Overview

overview

10

Static

static

10

XWormClient.exe

windows10-2004-x64

10

XWormClient.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    899s
  • max time network
    890s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 04:35

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General

  • Target
    XWormClient.exe
  • Size 36KB
  • Sample260804-e7nldsfq3z
  • SHA256 c10e8872b82ddb7a9089d5a40e1960317edebaf27a9ceab9fcc6a0547d147396
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarexwormpersistenceransomwareratspywaretrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • 172.111.136.159:3000

Mutex

  • obZS35dgyLqrYeRI

Attributes
  • 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.

  • 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 39 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 42 IoCs
  • Suspicious use of SetWindowsHookEx 4 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\XWormClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XWormClient.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4328
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:556
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4656
      • 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:4252
    • 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:5636
    • 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:3532
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:1848

      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 591B
            • SHA256 dc216c11d6381abdcb6a4b927fd9ea68d336ff63c88639e4a242acf037f90c68
            • 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 607B
            • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/4328-10-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
            Download

            memory/4328-11-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
            Download

            memory/4328-4-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
            Download

            memory/4328-5-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
            Download

            memory/4328-6-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
            Download

            memory/4328-7-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
            Download

            memory/4328-8-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
            Download

            memory/4328-9-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
            Download

            memory/4328-0-0x00007FFD8B02F000-0x00007FFD8B030000-memory.dmp
            Download

            memory/4328-3-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
            Download

            memory/4328-2-0x00007FFD8AEA0000-0x00007FFD8B844000-memory.dmp
            Download

            memory/4328-1-0x00000000002C0000-0x00000000002D0000-memory.dmp
            Download

            memory/5636-80-0x000001DB84200000-0x000001DB84220000-memory.dmp
            Download

            memory/5636-66-0x000001DB81C80000-0x000001DB81CA0000-memory.dmp
            Download

            memory/5636-47-0x000001DB81A40000-0x000001DB81A60000-memory.dmp
            Download

            memory/5636-35-0x000001DB801E0000-0x000001DB802E0000-memory.dmp
            Download

            memory/5636-34-0x000001DB801E0000-0x000001DB802E0000-memory.dmp
            Download

            memory/5636-36-0x000001DB801E0000-0x000001DB802E0000-memory.dmp
            Download

            memory/5636-49-0x000001DB81E80000-0x000001DB81F80000-memory.dmp
            Download