General

  • Target

    a84c8d7d84dacffbfa80ab2eec320132c5c0789a72a1d9e85465417edfd7a878

  • Size

    1.1MB

  • Sample

    220420-e1n9cabbe4

  • MD5

    d77ad4004f0b4c33a955c27ab30ed42f

  • SHA1

    23e8c7b5eedff353bb44478a753cd6c75781b8b2

  • SHA256

    a84c8d7d84dacffbfa80ab2eec320132c5c0789a72a1d9e85465417edfd7a878

  • SHA512

    86965eb4ad5b2f2264f052923231b5d3fb8062c4afbdb4554f4fdddcb62386778e9b0a7a826f6ca662c5562c5b2af3de16a2520806bb0a9d2493566e84c834f8

Malware Config

Targets

    • Target

      a84c8d7d84dacffbfa80ab2eec320132c5c0789a72a1d9e85465417edfd7a878

    • Size

      1.1MB

    • MD5

      d77ad4004f0b4c33a955c27ab30ed42f

    • SHA1

      23e8c7b5eedff353bb44478a753cd6c75781b8b2

    • SHA256

      a84c8d7d84dacffbfa80ab2eec320132c5c0789a72a1d9e85465417edfd7a878

    • SHA512

      86965eb4ad5b2f2264f052923231b5d3fb8062c4afbdb4554f4fdddcb62386778e9b0a7a826f6ca662c5562c5b2af3de16a2520806bb0a9d2493566e84c834f8

    • 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.

    • Deletes itself

    • Drops startup file

    • 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