Testing Malicious EXCEL Spreadsheets

Introduction

In this tutorial, we will explore how to test malicious Excel spreadsheets safely using ANY.RUN, a powerful malware analysis tool. This step-by-step guide is designed for security enthusiasts and professionals seeking to understand the risks associated with malicious software while learning how to identify and analyze threats.

Step 1: Create an ANY.RUN Account

1. Navigate to the ANY.RUN registration page at ANY.RUN Registration.
2. Provide your business email address to sign up for a free account.
3. Verify your email if prompted and log into your new account.

Step 2: Familiarize Yourself with ANY.RUN Interface

1. Once logged in, take a moment to explore the dashboard.
2. Look for key features such as:
   • Upload: Where you can upload files for analysis.
   • Reports: Access previously analyzed files.
   • Community: Engage with other users and share insights.

Step 3: Upload Malicious Excel Spreadsheet

1. Click on the Upload button on the dashboard.
2. Select the Excel file you wish to analyze. Ensure it is from a trusted, isolated source to prevent accidental exposure to your system.
3. Confirm the upload and wait for the analysis to commence.

Step 4: Analyze the Results

1. After the analysis is complete, navigate to the report generated by ANY.RUN.
2. Review the following key sections:
   • Behavior Analysis: Understand what actions the file attempted to perform.
   • Network Activity: Check if the file tried to connect to any suspicious servers.
   • File Modifications: See if the file made any changes to your system or other files.

Step 5: Review Community Insights

1. Engage with the ANY.RUN community or Discord server to discuss findings.
2. Share your reports (if appropriate) and gain insights from other analysts.
3. Take note of any common patterns or behaviors observed by the community regarding similar files.

Step 6: Learning Reverse Engineering

1. If interested in deepening your knowledge, explore resources on reverse engineering.
2. Consider joining courses or communities focused on malware analysis and cybersecurity.
3. Use the insights gained from analyzing Excel spreadsheets to enhance your skills.

Conclusion

Testing malicious Excel spreadsheets using ANY.RUN provides a safe environment to learn about malware and its behaviors. By following these steps, you can effectively analyze threats and expand your understanding of cybersecurity. Remember to always work within legal boundaries and use these skills for educational and defensive purposes. Consider following up with additional training in reverse engineering to further your expertise in this critical field.