Analysis

  • max time kernel
    900s
  • max time network
    463s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/08/2026, 02:34

General

  • Target
    ScreenWings.exe
  • Size 4.0MB
  • Sample260805-c2pkdscb96
  • SHA256 481ecd41bef2a33076729680747eb92e4e2964bed89c58825d80f602de19f214
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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.

  • ConfuserEx .NET packer 4 IoCs

    Detects ConfuserEx .NET packer.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • 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.

  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 38 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 38 IoCs
  • Suspicious use of FindShellTrayWindow 63 IoCs
  • Suspicious use of SendNotifyMessage 45 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.

  • 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:\Users\Admin\AppData\Local\Temp\ScreenWings.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenWings.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks whether UAC is enabled
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:6076
  • C:\Users\Admin\AppData\Local\Temp\ScreenWings.exe
    "C:\Users\Admin\AppData\Local\Temp\ScreenWings.exe" -autostart
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks whether UAC is enabled
    • System Location Discovery: System Language Discovery
    PID:5100
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5928
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2668
      • 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:4364
    • 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:3212
    • 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:1976
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:2164

      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/1976-140-0x0000015681CD0000-0x0000015681CF0000-memory.dmp

            memory/1976-141-0x0000015681EE0000-0x0000015681FE0000-memory.dmp

            memory/1976-147-0x0000015681D20000-0x0000015681D40000-memory.dmp

            memory/1976-175-0x0000015694260000-0x0000015694280000-memory.dmp

            memory/1976-129-0x00000156801E0000-0x00000156802E0000-memory.dmp

            memory/5100-17-0x0000000000720000-0x00000000011C0000-memory.dmp

            memory/5100-25-0x0000000003A20000-0x0000000003A54000-memory.dmp

            memory/5100-24-0x0000000000720000-0x00000000011C0000-memory.dmp

            memory/5100-23-0x0000000000720000-0x00000000011C0000-memory.dmp

            memory/6076-11-0x000000000AB00000-0x000000000B0BA000-memory.dmp

            memory/6076-10-0x000000000A3A0000-0x000000000A43C000-memory.dmp

            memory/6076-15-0x0000000008310000-0x0000000008376000-memory.dmp

            memory/6076-16-0x0000000076A70000-0x0000000076CFA000-memory.dmp

            memory/6076-13-0x0000000005DF0000-0x0000000005DFA000-memory.dmp

            memory/6076-19-0x0000000076BBE000-0x0000000076BBF000-memory.dmp

            memory/6076-9-0x0000000076A70000-0x0000000076CFA000-memory.dmp

            memory/6076-14-0x0000000006060000-0x00000000060B6000-memory.dmp

            memory/6076-12-0x0000000005FC0000-0x0000000006052000-memory.dmp

            memory/6076-0-0x0000000000720000-0x00000000011C0000-memory.dmp

            memory/6076-8-0x0000000005D10000-0x0000000005D44000-memory.dmp

            memory/6076-7-0x0000000000720000-0x00000000011C0000-memory.dmp

            memory/6076-6-0x0000000000720000-0x00000000011C0000-memory.dmp

            memory/6076-5-0x0000000076A70000-0x0000000076CFA000-memory.dmp

            memory/6076-1-0x0000000076BBE000-0x0000000076BBF000-memory.dmp