CryptBot Malware-samples Downloads and full analysis Report

CryptBot Malware Sample Analysis (Cuckoo Sandbox Report)

Overview

This document presents an analysis of a CryptBot malware sample based on sandbox execution results. The analysis was performed using Cuckoo Sandbox 2.0.7 and highlights key behavioral patterns such as process activity, network communication, and beaconing behavior.

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Sample Information

• Malware Type: Trojan (CryptBot)

• MD5 Hash: 2f56038a57495ab5608e1c67f7dbd688

• Sample File: 2f56038a57495ab5608e1c67f7dbd688.bin

• Network Capture (PCAP): 2f56038a57495ab5608e1c67f7dbd688.pcap

• Archive Password: infected

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Analysis Environment

• Tool Used: Cuckoo Sandbox

• Version: 2.0.7

• Analysis Date: 04/13/2020

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Behavior Summary

1. Process Activity

During execution, the sample spawned multiple processes indicating typical Trojan behavior. These processes are often used for:

• Payload execution

• Persistence attempts

• System reconnaissance

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2. Network Activity

The malware established outbound network connections, suggesting possible:

• Command and Control (C2) communication

• Data exfiltration attempts

• External payload download

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3. Beaconing Activity

Repeated periodic network requests were observed, which is commonly known as beaconing behavior.

This indicates that the malware:

• Checks in with a remote server regularly

• Maintains persistent communication channel

• Awaits remote commands

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Key Observations

• Suspicious outbound network traffic detected

• Automated execution pattern consistent with Trojan behavior

• Evidence of potential data collection activity

• Persistent beaconing behavior observed

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Conclusion

The analyzed sample demonstrates typical characteristics of CryptBot Trojan malware, including process injection behavior, network communication, and beaconing patterns. Such malware is commonly used for credential theft and system compromise.

Further investigation of the PCAP file is recommended for deeper understanding of C2 infrastructure and data leakage patterns.

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Files for Reference

• 2f56038a57495ab5608e1c67f7dbd688.bin

• 2f56038a57495ab5608e1c67f7dbd688.pcap

 

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