Analysis
- max time kernel
150s - max time network
127s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
02/10/2026, 17:35
General
- Target SimSig Setup.exe
- Size 4.2MB
- Sample261002-v6gpfsscme
- SHA256 4a916d629066c2037940d415fa8b9ebd1770563f6f73f51c0e3be2e61306c0e0
Malware Config
Signatures
- Executes dropped EXE 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 WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SimSig Setup.exe"C:\Users\Admin\AppData\Local\Temp\SimSig Setup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-BBDRU.tmp\SimSig Setup.tmp"C:\Users\Admin\AppData\Local\Temp\is-BBDRU.tmp\SimSig Setup.tmp" /SL5="$4009E,3744830,780800,C:\Users\Admin\AppData\Local\Temp\SimSig Setup.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
SimSig Setup.tmp
memory/2484-16-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2484-22-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2484-36-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2484-10-0x0000000002460000-0x0000000002461000-memory.dmp
memory/2484-9-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2484-12-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2484-14-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2484-34-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2484-6-0x0000000002460000-0x0000000002461000-memory.dmp
memory/2484-18-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2484-20-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2484-24-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2484-26-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2484-28-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2484-30-0x0000000000400000-0x0000000000682000-memory.dmp
memory/2484-32-0x0000000000400000-0x0000000000682000-memory.dmp
memory/4524-0-0x0000000000400000-0x00000000004CC000-memory.dmp
memory/4524-8-0x0000000000400000-0x00000000004CC000-memory.dmp