General

  • Target

    b55cc68932bd36e0d0da05c5c40afd2416e6a505822584667780b48e469f22ed

  • Size

    1.4MB

  • Sample

    220415-psfbkscch6

  • MD5

    ca7957bbdbd7829ab15c624367f3b82f

  • SHA1

    de862cb3c487d36ab954bbd2d7cce9bb217c8b09

  • SHA256

    b55cc68932bd36e0d0da05c5c40afd2416e6a505822584667780b48e469f22ed

  • SHA512

    f9ab5a37f57d751b84ebb362fe2431bad8dd1b68cdeb221aa9856a77c02dbff0f55c6783a6438356b09960bee0aa3b4cedf866910a65e6a19d21bb0bb278725a

Malware Config

Targets

    • Target

      b55cc68932bd36e0d0da05c5c40afd2416e6a505822584667780b48e469f22ed

    • Size

      1.4MB

    • MD5

      ca7957bbdbd7829ab15c624367f3b82f

    • SHA1

      de862cb3c487d36ab954bbd2d7cce9bb217c8b09

    • SHA256

      b55cc68932bd36e0d0da05c5c40afd2416e6a505822584667780b48e469f22ed

    • SHA512

      f9ab5a37f57d751b84ebb362fe2431bad8dd1b68cdeb221aa9856a77c02dbff0f55c6783a6438356b09960bee0aa3b4cedf866910a65e6a19d21bb0bb278725a

    • 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

    • 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