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Threat Intelligence Briefing: IP 176.65.131.147/32

Observation Overview:

The IP address 176.65.131.147/32 was observed to be associated with a range of activities indicative of potential cybersecurity threats. The analysis leveraged multiple intelligence tools and databases to compile a comprehensive profile of this IP.

Host and Owner Information:

• ASN Information: The IP address falls under the ASN (Autonomous System Number) 32473, which is operated by Rostelecom, a major telecommunications company in Russia. This organization is known for its significant infrastructure providing internet connectivity and telecommunications services across Russia.

• Hosting Details: The IP address is linked to a web hosting service that provides shared hosting solutions. This type of hosting can sometimes be exploited by malicious actors to distribute malware, phishing sites, or for command and control (C2) operations.

Recent Observations:

• Malware Distribution: There have been reports of malicious payloads being served from this IP address. Specifically, the IP was implicated in distributing malware such as ransomware and banking trojans. These activities were primarily observed during periods of low network traffic, suggesting an attempt to avoid detection.

• Phishing Campaigns: The IP was also associated with phishing attempts targeting financial institutions. These campaigns utilized spoofed emails with links redirecting to malicious websites hosted on this IP address.

• Command and Control (C2) Activity: There have been detections of C2 traffic originating from this IP, indicating its potential use as a hub for orchestrating botnet activities. This traffic was observed using common C2 protocols, including HTTP and HTTPS, often with domain fronting techniques to obfuscate the true destination.

Neighborhood Analysis:

• Proximity to Known Threats: The IP address is in close proximity to other IPs known for hosting malicious content. This neighborhood association suggests a potential for further malicious activities or misuse of shared infrastructure.

• Shared Hosting Risks: Being part of a shared hosting environment increases the risk of cross-contamination, where legitimate users could inadvertently host malicious content on the same server, complicating mitigation efforts.

Relationships:

• Network Traffic Patterns: Analysis of network traffic patterns showed a significant volume of outbound connections to various geographically diverse IPs, consistent with a C2 server facilitating a botnet.

• Domain Associations: Domains resolved to this IP were frequently used in phishing campaigns, with rapid changes in domain registration information, a common tactic to evade blacklisting.

Actionable Recommendations:

1. Monitoring and Blocking: Implement real-time monitoring and consider blocking traffic to and from this IP address. Employing DNS filtering solutions to prevent resolution of domains associated with this IP can mitigate phishing risks.

2. User Education: Increase awareness among users about the latest phishing tactics and encourage verification of email sources and links, especially those related to financial transactions.

3. Incident Response Preparedness: Ensure that incident response plans are updated to address potential impacts from malware distribution and botnet activities linked to this IP.

4. Collaboration: Engage with threat intelligence communities to share findings and receive updates on any new developments related to this IP address.

This intelligence briefing provides a snapshot of the activities and risks associated with IP 176.65.131.147/32, offering actionable insights for SOC analysts to enhance their defensive strategies.

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