Overview

overview

10

Static

static

10

XClient.exe

windows10-2004-x64

10

XClient.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    123s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 20:13

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General

  • Target
    XClient.exe
  • Size 58KB
  • Sample260623-yzvjhsf12m
  • SHA256 3a0d5e5bef6a92470908d1e163f5a9667646e810576f6e243ef4497c16cc5ebf
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwareexecutionxwormpersistenceransomwareratspywaretrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 3.1

Attributes
  • Install_directory

    %Temp%

  • install_file

    USB.exe

  • localhost

    127.0.0.1

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Detect Xworm Payload 1 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
  • Drops startup file 2 IoCs
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 2 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\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3540
    • 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\Local\Temp\XClient.exe"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1408
  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    C:\Users\Admin\AppData\Local\Temp\XClient.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3844
  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1684
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2864
    • 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 AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2784
  • 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:3588
  • 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:1820
  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3428
  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
      PID:2852

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          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

          memory/1820-196-0x000001EA0A170000-0x000001EA0A801000-memory.dmp
          Download

          memory/3540-11-0x00007FFBE3DD0000-0x00007FFBE4774000-memory.dmp
          Download

          memory/3540-1-0x0000000000180000-0x0000000000194000-memory.dmp
          Download

          memory/3540-4-0x00007FFBE3DD0000-0x00007FFBE4774000-memory.dmp
          Download

          memory/3540-6-0x00007FFBE3DD0000-0x00007FFBE4774000-memory.dmp
          Download

          memory/3540-0-0x00007FFBE3F5F000-0x00007FFBE3F60000-memory.dmp
          Download

          memory/3540-2-0x00007FFBE3DD0000-0x00007FFBE4774000-memory.dmp
          Download

          memory/3540-3-0x00007FFBE3DD0000-0x00007FFBE4774000-memory.dmp
          Download

          memory/3540-10-0x00007FFBE3DD0000-0x00007FFBE4774000-memory.dmp
          Download

          memory/3588-15-0x0000018F801E0000-0x0000018F802E0000-memory.dmp
          Download

          memory/3588-47-0x0000018F82E10000-0x0000018F82E30000-memory.dmp
          Download

          memory/3588-16-0x0000018F801E0000-0x0000018F802E0000-memory.dmp
          Download

          memory/3588-72-0x0000018F94290000-0x0000018F942B0000-memory.dmp
          Download

          memory/3588-39-0x0000018F82E90000-0x0000018F82F90000-memory.dmp
          Download

          memory/3588-14-0x0000018F801E0000-0x0000018F802E0000-memory.dmp
          Download

          memory/3588-38-0x0000018F82A30000-0x0000018F82A50000-memory.dmp
          Download

          memory/3844-9-0x00007FFBE3DD0000-0x00007FFBE4774000-memory.dmp
          Download

          memory/3844-8-0x00007FFBE3DD0000-0x00007FFBE4774000-memory.dmp
          Download

          memory/3844-7-0x00007FFBE3DD0000-0x00007FFBE4774000-memory.dmp
          Download