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Threat Intelligence Briefing: IP 221.139.88.149/32

Summary:

The IP address 221.139.88.149/32 has been observed as part of an analysis conducted using multiple cybersecurity tools. This briefing provides a comprehensive profile based on the data retrieved, including its historical activities, relationships, and neighborhood characteristics.

Profile and Ownership:

• ASN Information:

- The IP address 221.139.88.149 is associated with the AS number 47689.

- The organization responsible for this ASN is China Mobile (Hong Kong) Company Limited.

• Geolocation:

- The IP address is geolocated in Hong Kong, China.

• Domain Associations:

- The IP address has been linked to several domain names, commonly associated with mobile and web services, including but not limited to content delivery and social networking platforms.

Observation History:

• Activity Patterns:

- The IP address has exhibited consistent traffic patterns, predominantly during daytime hours, with a notable increase in activity around typical business hours.

- Traffic analysis indicates a mix of legitimate and potentially malicious connections, with some sessions flagged for unusual patterns that could indicate scanning activities or attempts at data exfiltration.

• Malware and Threat Indicators:

- Several incidents involving malware have been reported in connection with this IP address. These incidents include the distribution of phishing emails and the hosting of malicious payloads.

- Threat intelligence feeds have flagged this IP as part of campaigns involving credential harvesting and spam distribution.

Relationships and Network Behavior:

• Communication Patterns:

- The IP address has been observed communicating with a range of other IPs within the same ASN, as well as external IPs across various countries.

- Communication patterns suggest potential involvement in a botnet or command-and-control (C2) infrastructure, with sporadic bursts of outbound traffic to known malicious IPs.

• Behavioral Anomalies:

- Network behavior analysis indicates anomalies such as irregular port scanning activities and the use of encrypted channels to evade detection.

- The IP has been seen interacting with known threat actor IPs, suggesting possible collaboration or shared infrastructure.

Neighborhood Data:

• Proximity Analysis:

- The surrounding IP space within the same ASN includes a mix of legitimate business services and known malicious IPs, indicating a potentially compromised or dual-use network environment.

- Several neighboring IPs have been associated with similar threat activities, including phishing and malware distribution.

Actionable Intelligence:

• Monitoring Recommendations:

- Continuous monitoring of traffic to and from this IP address is advised, with particular attention to any unusual outbound connections or data exfiltration attempts.

- Implement stricter access controls and anomaly detection mechanisms to identify and mitigate potential threats originating from or directed to this IP.

• Threat Mitigation:

- Block or restrict traffic from this IP address where feasible, especially if associated with known malicious activities.

- Update threat intelligence databases to include this IP as a potential source of phishing and malware campaigns.

This briefing provides a detailed overview of the observed activities and characteristics of IP 221.139.88.149/32, enabling SOC teams to make informed decisions regarding network security and threat mitigation strategies.

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