General
- Target sample
- Size 6.8MB
- Sample251225-pbmdkawnez
- SHA256 129ff30adb0167bcc6d90c1d3908a7db5ee1568e2ce1bbf89070b20e86532fd0
- MD5 97450b014702e70ae963263bd1b78d1d
- SHA1 9251d5717a8ccc23f4cba8ffcb07524de84ae3ff
- SHA512 58486e2ed02a26c41428428459793b1924d2e6cbd198825ff19c28301dca7a887be6c81ac357efc3aa8f818de4d9e60111843ed8a48ee8c9d8dd1b6761d081b5
- SSDEEP 49152:mT6JiKa9tUFHS/NHv+BtkRYh4yxgV3eHT0KL5WBXMqOFL4Uwmm+sDhqivVXRz+Vq:mmrpS/d31m0S5W97erq1qEKZZeNEUD
- MD5 SHA1 SHA512 SSDEEP
Behavioral task
behavioral1
Sample
sample.exe
Resource
win10v2004-20251223-en
Behavioral task
behavioral2
Sample
sample.exe
Resource
win11-20251223-en
Malware Config
Extracted
-
ps1
-
exe.dropper
https://github.com/BtbN/ffmpeg-builds/releases/download/latest/ffmpeg-master-latest-win64-gpl.zip
Extracted
-
ps1
-
exe.dropper
https://www.gyan.dev/ffmpeg/builds/ffmpeg-release-essentials.zip
Extracted
-
ps1
-
exe.dropper
https://ffmpeg.org/releases/ffmpeg-6.0-full_build.zip
Extracted
-
ps1
-
exe.dropper
https://github.com/BtbN/ffmpeg-builds/releases/download/latest/ffmpeg-master-latest-win64-gpl.zip
Targets
-
- Target sample
- Size 6.8MB
- SHA256 129ff30adb0167bcc6d90c1d3908a7db5ee1568e2ce1bbf89070b20e86532fd0
- MD5 97450b014702e70ae963263bd1b78d1d
- SHA1 9251d5717a8ccc23f4cba8ffcb07524de84ae3ff
- SHA512 58486e2ed02a26c41428428459793b1924d2e6cbd198825ff19c28301dca7a887be6c81ac357efc3aa8f818de4d9e60111843ed8a48ee8c9d8dd1b6761d081b5
- SSDEEP 49152:mT6JiKa9tUFHS/NHv+BtkRYh4yxgV3eHT0KL5WBXMqOFL4Uwmm+sDhqivVXRz+Vq:mmrpS/d31m0S5W97erq1qEKZZeNEUD
- MD5 SHA1 SHA512 SSDEEP
Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
Detects SpecRAT payload
Modifies WinLogon for persistence
Modifies Windows Defender Real-time Protection settings
Specrat family
UAC bypass
Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Possible privilege escalation attempt
Drops startup file
Executes dropped EXE
Modifies file permissions
Adds Run key to start application
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
2Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
3Windows Service
3Scheduled 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
1Create or Modify System Process
3Windows Service
3Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
1Impair Defenses
4Disable or Modify Tools
4Modify Registry
8Subvert Trust Controls
1Install Root Certificate
1