Analysis
- max time kernel
148s - max time network
129s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
10/11/2026, 22:54
General
- Target kasmr-obs-1.1.0-windows-x64-Installer.exe
- Size 2.4MB
- Sample261110-2vxpvsdx3s
- SHA256 14aec6eeae292cb65cd904644dbe55d02ca0967f20be3ec0858a342b187692c9
Score
7/10
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\kasmr-obs-1.1.0-windows-x64-Installer.exe"C:\Users\Admin\AppData\Local\Temp\kasmr-obs-1.1.0-windows-x64-Installer.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-AQBQ51YMEY.tmp\kasmr-obs-1.1.0-windows-x64-Installer.tmp"C:\Users\Admin\AppData\Local\Temp\is-AQBQ51YMEY.tmp\kasmr-obs-1.1.0-windows-x64-Installer.tmp" /SL5="$4011A,1337985,893952,C:\Users\Admin\AppData\Local\Temp\kasmr-obs-1.1.0-windows-x64-Installer.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
kasmr-obs-1.1.0-windows-x64-Installer.tmp
memory/2236-6-0x0000000000D10000-0x0000000000D11000-memory.dmp
memory/2236-12-0x0000000000D10000-0x0000000000D11000-memory.dmp
memory/2236-11-0x0000000000200000-0x000000000064C000-memory.dmp
memory/2236-14-0x0000000000200000-0x000000000064C000-memory.dmp
memory/2236-18-0x0000000000200000-0x000000000064C000-memory.dmp
memory/5948-0-0x0000000000150000-0x0000000000239000-memory.dmp
memory/5948-10-0x0000000000150000-0x0000000000239000-memory.dmp