General
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Target
483e96684fcd22e9ae54520fbabce4ce.exe
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Size
3.6MB
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Sample
240726-ps8ccs1gpf
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MD5
483e96684fcd22e9ae54520fbabce4ce
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SHA1
d8da92f363bdad025496a55b4e195e239dee24fc
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SHA256
86c845b26ff1a36147c647ba50a1cf1ef62c829bcd432bb6ffb6d167532da7c6
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SHA512
5b80834a00acce4592ec75ea277e199ba406fb359109fa1d889bb203383be1a6fa6feef90f8e28fc7557ac46b1e56b036176b8efc3cf4608f52d87f1a54aedce
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SSDEEP
98304:Ly5WEuCcNtwzYfsV5K6xAWF5WsX8APALK9Ts8L:Ly57uCcNOzYSK6xAng8AIeV7
Behavioral task
behavioral1
Sample
483e96684fcd22e9ae54520fbabce4ce.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
483e96684fcd22e9ae54520fbabce4ce.exe
Resource
win10v2004-20240709-en
Malware Config
Targets
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Target
483e96684fcd22e9ae54520fbabce4ce.exe
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Size
3.6MB
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MD5
483e96684fcd22e9ae54520fbabce4ce
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SHA1
d8da92f363bdad025496a55b4e195e239dee24fc
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SHA256
86c845b26ff1a36147c647ba50a1cf1ef62c829bcd432bb6ffb6d167532da7c6
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SHA512
5b80834a00acce4592ec75ea277e199ba406fb359109fa1d889bb203383be1a6fa6feef90f8e28fc7557ac46b1e56b036176b8efc3cf4608f52d87f1a54aedce
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SSDEEP
98304:Ly5WEuCcNtwzYfsV5K6xAWF5WsX8APALK9Ts8L:Ly57uCcNOzYSK6xAng8AIeV7
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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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MITRE ATT&CK Matrix ATT&CK v13
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
1Abuse Elevation Control Mechanism
1Bypass User Account Control
1Scheduled Task/Job
1Scheduled Task
1