General
- Target xdfc69f5afbb39afb797e228f76e91e24d84a1d2dc5bf06370f701b816680acb6.exe
- Size 1.7MB
- Sample260701-fxzrcaez4n
- SHA256 dfc69f5afbb39afb797e228f76e91e24d84a1d2dc5bf06370f701b816680acb6
- MD5 47383613739e10d8a23d76850c391347
- SHA1 3fcfd4d5ca868f90681a43b35e0661d9125bc539
- SHA512 f46d28614ba4235ae064f558d564c1891f0ebeed70ce12ee76661941ef29916757045c83dc75ea59cc43076cda30ddae5ee26f693325f9a9dd1489c1ba7ad713
- SSDEEP 49152:ckQTAzIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3scD:caJuRD9JdOR4m+lmY/4rx8cD
- TLSH T1378523197181D333C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
xdfc69f5afbb39afb797e228f76e91e24d84a1d2dc5bf06370f701b816680acb6.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
xdfc69f5afbb39afb797e228f76e91e24d84a1d2dc5bf06370f701b816680acb6.exe
Resource
win11ltsc2024-20260629-en
Malware Config
Targets
-
- Target xdfc69f5afbb39afb797e228f76e91e24d84a1d2dc5bf06370f701b816680acb6.exe
- Size 1.7MB
- SHA256 dfc69f5afbb39afb797e228f76e91e24d84a1d2dc5bf06370f701b816680acb6
- MD5 47383613739e10d8a23d76850c391347
- SHA1 3fcfd4d5ca868f90681a43b35e0661d9125bc539
- SHA512 f46d28614ba4235ae064f558d564c1891f0ebeed70ce12ee76661941ef29916757045c83dc75ea59cc43076cda30ddae5ee26f693325f9a9dd1489c1ba7ad713
- SSDEEP 49152:ckQTAzIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3scD:caJuRD9JdOR4m+lmY/4rx8cD
- TLSH T1378523197181D333C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Family: DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
-
Modifies WinLogon for persistence
-
Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
-
UAC bypass
-
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
-
Adds Run key to start application
-
Checks whether UAC is enabled
-
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