General
- Target 5d0958e2bf96b110c7f114d783e4517a.exe
- Size 3.8MB
- Sample240820-sa1fksyamd
- SHA256 511b7dffe882fa5fa36b6aa5b426a58ba4be1a090294f6ba1dd197ee3fd6bdee
Score
10/10
Malware Config
Targets
-
- Target 5d0958e2bf96b110c7f114d783e4517a.exe
- Size 3.8MB
- SHA256 511b7dffe882fa5fa36b6aa5b426a58ba4be1a090294f6ba1dd197ee3fd6bdee
Score10/10-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
-
Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
-
UAC bypass
-
DCRat payload
Detects payload of DCRat, commonly dropped by NSIS installers.
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Checks whether UAC is enabled
-
Legitimate hosting services abused for malware hosting/C2
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
2