General
- Target xa6882975610d936a6124bcc1d99d38dd53af943b4aa07c47cf80c92b35d02c87.exe
- Size 1.7MB
- Sample260710-ayhasscw3t
- SHA256 a6882975610d936a6124bcc1d99d38dd53af943b4aa07c47cf80c92b35d02c87
- MD5 2ac1228be72521d35d29c96be254254c
- SHA1 1f115179b15fab3be07720bfb6ce98e3d605aa87
- SHA512 5046b140804962681dd0e021f896d01d92ee16884953395fc8ea2980e911dd4c757f2b3a0729da0e14f4fd8ec81037a6b5cd1b9298f0c21fdabfa805ab98c443
- SSDEEP 49152:ckQTAfIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3sc6:caVuRD9JdOR4m+lmY/4rx8c6
- TLSH T18A8523097181D373C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
xa6882975610d936a6124bcc1d99d38dd53af943b4aa07c47cf80c92b35d02c87.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
xa6882975610d936a6124bcc1d99d38dd53af943b4aa07c47cf80c92b35d02c87.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target xa6882975610d936a6124bcc1d99d38dd53af943b4aa07c47cf80c92b35d02c87.exe
- Size 1.7MB
- SHA256 a6882975610d936a6124bcc1d99d38dd53af943b4aa07c47cf80c92b35d02c87
- MD5 2ac1228be72521d35d29c96be254254c
- SHA1 1f115179b15fab3be07720bfb6ce98e3d605aa87
- SHA512 5046b140804962681dd0e021f896d01d92ee16884953395fc8ea2980e911dd4c757f2b3a0729da0e14f4fd8ec81037a6b5cd1b9298f0c21fdabfa805ab98c443
- SSDEEP 49152:ckQTAfIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3sc6:caVuRD9JdOR4m+lmY/4rx8c6
- TLSH T18A8523097181D373C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
- 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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SmartAssembly .NET packer
Detects SmartAssembly .NET packer.
MITRE ATT&CK Enterprise v16
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
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4