General

  • Target

    73d810f1c877241f443339dc4495fca60fcb7648c6b481283c86119761db38ad

  • Size

    1.6MB

  • Sample

    220415-s7ev5sbce4

  • MD5

    6109bcbf3a30d75218dab685fa1a732f

  • SHA1

    a72da9441e92aedef1186f9268e33b10da08113e

  • SHA256

    73d810f1c877241f443339dc4495fca60fcb7648c6b481283c86119761db38ad

  • SHA512

    9b122734d6f407e4782120c96b605b03bf8a70c3a5bd627624d6d51415cf691e34a3e8b26ba4dd313a29113dec6bac6f5d90856f5a624b0ba0d87c2c0413d83f

Malware Config

Targets

    • Target

      73d810f1c877241f443339dc4495fca60fcb7648c6b481283c86119761db38ad

    • Size

      1.6MB

    • MD5

      6109bcbf3a30d75218dab685fa1a732f

    • SHA1

      a72da9441e92aedef1186f9268e33b10da08113e

    • SHA256

      73d810f1c877241f443339dc4495fca60fcb7648c6b481283c86119761db38ad

    • SHA512

      9b122734d6f407e4782120c96b605b03bf8a70c3a5bd627624d6d51415cf691e34a3e8b26ba4dd313a29113dec6bac6f5d90856f5a624b0ba0d87c2c0413d83f

    • 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