Analysis
- user interaction
yes - max time kernel
0s - max time network
2s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
03/10/2026, 14:30
Errors
Reason
Machine shutdown
General
- Target Smil.exe
- Size 365KB
- Sample261003-rvmjsastdv
- SHA256 f534bb9d7cc4c0f8abf8adcc592a328a64a902211ab66bafd9a0c7a333e86a20
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of WriteProcessMemory 1 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\Smil.exe"C:\Users\Admin\AppData\Local\Temp\Smil.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /F /TN "MasonMBR" /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\\MasonMBR.exe" /RL HIGHEST2⤵
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\MasonSmil.exe"C:\Users\Admin\AppData\Local\Temp\MasonSmil.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\MasonMBR.exeC:\Users\Admin\AppData\Local\Temp\\MasonMBR.exe1⤵
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x500 0x4181⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
MasonMBR.exe
MasonSmil.exe
tmpBD70.tmp
memory/1220-18-0x0000000000E30000-0x0000000000E5E000-memory.dmp
memory/1220-21-0x00000000057B0000-0x00000000057C0000-memory.dmp
memory/1220-25-0x00000000064A0000-0x0000000006532000-memory.dmp
memory/3316-0-0x0000000000B50000-0x0000000000BB0000-memory.dmp
memory/3316-1-0x000000001BA30000-0x000000001BA40000-memory.dmp
memory/3316-2-0x0000000002C30000-0x0000000002C68000-memory.dmp