Analysis
- user interaction
yes - max time kernel
2s - max time network
4s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260130-en - resource tags
- submitted
20/04/2026, 15:32
Errors
Reason
Machine shutdown
General
- Target MasonMBR.exe
- Size 93KB
- Sample260420-sypc8aas7s
- SHA256 190e70e1df7f1b7b526c557c0ef0da3b67d3da130a56dc52666a65266b8146af
Score
6/10
Malware Config
Signatures
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- 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 use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\MasonMBR.exe"C:\Users\Admin\AppData\Local\Temp\MasonMBR.exe"1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken