Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/07/2026, 19:43

General

  • Target
    2026-07-23_d2b053ead95c9ee3a4287849b3339469_elex_wannacry.exe
  • Size 31KB
  • Sample260723-ye8weach49
  • SHA256 0710badfc90cbdcd2bd993d8aebff2648b30eb94fa0356dfa7529b9fa6e3e89a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Waski

    Waski is a trojan downloader written in C++.

  • Detects Waski payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-23_d2b053ead95c9ee3a4287849b3339469_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-23_d2b053ead95c9ee3a4287849b3339469_elex_wannacry.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
      "C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5696

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        codecsupdater.exe

        • Path C:\Users\Admin\AppData\Local\Temp\codecsupdater.exe
        • Size 31KB
        • SHA256 be21b07bbc85d2a157b3391fb804c6cce6bc9daa3cb3961c0c227960745fbde1
        • MD5 SHA1 SHA512 SSDEEP TLSH