Overview

overview

8

Static

static

3

Kittystrapper.exe

windows10-2004-x64

8

Kittystrapper.exe

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    70s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 16:04

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General

  • Target
    Kittystrapper.exe
  • Size 11.3MB
  • Sample260706-th1a8ads5j
  • SHA256 1801a2f4bbeef3bf967329a30b2f258d443dd610ffdef12d5bb73bd34ee594b2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwarediscoverypersistenceransomwarespyware

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
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • 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 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 56 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\Kittystrapper.exe
    "C:\Users\Admin\AppData\Local\Temp\Kittystrapper.exe"
    1⤵
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:936
    • C:\Users\Admin\AppData\Local\Kittystrapper\Versions\version-5cf2272675e145f5\RobloxPlayerBeta.exe
      "C:\Users\Admin\AppData\Local\Kittystrapper\Versions\version-5cf2272675e145f5\RobloxPlayerBeta.exe"
      2⤵
        PID:6864
      • C:\Users\Admin\AppData\Local\Kittystrapper\Versions\version-5cf2272675e145f5\RobloxPlayerBeta.exe
        "C:\Users\Admin\AppData\Local\Kittystrapper\Versions\version-5cf2272675e145f5\RobloxPlayerBeta.exe"
        2⤵
          PID:6880
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:1516
        • 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 behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of SetWindowsHookEx
          PID:5364
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:5392
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:1932
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:4728

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              RobloxPlayerBeta.dll
              • Path C:\Users\Admin\AppData\Local\Kittystrapper\Versions\version-5cf2272675e145f5\RobloxPlayerBeta.dll
              • Size 21.1MB
              • SHA256 735aa9c8dde82f0d8aefd1aced464df2e0ca44b9b3bd23b15737f670d53bbbb7
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              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

              Kittystrapper.lnk
              • Path C:\Users\Admin\Desktop\Kittystrapper.lnk
              • Size 1KB
              • SHA256 41cdc10b708137474ec6f57cf00ff9d0c72deaf811376ca7e830b16b523ae239
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              memory/5364-186-0x000000000F620000-0x000000000F6A0000-memory.dmp
              Download

              memory/5364-187-0x000000000F620000-0x000000000F6A0000-memory.dmp
              Download

              memory/5392-32-0x00000211866B0000-0x00000211866D0000-memory.dmp
              Download

              memory/5392-41-0x0000021186910000-0x0000021186930000-memory.dmp
              Download

              memory/5392-33-0x0000021196B10000-0x0000021196C10000-memory.dmp
              Download

              memory/5392-66-0x0000021196E90000-0x0000021196EB0000-memory.dmp
              Download

              memory/5392-20-0x0000021181E70000-0x0000021181F70000-memory.dmp
              Download

              memory/5392-18-0x0000021181E70000-0x0000021181F70000-memory.dmp
              Download