General

  • Target
    9c60050be032e881ba8da2e3fe80158b_JaffaCakes118
  • Size 96KB
  • Sample240816-bkkpfa1dpm
  • SHA256 bcaba654fcc2ff4b9c11f18f55c0706d597a187af52cdbcfedc4663eed325bcf
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      9c60050be032e881ba8da2e3fe80158b_JaffaCakes118
    • Size 96KB
    • SHA256 bcaba654fcc2ff4b9c11f18f55c0706d597a187af52cdbcfedc4663eed325bcf
    • MD5 SHA1 SHA512 SSDEEP
    • Expiro, m0yv

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

    • Expiro payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Modifies WinLogon

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks