Overview

overview

8

Static

static

1

Sponge Unb...up.bat

windows10-2004-x64

8

Sponge Unb...up.bat

windows11-ltsc_2024-x64

8

Sponge Unb...ner.py

windows10-2004-x64

3

Sponge Unb...ner.py

windows11-ltsc_2024-x64

3

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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, 00:47

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General

  • Target
    Sponge Unbanner/SpongeSetup.bat
  • Size 1KB
  • Sample260708-a5fesagx8x
  • SHA256 b5e934c5b6912620dd1e13ac44fad70d116395e874fa53857a5d5c12796b6033
  • MD5 SHA1 SHA512 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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 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 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 43 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Sponge Unbanner\SpongeSetup.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1884
    • C:\Windows\system32\curl.exe
      curl -o python_installer.exe https://www.python.org/ftp/python/3.11.8/python-3.11.8-amd64.exe
      2⤵
        PID:3220
      • C:\Users\Admin\AppData\Local\Temp\Sponge Unbanner\python_installer.exe
        python_installer.exe
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1916
        • C:\Windows\Temp\{CD6AAB96-CCE4-4FAC-AC4B-9E47F1545C18}\.cr\python_installer.exe
          "C:\Windows\Temp\{CD6AAB96-CCE4-4FAC-AC4B-9E47F1545C18}\.cr\python_installer.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\Sponge Unbanner\python_installer.exe" -burn.filehandle.attached=604 -burn.filehandle.self=744
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:3944
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5776
      • 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:248
    • 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:2500
    • 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:5668

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          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

          python_installer.exe
          • Path C:\Users\Admin\AppData\Local\Temp\Sponge Unbanner\python_installer.exe
          • Size 24.9MB
          • SHA256 fd3428eb6c80901b877d036ffa2be127ccad9bbe036a43f00fc96a48b724f9c7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          PythonBA.dll
          • Path C:\Windows\Temp\{C873A98C-3227-460C-B7FE-336CB364C84D}\.ba\PythonBA.dll
          • Size 675KB
          • SHA256 37bfddbba1c105dbead1d190e31274d983b13ff1bae61c0b353080cd9777f263
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          SideBar.png
          • Path C:\Windows\Temp\{C873A98C-3227-460C-B7FE-336CB364C84D}\.ba\SideBar.png
          • Size 50KB
          • SHA256 79434bd1368f47f08acf6db66638531d386bf15166d78d9bfea4da164c079067
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          python_installer.exe
          • Path C:\Windows\Temp\{CD6AAB96-CCE4-4FAC-AC4B-9E47F1545C18}\.cr\python_installer.exe
          • Size 858KB
          • SHA256 c2c376448a69bbb65cb3bb50bab97fe27909780d47c1621d420bf5d4968d64f7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/248-252-0x000000000DE50000-0x000000000E6CB000-memory.dmp
          Download

          memory/2500-79-0x000001CBA1CF0000-0x000001CBA1DF0000-memory.dmp
          Download

          memory/2500-124-0x000001CB94210000-0x000001CB94230000-memory.dmp
          Download

          memory/2500-93-0x000001CB83440000-0x000001CB83460000-memory.dmp
          Download

          memory/2500-95-0x000001CB93890000-0x000001CB93990000-memory.dmp
          Download

          memory/2500-80-0x000001CBA1CF0000-0x000001CBA1DF0000-memory.dmp
          Download

          memory/2500-110-0x000001CB83690000-0x000001CB836B0000-memory.dmp
          Download

          memory/2500-78-0x000001CBA1CF0000-0x000001CBA1DF0000-memory.dmp
          Download