Analysis
- max time kernel
150s - max time network
132s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
24/08/2026, 11:22
General
- Target GRSIMWrite4.4.7+/grsimwrite.exe
- Size 2.2MB
- Sample260824-ngxwtafp21
- SHA256 b179ff23e208e6b4c70e13468f7a7bf9c038b9f3d5080e9ba1e791840c6576d0
Malware Config
Signatures
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\GRSIMWrite4.4.7+\grsimwrite.exe"C:\Users\Admin\AppData\Local\Temp\GRSIMWrite4.4.7+\grsimwrite.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/5980-1-0x0000000000C90000-0x0000000000CCA000-memory.dmp
memory/5980-0-0x0000000000C60000-0x0000000000C8C000-memory.dmp
memory/5980-2-0x0000000000CD0000-0x0000000000CE3000-memory.dmp
memory/5980-3-0x00000000005C6000-0x00000000005C7000-memory.dmp
memory/5980-4-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-5-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-6-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-7-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-8-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-9-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-10-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-11-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-12-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-13-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-14-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-15-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-16-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-17-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-18-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-19-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-20-0x0000000000400000-0x0000000000694000-memory.dmp
memory/5980-21-0x0000000000400000-0x0000000000694000-memory.dmp