Analysis

  • max time kernel
    148s
  • max time network
    133s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/07/2026, 12:42

General

  • Target
    art/sounds/radio/sox/libsox-3.dll
  • Size 2.2MB
  • Sample260703-pxpe2set3n
  • SHA256 240a7e47a4274908786220f1b92372ed1b5f2a1c29874292fad5e64f120d84b4
  • MD5 SHA1 SHA512 SSDEEP TLSH

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.

  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Program crash 1 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.

  • 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
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 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.

  • Uses Volume Shadow Copy WMI provider

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

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\art\sounds\radio\sox\libsox-3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4208
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\art\sounds\radio\sox\libsox-3.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 536
        3⤵
        • Program crash
        PID:2684
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1748 -ip 1748
    1⤵
      PID:4816
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4640
      • 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:916
    • 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:5616
    • 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:5180
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:5372

      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

            memory/916-203-0x000000000EB70000-0x000000000EC1E000-memory.dmp

            memory/1748-12-0x0000000065080000-0x000000006509C000-memory.dmp

            memory/1748-6-0x0000000010000000-0x0000000010018000-memory.dmp

            memory/1748-14-0x000000006B680000-0x000000006B712000-memory.dmp

            memory/1748-0-0x0000000067D80000-0x0000000067F95000-memory.dmp

            memory/1748-11-0x0000000069180000-0x00000000691AD000-memory.dmp

            memory/1748-1-0x0000000067D80000-0x0000000067F95000-memory.dmp

            memory/1748-9-0x0000000063600000-0x0000000063666000-memory.dmp

            memory/1748-7-0x0000000068B40000-0x0000000068B7A000-memory.dmp

            memory/1748-8-0x000000006D540000-0x000000006D571000-memory.dmp

            memory/1748-4-0x000000006CEC0000-0x000000006CF2D000-memory.dmp

            memory/1748-5-0x0000000068AC0000-0x0000000068AD7000-memory.dmp

            memory/1748-3-0x0000000070680000-0x000000007068E000-memory.dmp

            memory/1748-2-0x0000000064080000-0x00000000640CB000-memory.dmp

            memory/1748-13-0x0000000064940000-0x0000000064955000-memory.dmp

            memory/1748-10-0x000000006B3C0000-0x000000006B3D0000-memory.dmp

            memory/5616-21-0x0000015080000000-0x0000015080100000-memory.dmp

            memory/5616-63-0x0000015080FE0000-0x0000015081000000-memory.dmp

            memory/5616-51-0x0000015083EB0000-0x0000015083FB0000-memory.dmp

            memory/5616-50-0x0000015083A80000-0x0000015083AA0000-memory.dmp

            memory/5616-77-0x00000150841C0000-0x00000150841E0000-memory.dmp