Analysis
- max time kernel
149s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
16/09/2026, 15:58
General
- Target systemm.exe
- Size 7.2MB
- Sample260916-tex2pasfjd
- SHA256 8b8863c9714248efbb2131e82e53c30a5627c4e051c98fe758caa22f1b3985d8
Malware Config
Extracted
-
xworm
-
3.0
-
82.47.101.153:7165
-
W5UazQxWqWYqnndf
-
install_file
USB.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 2 IoCs
- .NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
- Executes dropped EXE 3 IoCs
- 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.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 behavior: EnumeratesProcesses 24 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SendNotifyMessage 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\systemm.exe"C:\Users\Admin\AppData\Local\Temp\systemm.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\system.exe"C:\Users\Admin\AppData\Local\system.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ussavc.exe"C:\Users\Admin\AppData\Local\Temp\ussavc.exe"3⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
-
-
-
C:\Users\Admin\AppData\Local\XWorm V3.0.exe"C:\Users\Admin\AppData\Local\XWorm V3.0.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
-
-
C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004C8 0x00000000000004E41⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
ussavc.exe
XWorm V3.0.exe
system.exe
memory/3752-20-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/3752-25-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/3752-4-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/3752-13-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/3752-2-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/3752-1-0x0000000000620000-0x0000000000D54000-memory.dmp
memory/3752-0-0x00007FF9F076F000-0x00007FF9F0770000-memory.dmp
memory/3752-5-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/3752-26-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/4520-51-0x0000000000920000-0x000000000092C000-memory.dmp
memory/4520-52-0x0000000005950000-0x00000000059E2000-memory.dmp
memory/4600-24-0x0000012BA5450000-0x0000012BA5B7A000-memory.dmp
memory/4600-29-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/4600-36-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/4600-31-0x0000012BC2280000-0x0000012BC2D96000-memory.dmp
memory/4996-28-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/4996-35-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/4996-34-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/4996-37-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/4996-38-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/4996-42-0x0000000000DB0000-0x0000000000DBA000-memory.dmp
memory/4996-30-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/4996-27-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp
memory/4996-14-0x0000000000690000-0x000000000069E000-memory.dmp
memory/4996-56-0x00007FF9F05E0000-0x00007FF9F0F84000-memory.dmp