General

  • Target

    9f9983a3e4730756e3879ef7cc39efc9_JaffaCakes118

  • Size

    969KB

  • Sample

    240611-1d23kssemm

  • MD5

    9f9983a3e4730756e3879ef7cc39efc9

  • SHA1

    c93f02b1fda92d4a4fda842714bc61745527946e

  • SHA256

    8d9935cd8f8d2e5f305b229f6992fbee9e4b5c4e6063568c5e150f51fa0f91b1

  • SHA512

    cd291bf33e70177384b6bdbde469011b5f149fb4740c684d4d638694e9146ea00da24c173bb597a721597444325213a6b434a511d2fbe7edc9a0e65ec153e381

  • SSDEEP

    12288:v9+UFSbzwd6xyFjH8H1NDNCqovrO43qQh2coPlMWfA+LQ3RfZIxuXE7g2+W7V:F+pbzwIxk4VdoqmTOHLL4RmjFR

Malware Config

Targets

    • Target

      9f9983a3e4730756e3879ef7cc39efc9_JaffaCakes118

    • Size

      969KB

    • MD5

      9f9983a3e4730756e3879ef7cc39efc9

    • SHA1

      c93f02b1fda92d4a4fda842714bc61745527946e

    • SHA256

      8d9935cd8f8d2e5f305b229f6992fbee9e4b5c4e6063568c5e150f51fa0f91b1

    • SHA512

      cd291bf33e70177384b6bdbde469011b5f149fb4740c684d4d638694e9146ea00da24c173bb597a721597444325213a6b434a511d2fbe7edc9a0e65ec153e381

    • SSDEEP

      12288:v9+UFSbzwd6xyFjH8H1NDNCqovrO43qQh2coPlMWfA+LQ3RfZIxuXE7g2+W7V:F+pbzwIxk4VdoqmTOHLL4RmjFR

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger Main payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks