General
- Target xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
- Size 1.7MB
- Sample260603-ck4b8aas3n
- SHA256 e2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367
- MD5 a95103f124e6164adc18e951854b62f5
- SHA1 eed375f3284f9b8fd39d6c93904c7caddebe41ff
- SHA512 26756a7bdee8ddb138eac61674e0899f60b15568898e9ed94e2312aa0ac613fb4041f524bc54c68cd6612a8b60e25270d702f26e05d2220ebc25b7a289e4ba4f
- SSDEEP 49152:okQzAnIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3sca:o69uRD9JdOR4m+lmY/4rx8ca
- TLSH T1228523097181D333C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
- Size 1.7MB
- SHA256 e2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367
- MD5 a95103f124e6164adc18e951854b62f5
- SHA1 eed375f3284f9b8fd39d6c93904c7caddebe41ff
- SHA512 26756a7bdee8ddb138eac61674e0899f60b15568898e9ed94e2312aa0ac613fb4041f524bc54c68cd6612a8b60e25270d702f26e05d2220ebc25b7a289e4ba4f
- SSDEEP 49152:okQzAnIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3sca:o69uRD9JdOR4m+lmY/4rx8ca
- TLSH T1228523097181D333C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
- 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.
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