Overview

overview

8

Static

static

3

svchost_fud.exe

windows10-2004-x64

7

svchost_fud.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    899s
  • max time network
    646s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/08/2026, 14:21

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General

  • Target
    svchost_fud.exe
  • Size 174KB
  • Sample260819-rn3bnax1fx
  • SHA256 14d3c416ef19b73f5d0aac331032f1c35c7017e315403e7995080757c9fcf0a3
  • 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.

  • Looks up external IP address via web service 1 TTPs 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

    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 40 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 40 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.

    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:\Users\Admin\AppData\Local\Temp\svchost_fud.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost_fud.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4832
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5656
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5860
      • 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:700
    • 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:1184
    • 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:4652
    • C:\Windows\System32\SecurityHealthHost.exe
      \\?\C:\Windows\System32\SecurityHealthHost.exe {08728914-3F57-4D52-9E31-49DAECA5A80A} -Embedding
      1⤵
        PID:5924

      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 607B
            • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            memory/700-200-0x000000000E630000-0x000000000E7FA000-memory.dmp
            Download

            memory/1184-34-0x000001F0001E0000-0x000001F0002E0000-memory.dmp
            Download

            memory/1184-51-0x000001F002CB0000-0x000001F002CD0000-memory.dmp
            Download

            memory/1184-53-0x000001F002EE0000-0x000001F002FE0000-memory.dmp
            Download

            memory/1184-65-0x000001F002A10000-0x000001F002A30000-memory.dmp
            Download

            memory/1184-79-0x000001F0146B0000-0x000001F0146D0000-memory.dmp
            Download

            memory/4652-212-0x000001A857000000-0x000001A8572BC000-memory.dmp
            Download

            memory/4652-210-0x000001A857000000-0x000001A8572BC000-memory.dmp
            Download

            memory/4832-5-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp
            Download

            memory/4832-10-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp
            Download

            memory/4832-9-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp
            Download

            memory/4832-8-0x0000000003060000-0x000000000308A000-memory.dmp
            Download

            memory/4832-7-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp
            Download

            memory/4832-6-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp
            Download

            memory/4832-0-0x00007FFC1405F000-0x00007FFC14060000-memory.dmp
            Download

            memory/4832-4-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp
            Download

            memory/4832-3-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp
            Download

            memory/4832-2-0x00007FFC13ED0000-0x00007FFC14874000-memory.dmp
            Download

            memory/4832-1-0x0000000000FF0000-0x0000000001022000-memory.dmp
            Download