General
- Target 2ad55fe74e45ca36d6586b52d0cf1f9af24ef9a11d7a79b6079bf6fe8a0d6ab0
- Size 1.6MB
- Sample260824-q7cdxadf86
- SHA256 2ad55fe74e45ca36d6586b52d0cf1f9af24ef9a11d7a79b6079bf6fe8a0d6ab0
- MD5 3c74891f38a26ad9d5189198620c2b41
- SHA1 3ddba48a01243b5e8ef0e083ae7e351f28ff3f41
- SHA512 9606722f4dcadf3a47aed91d23091b3350a364ca8586fa1b6465faab511056f8633f8fbea6dc2384f782df469f697f3092ecba27d195ad657532ed915d6126c9
- SSDEEP 24576:+XGq9fNAehxNnn+MsgnUQ0+vgd9Ulk5R/+VKkccpScpuw72sEeh8Sx8y:vqVNxhxFVKQKHgk5RmVKG7dr
- TLSH T11675AD177A59CE12D0690733C4DFC00883E8AD82AB66DB5ABE8A33AD15613E71D4D5CF
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
2ad55fe74e45ca36d6586b52d0cf1f9af24ef9a11d7a79b6079bf6fe8a0d6ab0.exe
Resource
win10v2004-20260513-en
Malware Config
Targets
-
- Target 2ad55fe74e45ca36d6586b52d0cf1f9af24ef9a11d7a79b6079bf6fe8a0d6ab0
- Size 1.6MB
- SHA256 2ad55fe74e45ca36d6586b52d0cf1f9af24ef9a11d7a79b6079bf6fe8a0d6ab0
- MD5 3c74891f38a26ad9d5189198620c2b41
- SHA1 3ddba48a01243b5e8ef0e083ae7e351f28ff3f41
- SHA512 9606722f4dcadf3a47aed91d23091b3350a364ca8586fa1b6465faab511056f8633f8fbea6dc2384f782df469f697f3092ecba27d195ad657532ed915d6126c9
- SSDEEP 24576:+XGq9fNAehxNnn+MsgnUQ0+vgd9Ulk5R/+VKkccpScpuw72sEeh8Sx8y:vqVNxhxFVKQKHgk5RmVKG7dr
- TLSH T11675AD177A59CE12D0690733C4DFC00883E8AD82AB66DB5ABE8A33AD15613E71D4D5CF
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10-
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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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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Drops file in System32 directory
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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
1