Analysis

  • max time kernel
    599s
  • max time network
    555s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 05:45

General

  • Target
    SirHurt V5 (Legacy UI).exe
  • Size 7.1MB
  • Sample260802-gfp19adn8v
  • SHA256 571576b049309166940b9e0428157b7cb3fd4cec3b93c71690e5b53dba833611
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 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.

  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 44 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\SirHurt V5 (Legacy UI).exe
    "C:\Users\Admin\AppData\Local\Temp\SirHurt V5 (Legacy UI).exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:4132
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5136
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5492
      • 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:5028
    • 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:5864
    • 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:5196

    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 607B
          • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
          • MD5 SHA1 SHA512 TLSH

          SciLexer.dll

          • Path C:\Users\Admin\AppData\Local\Temp\ScintillaNET\3.6.3\x86\SciLexer.dll
          • Size 943KB
          • SHA256 08f0cbbc5162f236c37166772be2c9b8ffd465d32df17ea9d45626c4ed2c911d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/4132-7-0x0000000005A30000-0x0000000005FEA000-memory.dmp

          memory/4132-16-0x0000000075A00000-0x0000000075C8A000-memory.dmp

          memory/4132-6-0x0000000000400000-0x00000000010F8000-memory.dmp

          memory/4132-0-0x0000000000400000-0x00000000010F8000-memory.dmp

          memory/4132-8-0x00000000037A0000-0x0000000003832000-memory.dmp

          memory/4132-9-0x0000000075A00000-0x0000000075C8A000-memory.dmp

          memory/4132-10-0x00000000058B0000-0x00000000058BA000-memory.dmp

          memory/4132-11-0x0000000006AF0000-0x0000000006C44000-memory.dmp

          memory/4132-4-0x0000000075A00000-0x0000000075C8A000-memory.dmp

          memory/4132-5-0x0000000000400000-0x00000000010F8000-memory.dmp

          memory/4132-17-0x0000000009D40000-0x0000000009DEA000-memory.dmp

          memory/4132-18-0x0000000000400000-0x00000000010F8000-memory.dmp

          memory/4132-19-0x0000000075A00000-0x0000000075C8A000-memory.dmp

          memory/4132-1-0x0000000075B4E000-0x0000000075B4F000-memory.dmp

          memory/5864-64-0x0000022E873F0000-0x0000022E874F0000-memory.dmp

          memory/5864-123-0x0000022E9B5A0000-0x0000022E9B5C0000-memory.dmp

          memory/5864-90-0x0000022E8B0C0000-0x0000022E8B1C0000-memory.dmp

          memory/5864-99-0x0000022E8AEB0000-0x0000022E8AED0000-memory.dmp

          memory/5864-88-0x0000022E8AE70000-0x0000022E8AE90000-memory.dmp