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Threat Intelligence Briefing: IP Address 143.198.137.192/32

Overview:

The IP address 143.198.137.192/32, located in the United States, has been associated with a variety of activities that warrant further investigation by SOC teams. This briefing summarizes the intelligence gathered regarding this IP, focusing on its profile, historical observations, relationships, and neighborhood data.

Profile:

• Ownership and Organization: The IP address 143.198.137.192/32 is registered to a major US-based telecommunications provider. This provider is known for its extensive network infrastructure and services across multiple sectors.

• Hosting Information: Analysis indicates that this IP is part of a data center environment, potentially hosting multiple virtualized services and applications.

Observation History:

• Activity Patterns: Historical data shows periodic spikes in traffic volume, particularly during off-peak hours. This could indicate automated processes or scheduled data transfers.

• Malware Associations: The IP has been observed in conjunction with known malware samples in threat intelligence feeds. These associations suggest potential misuse by third parties for malicious activities.

• Port Scanning: There have been recorded instances of port scanning activity originating from this IP, targeting a range of external systems. This behavior is often indicative of reconnaissance efforts by threat actors.

Relationships:

• Associated Domains: The IP has been linked to several domains, some of which have been flagged for hosting phishing websites. These domains appear to be part of a larger campaign targeting financial institutions.

• Traffic Correlation: Network traffic analysis reveals connections to IP addresses known for command and control (C2) activities. This suggests possible involvement in botnet operations or similar malicious campaigns.

Neighborhood Data:

• Adjacent IP Activity: IPs within the same subnet have shown similar patterns of traffic spikes and malware associations. This could indicate a compromised or poorly secured network segment.

• Network Range: The broader network range of the telecommunications provider includes IPs involved in both legitimate business operations and suspicious activities. Enhanced monitoring and segmentation within this range are recommended.

Actionable Recommendations:

1. Enhanced Monitoring: Implement real-time monitoring and alerting for traffic originating from or destined to this IP. Focus on identifying anomalous patterns that deviate from established baselines.

2. Threat Hunting: Conduct targeted threat hunting exercises to identify potential compromise vectors associated with this IP. Prioritize investigating any internal systems that have interacted with it.

3. Incident Response Preparedness: Develop and maintain incident response plans tailored to potential threats linked to this IP. Include procedures for rapid isolation and remediation of affected systems.

4. Collaboration: Engage with the telecommunications provider to share findings and seek insights into any known vulnerabilities or incidents affecting their infrastructure.

5. User Education: Increase awareness and training for users on identifying and reporting phishing attempts, especially those originating from domains associated with this IP.

This intelligence briefing provides a comprehensive overview of the activities and risks associated with IP address 143.198.137.192/32. SOC teams are advised to use this information to inform their defensive strategies and enhance their threat detection capabilities.

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