Overview

overview

10

Static

static

10

XWormClient.exe

windows10-2004-x64

10

XWormClient.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    104s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 12:12

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General

  • Target
    XWormClient.exe
  • Size 43KB
  • Sample260623-pc65cscw9t
  • SHA256 69654892531f258f9fb09709a0ae0bbb298748795c742bb32423ce6a824c2909
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwareexecutionxwormpersistenceransomwareratspywaretrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • 146.70.100.164:6000

  • :111

Mutex

  • xHcDhOQ7QpT4YtYy

Attributes
  • Install_directory

    %AppData%

  • install_file

    XWormClient.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Detect Xworm Payload 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

    execution
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • 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
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\XWormClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XWormClient.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5464
    • 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\XWormClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4292
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XWormClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5672
    • 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\XWormClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3476
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XWormClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      PID:5656
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XWormClient" /tr "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:708
  • C:\Users\Admin\AppData\Roaming\XWormClient.exe
    C:\Users\Admin\AppData\Roaming\XWormClient.exe
    1⤵
    • Executes dropped EXE
    PID:3276
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1596
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2356
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3740
  • C:\Users\Admin\AppData\Roaming\XWormClient.exe
    "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
    1⤵
    • Executes dropped EXE
    PID:4352
  • C:\Users\Admin\AppData\Roaming\XWormClient.exe
    "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
    1⤵
      PID:1312

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 e56f4a38e0c60f0196c589e1952198368a10927e65ff24d1476ffafc489657f4
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          StartupProfileData-NonInteractive
          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 070e2dc002fee5d6c6ae0611713bb24a9f01d741d964e7f1ece4f61789724a94
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          prep_Activatable Class_Hermes_perf.cache
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          __PSScriptPolicyTest_aisumlno.3gj.ps1
          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_aisumlno.3gj.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          XWormClient.exe
          • Path C:\Users\Admin\AppData\Roaming\XWormClient.exe
          • Size 43KB
          • SHA256 69654892531f258f9fb09709a0ae0bbb298748795c742bb32423ce6a824c2909
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/1596-258-0x000000000DC30000-0x000000000E4AB000-memory.dmp
          Download

          memory/2356-69-0x000001A402A50000-0x000001A402A70000-memory.dmp
          Download

          memory/2356-89-0x000001A402E10000-0x000001A402E30000-memory.dmp
          Download

          memory/2356-103-0x000001A414210000-0x000001A414230000-memory.dmp
          Download

          memory/2356-70-0x000001A402E70000-0x000001A402F70000-memory.dmp
          Download

          memory/2356-57-0x000001A4001E0000-0x000001A4002E0000-memory.dmp
          Download

          memory/4292-22-0x000001D4270D0000-0x000001D4270EE000-memory.dmp
          Download

          memory/4292-24-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/4292-11-0x000001D426F20000-0x000001D426F42000-memory.dmp
          Download

          memory/4292-16-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/4292-17-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/4292-18-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/4292-19-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/4292-15-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/4292-23-0x000001D4270F0000-0x000001D4271A2000-memory.dmp
          Download

          memory/4292-7-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/4292-25-0x000001D426FA0000-0x000001D426FAA000-memory.dmp
          Download

          memory/4292-26-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/4292-28-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/4292-14-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/4292-13-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/4292-12-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/4292-6-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/4292-8-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/5464-0-0x00007FFA4541F000-0x00007FFA45420000-memory.dmp
          Download

          memory/5464-55-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/5464-54-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/5464-51-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/5464-5-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/5464-4-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/5464-3-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/5464-2-0x00007FFA45290000-0x00007FFA45C34000-memory.dmp
          Download

          memory/5464-1-0x00000000004B0000-0x00000000004C2000-memory.dmp
          Download