General
- Target Cryptic Release V1.4.exe
- Size 8.5MB
- Sample240620-clv28sshqb
- SHA256 f99d78317fe908e8f863563f5b8662c21185dd256120b534dd3a3a842557fc3c
- MD5 3be927d08df2f452185bc35ae5709617
- SHA1 e287ba2e481f3768678317e87099afdef4186294
- SHA512 89490ed120cb8f73359a0a8f2b47957fcd55631f6b61e8ee9a7363d7792ecb3cb012270071949fd903b73792b4c83adc331dd3a02998c8789bd6198b95ee4a5f
- SSDEEP 196608:BB8BYmuJfX5aL0o/gGuwDfsBJcXIsEIKcmc3FzVT9tdVX:B2YmqfX5yIFwATcXIsGVc1zVTjdV
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Cryptic Release V1.4.exe
Resource
win7-20240419-en
7 signatures
150 seconds
Malware Config
Extracted
Family
-
xworm
C2
-
91.92.241.69:5555
Attributes
-
Install_directory
%ProgramData%
-
install_file
Windows Runtime.exe
Targets
-
- Target Cryptic Release V1.4.exe
- Size 8.5MB
- SHA256 f99d78317fe908e8f863563f5b8662c21185dd256120b534dd3a3a842557fc3c
- MD5 3be927d08df2f452185bc35ae5709617
- SHA1 e287ba2e481f3768678317e87099afdef4186294
- SHA512 89490ed120cb8f73359a0a8f2b47957fcd55631f6b61e8ee9a7363d7792ecb3cb012270071949fd903b73792b4c83adc331dd3a02998c8789bd6198b95ee4a5f
- SSDEEP 196608:BB8BYmuJfX5aL0o/gGuwDfsBJcXIsEIKcmc3FzVT9tdVX:B2YmqfX5yIFwATcXIsGVc1zVTjdV
- MD5 SHA1 SHA512 SSDEEP
-
Detect Xworm Payload
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Downloads MZ/PE file
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops startup file
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Suspicious use of NtCreateThreadExHideFromDebugger
-
Suspicious use of NtSetInformationThreadHideFromDebugger
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
2Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1