Analysis
- max time kernel
92s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
17/04/2024, 16:36
General
- Target npp.8.6.3.portable.x64/updater/GUP.exe
- Size 818KB
- Sample240417-t384vsfe75
- SHA256 d056ae6e45a62a86199dcc7d0c696469374253fba05a45c877caf28b0b897df3
Score
6/10
Malware Config
Signatures
- Downloads MZ/PE file
- 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 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\npp.8.6.3.portable.x64\updater\GUP.exe"C:\Users\Admin\AppData\Local\Temp\npp.8.6.3.portable.x64\updater\GUP.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\npp.8.6.5.Installer.exe"C:\Users\Admin\AppData\Local\Temp\npp.8.6.5.Installer.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
npp.8.6.5.Installer.exe
InstallOptions.dll
LangDLL.dll
System.dll
ioSpecial.ini