QBot Malware
Executive Summary
Qbot, also known as QakBot, is a prevalent and evolving piece of malware initially identified as a banking trojan. Over time, it has expanded its capabilities to include information theft, delivery of additional malware payloads, and facilitation of ransomware attacks. Qbot is known for its persistence, sophisticated evasion techniques, and the use of modular components for versatile attacks. This report consolidates the current known Indicators of Compromise (IoCs) associated with Qbot activities to aid in detection, prevention, and mitigation efforts.
Indicators of Compromise (IoCs)
IP Addresses
- 85.14.243[.]111
- 51.38.62[.]181
- 51.38.62[.]182
- 185.4.67[.]6
- 62.141.42[.]36
- 87.117.247[.]41
- 89.163.212[.]111
- 193.29.187[.]57
- 193.201.9[.]93
- 94.198.50[.]147
- 94.198.50[.]210
- 188.127.243[.]130
- 188.127.243[.]133
- 94.198.51[.]202
- 188.127.242[.]119
- 188.127.242[.]178
(Note: These IP addresses have been identified at various times as being associated with Qbot's C2 infrastructure. Continuous monitoring and updating of firewall and network filter rules are recommended.)
Hashes
- SHA-256:
7cdee5a583eacf24b1f142413aabb4e556ccf4ef3a4764ad084c1526cc90e117
(associated with FBI’s QakBot uninstaller).
Mitigation Strategies
Organizations are advised to implement the following mitigation strategies to protect against Qbot malware:
- Employ endpoint detection and response (EDR) solutions to detect and respond to suspicious activities.
- Use antivirus software with up-to-date signatures to identify and quarantine malicious files.
- Implement network segmentation to limit lateral movement within networks.
- Conduct regular security awareness training for employees to recognize phishing attempts.
- Enable multi-factor authentication (MFA) to secure user accounts against compromise.
- Maintain offline, encrypted backups of critical data to ensure recovery in the event of a ransomware attack.
References
For further information and detailed guidance on mitigating the threats posed by Qbot malware, the following resources are recommended:
- Cybersecurity and Infrastructure Security Agency (CISA): CISA QakBot Advisory
- Federal Bureau of Investigation (FBI): FBI Cyber Crime
- Microsoft Security Blog: Microsoft on Qbot
- The Hacker News: QakBot Malware Analysis
(Note: These links serve as general references. Specific URLs to detailed advisories or reports on Qbot were not provided in this summary.)
Conclusion
Qbot continues to pose a significant threat to organizations worldwide due to its evolving tactics, techniques, and procedures (TTPs). By staying informed of the latest IoCs and implementing comprehensive cybersecurity measures, organizations can reduce their vulnerability to Qbot and other sophisticated malware threats.