Analysis

  • max time kernel
    57s
  • max time network
    6s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/06/2026, 02:39

General

  • Target
    Matcha External/System.ComponentModel.Primitives.dll
  • Size 78KB
  • Sample260627-c5ppkahs2k
  • SHA256 304635dbc025b5c3bff78df48c19980e9b52c632a7d3c145b61288f546293bf7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
1/10

Malware Config

Signatures

  • Suspicious use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Matcha External\System.ComponentModel.Primitives.dll",#1
    1⤵
      PID:1876
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:2800
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:3372
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
          PID:2960
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:4080

          Network

                MITRE ATT&CK Matrix

                Replay Monitor

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                Downloads

                memory/2960-1-0x0000020355E40000-0x0000020355F40000-memory.dmp