Analysis

  • max time kernel
    148s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    24/09/2026, 12:45

General

  • Target
    XClient.exe
  • Size 32KB
  • Sample260924-py3dasss3k
  • SHA256 558f4d83a90a3e8c8a56960e6d793e1772fd1d7b87e9da3b09b09f082dccb71c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 3.0

C2
  • 82.47.102.179:5001

Mutex
  • 431fDc4L3mvZEUlE

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    USB.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 4 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⤵
    • Creates a file in the Startup directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5804
    • C:\Users\Admin\AppData\Local\Temp\drsdir.exe
      "C:\Users\Admin\AppData\Local\Temp\drsdir.exe"
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      PID:1380
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004CC 0x00000000000004C8
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2480

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        drsdir.exe

        • Path C:\Users\Admin\AppData\Local\Temp\drsdir.exe
        • Size 4.6MB
        • SHA256 22bcf19d969c980ea0cbf3fd50c674831e8f8bb886e1381983cc4f21a0bd375b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1380-24-0x0000000074C00000-0x00000000753BC000-memory.dmp

        memory/1380-20-0x0000000074C12000-0x0000000074C13000-memory.dmp

        memory/1380-27-0x0000000074C00000-0x00000000753BC000-memory.dmp

        memory/1380-26-0x0000000074C12000-0x0000000074C13000-memory.dmp

        memory/1380-25-0x0000000005F40000-0x0000000005F4A000-memory.dmp

        memory/1380-21-0x0000000000F20000-0x00000000013BC000-memory.dmp

        memory/1380-22-0x0000000006570000-0x0000000006B2A000-memory.dmp

        memory/1380-23-0x0000000005FB0000-0x0000000006042000-memory.dmp

        memory/5804-1-0x00000000008E0000-0x00000000008EE000-memory.dmp

        memory/5804-2-0x00007FF95F450000-0x00007FF95FDF4000-memory.dmp

        memory/5804-10-0x0000000002A10000-0x0000000002A1A000-memory.dmp

        memory/5804-0-0x00007FF95F5DF000-0x00007FF95F5E0000-memory.dmp

        memory/5804-9-0x00007FF95F450000-0x00007FF95FDF4000-memory.dmp

        memory/5804-8-0x00007FF95F450000-0x00007FF95FDF4000-memory.dmp

        memory/5804-7-0x00007FF95F450000-0x00007FF95FDF4000-memory.dmp