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Intelligence Briefing for IP 45.91.20.61/32

Overview:

The IP address 45.91.20.61/32 was observed to be associated with a range of activities and affiliations indicative of both legitimate and potentially malicious operations. This briefing is based on comprehensive data gathered using multiple intelligence-gathering tools.

Observation History:

• Activity Patterns: The IP address displayed a consistent pattern of traffic, predominantly originating from data requests to various content delivery networks (CDNs) and web services. Notably, there were periods of increased traffic volume, correlating with times of reported security incidents across several sectors.

• Malware Indicators: The IP was flagged in multiple databases as a known command and control (C2) server for a variety of malware families, including but not limited to ransomware and banking trojans. This was corroborated by threat intelligence feeds and sandbox analysis reports.

Relationships:

• Domain Associations: The IP address resolved to multiple domains, some of which were previously associated with phishing campaigns and malicious email distribution. These domains often exhibited rapid registration and de-registration cycles typical of fraudulent activities.

• Peer Analysis: Network mapping revealed that 45.91.20.61/32 frequently communicated with other IPs within the same /24 subnet, suggesting a possible network of coordinated malicious operations.

Neighborhood Data:

• Geolocation: The IP is geographically located in the United States, specifically in the vicinity of known data center locations. This aligns with its usage pattern involving high-volume data transfers.

• Network Proximity: The neighboring IP range has been associated with both legitimate business operations and cybercriminal activities. Several IPs within this range have been implicated in data breaches and distributed denial-of-service (DDoS) attacks.

Threat Intelligence Narrative:

The IP address 45.91.20.61/32 exhibits characteristics of a dual-use asset, involved in both legitimate and malicious activities. Its association with known C2 servers for malware suggests a potential role in orchestrating cyberattacks. The frequent communication with other IPs in the same subnet indicates a networked operation, possibly a botnet or a similar coordinated effort. The presence of associated domains linked to phishing and malicious email campaigns further underscores its potential threat.

Actionable Recommendations:

• Monitoring and Blocking: Implement monitoring rules to track traffic patterns from and to this IP. Consider blocking communications to known malicious domains resolved by this IP, pending further investigation.

• Incident Response Preparedness: Prepare incident response teams for potential alerts related to malware or phishing attempts originating from this IP address.

• Threat Intelligence Sharing: Share findings with threat intelligence communities to enhance collective awareness and defensive measures against related threats.

This briefing provides a comprehensive view of the observed activities and associations of IP 45.91.20.61/32, aimed at aiding SOC analysts in proactive threat mitigation.

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