General
- Target 3d79293d371d3393d83f0d6205c35263baa3618a6f3ccba4fcefbee999d4a714.exe
- Size 16.0MB
- Sample250114-e1k7payngl
- SHA256 3d79293d371d3393d83f0d6205c35263baa3618a6f3ccba4fcefbee999d4a714
Score
10/10
Malware Config
Targets
-
- Target 3d79293d371d3393d83f0d6205c35263baa3618a6f3ccba4fcefbee999d4a714.exe
- Size 16.0MB
- SHA256 3d79293d371d3393d83f0d6205c35263baa3618a6f3ccba4fcefbee999d4a714
Score10/10-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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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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Disables Task Manager via registry modification
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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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Loads dropped DLL
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Adds Run key to start application
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Drops file in System32 directory
MITRE ATT&CK Enterprise v15
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
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1