Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    27/07/2026, 22:54

General

  • Target
    2026-07-27_428ec5d7569ce95dcfce86193e541316_elex_wannacry.exe
  • Size 34KB
  • Sample260727-2vxpvsdf93
  • SHA256 e8603f57ab8015dfc4420cd3ccd0a038a7e57d13b65b13353062dc4e62d3e945
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: CryptoDef

    CryptoDef is a Windows trojan written in C.

  • Detects CryptoDef 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\2026-07-27_428ec5d7569ce95dcfce86193e541316_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-27_428ec5d7569ce95dcfce86193e541316_elex_wannacry.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4500
    • C:\Users\Admin\AppData\Local\Temp\eilgx.exe
      "C:\Users\Admin\AppData\Local\Temp\eilgx.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:900

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        eilgx.exe

        • Path C:\Users\Admin\AppData\Local\Temp\eilgx.exe
        • Size 35KB
        • SHA256 a159c01901a84431fbf590d39ba84bb022b1bcc07376c1833b251c38588d9638
        • MD5 SHA1 SHA512 SSDEEP TLSH