General

  • Target

    b40856677db5bc7c1f038452b8d1bc42eb805aae103dc3fc2bc8a6c1b1deb7e4

  • Size

    1.1MB

  • Sample

    220516-xft8zaehfn

  • MD5

    5bf1809efee424da32006e4f83b75082

  • SHA1

    37ff3356852a25fe9523a42608e73594a2e7df2c

  • SHA256

    b40856677db5bc7c1f038452b8d1bc42eb805aae103dc3fc2bc8a6c1b1deb7e4

  • SHA512

    9b12387e28bc2f0c6ddbc0f4837be966a0b79394536b80d99aecfd9d45e8ec6b4dadb74f41f751f161ec7cca93df3ba1141c20c9142bdc9f78a0a30e836eaa59

Malware Config

Targets

    • Target

      b40856677db5bc7c1f038452b8d1bc42eb805aae103dc3fc2bc8a6c1b1deb7e4

    • Size

      1.1MB

    • MD5

      5bf1809efee424da32006e4f83b75082

    • SHA1

      37ff3356852a25fe9523a42608e73594a2e7df2c

    • SHA256

      b40856677db5bc7c1f038452b8d1bc42eb805aae103dc3fc2bc8a6c1b1deb7e4

    • SHA512

      9b12387e28bc2f0c6ddbc0f4837be966a0b79394536b80d99aecfd9d45e8ec6b4dadb74f41f751f161ec7cca93df3ba1141c20c9142bdc9f78a0a30e836eaa59

    • 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