General

  • Target
    Rawan inquiry.doc
  • Size 896KB
  • Sample201103-emskh5qrz2
  • SHA256 b136291a17e064dd9d44cc454556980107d96da2a0adb1a31eb2db3531b6832a
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      Rawan inquiry.doc
    • Size 896KB
    • SHA256 b136291a17e064dd9d44cc454556980107d96da2a0adb1a31eb2db3531b6832a
    • MD5 SHA1 SHA512
    • MassLogger

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

    • MassLogger Main Payload

    • Blacklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks