Malware Analysis Report

2025-06-15 23:44

Sample ID 241109-1tyebswlbn
Target XClient.exe
SHA256 eb8db18db280b1d68aa5aaa05d4d6f4bdfcf9921609d2c80915f8db2bb386a0e
Tags
xworm execution persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

eb8db18db280b1d68aa5aaa05d4d6f4bdfcf9921609d2c80915f8db2bb386a0e

Threat Level: Known bad

The file XClient.exe was found to be: Known bad.

Malicious Activity Summary

xworm execution persistence rat trojan

Contains code to disable Windows Defender

Xworm family

Detect Xworm Payload

Xworm

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Drops startup file

Executes dropped EXE

Adds Run key to start application

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Scheduled Task/Job: Scheduled Task

Suspicious use of SetWindowsHookEx

Gathers network information

Modifies data under HKEY_USERS

Suspicious use of AdjustPrivilegeToken

Uses Task Scheduler COM API

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 21:57

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm family

xworm

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 21:57

Reported

2024-11-09 21:59

Platform

win7-20241010-en

Max time kernel

145s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\XClient.exe"

Signatures

Contains code to disable Windows Defender

Description Indicator Process Target
N/A N/A N/A N/A

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Xworm

trojan rat xworm

Xworm family

xworm

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Roaming\XClient.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Roaming\XClient.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" C:\Users\Admin\AppData\Roaming\XClient.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" C:\Users\Admin\AppData\Roaming\XClient.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
File opened for modification C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Roaming\XClient.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Roaming\XClient.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Users\Admin\AppData\Roaming\XClient.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BIOSVersion C:\Users\Admin\AppData\Roaming\XClient.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BIOSReleaseDate C:\Users\Admin\AppData\Roaming\XClient.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName C:\Users\Admin\AppData\Roaming\XClient.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A
N/A N/A C:\Windows\System32\schtasks.exe N/A
N/A N/A C:\Windows\System32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2844 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2844 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2844 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2844 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2844 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2844 wrote to memory of 2464 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2844 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2844 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2844 wrote to memory of 2668 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2844 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\schtasks.exe
PID 2844 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\schtasks.exe
PID 2844 wrote to memory of 2384 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\schtasks.exe
PID 1472 wrote to memory of 1408 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 1472 wrote to memory of 1408 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 1472 wrote to memory of 1408 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 1408 wrote to memory of 2256 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1408 wrote to memory of 2256 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1408 wrote to memory of 2256 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1408 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1408 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1408 wrote to memory of 2904 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1408 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1408 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1408 wrote to memory of 2152 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1408 wrote to memory of 1784 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\schtasks.exe
PID 1408 wrote to memory of 1784 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\schtasks.exe
PID 1408 wrote to memory of 1784 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\schtasks.exe
PID 1472 wrote to memory of 1952 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 1472 wrote to memory of 1952 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 1472 wrote to memory of 1952 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\XClient.exe
PID 1952 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1952 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1952 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1952 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1952 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1952 wrote to memory of 2544 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1952 wrote to memory of 1012 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1952 wrote to memory of 1012 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1952 wrote to memory of 1012 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1952 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\schtasks.exe
PID 1952 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\schtasks.exe
PID 1952 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Roaming\XClient.exe C:\Windows\System32\schtasks.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\XClient.exe

"C:\Users\Admin\AppData\Local\Temp\XClient.exe"

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'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'

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'

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"

C:\Windows\system32\taskeng.exe

taskeng.exe {45189F96-9ED4-4ED2-A415-EC8F9192B13A} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]

C:\Users\Admin\AppData\Roaming\XClient.exe

C:\Users\Admin\AppData\Roaming\XClient.exe

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'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'

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'

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"

C:\Windows\explorer.exe

"C:\Windows\explorer.exe"

C:\Windows\system32\AUDIODG.EXE

C:\Windows\system32\AUDIODG.EXE 0x508

C:\Users\Admin\AppData\Roaming\XClient.exe

C:\Users\Admin\AppData\Roaming\XClient.exe

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'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'

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'

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"

Network

Country Destination Domain Proto
US 147.185.221.23:53631 tcp
US 147.185.221.23:53631 tcp
US 147.185.221.23:53631 tcp
US 147.185.221.23:53631 tcp

Files

memory/2844-0-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

memory/2844-1-0x0000000000BB0000-0x0000000000BC4000-memory.dmp

memory/1900-6-0x0000000002830000-0x00000000028B0000-memory.dmp

memory/1900-7-0x000000001B5C0000-0x000000001B8A2000-memory.dmp

memory/1900-8-0x00000000026E0000-0x00000000026E8000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

MD5 6686436d23dcf2e2f2649311da679ea3
SHA1 1e916ce9038be42aeb9ffe37d6f47e452bb66789
SHA256 3bca7d570cf16b39769ba98b246bd001236c657bd4a5cad8be557131ce6457e0
SHA512 599449523b18735fee66d4295fd5f8952239b1af0245dea8078edbf72491601d3a8c09618a767f72bfaf117222eda369d29db05dc04c69a6f53d1e48093423eb

memory/2464-14-0x000000001B4B0000-0x000000001B792000-memory.dmp

memory/2464-15-0x0000000001F00000-0x0000000001F08000-memory.dmp

\??\PIPE\srvsvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

C:\Users\Admin\AppData\Roaming\XClient.exe

MD5 f54070cb3f8967ad80f93d00a02a52ea
SHA1 ddef9179a43fd625d5c3f04c8f1919379de7e480
SHA256 eb8db18db280b1d68aa5aaa05d4d6f4bdfcf9921609d2c80915f8db2bb386a0e
SHA512 a605105bec3ccc2d6cb204c5ef27247653abc41ff1ef5bc5e739e19dc7308f33f136c338c94683f2cd8d97458e63298dd98b36571bde261862e2a301755a8f7d

memory/2844-30-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

memory/2844-31-0x000000001B3A0000-0x000000001B420000-memory.dmp

memory/2844-32-0x000000001B3A0000-0x000000001B420000-memory.dmp

memory/1408-37-0x0000000000C60000-0x0000000000C74000-memory.dmp

memory/2256-43-0x0000000002710000-0x0000000002718000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

MD5 bc0a7c0743a8afe4604c7d5066bf8e8a
SHA1 75efb6ad77b948228d2d704fa87063051a610b58
SHA256 60fc9e93ba635a484f4b6f3e23f7458a18f4637e29568e0644387c8dea43a0ec
SHA512 72750b06f9c0f61461020fe53599fd62338651281a44c3d7fd94c5b337927ece060858b3934b2a5a53ee170afd03bace6868d4be8c68fb3d8389236ad04daa12

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk

MD5 ab431076fbb106ee8d7ec4c5867719d7
SHA1 5c4916bd6c96e7ac228eefcf8f1e104c964fed0a
SHA256 b79f58c0e9703af2c999b93648c11f7c1728ae6bd0f610fbe2a24fedf4357785
SHA512 4f60e18476757083015405cf7cb2e113f2ad855538888e1cacbbb2513cfd63ff5e846293760d08dc6cf1eb82096b3c999b94768bbf1229dcf3a81fc541d83bd6

memory/1952-58-0x0000000001050000-0x0000000001064000-memory.dmp

memory/1952-76-0x0000000000CF0000-0x0000000000CFC000-memory.dmp

memory/1952-77-0x0000000001030000-0x000000000103C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 21:57

Reported

2024-11-09 21:58

Platform

win10v2004-20241007-en

Max time kernel

86s

Max time network

87s

Command Line

"C:\Users\Admin\AppData\Local\Temp\XClient.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Xworm

trojan rat xworm

Xworm family

xworm

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Roaming\\XClient.exe" C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A

Enumerates physical storage devices

Gathers network information

Description Indicator Process Target
N/A N/A C:\Windows\system32\ipconfig.exe N/A
N/A N/A C:\Windows\system32\ipconfig.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" C:\Windows\system32\LogonUI.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" C:\Windows\system32\LogonUI.exe N/A
Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" C:\Windows\system32\LogonUI.exe N/A
Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "64" C:\Windows\system32\LogonUI.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\XClient.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SYSTEM32\shutdown.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SYSTEM32\shutdown.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\LogonUI.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1796 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1796 wrote to memory of 2536 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1796 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1796 wrote to memory of 4960 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1796 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1796 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1796 wrote to memory of 888 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\schtasks.exe
PID 1796 wrote to memory of 888 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\System32\schtasks.exe
PID 1796 wrote to memory of 4852 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\SYSTEM32\CMD.EXE
PID 1796 wrote to memory of 4852 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\SYSTEM32\CMD.EXE
PID 4852 wrote to memory of 768 N/A C:\Windows\SYSTEM32\CMD.EXE C:\Windows\system32\ipconfig.exe
PID 4852 wrote to memory of 768 N/A C:\Windows\SYSTEM32\CMD.EXE C:\Windows\system32\ipconfig.exe
PID 4852 wrote to memory of 4588 N/A C:\Windows\SYSTEM32\CMD.EXE C:\Windows\system32\ipconfig.exe
PID 4852 wrote to memory of 4588 N/A C:\Windows\SYSTEM32\CMD.EXE C:\Windows\system32\ipconfig.exe
PID 1796 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\SYSTEM32\shutdown.exe
PID 1796 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\XClient.exe C:\Windows\SYSTEM32\shutdown.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\XClient.exe

"C:\Users\Admin\AppData\Local\Temp\XClient.exe"

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'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'

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'

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"

C:\Windows\System32\fontview.exe

"C:\Windows\System32\fontview.exe" C:\Users\Admin\Desktop\ShowUnblock.fon

C:\Users\Admin\AppData\Roaming\XClient.exe

C:\Users\Admin\AppData\Roaming\XClient.exe

C:\Windows\SYSTEM32\CMD.EXE

"CMD.EXE"

C:\Windows\system32\ipconfig.exe

ipconfig

C:\Windows\system32\ipconfig.exe

ipconfig

C:\Windows\SYSTEM32\shutdown.exe

shutdown.exe /f /s /t 0

C:\Windows\system32\LogonUI.exe

"LogonUI.exe" /flags:0x4 /state0:0xa38db855 /state1:0x41c64e6d

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 68.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 147.185.221.23:53631 tcp
US 8.8.8.8:53 23.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 147.185.221.23:53631 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 147.185.221.23:53631 tcp
US 8.8.8.8:53 103.209.201.84.in-addr.arpa udp

Files

memory/1796-0-0x00007FFE642D3000-0x00007FFE642D5000-memory.dmp

memory/1796-1-0x0000000000340000-0x0000000000354000-memory.dmp

memory/2536-8-0x000001A91FB60000-0x000001A91FB82000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mkwhdx5n.vz2.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2536-12-0x00007FFE642D0000-0x00007FFE64D91000-memory.dmp

memory/2536-13-0x00007FFE642D0000-0x00007FFE64D91000-memory.dmp

memory/2536-14-0x00007FFE642D0000-0x00007FFE64D91000-memory.dmp

memory/2536-17-0x00007FFE642D0000-0x00007FFE64D91000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 34f595487e6bfd1d11c7de88ee50356a
SHA1 4caad088c15766cc0fa1f42009260e9a02f953bb
SHA256 0f9a4b52e01cb051052228a55d0515911b7ef5a8db3cf925528c746df511424d
SHA512 10976c5deaf9fac449e703e852c3b08d099f430de2d7c7b8e2525c35d63e28b890e5aab63feff9b20bca0aaf9f35a3ba411aee3fbeee9ea59f90ed25bd617a0b

C:\Users\Admin\AppData\Roaming\XClient.exe

MD5 f54070cb3f8967ad80f93d00a02a52ea
SHA1 ddef9179a43fd625d5c3f04c8f1919379de7e480
SHA256 eb8db18db280b1d68aa5aaa05d4d6f4bdfcf9921609d2c80915f8db2bb386a0e
SHA512 a605105bec3ccc2d6cb204c5ef27247653abc41ff1ef5bc5e739e19dc7308f33f136c338c94683f2cd8d97458e63298dd98b36571bde261862e2a301755a8f7d

memory/1796-49-0x00007FFE642D0000-0x00007FFE64D91000-memory.dmp

memory/1796-50-0x00007FFE642D0000-0x00007FFE64D91000-memory.dmp

memory/1796-51-0x000000001AF10000-0x000000001AF1A000-memory.dmp

memory/1796-55-0x000000001AE60000-0x000000001AE6A000-memory.dmp

memory/1796-57-0x00007FFE642D0000-0x00007FFE64D91000-memory.dmp