Analysis
- max time kernel
898s - max time network
490s - platform
windows11-21h2_x64 - resource
win11-20260911-en - resource tags
arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
26/10/2026, 16:29
Behavioral task
behavioral1
Sample
W.e.e.DClient.exe
Resource
win10ltsc2021-20260911-en
Behavioral task
behavioral2
Sample
W.e.e.DClient.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral3
Sample
W.e.e.DClient.exe
Resource
win11-20260911-en
Behavioral task
behavioral4
Sample
W.e.e.DClient.exe
Resource
win11ltsc2024-20260911-en
General
- Target W.e.e.DClient.exe
- Size 30KB
- Sample261026-tzjpssbe27
- SHA256 37ad2b40a05294d9c1a6a335758e18050feee5efa06a129c250298861fb55f42
- MD5 870844f2b5d2afc6ca551c7fe8d1497e
- SHA1 05acd87c4a60a1a0e3d256362d69ccb9dffde3ad
- SHA512 4a4ef2f6c87dc0787da999dfbfb578d427da9cdbc6d73817c0ee34ccd909b42919edbc8c86f6c70cdddfd580cfed34c69849949b6f3992e580d2ea5c4b3f5292
- SSDEEP 384:VuYN2Q1Cefba10FW+WvbG+LZzEI/0hYACSqRFYjI2uRugtFuBLTIOZw/WVnvn9Iz:m6a1lhb77/MYAoRFT2uBFE9RcOqh8bA
- TLSH T167E23C483BE8432BD6FF2FF228B6910102759507D923DF9E5CD895AB6F67B8146003E6
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
xworm
-
28.tcp.cpolar.top:11573
-
T88ZqtYgi37bGCO8
-
install_file
USB.exe
Signatures
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral3/memory/3208-0-0x0000000000DD0000-0x0000000000DDE000-memory.dmp family_xworm - Enumerates video capture drivers 2 TTPs 1 IoCs
Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32\msvideo9 W.e.e.DClient.exe - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 4624 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname W.e.e.DClient.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain W.e.e.DClient.exe - Delays execution with timeout.exe 1 IoCs
pid Process 2304 timeout.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3208 W.e.e.DClient.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3208 wrote to memory of 4624 3208 W.e.e.DClient.exe 84 PID 4624 wrote to memory of 2304 4624 cmd.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\W.e.e.DClient.exe"C:\Users\Admin\AppData\Local\Temp\W.e.e.DClient.exe"1⤵
- Enumerates video capture drivers
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3208 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3527.tmp.bat""2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4624 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:2304
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp3527.tmp.bat
- Size 165B
- SHA256 1d28a66b6b21464ec429cdbc8f53fc1320817212f2e6db4cd9b8e2f0d8ed7b4d
- MD5 1a71ca424f72c1862d0d3d512e13d241
- SHA1 6e8fe55fc2872321a7844f50d4e6fb2c092cc820
- SHA512 213875819e921efaa814ba4eb0cf6bb0bfd5d42d98cab05af76428d38926d38e4cba50f904b7fc7ee860e46c9c13b840250c8a6f8cec1c65aa0839b78b68f92f
- TLSH T1EFC08C40A5CAFA6A190AB42702B6C08ED0BA6C5A2E426B50A79880086982C9CE5F8385
- MD5 SHA1 SHA512 TLSH