Analysis

  • max time kernel
    11s
  • max time network
    135s
  • 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, 12:51

General

  • Target
    extension-fix-12OYNR.hta
  • Size 3KB
  • Sample260803-p3kdaaztez
  • SHA256 c5d4ab87d76ed57e915f76d412da9c7958d6a9158b3860ffcc21daea23127803
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Badlisted process makes network request 5 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 1 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 8 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 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 5 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\extension-fix-12OYNR.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    1⤵
    • Badlisted process makes network request
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4980
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      PID:2104
      • C:\Windows\SysWOW64\rundll32.exe
        C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
        3⤵
          PID:3196
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
        2⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3944
        • C:\Windows\SysWOW64\rundll32.exe
          C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
          3⤵
            PID:4660
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          2⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2296
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
            3⤵
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            PID:240
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          2⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2788
          • C:\Windows\SysWOW64\rundll32.exe
            C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
            3⤵
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            PID:3696
        • C:\Windows\SysWOW64\attrib.exe
          "C:\Windows\System32\attrib.exe" +h +s "C:\svdqiddi\"
          2⤵
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:468
        • C:\svdqiddi\svdqiddi.exe
          "C:\svdqiddi\svdqiddi.exe" C:\svdqiddi\svdqiddi
          2⤵
            PID:2904
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
            2⤵
              PID:476
              • C:\Windows\SysWOW64\rundll32.exe
                C:\Windows\system32\rundll32.exe C:\Windows\system32\inetcpl.cpl,ClearMyTracksByProcess Flags:8 WinX:0 WinY:0 IEFrame:00000000
                3⤵
                  PID:2720
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe" /c ping -n 300 -w 1000 127.0.0.1 >nul
                2⤵
                • Executes a command shell one-liner
                • System Network Configuration Discovery: Internet Connection Discovery
                PID:2216
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 300 -w 1000 127.0.0.1
                  3⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:1680

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

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                  Downloads

                  a1.zip

                  • Path C:\svdqiddi\a1.zip
                  • Size 494KB
                  • SHA256 1246ecaa7c4850e214f6b4a89011e5889f6d269746476760f74a54868f14c4b0
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  a2.zip

                  • Path C:\svdqiddi\a2.zip
                  • Size 1.3MB
                  • SHA256 3ac8713945e29a834dbd350e7a71aa679db6cd13d4b197d59e93c52138907c6e
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  a3.zip

                  • Path C:\svdqiddi\a3.zip
                  • Size 2KB
                  • SHA256 7cfd968fddc30f38bd1ee366080ee1b37ec39ae9e19855f2b8de4c630cb502a8
                  • 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