Analysis
- max time kernel
148s - max time network
141s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
07/11/2026, 12:09
General
- Target NativeOfficeSetup.exe
- Size 3.1MB
- Sample261107-pbrchsbv4w
- SHA256 a440dedda4a70649aaf15573b52867ae3bdf240ad997e4f647901c98dc49b0c6
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\NativeOfficeSetup.exe"C:\Users\Admin\AppData\Local\Temp\NativeOfficeSetup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-1SEAC4FAZ9.tmp\NativeOfficeSetup.tmp"C:\Users\Admin\AppData\Local\Temp\is-1SEAC4FAZ9.tmp\NativeOfficeSetup.tmp" /SL5="$400A6,1273809,904704,C:\Users\Admin\AppData\Local\Temp\NativeOfficeSetup.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
NativeOfficeSetup.tmp
_is7z.dll
memory/2904-6-0x0000000003340000-0x0000000003341000-memory.dmp
memory/2904-15-0x0000000003340000-0x0000000003341000-memory.dmp
memory/2904-14-0x0000000000920000-0x0000000000E0E000-memory.dmp
memory/4052-0-0x0000000000D70000-0x0000000000E5B000-memory.dmp
memory/4052-13-0x0000000000D70000-0x0000000000E5B000-memory.dmp