Analysis

  • user interaction
    yes
  • max time kernel
    810s
  • max time network
    478s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/09/2026, 11:12

General

  • Target
    XClien.exe
  • Size 30KB
  • Sample260916-na1dcszaqa
  • SHA256 50f60cdd4ab9458a97b344a503a420259ca20c6acbdeadac4c2f0de25c203f26
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 3.0

C2
  • 188.52.56.123:5000

Mutex
  • 4nOaAzjNLY94Erz1

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 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 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).

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

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClien.exe
    "C:\Users\Admin\AppData\Local\Temp\XClien.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Users\Admin\AppData\Local\Temp\hursoc.exe
      "C:\Users\Admin\AppData\Local\Temp\hursoc.exe"
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      PID:1264
    • C:\Users\Admin\AppData\Local\Temp\dutieh.exe
      "C:\Users\Admin\AppData\Local\Temp\dutieh.exe"
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      PID:1200
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp11F4.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:5848
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004FC 0x0000000000000504
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4572
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5240
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:1500

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            dutieh.exe

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

            hursoc.exe

            • Path C:\Users\Admin\AppData\Local\Temp\hursoc.exe
            • Size 946KB
            • SHA256 73b7733a3a19331950347898f9015ba58b0868d8ba6561d491a8482ae91ccce1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tmp11F4.tmp.bat

            • Path C:\Users\Admin\AppData\Local\Temp\tmp11F4.tmp.bat
            • Size 158B
            • SHA256 4b3e668c5fd1a445d74bd283d1cfeccc692d228e6c18a205e8a2d30ab43fc13d
            • MD5 SHA1 SHA512 TLSH

            memory/1200-38-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/1200-37-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/1200-36-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/1200-35-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/1200-34-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/1200-33-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/1200-32-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/1200-31-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/1200-30-0x000001AB2D1D0000-0x000001AB2D29E000-memory.dmp

            memory/1264-19-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/1264-15-0x00000216F38F0000-0x00000216F39E2000-memory.dmp

            memory/1264-21-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/1264-20-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/1264-18-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/1264-17-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/1264-16-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/4612-0-0x00007FFA6974F000-0x00007FFA69750000-memory.dmp

            memory/4612-6-0x0000000002800000-0x000000000280A000-memory.dmp

            memory/4612-5-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/4612-4-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/4612-3-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/4612-2-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp

            memory/4612-1-0x0000000000680000-0x000000000068E000-memory.dmp

            memory/4612-42-0x00007FFA695C0000-0x00007FFA69F64000-memory.dmp