General
- Target 039f59dc17805f1259901dfc387419c151db223e5585d76556af9b342d9c2863
- Size 2.0MB
- Sample260916-weydkasscw
- SHA256 039f59dc17805f1259901dfc387419c151db223e5585d76556af9b342d9c2863
- MD5 26cc7f73a9070429e0979276e8e1fd09
- SHA1 96611f37ea34b2393f33881054c01e45a2a2fc47
- SHA512 693bf5df804bfa0ebd07de63c6b720a87e81b7d5af4afe7ae63ccbd354688ba55dcf998a17ee4ad567593e22bda005ea419b780b86a44f1f44935e5286d24f2c
- SSDEEP 49152:OhUwZRu/leCL7Kz5Kof5D6MuhcAqh+cKp:O3OlLmF/f5DrAD
- TLSH T14AA5BE027E44CA01F0191233C2FF454887B4995166E6E72B7DBA37AE29123977C4E9EF
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
039f59dc17805f1259901dfc387419c151db223e5585d76556af9b342d9c2863.exe
Resource
win10v2004-20260911-en
Malware Config
Targets
-
- Target 039f59dc17805f1259901dfc387419c151db223e5585d76556af9b342d9c2863
- Size 2.0MB
- SHA256 039f59dc17805f1259901dfc387419c151db223e5585d76556af9b342d9c2863
- MD5 26cc7f73a9070429e0979276e8e1fd09
- SHA1 96611f37ea34b2393f33881054c01e45a2a2fc47
- SHA512 693bf5df804bfa0ebd07de63c6b720a87e81b7d5af4afe7ae63ccbd354688ba55dcf998a17ee4ad567593e22bda005ea419b780b86a44f1f44935e5286d24f2c
- SSDEEP 49152:OhUwZRu/leCL7Kz5Kof5D6MuhcAqh+cKp:O3OlLmF/f5DrAD
- TLSH T14AA5BE027E44CA01F0191233C2FF454887B4995166E6E72B7DBA37AE29123977C4E9EF
- MD5 SHA1 SHA512 SSDEEP TLSH
-
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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Executes a VBScript file via the Windows Script Host.
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SmartAssembly .NET packer
Detects SmartAssembly .NET packer.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3PowerShell
1Visual Basic
1Windows Command Shell
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