Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/08/2026, 11:37

General

  • Target
    Factura No 3319786.JS.js
  • Size 3.3MB
  • Sample260813-nrf12sxvby
  • SHA256 12de494db7efffd346e9c434950c72da25b8cd3f71b5d326870ef275c202cbbe
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • vipkeylogger

Credentials

Signatures

  • Family: DonutLoader

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

  • Family: VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Detects DonutLoader 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 TTPs 3 IoCs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Factura No 3319786.JS.js"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4456
    • C:\Users\Admin\Documents\KCBYVEHYJZETHDYQ.PIF
      "C:\Users\Admin\Documents\KCBYVEHYJZETHDYQ.PIF" C:\Users\Admin\Documents\KCBYVEHYJZETHDYQ.ttf
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3424

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        KCBYVEHYJZETHDYQ.PIF

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

        KCBYVEHYJZETHDYQ.ttf

        • Path C:\Users\Admin\Documents\KCBYVEHYJZETHDYQ.ttf
        • Size 550KB
        • SHA256 0166b3c59a51bfc9ccd9718fc09bc380fb6a21b36bed008978a4a1988f51d38b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3424-9-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-10-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-11-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-12-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-15-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-17-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-16-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-14-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-13-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-18-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-21-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-25-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-27-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-26-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-24-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-23-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-22-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-19-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-20-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-28-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-29-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-45-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-52-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-51-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-50-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-49-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-48-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-47-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-46-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-43-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-42-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-41-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-40-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-39-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-33-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-32-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-44-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-38-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-37-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-36-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-35-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-34-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-31-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-30-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3424-54-0x0000000015390000-0x00000000153DB000-memory.dmp

        memory/3424-53-0x0000000015390000-0x0000000016390000-memory.dmp

        memory/3424-55-0x00007FFC2165F000-0x00007FFC21660000-memory.dmp

        memory/3424-56-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp

        memory/3424-57-0x0000000002AB0000-0x0000000002AF6000-memory.dmp

        memory/3424-58-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp

        memory/3424-59-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp

        memory/3424-60-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp

        memory/3424-61-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp

        memory/3424-62-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp

        memory/3424-63-0x0000000000400000-0x000000000047B000-memory.dmp

        memory/3424-64-0x00007FFC214D0000-0x00007FFC21E74000-memory.dmp

        memory/3424-67-0x00000000289D0000-0x0000000028B92000-memory.dmp

        memory/3424-68-0x0000000027F60000-0x0000000027FB0000-memory.dmp