General

  • Target

    1534d95926c100831a0e9cf9885a2e4e49ba70fe8de956111bf6e0615f47d8b1

  • Size

    917KB

  • Sample

    220329-1xk86sgack

  • MD5

    b2de44f15c079d43594f91bd0628296f

  • SHA1

    435d46f1449e77b0a4f0081a9d2e1bd0189af776

  • SHA256

    1534d95926c100831a0e9cf9885a2e4e49ba70fe8de956111bf6e0615f47d8b1

  • SHA512

    46ea560534175a46d3ec215b804528bafd7a0f0e47f42a4ea635ac9d9c697eafa0be08a1debf57cf6647f2b583633114b34e4451cbb3db56e824abee138a6c38

Malware Config

Targets

    • Target

      1534d95926c100831a0e9cf9885a2e4e49ba70fe8de956111bf6e0615f47d8b1

    • Size

      917KB

    • MD5

      b2de44f15c079d43594f91bd0628296f

    • SHA1

      435d46f1449e77b0a4f0081a9d2e1bd0189af776

    • SHA256

      1534d95926c100831a0e9cf9885a2e4e49ba70fe8de956111bf6e0615f47d8b1

    • SHA512

      46ea560534175a46d3ec215b804528bafd7a0f0e47f42a4ea635ac9d9c697eafa0be08a1debf57cf6647f2b583633114b34e4451cbb3db56e824abee138a6c38

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

    • MassLogger Main Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks