General

  • Target

    JaffaCakes118_774cff64cf516936ddf4842b4bc8706a

  • Size

    764KB

  • Sample

    250104-ds52fsykgz

  • MD5

    774cff64cf516936ddf4842b4bc8706a

  • SHA1

    72270607c9fbf4d939eccf83680daf8c643a1feb

  • SHA256

    e251ce316981a1d19efec2b4e961b7d7fe6c70a0b33e98f1854eddfa482685b8

  • SHA512

    e259ba1635b9c0c0a9f42e9fc4a7864a4427f99ffff0e93afbaed02290a52f320e41bce03dc02a23df50a2c72aa49c2fe80108efd601821b0c6c710618728fd6

  • SSDEEP

    12288:fvqlqSrzEAupLiPuSrN0GMa2gCQ033RJgonvmXnA4vklNgHF1UzUDJNgvi2OUMsK:3sqSroAupL8uSrOGMzgCQ033IovmXA44

Malware Config

Targets

    • Target

      JaffaCakes118_774cff64cf516936ddf4842b4bc8706a

    • Size

      764KB

    • MD5

      774cff64cf516936ddf4842b4bc8706a

    • SHA1

      72270607c9fbf4d939eccf83680daf8c643a1feb

    • SHA256

      e251ce316981a1d19efec2b4e961b7d7fe6c70a0b33e98f1854eddfa482685b8

    • SHA512

      e259ba1635b9c0c0a9f42e9fc4a7864a4427f99ffff0e93afbaed02290a52f320e41bce03dc02a23df50a2c72aa49c2fe80108efd601821b0c6c710618728fd6

    • SSDEEP

      12288:fvqlqSrzEAupLiPuSrN0GMa2gCQ033RJgonvmXnA4vklNgHF1UzUDJNgvi2OUMsK:3sqSroAupL8uSrOGMzgCQ033IovmXA44

    • 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