Overview

overview

8

Static

static

1

sleepy-cat-3.jpg

windows10-2004-x64

sleepy-cat-3.jpg

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    1049s
  • max time network
    433s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 11:32

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General

  • Target
    sleepy-cat-3.jpg
  • Size 13KB
  • Sample260708-nnbbdsez51
  • SHA256 a45aa4410709570cfb93b090d7a6de1c2b4a8499addcee76b1c437db8bb899a1
  • 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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 3 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
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Windows\system32\mspaint.exe
    "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\sleepy-cat-3.jpg"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:2564
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService
    1⤵
    • Checks SCSI registry key(s)
    PID:1852
  • C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4108
    • C:\Windows\system32\ipconfig.exe
      ipconfig
      2⤵
      • Gathers network information
      PID:4700
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4184
    • 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 behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3024
      • C:\Windows\system32\taskmgr.exe
        "C:\Windows\system32\taskmgr.exe" /7
        3⤵
        • Checks SCSI registry key(s)
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:2412
  • 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:3192
  • 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:1908
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3572
    • C:\Windows\System32\oobe\UserOOBEBroker.exe
      C:\Windows\System32\oobe\UserOOBEBroker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      PID:2892
    • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe
      C:\Users\Admin\AppData\Local\Microsoft\OneDrive\18.151.0729.0013\FileCoAuth.exe -Embedding
      1⤵
      • System Location Discovery: System Language Discovery
      PID:6084
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:2792

      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/1908-179-0x000001DB8C7A0000-0x000001DB8CE31000-memory.dmp
            Download

            memory/1908-180-0x000001DB8C7A0000-0x000001DB8CE31000-memory.dmp
            Download

            memory/2412-900-0x00000167AD4C0000-0x00000167AD4C1000-memory.dmp
            Download

            memory/2412-907-0x00000167AD4C0000-0x00000167AD4C1000-memory.dmp
            Download

            memory/2412-908-0x00000167AD4C0000-0x00000167AD4C1000-memory.dmp
            Download

            memory/2412-909-0x00000167AD4C0000-0x00000167AD4C1000-memory.dmp
            Download

            memory/2412-905-0x00000167AD4C0000-0x00000167AD4C1000-memory.dmp
            Download

            memory/2412-906-0x00000167AD4C0000-0x00000167AD4C1000-memory.dmp
            Download

            memory/2412-910-0x00000167AD4C0000-0x00000167AD4C1000-memory.dmp
            Download

            memory/2412-898-0x00000167AD4C0000-0x00000167AD4C1000-memory.dmp
            Download

            memory/3192-33-0x0000024005B30000-0x0000024005C30000-memory.dmp
            Download

            memory/3192-599-0x000002401A420000-0x000002401A520000-memory.dmp
            Download

            memory/3192-600-0x000002401CA90000-0x000002401CB90000-memory.dmp
            Download

            memory/3192-259-0x000002401A420000-0x000002401A520000-memory.dmp
            Download

            memory/3192-31-0x00000240056D0000-0x00000240056F0000-memory.dmp
            Download

            memory/3192-2-0x0000024002E80000-0x0000024002F80000-memory.dmp
            Download

            memory/3192-67-0x0000024005ED0000-0x0000024005EF0000-memory.dmp
            Download

            memory/3192-53-0x0000024005930000-0x0000024005950000-memory.dmp
            Download