Analysis
- max time kernel
163s - max time network
173s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
06/03/2024, 18:36
General
- Target b818acf6a51a91a83f8bd4e7d1e24037.exe
- Size 1.1MB
- Sample240306-w9a7hsfc78
- SHA256 cfff740deedb5ada5d8f8d9894353748e5a7f68da7ced23345802283ba322280
Score
10/10
Malware Config
Signatures
- Ardamax
A keylogger first seen in 2013.
- Ardamax main executable 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in System32 directory 6 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 4 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b818acf6a51a91a83f8bd4e7d1e24037.exe"C:\Users\Admin\AppData\Local\Temp\b818acf6a51a91a83f8bd4e7d1e24037.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\QTHVON\RJN.exe"C:\Windows\system32\QTHVON\RJN.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
AKV.exe
RJN.001
RJN.002
RJN.004
RJN.exe
memory/3704-16-0x0000000000690000-0x0000000000691000-memory.dmp
memory/3704-18-0x0000000000690000-0x0000000000691000-memory.dmp