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Threat Intelligence Briefing: IP 91.211.23.39/32

Summary:

The IP address 91.211.23.39/32 was observed to be part of a network exhibiting patterns consistent with known malicious activity. This intelligence briefing provides a comprehensive profile based on available data, detailing its behavior, history, and relationships.

Observation History:

• Activity Patterns: The IP address showed a significant increase in outbound traffic during non-standard operational hours, suggesting automated processes or botnet activity.
• Connection Attempts: There were multiple failed connection attempts to various high-profile financial institutions, indicating potential reconnaissance or attempted exploitation activities.

Relationships and Associations:

• Known Malicious Infrastructure: The IP address was linked to a cluster of IPs previously associated with phishing campaigns and malware distribution. This cluster is known to engage in credential harvesting and ransomware deployment.
• Domain Registrations: Domains associated with this IP have been flagged for hosting phishing pages and distributing malware payloads.

Neighborhood Data:

• Subnet Analysis: The IP resides within a subnet known for hosting illicit services, including command and control (C2) servers and data exfiltration channels.
• Geolocation: The IP is geolocated to a region with a high prevalence of cybercrime activity, further corroborating its association with malicious operations.

Threat Assessment:

The data indicates that 91.211.23.39/32 is part of a sophisticated threat actor group involved in multiple cyber threats, including phishing, malware distribution, and potential ransomware attacks. The observed behavior and associations suggest a high risk of compromise if exposed to this IP.

Recommendations:

• Network Monitoring: Enhance monitoring of network traffic to and from this IP address to detect and mitigate potential threats promptly.
• Blocking Measures: Consider blocking or rate-limiting traffic to/from this IP to prevent unauthorized access and data exfiltration.
• User Awareness Training: Reinforce user training to recognize phishing attempts and suspicious activity associated with this IP.

This briefing is intended to assist SOC analysts in understanding the risks associated with 91.211.23.39/32 and to guide defensive measures to protect organizational assets.

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.