xworm | 0f718358318b1b07114584ce2ae06230ad5d79ba15be9daf7350b51e5250bfb8

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
14/08/2026, 12:02

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General

Target
XClient.exe
Size 180KB
Sample260814-n7h6casekh
SHA256 0f718358318b1b07114584ce2ae06230ad5d79ba15be9daf7350b51e5250bfb8
MD5 4ac764ab18cc3569bea4c1276c56570e
SHA1 810b1f3f08e06a05a92d90cb39705d4944a482c6
SHA512 803248253ce2fe57278dd267b5724608f0a415a711691ec959c33e735850bfe962cb4ac3a78b82f6559bc895902a5342c07f99e15cfb6eec547c7c6944c95441
SSDEEP 1536:s8ayt9Pov4YCB4mnvyx2SusOoxU3bG++ObX6oBCUOi66MEq:EytBu4nvysWebGq3Oi6zEq
TLSH
T1B504E3CB2E9546B7D7ADFA7018B3733D432BA93E6BC39E0EA48B3D49173254C8940195
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution xworm persistence privilege_escalation rat trojan

Malware Config

Extracted

Family

xworm

Version

Attributes

Install_directory
%AppData%
install_file
USB.exe
localhost
127.0.0.1

Signatures

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

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/4616-0-0x0000000000CC0000-0x0000000000CF2000-memory.dmp	family_xworm
behavioral1/files/0x00070000000245f0-38.dat	family_xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4596	powershell.exe
1160	powershell.exe
4576	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation	XClient.exe

Creates a file in the Startup directory 1 TTPs 2 IoCs

A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

persistence privilege_escalation

Registry Run Keys / Startup Folder

T1547.001

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	XClient.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	XClient.exe

Executes dropped EXE 2 IoCs

pid	Process
4568	XClient.exe
4544	XClient.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe"	XClient.exe

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
4	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1876	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4616	XClient.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4596	powershell.exe
4596	powershell.exe
1160	powershell.exe
1160	powershell.exe
4576	powershell.exe
4576	powershell.exe
4616	XClient.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4616	XClient.exe
Token: SeDebugPrivilege	4596	powershell.exe
Token: SeDebugPrivilege	1160	powershell.exe
Token: SeDebugPrivilege	4576	powershell.exe
Token: SeDebugPrivilege	4616	XClient.exe
Token: SeDebugPrivilege	4568	XClient.exe
Token: SeDebugPrivilege	4544	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4616	XClient.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 4596	4616	XClient.exe	86
PID 4616 wrote to memory of 1160	4616	XClient.exe	88
PID 4616 wrote to memory of 4576	4616	XClient.exe	90
PID 4616 wrote to memory of 1876	4616	XClient.exe	92

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\XClient.exe
"C:\Users\Admin\AppData\Local\Temp\XClient.exe"
1⤵
- Checks computer location settings
- Creates a file in the Startup directory
- Adds Run key to start application
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4616
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4596
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1160
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4576
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XClient" /tr "C:\Users\Admin\AppData\Roaming\XClient.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1876

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4568

C:\Users\Admin\AppData\Roaming\XClient.exe
C:\Users\Admin\AppData\Roaming\XClient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4544

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

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

XClient.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\XClient.exe.log
Size 654B
SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
MD5 2ff39f6c7249774be85fd60a8f9a245e
SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
TLSH
T1D9F0DD242221E1C489127F111C0D2A4452BF4797B760EE0C7554529FD8312275F203E7
MD5 SHA1 SHA512 TLSH

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
TLSH
T1CE51EE323375B1E888167F071E681A8053BF4355EA94AF1CB698621ED93641B9F222F3
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 b747c644e6479e6e921d09626c68d2df0d33d2a707f9432e5fc1b138e6c9387d
MD5 3f0db2be09ea50e93f81f83a58fdc049
SHA1 862883227880dde307538079454109d35f39723e
SHA512 a7f4644e8f4a0dd59f47645ba7afe312c9e714f923019add5cddf6491f3466731abd66c854bdaa497c0f162c1ae08df5c6506e2171ec9d74ae5c9ffcd69f0773
TLSH
T19C112223F38D8921CC96163A509DAC5172B586CB81AEDF9F7FC0D210A1BF584CBA1294
MD5 SHA1 SHA512 TLSH

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 7b908b1ad1a6c2286f333eaf3efd295ea810e6e143c0ab9a32d4d54a09cf83b6
MD5 8d136e36d3eb1ef8f1edfae2d47a7a91
SHA1 a62cd96a8061fa9c2ff9647f02b3e6426ea2797f
SHA512 865f42763f88e0b540421ab986ec73c23b0607928f9bf5eb2cc4ed0b835c56186a43e2c3967889dc4cb18b6da74e203125bb1c63049eb0d003cd2c8331f6d755
TLSH
T10E112227F38C89A0CC86163A509DAC5172B696CB81AEDF9F7FC0C210E1AF584CB611A4
MD5 SHA1 SHA512 TLSH

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__PSScriptPolicyTest_zpwggx13.itj.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zpwggx13.itj.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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XClient.exe

Path C:\Users\Admin\AppData\Roaming\XClient.exe
Size 180KB
SHA256 0f718358318b1b07114584ce2ae06230ad5d79ba15be9daf7350b51e5250bfb8
MD5 4ac764ab18cc3569bea4c1276c56570e
SHA1 810b1f3f08e06a05a92d90cb39705d4944a482c6
SHA512 803248253ce2fe57278dd267b5724608f0a415a711691ec959c33e735850bfe962cb4ac3a78b82f6559bc895902a5342c07f99e15cfb6eec547c7c6944c95441
SSDEEP 1536:s8ayt9Pov4YCB4mnvyx2SusOoxU3bG++ObX6oBCUOi66MEq:EytBu4nvysWebGq3Oi6zEq
TLSH
T1B504E3CB2E9546B7D7ADFA7018B3733D432BA93E6BC39E0EA48B3D49173254C8940195
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4596-4-0x000002CA21770000-0x000002CA21780000-memory.dmp

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memory/4596-3-0x000002CA21770000-0x000002CA21780000-memory.dmp

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memory/4596-12-0x000002CA217C0000-0x000002CA217E2000-memory.dmp

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memory/4616-0-0x0000000000CC0000-0x0000000000CF2000-memory.dmp

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memory/4616-1-0x000000001B960000-0x000000001B970000-memory.dmp

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memory/4616-2-0x000000001B960000-0x000000001B970000-memory.dmp

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