xworm | 37ad2b40a05294d9c1a6a335758e18050feee5efa06a129c250298861fb55f42

Analysis

max time kernel
898s
max time network
515s
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, 16:26

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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

Score

10^/10

defense_evasion discovery execution xworm rat trojan

Malware Config

Extracted

Family

xworm

28.tcp.cpolar.top:11573

Mutex

T88ZqtYgi37bGCO8

Attributes

install_file
USB.exe

aes.plain

Signatures

Family: Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral3/memory/4192-0-0x00000000009E0000-0x00000000009EE000-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.

discovery defense_evasion

Peripheral Device Discovery

T1120

Video Capture

T1125

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.

execution

Windows Command Shell

T1059.003

pid	Process
3356	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.

discovery

System Network Configuration Discovery

T1016

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

defense_evasion

pid	Process
4136	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4192	W.e.e.DClient.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 3356	4192	W.e.e.DClient.exe	84
PID 3356 wrote to memory of 4136	3356	cmd.exe	86

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:4192
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5B91.tmp.bat""
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3356
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4136

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Video Capture

T1125

Command and Control

Exfiltration

Impact

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Downloads

tmp5B91.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp5B91.tmp.bat
Size 165B
SHA256 59a7f19317c3469a490f9d291c09566855ec7fb739f06852e8a2dd59fce53e79
MD5 b118ea9f222d8049dd7cc6f5274382a9
SHA1 8c2dd27e5d428cf49c90d045c12884d62fced888
SHA512 2dfd572c2ebca8becb3cf65e4662848ddb767fb0df4c66aa06730f4d89beefaaf071c953e549477151b37d83ec00b51a751d1439c9a26ebdc95fb3f71ba44b8a
TLSH
T101C08C41A5CAFA1A194AB46702B7C58ED0BA6C5E2E416B50A3988109688189CE5F9786
MD5 SHA1 SHA512 TLSH

Submit Download

memory/4192-0-0x00000000009E0000-0x00000000009EE000-memory.dmp

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memory/4192-1-0x000000001C250000-0x000000001C260000-memory.dmp

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memory/4192-2-0x000000001C250000-0x000000001C260000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads