Analysis
- max time kernel
145s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
08/06/2024, 11:42
General
- Target virussign.com_67df5cf946740d2f43f8c2eb8d703110.exe
- Size 111KB
- Sample240608-nvhztabc7w
- SHA256 0ab785c02dfa299e3d713f62e0cb40541f6afd9e3f3fabfd1cd614c9d08961cb
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\virussign.com_67df5cf946740d2f43f8c2eb8d703110.exe"C:\Users\Admin\AppData\Local\Temp\virussign.com_67df5cf946740d2f43f8c2eb8d703110.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Graphics\guifx.exe"C:\ProgramData\Graphics\guifx.exe" /run2⤵
- Executes dropped EXE
-
-
C:\windows\SysWOW64\cmd.exe"C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\virussign.com_67df5cf946740d2f43f8c2eb8d703110.exe" >> NUL2⤵
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
guifx.exe
memory/3692-5-0x0000000000110000-0x000000000012C000-memory.dmp
memory/3800-0-0x0000000000790000-0x00000000007AC000-memory.dmp
memory/3800-6-0x0000000000790000-0x00000000007AC000-memory.dmp
memory/3800-7-0x0000000000790000-0x00000000007AC000-memory.dmp