General

  • Target

    f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691

  • Size

    578KB

  • Sample

    220326-twvb5aegh6

  • MD5

    db4be1a01dfea46c07083a9162281c61

  • SHA1

    f4d2a061df53b905850e1aecb2c007d200e38751

  • SHA256

    f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691

  • SHA512

    fb92b2ce23378497d0b2b820e1029248bf8a669fcf02ed5e1d14e98ff14991a57ab3ddf41cbe40d4fc3fc083429f73a644ea7231f5b079e2e6831c10aad604cb

Malware Config

Targets

    • Target

      f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691

    • Size

      578KB

    • MD5

      db4be1a01dfea46c07083a9162281c61

    • SHA1

      f4d2a061df53b905850e1aecb2c007d200e38751

    • SHA256

      f9548d4c7723aa9facd483bfd30b520961db98087ac08fd7ddb7550410b5d691

    • SHA512

      fb92b2ce23378497d0b2b820e1029248bf8a669fcf02ed5e1d14e98ff14991a57ab3ddf41cbe40d4fc3fc083429f73a644ea7231f5b079e2e6831c10aad604cb

    • 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.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • 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 v6

Tasks