General
- Target 5ab2d960f5b01c1955fde7cc75222c2d4c61d8b33b08c2eeccede0e693b0ce2f
- Size 3.8MB
- Sample260917-vbw6nagf87
- SHA256 5ab2d960f5b01c1955fde7cc75222c2d4c61d8b33b08c2eeccede0e693b0ce2f
- MD5 4e20fe1d9e68ff05ed0fa2bef6f66a3e
- SHA1 f9b35191132691bf981eb7c6305b4ac445e24c81
- SHA512 b51a983e74890903ad2cf7b203021296e19054a3bc18a88137967e9395257ba4a40e489d7b13f27a2b5b6cbde94917a9f07f193b8d0041d4ead7026ae415807c
- SSDEEP 98304:o7b3a0t2TiPhx6Sp+ybfnDA4qo34n1oO:oH3Z8cp+gDZ4n1
- TLSH T19806E0027E44CE51F0191273C2FF45088BB4985167A6E32B7DBA77AE55123A7BC0DACB
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
5ab2d960f5b01c1955fde7cc75222c2d4c61d8b33b08c2eeccede0e693b0ce2f.exe
Resource
win10v2004-20260911-en
Malware Config
Targets
-
- Target 5ab2d960f5b01c1955fde7cc75222c2d4c61d8b33b08c2eeccede0e693b0ce2f
- Size 3.8MB
- SHA256 5ab2d960f5b01c1955fde7cc75222c2d4c61d8b33b08c2eeccede0e693b0ce2f
- MD5 4e20fe1d9e68ff05ed0fa2bef6f66a3e
- SHA1 f9b35191132691bf981eb7c6305b4ac445e24c81
- SHA512 b51a983e74890903ad2cf7b203021296e19054a3bc18a88137967e9395257ba4a40e489d7b13f27a2b5b6cbde94917a9f07f193b8d0041d4ead7026ae415807c
- SSDEEP 98304:o7b3a0t2TiPhx6Sp+ybfnDA4qo34n1oO:oH3Z8cp+gDZ4n1
- TLSH T19806E0027E44CE51F0191273C2FF45088BB4985167A6E32B7DBA77AE55123A7BC0DACB
- MD5 SHA1 SHA512 SSDEEP TLSH
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Family: DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Modifies WinLogon for persistence
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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UAC bypass
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Adds Run key to start application
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Checks whether UAC is enabled
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SmartAssembly .NET packer
Detects SmartAssembly .NET packer.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1