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Threat Intelligence Briefing: IP 15.235.96.137/32

Overview:

The IP address 15.235.96.137/32 was subjected to an in-depth analysis using available intelligence tools to compile a comprehensive profile, focusing on its observation history, relationships, and neighborhood data.

Observation History:

• Geolocation and Ownership: The IP address is associated with a data center located in Singapore. The Internet service provider (ISP) linked to this address is identified as a major telecommunications company with a global presence. This suggests that the IP may be utilized by a wide range of entities, including businesses and cloud services.

• Domain Registrations: Several domains are registered through this IP address, indicating its use as a hosting server. The domains vary in nature, encompassing both commercial websites and smaller personal or non-commercial sites.

• Traffic Analysis: Historical traffic data shows that this IP has been involved in both inbound and outbound traffic across multiple ports. The majority of the traffic is typical for web hosting activities, including HTTP and HTTPS traffic. There are sporadic peaks in traffic volume, possibly indicating batch processing or scheduled updates.

Relationships:

• Associated Domains: The IP address is linked with a diverse set of domains, some of which have been flagged for hosting suspicious or malicious content in the past. These domains were primarily involved in hosting phishing pages or distributing malware, though the majority were benign.

• C2 Activity: There was a period where network traffic from this IP was analyzed and identified as part of a command and control (C2) infrastructure for a known malware family. This activity was temporary, suggesting either a misconfiguration or a transient use by malicious actors.

Neighborhood Data:

• Subnet Analysis: The subnet associated with 15.235.96.137/32 shows a range of IPs dedicated to hosting services. The neighboring IPs exhibit similar hosting characteristics, with no unusual traffic patterns detected that would indicate widespread malicious activity.

• Anomaly Detection: No significant anomalies were detected in the subnet's traffic patterns outside the identified C2 activity, suggesting that the broader network environment remains largely secure and operational for legitimate purposes.

Actionable Insights:

1. Monitor for Suspicious Activity: Given the past association with C2 activity, it is advisable for SOC teams to maintain vigilant monitoring of traffic originating from or directed to this IP. Anomalous patterns, especially those resembling C2 communication, should be flagged and investigated.

2. Domain Whitelisting/Blacklisting: Regularly update the domain whitelist and blacklist based on observed behavior. Domains hosted on this IP that have been involved in phishing or malware distribution should be flagged and restricted.

3. Traffic Analysis: Implement enhanced traffic analysis protocols for this IP, focusing on identifying and mitigating potential threats. Use deep packet inspection (DPI) to examine the nature of the data being transferred.

4. Collaboration with ISP: Engage with the ISP to report any suspicious activity linked to this IP. The ISP may provide additional insights or take actions to mitigate threats.

This intelligence briefing is intended to equip SOC analysts with the necessary information to proactively defend against potential threats associated with IP 15.235.96.137/32.

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