Analysis
- max time kernel
148s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
15/08/2026, 06:14
General
- Target gtw20.exe
- Size 1.6MB
- Sample260815-gzh22sec57
- SHA256 f173af0690a7f27844cde42844b810b86a8e9f12d9f45efb0b935b0f8eb776f8
Malware Config
Signatures
- Executes dropped EXE 2 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 Program Files directory 6 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 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. 3 IoCs
Inno Setup installer
- Suspicious use of FindShellTrayWindow 4 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\gtw20.exe"C:\Users\Admin\AppData\Local\Temp\gtw20.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-HT3B3.tmp\gtw20.tmp"C:\Users\Admin\AppData\Local\Temp\is-HT3B3.tmp\gtw20.tmp" /SL5="$400A0,1396006,53248,C:\Users\Admin\AppData\Local\Temp\gtw20.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\S5 Development\Generating The Web\gtw.exe"C:\Program Files (x86)\S5 Development\Generating The Web\gtw.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
DefaultText.txt
gtw.exe
gtw20.tmp
memory/3408-37-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/3408-14-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/3408-15-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/3408-18-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/3408-20-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/3408-8-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/3408-43-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/4816-16-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4816-0-0x000000000040D000-0x000000000040E000-memory.dmp
memory/4816-44-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4816-1-0x0000000000400000-0x0000000000414000-memory.dmp