Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/01/2025, 19:09

General

  • Target
    Spoofer/SpooferByKox.exe
  • Size 37KB
  • Sample250115-xt7ffstlar
  • SHA256 17e23b6b16ac79160e2627851c2f2964ccc0d1eb20997d4ab80ac330f1cb43e1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Spoofer\SpooferByKox.exe
    "C:\Users\Admin\AppData\Local\Temp\Spoofer\SpooferByKox.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:116
    • C:\Users\Admin\AppData\Roaming\server.exe
      "C:\Users\Admin\AppData\Roaming\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4104
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1460

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        server.exe

        • Path C:\Users\Admin\AppData\Roaming\server.exe
        • Size 37KB
        • SHA256 17e23b6b16ac79160e2627851c2f2964ccc0d1eb20997d4ab80ac330f1cb43e1
        • MD5 SHA1 SHA512 SSDEEP

        memory/116-0-0x00000000749B2000-0x00000000749B3000-memory.dmp

        memory/116-1-0x00000000749B0000-0x0000000074F61000-memory.dmp

        memory/116-2-0x00000000749B0000-0x0000000074F61000-memory.dmp

        memory/116-12-0x00000000749B0000-0x0000000074F61000-memory.dmp

        memory/4104-13-0x00000000749B0000-0x0000000074F61000-memory.dmp

        memory/4104-14-0x00000000749B0000-0x0000000074F61000-memory.dmp

        memory/4104-15-0x00000000749B0000-0x0000000074F61000-memory.dmp

        memory/4104-17-0x00000000749B0000-0x0000000074F61000-memory.dmp

        memory/4104-18-0x00000000749B0000-0x0000000074F61000-memory.dmp