xworm | b108e3de56e366a7173417771b259446abd0dc924f066fc079f8e2159e932d76

Analysis

user interaction
yes
max time kernel
150s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/11/2026, 14:04

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General

Target
XClient.exe
Size 34KB
Sample261107-rdbqysfb38
SHA256 b108e3de56e366a7173417771b259446abd0dc924f066fc079f8e2159e932d76
MD5 e8e316bb14d5dbe1de961a2a54eef375
SHA1 c6b5b685d20c1c6b8314e226e0ade8f6b28fefcc
SHA512 369d429dc2085396cd30f2f38ffa25c5f4639b2d9a84c1867ec000658e1574d68e64e1c33d8667e8baf200bd00f63c903e550f122302e882876b952d989766d0
SSDEEP 384:x23L1qrqdy/pt/sQAcdD5buIXx/Lrqe04aYpme5KzDz58gtFyeBLTaRZwSJyjKK0:d6cp5xjr7XpWXLFy+9P16OjhYyPN7C1
TLSH
T199F24A4873914366D5ED5FB569B3A20202B9F6079C17EB4E0CD8899B7F77BC109023E6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

Mutex

xjeiQUv8WsX1SxlO

Attributes

Install_directory
%Temp%
install_file
USB.exe
localhost
127.0.0.1

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
behavioral2/memory/1552-1-0x00000000007D0000-0x00000000007DE000-memory.dmp	family_xworm

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.

discovery

Internet Connection Discovery

T1016.001

flow	ioc
1	ip-api.com

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\LogFiles\WMI\FaceTelManually.etl	svchost.exe
File opened for modification	C:\WINDOWS\SYSTEM32\WINBIODATABASE\51F39552-1075-4199-B513-0C10EA185DB0.DAT	svchost.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	XClient.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	XClient.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe

Modifies data under HKEY_USERS 7 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\NGC\SoftLockoutVolatileKey	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\SOFTWARE	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\NGC	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\NGC\SoftLockoutVolatileKey	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1552	XClient.exe
Token: SeShutdownPrivilege	2368	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3368	SecHealthUI.exe

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of AdjustPrivilegeToken
PID:1552

C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe
"C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe" -ServerName:SecHealthUI.AppX8tam42xc7v2czs3s1nt0nkxvfjtepzp9.mca
1⤵
- Suspicious use of SetWindowsHookEx
PID:3368

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
1⤵
PID:4752

C:\Windows\System32\SecurityHealthHost.exe
\\?\C:\Windows\System32\SecurityHealthHost.exe {E041C90B-68BA-42C9-991E-477B73A75C90} -Embedding
1⤵
PID:6120

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:2640

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k WbioSvcGroup -s WbioSrvc
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:2368

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:708

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
1⤵
- Modifies data under HKEY_USERS
PID:1668

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1552-0-0x00007FFFED53F000-0x00007FFFED540000-memory.dmp

Download

memory/1552-1-0x00000000007D0000-0x00000000007DE000-memory.dmp

Download

memory/1552-2-0x00007FFFED3B0000-0x00007FFFEDD54000-memory.dmp

Download

memory/1552-3-0x00007FFFED3B0000-0x00007FFFEDD54000-memory.dmp

Download

memory/1552-4-0x00007FFFED3B0000-0x00007FFFEDD54000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads