Overview

overview

10

Static

static

10

XClient.exe

windows10-2004-x64

10

XClient.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/06/2026, 16:23

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General

  • Target
    XClient.exe
  • Size 33KB
  • Sample260628-tvwtkaav2r
  • SHA256 cf585b5f98fdbafc5523fc4c93f63cb6d41a447f0ab22d1fe01c47a34f2d4620
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarexwormpersistenceransomwareratspywaretrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 3.0

C2

  • 155.117.183.181:2017

Mutex

  • TCIxk3qYkQRNq0dY

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 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⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2844
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2788
    • 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:2792
  • 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:5996
  • 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:5932

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/2844-3-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2844-2-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2844-0-0x00007FFA0F7CF000-0x00007FFA0F7D0000-memory.dmp
        Download

        memory/2844-4-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2844-5-0x00007FFA0F640000-0x00007FFA0FFE4000-memory.dmp
        Download

        memory/2844-1-0x0000000000640000-0x000000000064E000-memory.dmp
        Download

        memory/5932-193-0x000002A0E2080000-0x000002A0E2711000-memory.dmp
        Download

        memory/5996-8-0x000002951AB40000-0x000002951AC40000-memory.dmp
        Download

        memory/5996-7-0x000002951AB40000-0x000002951AC40000-memory.dmp
        Download

        memory/5996-21-0x00000295037D0000-0x00000295038D0000-memory.dmp
        Download

        memory/5996-53-0x0000029503B90000-0x0000029503BB0000-memory.dmp
        Download

        memory/5996-39-0x0000029503750000-0x0000029503770000-memory.dmp
        Download

        memory/5996-20-0x0000029503370000-0x0000029503390000-memory.dmp
        Download