General
- Target 587e1d2473fea9284918bfbcf9897de2.exe
- Size 2.5MB
- Sample240630-nmpsdsxbla
- SHA256 c729d915ac96ff25722e76303e87e67c8ed51f776992724fa89fedbb77fc8a28
Malware Config
Targets
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- Target 587e1d2473fea9284918bfbcf9897de2.exe
- Size 2.5MB
- SHA256 c729d915ac96ff25722e76303e87e67c8ed51f776992724fa89fedbb77fc8a28
Score10/10-
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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DCRat payload
Detects payload of DCRat, commonly dropped by NSIS installers.
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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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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application
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Checks whether UAC is enabled
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
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