General
- Target x24e41cdfba11f86d4093bdeee52ebded1b3d8ae38497ed9938d2d247edad6702.exe
- Size 1.7MB
- Sample260528-bc2yraev2y
- SHA256 24e41cdfba11f86d4093bdeee52ebded1b3d8ae38497ed9938d2d247edad6702
- MD5 d61df6ee447f6fc4650a954d587ab0b8
- SHA1 1248da082b3f2c22b0be47d7151af60c97a47292
- SHA512 8f0dd3606fcec4f20adcbb1ba247c79e1476ff0c8960ba87854359a8dc670bb78371c2a5b3bc3794a68ac0cda7503183c9e8cd9f6df618f3b0fd309ada83169e
- SSDEEP 49152:ckQzAkIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3sc5:c6suRD9JdOR4m+lmY/4rx8c5
- TLSH T1A88523057181D333C2FB003085C58FB55A2566224F7666EFFBE89B662F202F4BB665C9
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
x24e41cdfba11f86d4093bdeee52ebded1b3d8ae38497ed9938d2d247edad6702.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
x24e41cdfba11f86d4093bdeee52ebded1b3d8ae38497ed9938d2d247edad6702.exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target x24e41cdfba11f86d4093bdeee52ebded1b3d8ae38497ed9938d2d247edad6702.exe
- Size 1.7MB
- SHA256 24e41cdfba11f86d4093bdeee52ebded1b3d8ae38497ed9938d2d247edad6702
- MD5 d61df6ee447f6fc4650a954d587ab0b8
- SHA1 1248da082b3f2c22b0be47d7151af60c97a47292
- SHA512 8f0dd3606fcec4f20adcbb1ba247c79e1476ff0c8960ba87854359a8dc670bb78371c2a5b3bc3794a68ac0cda7503183c9e8cd9f6df618f3b0fd309ada83169e
- SSDEEP 49152:ckQzAkIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3sc5:c6suRD9JdOR4m+lmY/4rx8c5
- TLSH T1A88523057181D333C2FB003085C58FB55A2566224F7666EFFBE89B662F202F4BB665C9
- 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