Resubmissions

28/01/2023, 20:16

230128-y18sjagb9310

15/12/2022, 12:15

221215-pexcyafc8w10

General

  • Target
    img014012022.exe
  • Size 667KB
  • Sample221215-pexcyafc8w
  • SHA256 f0e3d1d1dd4b0b69a99c24ce4217194e9cbbb4f1efd8edcb8831f6e889c9b5cd
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      img014012022.exe
    • Size 667KB
    • SHA256 f0e3d1d1dd4b0b69a99c24ce4217194e9cbbb4f1efd8edcb8831f6e889c9b5cd
    • MD5 SHA1 SHA512 SSDEEP
    • MassLogger

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

    • MassLogger Main payload

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • 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