Analysis
- user interaction
yes - max time kernel
30s - max time network
32s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260513-en - resource tags
- submitted
24/07/2026, 01:01
General
- Target MuChild_1.0.exe
- Size 3.7MB
- Sample260724-bdd83sel6s
- SHA256 8fb77218c70e26777fd5414e661611273b597efb3bc16eab321f41ac9245db5e
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Drops desktop.ini file(s) 2 IoCs
- Drops file in Program Files directory 8 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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. 3 IoCs
Inno Setup installer
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MuChild_1.0.exe"C:\Users\Admin\AppData\Local\Temp\MuChild_1.0.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-9PK1N.tmp\MuChild_1.0.tmp"C:\Users\Admin\AppData\Local\Temp\is-9PK1N.tmp\MuChild_1.0.tmp" /SL5="$6029A,3107090,832512,C:\Users\Admin\AppData\Local\Temp\MuChild_1.0.exe"2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Desktop.ini
MuChild_1.0.tmp
memory/4712-0-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/4712-7-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/4712-30-0x0000000000400000-0x00000000004D8000-memory.dmp
memory/4800-5-0x0000000000BE0000-0x0000000000BE1000-memory.dmp
memory/4800-9-0x0000000000BE0000-0x0000000000BE1000-memory.dmp
memory/4800-8-0x0000000000400000-0x000000000071B000-memory.dmp
memory/4800-11-0x0000000000400000-0x000000000071B000-memory.dmp
memory/4800-29-0x0000000000400000-0x000000000071B000-memory.dmp