General

  • Target
    354852369f73c1ea5373b80d41dcea51da050314e4166f6db31d77708181630d
  • Size 1.1MB
  • Sample220420-e1257sfehj
  • SHA256 354852369f73c1ea5373b80d41dcea51da050314e4166f6db31d77708181630d
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      354852369f73c1ea5373b80d41dcea51da050314e4166f6db31d77708181630d
    • Size 1.1MB
    • SHA256 354852369f73c1ea5373b80d41dcea51da050314e4166f6db31d77708181630d
    • MD5 SHA1 SHA512
    • MassLogger

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

    • MassLogger Main Payload

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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 v6

Tasks