General

  • Target
    TNT E-Invoice Cosignment Delivery Notification_pdf.exe
  • Size 1.1MB
  • Sample200808-3wc9546fsx
  • SHA256 b0dd472a02ed67fe15e20e2faa6167d8c1e9d54c9f0abc95a255197bbf0c0264
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.pkbsl.com

  • Port

    587

  • Password

    Bsl123Bsl123Bsl

Targets

    • Target
      TNT E-Invoice Cosignment Delivery Notification_pdf.exe
    • Size 1.1MB
    • SHA256 b0dd472a02ed67fe15e20e2faa6167d8c1e9d54c9f0abc95a255197bbf0c0264
    • MD5 SHA1 SHA512
    Score
    10/10
    • Modifies WinLogon for persistence

    • Drops startup file

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • 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