Analysis

  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/10/2026, 10:46

General

  • Target
    TEKLİF İSTEME FORMU PDF.JS.js
  • Size 4.4MB
  • Sample261028-mt58aay17p
  • SHA256 6776bac9e1b94eec6517e2e3069848444bebfb7933e9fd5426ce89bac2f353c3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • vipkeylogger

Credentials
C2
  • https://api.telegram.org/bot8099843793:AAGeYKMLti1IpyT9o6bz7OtgdXF9md25uXA/sendMessage?chat_id=6337180137

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
  • Loads dropped DLL 2 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 11 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).

  • 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.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • Modifies registry class 2 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 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\TEKLİF İSTEME FORMU PDF.JS.js"
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:436
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c echo. > "C:\Users\Admin\AppData\Local\Temp\TEKLİF İSTEME FORMU PDF.JS.js:Zone.Identifier"
      2⤵
      • Executes a command shell one-liner
      • NTFS ADS
      PID:5192
    • C:\Users\Admin\Documents\CXKXOVFYDYEYZUAY.exe
      "C:\Users\Admin\Documents\CXKXOVFYDYEYZUAY.exe" C:\Users\Admin\Documents\YAUZYEYDYFVOXKXC
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:5116

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        CXKXOVFYDYEYZUAY.exe

        • Path C:\Users\Admin\Documents\CXKXOVFYDYEYZUAY.exe
        • Size 31KB
        • SHA256 f5163ecb12e440d916b028faa34758a971f2396f12118ca0b40bdaead1108767
        • MD5 SHA1 SHA512 SSDEEP TLSH

        VCRUNTIME140.dll

        • Path C:\Users\Admin\Documents\VCRUNTIME140.dll
        • Size 120KB
        • SHA256 184146852727a9db4eea06178716bec3cdbb1015c911f6b0f915b184ad7775b2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        YAUZYEYDYFVOXKXC

        • Path C:\Users\Admin\Documents\YAUZYEYDYFVOXKXC
        • Size 786KB
        • SHA256 267c930b5359928de835015b3f6a3347601af4a0b5647bdcbb9588049f12378c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        libluajit.dll

        • Path C:\Users\Admin\Documents\libluajit.dll
        • Size 441KB
        • SHA256 6b53c5c6890c47de35244d5fba9c33501caa9e4fe2590699ef343d272064f710
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5116-17-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-18-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-19-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-20-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-21-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-25-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-24-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-23-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-22-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-28-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-27-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-26-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-29-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-30-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-31-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-49-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-51-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-50-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-53-0x000001D12EA40000-0x000001D12EA8B000-memory.dmp

        memory/5116-48-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-54-0x00007FFB361EF000-0x00007FFB361F0000-memory.dmp

        memory/5116-52-0x000001D12EA40000-0x000001D12FA40000-memory.dmp

        memory/5116-47-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-46-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-45-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-44-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-43-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-42-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-41-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-40-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-39-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-38-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-36-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-35-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-34-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-37-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-33-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-32-0x00007FFB3B4F0000-0x00007FFB3B500000-memory.dmp

        memory/5116-55-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

        memory/5116-56-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

        memory/5116-57-0x000001D140960000-0x000001D1409A8000-memory.dmp

        memory/5116-58-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

        memory/5116-59-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

        memory/5116-60-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

        memory/5116-61-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp

        memory/5116-62-0x000001D1597B0000-0x000001D159972000-memory.dmp

        memory/5116-63-0x000001D140AA0000-0x000001D140AF0000-memory.dmp

        memory/5116-64-0x00007FFB36060000-0x00007FFB36A04000-memory.dmp