General

  • Target
    2026-08-02_8871ea1b91952f437b1c0a8378774351_elex_wannacry
  • Size 991KB
  • Sample260802-wdgdnadn2w
  • SHA256 c4e968d37439e698fb756151ecdeae8836565a1ca8bc9c61d7b0578986c55ed7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-08-02_8871ea1b91952f437b1c0a8378774351_elex_wannacry
    • Size 991KB
    • SHA256 c4e968d37439e698fb756151ecdeae8836565a1ca8bc9c61d7b0578986c55ed7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Expiro payload

    • Family: Expiro, m0yv

      Expiro aka m0yv is a multi-functional backdoor written in C++.

    • Detects executables packed with VMProtect.

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Drops Chrome extension

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks