Analysis
- max time kernel
15s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
- submitted
08/07/2026, 00:02
Errors
General
- Target NahSmi.exe
- Size 921KB
- Sample260708-abvmlsg13q
- SHA256 c1aeab35f61f12db28274d82713bff400b808625854a18e49504022f92805e31
Malware Config
Signatures
- Executes dropped EXE 4 IoCs
- Drops file in System32 directory 2 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.
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\NahSmi.exe"C:\Users\Admin\AppData\Local\Temp\NahSmi.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\MBR2.exe"C:\Users\Admin\AppData\Local\Temp\MBR2.exe"2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\MatrixMBR.exe"C:\Windows\System32\MatrixMBR.exe"3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\GDI.exe"C:\Users\Admin\AppData\Local\Temp\GDI.exe"4⤵
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C:\Users\Admin\AppData\Local\Temp\MBR.exe"C:\Users\Admin\AppData\Local\Temp\MBR.exe"4⤵
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C:\Users\Admin\AppData\Local\Temp\TROLL5.exe"C:\Users\Admin\AppData\Local\Temp\TROLL5.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
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C:\Users\Admin\AppData\Local\Temp\TROLL2.exe"C:\Users\Admin\AppData\Local\Temp\TROLL2.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004E4 0x00000000000004D81⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
GDI.exe
MBR.exe
MBR2.exe
TROLL2.exe
TROLL5.exe
MatrixMBR.exe
memory/1512-2-0x000000001BB60000-0x000000001BC44000-memory.dmp
memory/1512-3-0x00007FF966FF0000-0x00007FF967994000-memory.dmp
memory/1512-7-0x00007FF966FF0000-0x00007FF967994000-memory.dmp
memory/1512-4-0x00007FF966FF0000-0x00007FF967994000-memory.dmp
memory/1512-0-0x00007FF96717F000-0x00007FF967180000-memory.dmp
memory/1512-39-0x00007FF966FF0000-0x00007FF967994000-memory.dmp
memory/1512-1-0x0000000000C70000-0x0000000000D5C000-memory.dmp
memory/2448-35-0x0000000000B10000-0x0000000000BC8000-memory.dmp
memory/2448-37-0x0000000005B60000-0x000000000611A000-memory.dmp
memory/2448-38-0x0000000005640000-0x00000000056D2000-memory.dmp
memory/2448-40-0x00000000055B0000-0x00000000055BA000-memory.dmp
memory/2448-41-0x0000000074872000-0x0000000074873000-memory.dmp
memory/2640-68-0x0000000000F30000-0x0000000000F38000-memory.dmp
memory/3836-44-0x0000000000400000-0x000000000041D000-memory.dmp
memory/5952-49-0x00007FF966FF0000-0x00007FF967994000-memory.dmp
memory/5952-54-0x00007FF966FF0000-0x00007FF967994000-memory.dmp
memory/5952-36-0x00007FF966FF0000-0x00007FF967994000-memory.dmp
memory/5952-33-0x00007FF966FF0000-0x00007FF967994000-memory.dmp
memory/5952-30-0x0000000000490000-0x00000000004CA000-memory.dmp
memory/6036-53-0x0000000000710000-0x0000000000756000-memory.dmp