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Threat Intelligence Briefing: IP Address 186.177.91.55/32

Summary:

The IP address 186.177.91.55/32 was analyzed using a comprehensive suite of intelligence-gathering tools. This briefing consolidates the observed data, including historical activity, relationships, and neighborhood context. The findings aim to provide actionable insights for a Security Operations Center (SOC) analyst.

Observation History:

1. Recent Activity:

- The IP address was observed engaging in activity that aligns with typical web traffic patterns. There were no immediate indicators of malicious behavior based on recent network traffic analysis.

- Historical logs indicate sporadic connections to known command and control (C2) servers, although these activities were not continuous or persistent.

2. Domain Associations:

- The IP has been associated with domains that have previously been flagged for hosting phishing websites. These domains are currently active, but no direct malicious activity was observed originating from the IP in the recent past.

3. Geolocation:

- The IP is geolocated in Brazil, which aligns with regional activity patterns observed in the data. This geographic location has been associated with both legitimate services and known cyber threat actors.

Relationships:

1. Network Connections:

- The IP has established connections with several other IPs within a similar geographic region, suggesting a local network or service provider relationship. These connections have not been flagged as malicious.

- There have been transient associations with IPs linked to botnet activities, though these connections were brief and lacked sustained interaction.

2. Peer Analysis:

- Analysis of peer IPs indicates that while some are involved in legitimate business operations, others have been implicated in distributing malware. The IP in question has had intermittent interactions with these peers.

Neighborhood Data:

1. Subnet Activity:

- The broader subnet, 186.177.0.0/16, has hosted a mix of services, including both legitimate businesses and entities involved in cybercriminal activities. The IP 186.177.91.55/32 is part of this diverse network environment.

2. Traffic Patterns:

- Traffic analysis shows typical usage patterns for a residential or small business IP, with occasional spikes that could suggest automated processes or scheduled tasks.

Conclusion:

The IP address 186.177.91.55/32 has a mixed profile with both benign and potentially concerning historical associations. While recent activity does not indicate active malicious behavior, its connections to domains linked with phishing and transient interactions with known threat IPs warrant continued monitoring. The geographic and subnet context suggests a dual-use environment, where both legitimate and potentially harmful activities coexist.

Actionable Recommendations:

• Monitor for Anomalies: Continue to observe the IP for any deviations from established traffic patterns, particularly spikes in outbound connections or unusual data transfers.
• Domain Watchlist: Add associated domains to a watchlist for further scrutiny and potential blocking if malicious activity is detected.
• Peer Network Analysis: Investigate peer IPs for any emerging threats that could impact the security posture of networks connected to this IP.

This briefing provides a structured overview of the current understanding of IP 186.177.91.55/32, facilitating informed decision-making for SOC teams.

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