General

  • Target

    JaffaCakes118_04bd7e983c4737f0c1e842d32f908af0

  • Size

    464KB

  • Sample

    250219-lvyddsykdt

  • MD5

    04bd7e983c4737f0c1e842d32f908af0

  • SHA1

    d8b4782be8b1c54e0582420476af25e5e75b6696

  • SHA256

    90d97bb483b57c5cf0a347691e76219aea2d50ddded493df84095e5c95591fb0

  • SHA512

    1915cde72e400079c73091eef6178fb608ce57b0902aaabac363e8bf9ebb8e7a4d8d37928b09df720001dbc379031e9414196aba29162ed982fd43b459329ed1

  • SSDEEP

    6144:gYF+ylFdeXGtYrklpMZVWvi3QT3MEQ+ttubNHBv5voeFCP3T8z63MPfsRavupY0k:LhlKU50ZVugQjv7ttu9gFc3sRav0k

Malware Config

Targets

    • Target

      JaffaCakes118_04bd7e983c4737f0c1e842d32f908af0

    • Size

      464KB

    • MD5

      04bd7e983c4737f0c1e842d32f908af0

    • SHA1

      d8b4782be8b1c54e0582420476af25e5e75b6696

    • SHA256

      90d97bb483b57c5cf0a347691e76219aea2d50ddded493df84095e5c95591fb0

    • SHA512

      1915cde72e400079c73091eef6178fb608ce57b0902aaabac363e8bf9ebb8e7a4d8d37928b09df720001dbc379031e9414196aba29162ed982fd43b459329ed1

    • SSDEEP

      6144:gYF+ylFdeXGtYrklpMZVWvi3QT3MEQ+ttubNHBv5voeFCP3T8z63MPfsRavupY0k:LhlKU50ZVugQjv7ttu9gFc3sRav0k

    • Expiro family

    • Expiro, m0yv

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

    • Expiro payload

    • 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 v15

Tasks