General

  • Target

    91f31c820c62ae0a81cdc3951afc9087d458928e85124649655a11c9a1453a10

  • Size

    612KB

  • Sample

    220414-qt6etseba3

  • MD5

    25955b8a6e157d6fed536656890d7a4f

  • SHA1

    975e1ea02130733edeef268fd2d49413fc7252ff

  • SHA256

    91f31c820c62ae0a81cdc3951afc9087d458928e85124649655a11c9a1453a10

  • SHA512

    e2c1ac12940511ff6119cd31f553405137aedcdfef76b05c7e910b753dc108217e6236ffa4939b4b6045cb663f50c01752026a7075d0a8f0420664506c7346dd

Malware Config

Targets

    • Target

      91f31c820c62ae0a81cdc3951afc9087d458928e85124649655a11c9a1453a10

    • Size

      612KB

    • MD5

      25955b8a6e157d6fed536656890d7a4f

    • SHA1

      975e1ea02130733edeef268fd2d49413fc7252ff

    • SHA256

      91f31c820c62ae0a81cdc3951afc9087d458928e85124649655a11c9a1453a10

    • SHA512

      e2c1ac12940511ff6119cd31f553405137aedcdfef76b05c7e910b753dc108217e6236ffa4939b4b6045cb663f50c01752026a7075d0a8f0420664506c7346dd

    • 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