Analysis

  • max time kernel
    148s
  • max time network
    115s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/10/2026, 11:32

General

  • Target
    svchost.exe
  • Size 414KB
  • Sample261030-nnqq3sec99
  • SHA256 98ae6bcef3253b39eae0d33b6d01681286036c7ff38059b26772b730d33b737f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Creates new service(s) 2 TTPs
  • Executes a file named after a Windows system binary 1 TTPs 5 IoCs

    The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

  • Executes dropped EXE 3 IoCs
  • Stops running service(s) 4 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • 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.

  • Costura .NET executable packer 1 IoCs

    Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.

  • Enumerates video capture drivers 2 TTPs 1 IoCs

    Queries the legacy Video for Windows capture drivers. This is commonly abused by RATs to check for available webcams on the system before reporting to their C2.

  • Launches sc.exe 7 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 6 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    1⤵
    • Executes a file named after a Windows system binary
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5132
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /Create /TN "\Microsoft\Windows\SystemEvents\SystemHealth" /TR "\"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemHealth\svchost.exe\"" /SC ONLOGON /RL HIGHEST /F
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3852
    • C:\Windows\SysWOW64\sc.exe
      "sc.exe" query SystemHealthSvc
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:5776
    • C:\Windows\SysWOW64\sc.exe
      "sc.exe" create SystemHealthSvc binPath= "\"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemHealth\svchost.exe\" -service" start= auto DisplayName= "Windows System Health Service" obj= LocalSystem
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4636
    • C:\Windows\SysWOW64\sc.exe
      "sc.exe" description SystemHealthSvc "Maintains system health, update integrity and background maintenance for Windows."
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:5380
    • C:\Windows\SysWOW64\sc.exe
      "sc.exe" start SystemHealthSvc
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4956
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemHealth\svchost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemHealth\svchost.exe"
      2⤵
      • Executes a file named after a Windows system binary
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:6096
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /Create /TN "\Microsoft\Windows\SystemEvents\SystemHealth" /TR "\"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemHealth\svchost.exe\"" /SC ONLOGON /RL HIGHEST /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4700
      • C:\Windows\SysWOW64\sc.exe
        "sc.exe" query SystemHealthSvc
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:4624
      • C:\Windows\SysWOW64\sc.exe
        "sc.exe" start SystemHealthSvc
        3⤵
        • Launches sc.exe
        • System Location Discovery: System Language Discovery
        PID:124
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemHealth\svchost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemHealth\svchost.exe" -service
    1⤵
    • Executes a file named after a Windows system binary
    • Executes dropped EXE
    • Enumerates video capture drivers
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4620
    • C:\Windows\SysWOW64\sc.exe
      "sc.exe" stop SystemHealthSvc
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4848
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemHealth\svchost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemHealth\svchost.exe"
    1⤵
    • Executes a file named after a Windows system binary
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2464

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        svchost.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SystemHealth\svchost.exe
        • Size 414KB
        • SHA256 98ae6bcef3253b39eae0d33b6d01681286036c7ff38059b26772b730d33b737f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4620-8-0x00000000047F0000-0x0000000004804000-memory.dmp

        memory/4620-16-0x0000000005350000-0x0000000005360000-memory.dmp

        memory/4620-21-0x0000000074440000-0x0000000074BFC000-memory.dmp

        memory/4620-20-0x00000000064F0000-0x0000000006522000-memory.dmp

        memory/4620-19-0x0000000074440000-0x0000000074BFC000-memory.dmp

        memory/4620-6-0x0000000074440000-0x0000000074BFC000-memory.dmp

        memory/4620-7-0x0000000074440000-0x0000000074BFC000-memory.dmp

        memory/4620-9-0x0000000004840000-0x000000000485A000-memory.dmp

        memory/4620-18-0x0000000074440000-0x0000000074BFC000-memory.dmp

        memory/4620-17-0x00000000053A0000-0x00000000053AC000-memory.dmp

        memory/4620-10-0x0000000004860000-0x0000000004894000-memory.dmp

        memory/4620-14-0x00000000048E0000-0x00000000048F6000-memory.dmp

        memory/4620-15-0x0000000005C70000-0x0000000005CD6000-memory.dmp

        memory/5132-4-0x0000000005FE0000-0x0000000006072000-memory.dmp

        memory/5132-2-0x0000000000FB0000-0x0000000000FD2000-memory.dmp

        memory/5132-1-0x00000000003C0000-0x000000000042E000-memory.dmp

        memory/5132-0-0x0000000074452000-0x0000000074453000-memory.dmp

        memory/5132-3-0x0000000006500000-0x0000000006ABA000-memory.dmp

        memory/6096-13-0x00000000068F0000-0x00000000068FA000-memory.dmp