Analysis
- max time kernel
120s - max time network
121s - platform
windows7_x64 - resource
win7-20240221-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
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 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 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\virussign.com_67df5cf946740d2f43f8c2eb8d703110.exe"C:\Users\Admin\AppData\Local\Temp\virussign.com_67df5cf946740d2f43f8c2eb8d703110.exe"1⤵
- Loads dropped DLL
- 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⤵
- Deletes itself
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
guifx.exe
memory/1848-1-0x0000000000DB0000-0x0000000000DCC000-memory.dmp
memory/1848-6-0x00000000000F0000-0x000000000010C000-memory.dmp
memory/1848-8-0x00000000000F0000-0x000000000010C000-memory.dmp
memory/1848-10-0x0000000000DB0000-0x0000000000DCC000-memory.dmp
memory/1856-7-0x0000000000EF0000-0x0000000000F0C000-memory.dmp
memory/1856-9-0x0000000000EF0000-0x0000000000F0C000-memory.dmp