Overview

overview

10

Static

static

3

payload.exe

windows10-2004-x64

10

payload.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 19:51

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General

  • Target
    payload.exe
  • Size 170KB
  • Sample260705-ykws2aa16k
  • SHA256 213ca0c1084c8121caf8e35cf87a1db48e2d9addaa324c8cbb218bbb40514ed0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwaredefense_evasiondonutloaderxwormloaderpersistenceransomwareratspywaretrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

Mutex

  • NcyOAucyNvAAl61w

Attributes
  • install_file

    USB.exe

  • localhost

    127.0.0.1

aes.plain

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    loaderdonutloader
  • Family: Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Detect Xworm Payload 1 IoCs
  • Detects DonutLoader 1 IoCs
    loader
  • 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
  • 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.

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

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

  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 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\payload.exe
    "C:\Users\Admin\AppData\Local\Temp\payload.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Windows\System32\notepad.exe
      C:\Windows\System32\notepad.exe
      2⤵
        PID:3864
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1568
      • C:\Windows\SYSTEM32\cmd.exe
        cmd.exe /c timeout /t 1 /nobreak && del /f /q "C:\Users\Admin\AppData\Local\Temp\payload.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5340
        • C:\Windows\system32\timeout.exe
          timeout /t 1 /nobreak
          3⤵
          • Delays execution with timeout.exe
          PID:4852
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1356
      • 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:5320
    • 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:3056
    • 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:2032

    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/1568-6-0x00007FF90D750000-0x00007FF90E0F4000-memory.dmp
          Download

          memory/1568-1-0x00007FF90D8DF000-0x00007FF90D8E0000-memory.dmp
          Download

          memory/1568-3-0x00007FF90D750000-0x00007FF90E0F4000-memory.dmp
          Download

          memory/1568-4-0x00007FF90D750000-0x00007FF90E0F4000-memory.dmp
          Download

          memory/1568-5-0x00007FF90D750000-0x00007FF90E0F4000-memory.dmp
          Download

          memory/1568-0-0x000002F1C1F10000-0x000002F1C1F19000-memory.dmp
          Download

          memory/1568-7-0x00007FF90D750000-0x00007FF90E0F4000-memory.dmp
          Download

          memory/1568-2-0x000002F1DCFD0000-0x000002F1DCFDE000-memory.dmp
          Download

          memory/1568-195-0x00007FF90D750000-0x00007FF90E0F4000-memory.dmp
          Download

          memory/3056-60-0x000001F203480000-0x000001F2034A0000-memory.dmp
          Download

          memory/3056-38-0x000001F202AB0000-0x000001F202AD0000-memory.dmp
          Download

          memory/3056-35-0x000001F202C90000-0x000001F202D90000-memory.dmp
          Download

          memory/3056-34-0x000001F202860000-0x000001F202880000-memory.dmp
          Download

          memory/3056-26-0x000001F200050000-0x000001F200150000-memory.dmp
          Download