Analysis

  • max time kernel
    95s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    05/09/2026, 19:34

Errors

Reason
Machine shutdown

General

  • Target
    XWormClient.exe
  • Size 32KB
  • Sample260905-yacbmsff49
  • SHA256 cf14244fb788ca119fbc290c434897e7e928cd8b7bec19e501b92f8cabde38ae
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 89.190.158.167:911

Mutex
  • x90mfbG7q12JM7dT

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 8 IoCs

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

  • Manipulates Digital Signatures 1 TTPs 60 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 3 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in System32 directory 18 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 5 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Checks processor information in registry 2 TTPs 28 IoCs

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

  • Enumerates system info in registry 2 TTPs 64 IoCs
  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 64 IoCs
  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XWormClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XWormClient.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Users\Admin\AppData\Local\Temp\jwxpet.exe
      "C:\Users\Admin\AppData\Local\Temp\jwxpet.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1636
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg delete HKCR /f
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3520
        • C:\Windows\system32\reg.exe
          reg delete HKCR /f
          4⤵
          • Modifies registry class
          PID:1476
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg delete HKCU /f
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4360
        • C:\Windows\system32\reg.exe
          reg delete HKCU /f
          4⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies system executable filetype association
          • Adds Run key to start application
          • Modifies Internet Explorer settings
          • Modifies registry class
          • Modifies registry key
          PID:3760
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg delete HKLM /f
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4100
        • C:\Windows\system32\reg.exe
          reg delete HKLM /f
          4⤵
          • Checks processor information in registry
          • Enumerates system info in registry
          • Modifies registry class
          • Modifies registry key
          PID:4104
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg delete HKU /f
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:2192
        • C:\Windows\system32\reg.exe
          reg delete HKU /f
          4⤵
          • Manipulates Digital Signatures
          • Accesses Microsoft Outlook profiles
          • Adds Run key to start application
          • Modifies data under HKEY_USERS
          • Modifies registry class
          • outlook_office_path
          PID:4156
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg delete HKCC /f
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:3764
        • C:\Windows\system32\reg.exe
          reg delete HKCC /f
          4⤵
            PID:5068
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x504 0x4f8
      1⤵
        PID:3268

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            jwxpet.exe

            • Path C:\Users\Admin\AppData\Local\Temp\jwxpet.exe
            • Size 11KB
            • SHA256 1a7610cd29d915c7f4ad68d5238e4dd3cfc973de57ad81a177ba8ae5cb9a86c5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1552-0-0x00000000009D0000-0x00000000009DE000-memory.dmp

            memory/1552-1-0x000000001B6A0000-0x000000001B6B0000-memory.dmp

            memory/1552-2-0x000000001B6A0000-0x000000001B6B0000-memory.dmp

            memory/1552-3-0x000000001C310000-0x000000001C4A6000-memory.dmp

            memory/1636-15-0x00000000007D0000-0x00000000007DA000-memory.dmp

            memory/1636-16-0x0000000002940000-0x0000000002950000-memory.dmp

            memory/1636-20-0x0000000002940000-0x0000000002950000-memory.dmp