Analysis
- max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
11/08/2026, 05:17
General
- Target e2e4753407066bf1c9ed357d5f0bd563518ef44ca0850997cd3193f8bd3b8b3a.exe
- Size 87.3MB
- Sample260811-fy3vdsgn21
- SHA256 e2e4753407066bf1c9ed357d5f0bd563518ef44ca0850997cd3193f8bd3b8b3a
Malware Config
Extracted
-
xworm
-
bore.pub:47157
-
fmqnd2ytj4.localto.net:47157
-
CrazyRT-47157.portmap.host:47157
-
crbht1zwhi.localto.net:47157
-
Mauart-12-42487.portmap.host:47157
-
ovutroph1n.localto.net:47157
-
Install_directory
%AppData%
-
install_file
system64.exe
Signatures
- Family: Xworm
Xworm is a remote access trojan written in C#.
- Detect Xworm Payload 2 IoCs
- Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Creates new service(s) 2 TTPs
- Executes dropped EXE 5 IoCs
- Loads dropped DLL 48 IoCs
- Stops running service(s) 4 TTPs
- Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 2 IoCs
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Launches sc.exe 4 IoCs
Sc.exe is a Windows utlilty to control services on the 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e2e4753407066bf1c9ed357d5f0bd563518ef44ca0850997cd3193f8bd3b8b3a.exe"C:\Users\Admin\AppData\Local\Temp\e2e4753407066bf1c9ed357d5f0bd563518ef44ca0850997cd3193f8bd3b8b3a.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Client.exe"C:\Users\Admin\AppData\Local\Temp\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Monor.exe"C:\Users\Admin\AppData\Local\Temp\Monor.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
-
C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe delete "OBSZVPDD"3⤵
- Launches sc.exe
-
-
C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe create "OBSZVPDD" binpath= "C:\ProgramData\amijjciovnqo\pcyvtszflbor.exe" start= "auto"3⤵
- Launches sc.exe
-
-
C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe stop eventlog3⤵
- Launches sc.exe
-
-
C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start "OBSZVPDD"3⤵
- Launches sc.exe
-
-
-
C:\Users\Admin\AppData\Local\Temp\skstealer.exe"C:\Users\Admin\AppData\Local\Temp\skstealer.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\skstealer.exe"C:\Users\Admin\AppData\Local\Temp\skstealer.exe"3⤵
- Creates a file in the Startup directory
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SYSTEM32\getmac.exegetmac4⤵
-
-
-
-
C:\ProgramData\amijjciovnqo\pcyvtszflbor.exeC:\ProgramData\amijjciovnqo\pcyvtszflbor.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\conhost.exeC:\Windows\system32\conhost.exe2⤵
-
-
C:\Windows\system32\svchost.exesvchost.exe2⤵
-
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Replay Monitor
Loading Replay Monitor...
Downloads
Client.exe
Monor.exe
VCRUNTIME140.dll
VCRUNTIME140_1.dll
_bz2.pyd
_ctypes.pyd
_hashlib.pyd
_lzma.pyd
_queue.pyd
_socket.pyd
_sqlite3.pyd
_ssl.pyd
_wmi.pyd
_zstd.pyd
base_library.zip
md.cp314-win_amd64.pyd
md__mypyc.cp314-win_amd64.pyd
libcrypto-3.dll
libffi-8.dll
libssl-3.dll
_psutil_windows.pyd
python3.DLL
python314.dll
pythoncom314.dll
pywintypes314.dll
select.pyd
Lorem ipsum.txt
sqlite3.dll
ucrtbase.dll
unicodedata.pyd
win32api.pyd
memory/1660-1220-0x0000000140000000-0x0000000140848000-memory.dmp
memory/1660-1219-0x0000000140000000-0x0000000140848000-memory.dmp
memory/1660-1221-0x0000000140000000-0x0000000140848000-memory.dmp
memory/4120-15-0x0000000000940000-0x000000000095A000-memory.dmp
memory/5124-1215-0x0000000140000000-0x000000014000D000-memory.dmp
memory/5124-1216-0x0000000140000000-0x000000014000D000-memory.dmp
memory/5124-1214-0x0000000140000000-0x000000014000D000-memory.dmp
memory/5124-1213-0x0000000140000000-0x000000014000D000-memory.dmp
memory/5124-1212-0x0000000140000000-0x000000014000D000-memory.dmp
memory/5956-28-0x0000000000400000-0x0000000005B58000-memory.dmp