Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    03/07/2026, 02:34

General

  • Target
    2026-07-03_cb3eb802aac795e3f31fd1d69a57177a_elex_wannacry.exe
  • Size 317KB
  • Sample260703-c2l49sat21
  • SHA256 aed7bd2358c8700a3c0873867ec2d5edabd01cc1cf663cc2bc0b31a08e280ac7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-03_cb3eb802aac795e3f31fd1d69a57177a_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-03_cb3eb802aac795e3f31fd1d69a57177a_elex_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4772
    • C:\Windows\SysWOW64\wcpsvsu.exe
      "C:\Windows\system32\wcpsvsu.exe" /no_ads
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2404

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        wcpsvsu.exe

        • Path C:\Windows\SysWOW64\wcpsvsu.exe
        • Size 325KB
        • SHA256 1894e749b775e5f2262d66e1987a4668bd91003165a68d2b13cf00955998457b
        • MD5 SHA1 SHA512 SSDEEP TLSH