General

  • Target

    4df535122fda2ea32e9eea5666166e3e82e86dc0fb0b79a31114dbf1836eafdc

  • Size

    1.3MB

  • Sample

    220427-s5cb8sbeb4

  • MD5

    d4a978bbd0e73121fb0aee4662cea891

  • SHA1

    32a5b9a80c8ffa33064f7b3fdf67fd226e7c1625

  • SHA256

    4df535122fda2ea32e9eea5666166e3e82e86dc0fb0b79a31114dbf1836eafdc

  • SHA512

    a2e2181c816909596bd626345b175d45b362f0f7906bf291c44f1f6c53cc4f6cb1ae82617469781b52c1db18766383e4dacf6488815c648238790b99d6389d69

Malware Config

Targets

    • Target

      4df535122fda2ea32e9eea5666166e3e82e86dc0fb0b79a31114dbf1836eafdc

    • Size

      1.3MB

    • MD5

      d4a978bbd0e73121fb0aee4662cea891

    • SHA1

      32a5b9a80c8ffa33064f7b3fdf67fd226e7c1625

    • SHA256

      4df535122fda2ea32e9eea5666166e3e82e86dc0fb0b79a31114dbf1836eafdc

    • SHA512

      a2e2181c816909596bd626345b175d45b362f0f7906bf291c44f1f6c53cc4f6cb1ae82617469781b52c1db18766383e4dacf6488815c648238790b99d6389d69

    • 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