General

  • Target

    27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990

  • Size

    1.6MB

  • Sample

    220417-jrcleabebk

  • MD5

    f5ba983bc18a11b81d4ef14d933053ae

  • SHA1

    0d43985475f4f9a33e242fb2c45ec2245ff0093f

  • SHA256

    27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990

  • SHA512

    484bebb520440dbb61f3e4bfb30f95491ca8125d5892dde4434eae13986524e6a8b57279fa960ae9cae88e1d5592033b1e89562ac38d2c88eb170b251efa293e

Malware Config

Targets

    • Target

      27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990

    • Size

      1.6MB

    • MD5

      f5ba983bc18a11b81d4ef14d933053ae

    • SHA1

      0d43985475f4f9a33e242fb2c45ec2245ff0093f

    • SHA256

      27ec38fc9ae3342ab62c45078d58c6c133aa4afe63ed71847b06c99ab6209990

    • SHA512

      484bebb520440dbb61f3e4bfb30f95491ca8125d5892dde4434eae13986524e6a8b57279fa960ae9cae88e1d5592033b1e89562ac38d2c88eb170b251efa293e

    • 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