Analysis

  • max time kernel
    150s
  • max time network
    163s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/08/2026, 00:14

General

  • Target
    factura852026.pdf.js
  • Size 2.1MB
  • Sample260807-ajdn3atfld
  • SHA256 5b6b6c44bc3274b1900f5538677609d5ade82934366586a52b907dfa3b288617
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • watchthisyear.gotdns.ch:7474

Mutex
  • c1CYM1HMY9nWx8sZ

Attributes
  • Install_directory

    %AppData%

  • install_file

    word.exe

aes.plain

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Detects DonutLoader 2 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
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\factura852026.pdf.js
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\Documents\UIEEVXBUUYGGOUIJ.PIF
      "C:\Users\Admin\Documents\UIEEVXBUUYGGOUIJ.PIF" C:\Users\Admin\Documents\UIEEVXBUUYGGOUIJ.ttf
      2⤵
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4392

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        UIEEVXBUUYGGOUIJ.PIF

        • Path C:\Users\Admin\Documents\UIEEVXBUUYGGOUIJ.PIF
        • Size 467KB
        • SHA256 52f0c0230b580e2fdf53a378b5c6d0db9829af900dae43e0df8f18635cd9f0c1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UIEEVXBUUYGGOUIJ.ttf

        • Path C:\Users\Admin\Documents\UIEEVXBUUYGGOUIJ.ttf
        • Size 212KB
        • SHA256 21c1344f2224cc53ae3773dbc092984252b9f0198674b7d5bd281e474a1a432a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4392-9-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-10-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-11-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-12-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-13-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-16-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-25-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-26-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-28-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-27-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-24-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-23-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-22-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-21-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-20-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-19-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-18-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-17-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-15-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-14-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-29-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-42-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-45-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-49-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-48-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-51-0x0000000014800000-0x0000000014812000-memory.dmp

        memory/4392-50-0x0000000014800000-0x0000000015800000-memory.dmp

        memory/4392-47-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-46-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-44-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-43-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-40-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-52-0x00007FF9034DF000-0x00007FF9034E0000-memory.dmp

        memory/4392-39-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-38-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-37-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-36-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-35-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-34-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-33-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-32-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-41-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-31-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-30-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/4392-53-0x00007FF903350000-0x00007FF903CF4000-memory.dmp

        memory/4392-54-0x0000000002640000-0x0000000002650000-memory.dmp

        memory/4392-56-0x00007FF903350000-0x00007FF903CF4000-memory.dmp

        memory/4392-55-0x00007FF903350000-0x00007FF903CF4000-memory.dmp

        memory/4392-57-0x00007FF903350000-0x00007FF903CF4000-memory.dmp

        memory/4392-63-0x00007FF903350000-0x00007FF903CF4000-memory.dmp

        memory/4392-64-0x00007FF903350000-0x00007FF903CF4000-memory.dmp

        memory/4392-65-0x0000000000400000-0x000000000047B000-memory.dmp

        memory/4392-66-0x00007FF903350000-0x00007FF903CF4000-memory.dmp

        memory/4392-67-0x00007FF903350000-0x00007FF903CF4000-memory.dmp

        memory/4392-68-0x00007FF903350000-0x00007FF903CF4000-memory.dmp

        memory/4392-69-0x00007FF903350000-0x00007FF903CF4000-memory.dmp

        memory/4392-70-0x00007FF903350000-0x00007FF903CF4000-memory.dmp