## Overview
The initial phase of Black Basta's operation involved a phishing email containing a malicious attachment. This email was crafted to appear as a legitimate business communication, increasing the likelihood of user interaction.

## Key Indicators
- **Sender Domain**: The email originated from a domain resembling a known supplier.
- **Attachment Type**: Executable file masquerading as a PDF.

## Next Steps
Given this initial breach, the next phase typically involves the deployment of malware. Monitoring network traffic for unusual patterns is essential to identify the execution of QBot malware.