Analysis
- max time kernel
149s - max time network
144s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
16/09/2026, 16:07
General
- Target systemm.exe
- Size 7.2MB
- Sample260916-tk3jcssfph
- 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\ktoaai.exe"C:\Users\Admin\AppData\Local\Temp\ktoaai.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
-
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x00000000000004D8 0x00000000000004E01⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
ktoaai.exe
XWorm V3.0.exe
system.exe
memory/860-25-0x000001E3630D0000-0x000001E3637FA000-memory.dmp
memory/860-27-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/860-32-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/860-30-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/860-29-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/860-37-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/860-28-0x000001E3012D0000-0x000001E301DE6000-memory.dmp
memory/1096-14-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/1096-26-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/1096-0-0x00007FF9DC1DF000-0x00007FF9DC1E0000-memory.dmp
memory/1096-5-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/1096-20-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/1096-2-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/1096-4-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/1096-1-0x0000000000310000-0x0000000000A44000-memory.dmp
memory/3276-52-0x0000000005560000-0x00000000055F2000-memory.dmp
memory/3276-51-0x00000000009A0000-0x00000000009EE000-memory.dmp
memory/4424-13-0x0000000000C70000-0x0000000000C7E000-memory.dmp
memory/4424-36-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4424-38-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4424-41-0x0000000001580000-0x000000000158A000-memory.dmp
memory/4424-35-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4424-31-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp
memory/4424-21-0x00007FF9DC050000-0x00007FF9DC9F4000-memory.dmp