Overview

overview

6

Static

static

3

Matcha Ext...al.exe

windows10-2004-x64

3

Matcha Ext...al.exe

windows11-ltsc_2024-x64

4

Matcha Ext...er.exe

windows10-2004-x64

1

Matcha Ext...er.exe

windows11-ltsc_2024-x64

1

Matcha Ext...ns.dll

windows10-2004-x64

1

Matcha Ext...ns.dll

windows11-ltsc_2024-x64

1

Matcha Ext...es.dll

windows10-2004-x64

1

Matcha Ext...es.dll

windows11-ltsc_2024-x64

1

Matcha Ext...le.dll

windows10-2004-x64

1

Matcha Ext...le.dll

windows11-ltsc_2024-x64

1

Matcha Ext...ss.dll

windows10-2004-x64

1

Matcha Ext...ss.dll

windows11-ltsc_2024-x64

1

Matcha Ext...ib.dll

windows10-2004-x64

1

Matcha Ext...ib.dll

windows11-ltsc_2024-x64

1

Matcha Ext...es.dll

windows10-2004-x64

1

Matcha Ext...es.dll

windows11-ltsc_2024-x64

6

Matcha Ext...me.dll

windows10-2004-x64

1

Matcha Ext...me.dll

windows11-ltsc_2024-x64

1

Matcha Ext...ms.dll

windows10-2004-x64

1

Matcha Ext...ms.dll

windows11-ltsc_2024-x64

1

Matcha Ext...ws.dll

windows10-2004-x64

1

Matcha Ext...ws.dll

windows11-ltsc_2024-x64

1

Matcha Ext...al.dll

windows10-2004-x64

1

Matcha Ext...al.dll

windows11-ltsc_2024-x64

1

Matcha Ext...ns.dll

windows10-2004-x64

1

Matcha Ext...ns.dll

windows11-ltsc_2024-x64

1

Matcha Ext...ad.dll

windows10-2004-x64

1

Matcha Ext...ad.dll

windows11-ltsc_2024-x64

6

Matcha Ext...ng.dll

windows10-2004-x64

1

Matcha Ext...ng.dll

windows11-ltsc_2024-x64

1

Matcha Ext...it.dll

windows10-2004-x64

1

Matcha Ext...it.dll

windows11-ltsc_2024-x64

1

Analysis

  • max time kernel
    45s
  • max time network
    55s
  • 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

Sharing

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Report Analysis Logs

General

  • Target
    Matcha External/System.Threading.Thread.dll
  • Size 15KB
  • Sample260627-c5ppkahs2k
  • SHA256 ecbe1cde0de93b08489005de9b2ba627725dc55646735dcf0f027e0e1fce6f6c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
adwarepersistencespyware

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks SCSI registry key(s) 3 TTPs 42 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Matcha External\System.Threading.Thread.dll",#1
    1⤵
      PID:1384
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1568
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:5580
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
        PID:2364
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
          PID:3656
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k GPSvcGroup
          1⤵
            PID:1640

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                prep_Activatable Class_Hermes_perf.cache
                • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                • Size 599B
                • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                memory/2364-1-0x0000027300210000-0x0000027300310000-memory.dmp
                Download

                memory/2364-2-0x0000027300210000-0x0000027300310000-memory.dmp
                Download

                memory/2364-16-0x0000027313D70000-0x0000027313E70000-memory.dmp
                Download

                memory/2364-14-0x0000027303930000-0x0000027303950000-memory.dmp
                Download

                memory/2364-47-0x0000027315160000-0x0000027315180000-memory.dmp
                Download

                memory/2364-33-0x0000027303CF0000-0x0000027303D10000-memory.dmp
                Download

                memory/5580-204-0x0000000005030000-0x00000000051FA000-memory.dmp
                Download