General
- Target x515b51193dcb5776e84a283cb173f6075efa75e60741392c2b98f3ff8c7b5005.exe
- Size 1.7MB
- Sample260525-lkwf2sf14v
- SHA256 515b51193dcb5776e84a283cb173f6075efa75e60741392c2b98f3ff8c7b5005
- MD5 0adbbd5ac2783176e3c4fc135cfab5f6
- SHA1 f12f52c24b645510dc914a0c46e81a9af76fd60f
- SHA512 e589a427ebfbc09c1ca941c7e8c3887195c2ba52ee224bbd016d7c538fdf450d49cf9e5e3c76c3b3086c333aaa21bf32868e4f27279b4e6e2f7c4a3c0fe625e8
- SSDEEP 49152:8kQTAPIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3sc9:8aluRD9JdOR4m+lmY/4rx8c9
- TLSH T1BE8523097181D333C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
x515b51193dcb5776e84a283cb173f6075efa75e60741392c2b98f3ff8c7b5005.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
x515b51193dcb5776e84a283cb173f6075efa75e60741392c2b98f3ff8c7b5005.exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target x515b51193dcb5776e84a283cb173f6075efa75e60741392c2b98f3ff8c7b5005.exe
- Size 1.7MB
- SHA256 515b51193dcb5776e84a283cb173f6075efa75e60741392c2b98f3ff8c7b5005
- MD5 0adbbd5ac2783176e3c4fc135cfab5f6
- SHA1 f12f52c24b645510dc914a0c46e81a9af76fd60f
- SHA512 e589a427ebfbc09c1ca941c7e8c3887195c2ba52ee224bbd016d7c538fdf450d49cf9e5e3c76c3b3086c333aaa21bf32868e4f27279b4e6e2f7c4a3c0fe625e8
- SSDEEP 49152:8kQTAPIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3sc9:8aluRD9JdOR4m+lmY/4rx8c9
- TLSH T1BE8523097181D333C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
- 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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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