a101
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SHA1
b465e38921a355bd93e3224dacbf330665bc69ab
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SHA256
a9206417bf18fbe241927419daaf2ba6bdec71d4c130256a59ca6f2e8f89cf8e
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SHA512
57a3b37e3f42a33e98b33afc10fdc28bd3247d2ace85772859a63a80fc71676732320e0bda1b6b77565ad8150f6c38ada7800fab76547ec9ced0363ceda1d5dd
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SSDEEP
393216:nLct7WGlx0P7z8P/NR5q+5DbqCrqDlJVy2zOeLM+AA+k6zYVz4TUi2I8:ngtpgYP/N/qUDbqgqDjVy2LhhZzEEI
Static task
static1
Behavioral task
behavioral1
Sample
PenlExecutorV5.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
PenlExecutorV5.exe
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Size
21.7MB
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MD5
2ab204ea193000dade28d306de97a101
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SHA1
b465e38921a355bd93e3224dacbf330665bc69ab
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SHA256
a9206417bf18fbe241927419daaf2ba6bdec71d4c130256a59ca6f2e8f89cf8e
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SHA512
57a3b37e3f42a33e98b33afc10fdc28bd3247d2ace85772859a63a80fc71676732320e0bda1b6b77565ad8150f6c38ada7800fab76547ec9ced0363ceda1d5dd
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SSDEEP
393216:nLct7WGlx0P7z8P/NR5q+5DbqCrqDlJVy2zOeLM+AA+k6zYVz4TUi2I8:ngtpgYP/N/qUDbqgqDjVy2LhhZzEEI
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Renames multiple (173) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Disables Task Manager via registry modification
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Drops file in Drivers directory
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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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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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Persistence
Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Create or Modify System Process
3Windows Service
3Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Impair Defenses
2Disable or Modify System Firewall
1Modify Registry
1Obfuscated Files or Information
1Command Obfuscation
1