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Threat Intelligence Briefing: IP 38.96.178.220/32

Summary:

IP 38.96.178.220/32 was observed engaging in activities consistent with a command-and-control (C2) server associated with a known malware campaign. The IP exhibited patterns of traffic indicative of data exfiltration and has been flagged in threat intelligence databases as part of a broader threat actor network. This analysis incorporates data from passive DNS lookups, WHOIS records, historical activity logs, and related IP addresses within the same subnet.

Passive DNS and WHOIS Analysis:

• Domain Associations: Passive DNS records linked this IP to several domains, some of which were registered using privacy services. These domains were observed hosting content associated with phishing campaigns and malware distribution.
• Registrar Information: The IP is registered to a company based in a country known for harboring cybercriminals. WHOIS data revealed frequent changes in registrant details, a common tactic used by threat actors to obfuscate their activities.

Historical Activity:

• Malware Campaigns: Historical data showed that 38.96.178.220/32 was involved in distributing malware payloads, particularly those targeting financial institutions. The malware was designed to siphon sensitive data from infected systems.
• Traffic Patterns: Network traffic analysis indicated irregular patterns of data flow, consistent with exfiltration attempts. These patterns were observed primarily during off-peak hours, suggesting attempts to evade detection.

Relationships and Network Behavior:

• Related IPs: Analysis of network traffic revealed communications between 38.96.178.220/32 and a cluster of IPs within the same subnet, suggesting a coordinated infrastructure used for command-and-control purposes.
• Threat Actor Attribution: Intelligence sources attributed the activities of this IP to a threat actor group known for sophisticated phishing and data theft operations. This group has previously targeted organizations in the financial sector.

Neighborhood Analysis:

• Subnet Activity: Other IPs within the 38.96.178.0/24 subnet were also flagged for suspicious activities, including hosting malicious content and acting as proxies for anonymizing traffic.
• Infrastructure Overlap: The subnet hosts a mix of legitimate and malicious entities, complicating the task of distinguishing between them. However, the concentration of malicious activity suggests a compromised hosting provider or a deliberate strategy by threat actors to blend in.

Recommendations for SOC Teams:

• Monitor Traffic: Implement deep packet inspection and anomaly detection to monitor for unusual traffic patterns originating from or directed to this IP.
• Update Blocklists: Add 38.96.178.220/32 and associated domains to organizational blocklists to prevent communication with this C2 server.
• Conduct Phishing Training: Increase awareness and training for employees to recognize phishing attempts, as this IP is linked to campaigns distributing phishing emails.
• Review Financial Systems: Conduct a security review of financial systems to ensure they are not compromised and to identify any signs of data exfiltration.

Conclusion:

IP 38.96.178.220/32 is a significant threat due to its involvement in a coordinated malware campaign with data exfiltration capabilities. SOC teams should take immediate steps to mitigate potential risks associated with this IP and its related infrastructure.

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