Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/09/2026, 19:13

General

  • Target
    XClient.exe
  • Size 30KB
  • Sample260922-xw8fjade96
  • SHA256 15ca18c6f01b8ca1fe9bc2b386eed8247c79e42ed053ac9a608b747affe4218c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 3.0

C2
  • 87.109.50.187:5000

Mutex
  • 3gP1Jtyg0u6fhqUO

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Executes dropped EXE 1 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5464
    • C:\Users\Admin\AppData\Local\Temp\khzrxc.exe
      "C:\Users\Admin\AppData\Local\Temp\khzrxc.exe"
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      PID:3216
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:2932
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x000000000000050C 0x0000000000000510
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:988

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          khzrxc.exe

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

          memory/3216-20-0x00007FFE092C0000-0x00007FFE09C64000-memory.dmp

          memory/3216-22-0x00007FFE092C0000-0x00007FFE09C64000-memory.dmp

          memory/3216-25-0x00007FFE092C0000-0x00007FFE09C64000-memory.dmp

          memory/3216-24-0x00007FFE092C0000-0x00007FFE09C64000-memory.dmp

          memory/3216-23-0x00007FFE092C0000-0x00007FFE09C64000-memory.dmp

          memory/3216-19-0x00007FFE092C0000-0x00007FFE09C64000-memory.dmp

          memory/3216-21-0x00007FFE092C0000-0x00007FFE09C64000-memory.dmp

          memory/3216-16-0x00000293A2190000-0x00000293A225E000-memory.dmp

          memory/3216-17-0x00007FFE092C0000-0x00007FFE09C64000-memory.dmp

          memory/3216-18-0x00007FFE092C0000-0x00007FFE09C64000-memory.dmp

          memory/5464-2-0x00007FFE092C0000-0x00007FFE09C64000-memory.dmp

          memory/5464-0-0x00007FFE0944F000-0x00007FFE09450000-memory.dmp

          memory/5464-1-0x00000000007B0000-0x00000000007BE000-memory.dmp

          memory/5464-7-0x0000000000E90000-0x0000000000E9A000-memory.dmp

          memory/5464-5-0x00007FFE092C0000-0x00007FFE09C64000-memory.dmp

          memory/5464-4-0x00007FFE092C0000-0x00007FFE09C64000-memory.dmp

          memory/5464-3-0x00007FFE092C0000-0x00007FFE09C64000-memory.dmp