Analysis
- max time kernel
148s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
25/09/2026, 18:32
General
- Target OptiPC-Setup-1.0.0.exe
- Size 2.5MB
- Sample260925-w65lysvs3k
- SHA256 4b72c66c002d60b9c5d213bd09a7e12c79c3e593ce0fa3efe7301f49f7050919
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\OptiPC-Setup-1.0.0.exe"C:\Users\Admin\AppData\Local\Temp\OptiPC-Setup-1.0.0.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-H9T45VYTKN.tmp\OptiPC-Setup-1.0.0.tmp"C:\Users\Admin\AppData\Local\Temp\is-H9T45VYTKN.tmp\OptiPC-Setup-1.0.0.tmp" /SL5="$400B4,1303094,1014272,C:\Users\Admin\AppData\Local\Temp\OptiPC-Setup-1.0.0.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
OptiPC-Setup-1.0.0.tmp
memory/1380-7-0x0000000000410000-0x0000000000517000-memory.dmp
memory/1380-0-0x0000000000410000-0x0000000000517000-memory.dmp
memory/5844-15-0x0000000000A00000-0x0000000000E69000-memory.dmp
memory/5844-19-0x0000000000A00000-0x0000000000E69000-memory.dmp
memory/5844-8-0x0000000000A00000-0x0000000000E69000-memory.dmp
memory/5844-11-0x0000000000A00000-0x0000000000E69000-memory.dmp
memory/5844-13-0x0000000000A00000-0x0000000000E69000-memory.dmp
memory/5844-6-0x0000000001450000-0x0000000001451000-memory.dmp
memory/5844-17-0x0000000000A00000-0x0000000000E69000-memory.dmp
memory/5844-9-0x0000000001450000-0x0000000001451000-memory.dmp
memory/5844-21-0x0000000000A00000-0x0000000000E69000-memory.dmp
memory/5844-23-0x0000000000A00000-0x0000000000E69000-memory.dmp
memory/5844-25-0x0000000000A00000-0x0000000000E69000-memory.dmp
memory/5844-27-0x0000000000A00000-0x0000000000E69000-memory.dmp
memory/5844-29-0x0000000000A00000-0x0000000000E69000-memory.dmp
memory/5844-31-0x0000000000A00000-0x0000000000E69000-memory.dmp
memory/5844-33-0x0000000000A00000-0x0000000000E69000-memory.dmp
memory/5844-35-0x0000000000A00000-0x0000000000E69000-memory.dmp