General
- Target a8eb68ed1d443959b4e0b4d66886ce01192d989b0c9016a32d9ab705cb4e8269.exe
- Size 1.1MB
- Sample261025-pgn5cav13p
- SHA256 a8eb68ed1d443959b4e0b4d66886ce01192d989b0c9016a32d9ab705cb4e8269
- MD5 25df8c46e6c294d62702eeb6d8a228d8
- SHA1 3040a1c5b725855cd5c942a21a7bbb0840af40bb
- SHA512 82cbfc88c740a1adb4d80fcb989355c0155a75e90faae0db44579d4a2dfaa8a6cb5d57d466266ffc942bb189c24efd1764ff33e427417be18cd7a1b27d1956e1
- SSDEEP 24576:U2G/nvxW3Ww0t7fSykY5JdXYAhbVba6jAkmk30IgYuvm:UbA307fSqJd3r730/+
- TLSH T190454A017E44CA12F0191633C2FF4A044BB4AC51AAA6E72B7EF9376E55123937D1DACB
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
a8eb68ed1d443959b4e0b4d66886ce01192d989b0c9016a32d9ab705cb4e8269.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
a8eb68ed1d443959b4e0b4d66886ce01192d989b0c9016a32d9ab705cb4e8269.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Targets
-
- Target a8eb68ed1d443959b4e0b4d66886ce01192d989b0c9016a32d9ab705cb4e8269.exe
- Size 1.1MB
- SHA256 a8eb68ed1d443959b4e0b4d66886ce01192d989b0c9016a32d9ab705cb4e8269
- MD5 25df8c46e6c294d62702eeb6d8a228d8
- SHA1 3040a1c5b725855cd5c942a21a7bbb0840af40bb
- SHA512 82cbfc88c740a1adb4d80fcb989355c0155a75e90faae0db44579d4a2dfaa8a6cb5d57d466266ffc942bb189c24efd1764ff33e427417be18cd7a1b27d1956e1
- SSDEEP 24576:U2G/nvxW3Ww0t7fSykY5JdXYAhbVba6jAkmk30IgYuvm:UbA307fSqJd3r730/+
- TLSH T190454A017E44CA12F0191633C2FF4A044BB4AC51AAA6E72B7EF9376E55123937D1DACB
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10-
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.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Adds Run key to start application
-
Executes a VBScript file via the Windows Script Host.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Visual Basic
1Windows Command Shell
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
1Scheduled Task/Job
1Scheduled Task
1