General

  • Target
    2026-07-29_76f05612add2fdce79fa6a6bd4c0d24a_elex_wannacry
  • Size 1.0MB
  • Sample260729-y54pdasala
  • SHA256 eebe51f1299b7d59045c3903e8cd9e2ba6a6e3e7c6eae76b18df3c1221169549
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2026-07-29_76f05612add2fdce79fa6a6bd4c0d24a_elex_wannacry
    • Size 1.0MB
    • SHA256 eebe51f1299b7d59045c3903e8cd9e2ba6a6e3e7c6eae76b18df3c1221169549
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Expiro payload

    • Family: Expiro, m0yv

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

    • Disables taskbar notifications via registry modification

    • 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.

    • Windows security modification

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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