Analysis

  • max time kernel
    31s
  • max time network
    153s
  • 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, 09:46

General

  • Target
    extension-fix-3T2WZ8.hta
  • Size 3KB
  • Sample260803-lr3tpstfnf
  • SHA256 c7676097f9db32ca7a2837a2711a85d216007e1d991fe08d03fd68e7a61efc50
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Badlisted process makes network request 4 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 9 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 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-3T2WZ8.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:3376
    • 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:5048
      • 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:6024
    • 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:3036
      • 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:3416
    • 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:2740
      • 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:5304
    • 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:1672
      • 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:5884
      • 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:4504
      • C:\svdqiddi\svdqiddi.exe
        "C:\svdqiddi\svdqiddi.exe" C:\svdqiddi\svdqiddi
        2⤵
          PID:2596
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
          2⤵
            PID:3428
            • 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:1968
            • 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:6028
              • 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:2128

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                8B2B9A00839EED1DFDCCC3BFC2F5DF12

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12
                • Size 1KB
                • SHA256 63b14543360f5e89942ea8d5113526e64fbc71c1207328f0136b3a495d921dd0
                • MD5 SHA1 SHA512 TLSH

                B46811C17859FFB409CF0E904A4AA8F8

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
                • Size 528B
                • SHA256 d2bb091268ade68ad8121d2184d0fbce128070156304bd4de312e6fbd267409c
                • MD5 SHA1 SHA512 TLSH

                8B2B9A00839EED1DFDCCC3BFC2F5DF12

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12
                • Size 174B
                • SHA256 1c7b73850c43d333178bc9256b3ca670f232193269376cbc2eb9194ad9905df0
                • MD5 SHA1 SHA512 TLSH

                B46811C17859FFB409CF0E904A4AA8F8

                • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
                • Size 170B
                • SHA256 47ab343a676d93fa845b5fcd85a120277a9245184d97184338f0efed52fba5d9
                • MD5 SHA1 SHA512 TLSH

                a1.zip

                • Path C:\svdqiddi\a1.zip
                • Size 494KB
                • SHA256 508b9a77e657e84e307480cb2da6bbecb9e5f7caeafdfdd3dec0c8fdcd5b697e
                • MD5 SHA1 SHA512 SSDEEP TLSH

                a2.zip

                • Path C:\svdqiddi\a2.zip
                • Size 1.3MB
                • SHA256 00ed02df1e2cd381aa1842af34999d085812ef070c828f4f82802a019d933c28
                • MD5 SHA1 SHA512 SSDEEP TLSH

                a3.zip

                • Path C:\svdqiddi\a3.zip
                • Size 2KB
                • SHA256 96afd9ef90647a62b97c4adb7a0756f6a42e75a6a7a288a1e97d23b2aaa59617
                • 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/2596-112-0x0000000006310000-0x00000000064D7000-memory.dmp