General

  • Target

    JaffaCakes118_6af0878c78577e69bbbca6c75651a9f0

  • Size

    764KB

  • Sample

    250103-hsh9xatlbt

  • MD5

    6af0878c78577e69bbbca6c75651a9f0

  • SHA1

    b8e41380c271caaab0ca124e2fdecb942f9d9d4d

  • SHA256

    8026f0a34be72b273af30c71f7399b9e8b0014e4f17e6559fda4ac5962882c3d

  • SHA512

    9ecef9815e6af89c9743af60113e99beb0733d471479db155c9e6bd01c49cba5129e40801c586699e8c687497d2e0b68e9ae88fbb26649bd678f8103ebaef833

  • SSDEEP

    12288:bvuloS7zEAoHLiPcS7N06aaVH6K8pWoYYR9WRwHJSKOHRkFGv2inE6qVN/43BysV:D4oS7oAoHL8cS7O6a6H6K0WI9WRwHEKG

Malware Config

Targets

    • Target

      JaffaCakes118_6af0878c78577e69bbbca6c75651a9f0

    • Size

      764KB

    • MD5

      6af0878c78577e69bbbca6c75651a9f0

    • SHA1

      b8e41380c271caaab0ca124e2fdecb942f9d9d4d

    • SHA256

      8026f0a34be72b273af30c71f7399b9e8b0014e4f17e6559fda4ac5962882c3d

    • SHA512

      9ecef9815e6af89c9743af60113e99beb0733d471479db155c9e6bd01c49cba5129e40801c586699e8c687497d2e0b68e9ae88fbb26649bd678f8103ebaef833

    • SSDEEP

      12288:bvuloS7zEAoHLiPcS7N06aaVH6K8pWoYYR9WRwHJSKOHRkFGv2inE6qVN/43BysV:D4oS7oAoHL8cS7O6a6H6K0WI9WRwHEKG

    • 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