General

  • Target

    JaffaCakes118_6638c2454fae573f5fcd5c1727d81a50

  • Size

    764KB

  • Sample

    250102-s7whwszmdr

  • MD5

    6638c2454fae573f5fcd5c1727d81a50

  • SHA1

    a443aeed6b13ee6665d20f28f5a137e892a6f433

  • SHA256

    053ed994ce446537f7eaec4b456bf43394201380958bb63bd53cc868c9c98f5f

  • SHA512

    4cec0129c65fe4daf18216c7907a5cc805fda99e702872fb33ff7f715a1c508cd3f11b3a9d77222e489e5110d5e43cbd0d07401829af7cead04e65359e6277ca

  • SSDEEP

    12288:bvuloS7zEAoHLiPcS7N0vaaErLyEtOckA9Zzl42OwAHoOcGps2QJ1gsq5oCpv14H:D4oS7oAoHL8cS7OvaRL5tlvcQAHoOc9c

Malware Config

Targets

    • Target

      JaffaCakes118_6638c2454fae573f5fcd5c1727d81a50

    • Size

      764KB

    • MD5

      6638c2454fae573f5fcd5c1727d81a50

    • SHA1

      a443aeed6b13ee6665d20f28f5a137e892a6f433

    • SHA256

      053ed994ce446537f7eaec4b456bf43394201380958bb63bd53cc868c9c98f5f

    • SHA512

      4cec0129c65fe4daf18216c7907a5cc805fda99e702872fb33ff7f715a1c508cd3f11b3a9d77222e489e5110d5e43cbd0d07401829af7cead04e65359e6277ca

    • SSDEEP

      12288:bvuloS7zEAoHLiPcS7N0vaaErLyEtOckA9Zzl42OwAHoOcGps2QJ1gsq5oCpv14H:D4oS7oAoHL8cS7OvaRL5tlvcQAHoOc9c

    • 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