Analysis

  • max time kernel
    58s
  • max time network
    152s
  • 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, 09:26

General

  • Target
    extension-fix-PSBH28.hta
  • Size 3KB
  • Sample260803-leabmatbph
  • SHA256 a5f5f0e511946d9e973c308971deafd6bc09a44163a885af2eeb844a922b5baf
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Badlisted process makes network request 6 IoCs

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

  • Checks computer location settings 2 TTPs 1 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 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 11 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 28 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 10 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-PSBH28.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    1⤵
    • Badlisted process makes network request
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4032
    • 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:4796
      • 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:464
    • 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:5952
      • 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:916
    • 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:3496
      • 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:1688
    • 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:1536
      • 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:3484
    • C:\Windows\SysWOW64\attrib.exe
      "C:\Windows\System32\attrib.exe" +h +s "C:\ghlqwxps\"
      2⤵
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:2500
    • C:\ghlqwxps\ghlqwxps.exe
      "C:\ghlqwxps\ghlqwxps.exe" C:\ghlqwxps\ghlqwxps
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5692
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" InetCpl.cpl,ClearMyTracksByProcess 8
      2⤵
        PID:5996
        • 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:3988
        • 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:3876
          • 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:2876

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            a1.zip

            • Path C:\ghlqwxps\a1.zip
            • Size 494KB
            • SHA256 d3b8499df23d7b07b3df6ea7ed395906b16e493a003cd36b97b2db71eda7806f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            a2.zip

            • Path C:\ghlqwxps\a2.zip
            • Size 1.3MB
            • SHA256 4cc1ebd695a2c0baab63ed1c146fedd490658bd0b8f6153abce2697546a78253
            • MD5 SHA1 SHA512 SSDEEP TLSH

            a3.zip

            • Path C:\ghlqwxps\a3.zip
            • Size 2KB
            • SHA256 18c1d51868b00af35d871b849cb27fc46b8fa69b8487dffb36b60b18c406aa93
            • MD5 SHA1 SHA512 TLSH

            ghlqwxps

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

            ghlqwxps.exe

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