General

  • Target
    JaffaCakes118_6c846c3f737167948ae219bcc5bf53c0
  • Size 684KB
  • Sample250103-pbhqdawkbl
  • SHA256 d67bc9c954a176b1efd11a61abbb6c4f2ac9d6f1cd16e16246b15f5cef2b4851
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      JaffaCakes118_6c846c3f737167948ae219bcc5bf53c0
    • Size 684KB
    • SHA256 d67bc9c954a176b1efd11a61abbb6c4f2ac9d6f1cd16e16246b15f5cef2b4851
    • MD5 SHA1 SHA512 SSDEEP
    • Expiro family

    • Expiro, m0yv

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

    • Expiro payload

    • Disables taskbar notifications via registry modification

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 v15

Tasks