Analysis
- max time kernel
898s - max time network
515s - platform
windows10-ltsc_2021_x64 - resource
win10ltsc2021-20260911-en - resource tags
arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows - submitted
26/10/2026, 16:26
Behavioral task
behavioral1
Sample
W.e.e.DClient.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
W.e.e.DClient.exe
Resource
win10ltsc2021-20260911-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-txxtmsf17l
- 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 behavioral2/memory/576-0-0x0000000000F60000-0x0000000000F6E000-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 3000 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 1108 timeout.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 576 W.e.e.DClient.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 576 wrote to memory of 3000 576 W.e.e.DClient.exe 91 PID 3000 wrote to memory of 1108 3000 cmd.exe 93
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:576 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4700.tmp.bat""2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:1108
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp4700.tmp.bat
- Size 165B
- SHA256 69edcb98f712b40cd0275e8b5557f29617fc3f88d03d0a93f36cd029a089d379
- MD5 d67a7484bef293f9942b167f82ee36dd
- SHA1 1b1343d70471da03027238ef1925416a462efbc0
- SHA512 1c8fbd7f0289af21bbf323a55c854d2667e680a26003cb776088b26ead6b62a6d6746e9a315a3ed228f0c4e62a03f342d32cef1ccc4a3873c80c765cf54e4978
- TLSH T10DC0804055C9FA15150574171177C1CDD0B65C593E416B5053544009544189CE5F4345
- MD5 SHA1 SHA512 TLSH