Overview

overview

10

Static

static

10

XClient.exe

windows10-2004-x64

10

XClient.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/09/2026, 16:07

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General

  • Target
    XClient.exe
  • Size 30KB
  • Sample260916-tk1prs1vas
  • SHA256 2a56fdd8703e111c685d912ca9c3c5de500c0d8efaf9b774b4cb840f91916f87
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
bootkitdefense_evasiondiscoveryxwormpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 3.0

C2

  • 188.52.56.123:5000

Mutex

  • u2cUG7ZWVKzCHixq

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
  • Disables Task Manager via registry modification
    defense_evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Contacts third-party web service commonly abused for C2 1 TTPs 4 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Looks up external IP address via web service 1 TTPs 9 IoCs

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

    discovery
  • Writes to the Master Boot Record (MBR) 1 TTPs 3 IoCs

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

    bootkitpersistence
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SendNotifyMessage 9 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Users\Admin\AppData\Local\Temp\gothad.exe
      "C:\Users\Admin\AppData\Local\Temp\gothad.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4956
    • C:\Users\Admin\AppData\Local\Temp\ikuday.exe
      "C:\Users\Admin\AppData\Local\Temp\ikuday.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4324
    • C:\Users\Admin\AppData\Local\Temp\qyredm.exe
      "C:\Users\Admin\AppData\Local\Temp\qyredm.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4288
    • C:\Users\Admin\AppData\Local\Temp\abkdet.exe
      "C:\Users\Admin\AppData\Local\Temp\abkdet.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4916
    • C:\Users\Admin\AppData\Local\Temp\mtzgbh.exe
      "C:\Users\Admin\AppData\Local\Temp\mtzgbh.exe"
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      PID:4796
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2680
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
      PID:628
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x44c 0x498
      1⤵
        PID:1872

      Network

            MITRE ATT&CK Enterprise v16

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            Downloads

            gothad.exe
            • Path C:\Users\Admin\AppData\Local\Temp\gothad.exe
            • Size 4.4MB
            • SHA256 fc1d570bcc04951b6b4dc2767d73469f67ef701eadcecdd2522915aef50c7169
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            mtzgbh.exe
            • Path C:\Users\Admin\AppData\Local\Temp\mtzgbh.exe
            • Size 802KB
            • SHA256 68a2b9da01ab0d8999c490f680d3e3fa7f12c0ec80a5c1ecae51af6047663cf4
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/1932-0-0x00000000009F0000-0x00000000009FE000-memory.dmp
            Download

            memory/1932-1-0x000000001B740000-0x000000001B750000-memory.dmp
            Download

            memory/1932-2-0x000000001B740000-0x000000001B750000-memory.dmp
            Download

            memory/1932-3-0x0000000002A80000-0x0000000002A8A000-memory.dmp
            Download

            memory/4796-65-0x000001AB229C0000-0x000001AB22A8E000-memory.dmp
            Download

            memory/4956-15-0x0000000000E10000-0x000000000127A000-memory.dmp
            Download

            memory/4956-16-0x000000001D010000-0x000000001D020000-memory.dmp
            Download

            memory/4956-30-0x000000001D010000-0x000000001D020000-memory.dmp
            Download