Analysis
- max time kernel
898s - max time network
770s - 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, 16:22
Behavioral task
behavioral1
Sample
W.e.e.DClient.exe
Resource
win10ltsc2021-20260911-en
5 signatures
900 seconds
Behavioral task
behavioral2
Sample
W.e.e.DClient.exe
Resource
win10v2004-20260911-en
8 signatures
900 seconds
Behavioral task
behavioral3
Sample
W.e.e.DClient.exe
Resource
win11-20260911-en
8 signatures
900 seconds
General
- Target W.e.e.DClient.exe
- Size 30KB
- Sample261026-tvc2fsty7n
- 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
Family
-
xworm
C2
-
28.tcp.cpolar.top:11573
Mutex
-
T88ZqtYgi37bGCO8
Attributes
-
install_file
USB.exe
aes.plain
Signatures
- Detect Xworm Payload 1 IoCs
resource yara_rule behavioral3/memory/2564-0-0x00000000005B0000-0x00000000005BE000-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 908 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 1824 timeout.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2564 W.e.e.DClient.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2564 wrote to memory of 908 2564 W.e.e.DClient.exe 83 PID 908 wrote to memory of 1824 908 cmd.exe 85
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:2564 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp2DE7.tmp.bat""2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:908 -
C:\Windows\system32\timeout.exetimeout 33⤵
- Delays execution with timeout.exe
PID:1824
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\tmp2DE7.tmp.bat
- Size 165B
- SHA256 03b7573381de9399c8b1a1ad4cdf00eb846cbb2a98ec1e055ded82c917b91123
- MD5 2e3dc9df3c443f9fb56d625826cb4d0c
- SHA1 0b6bf5f922748a91da22f4a4244451b33214de7c
- SHA512 bdc4c3e5239e9671e5085d7ec351699188c49a78d56728a9e0a97c0d761f316a017f6f18832f2b3d207e9062012c2b396075f7980003537580a67863a38e6e1e
- TLSH T1D6C08C40B5CAFB2A294AB42702B6C09DD0BA6C5A2E417B6093988008688189CE5F8385
- MD5 SHA1 SHA512 TLSH