Executive Summary

• SGI sensors detected network activity originating from IP address 206.189.130.14, associated with DigitalOcean (AS14061) in India.
• The detected activity is classified as low severity and linked to a malware family named ‘20250816-092517-11ed1fe18a98-0-redir__dev_null’.
• The objective is currently unknown, but the activity warrants further investigation to determine the nature and scope of the potential threat.
• The business risk level is considered low at this time but could escalate if the activity leads to exploitation of vulnerabilities or data exfiltration.

Organizations should proactively monitor their network traffic for similar patterns and implement appropriate security measures to mitigate potential risks.

Observed Activity (SGI Sensors)

On November 16, 2025, at 07:46:44 UTC, an SGI sensor detected network activity originating from the IP address 206.189.130.14, which is associated with DigitalOcean (AS14061) in India. The traffic used the TCP protocol and included a payload. The payload’s SHA256 hash is 1b20a210fe96e5a8abc347dfb91d7befecb4b5f9b7ed40d856410fac15952057. Further analysis is required to understand the purpose and potential impact of this network activity.

Malware/Technique Overview

The detected activity is associated with a malware family named ‘20250816-092517-11ed1fe18a98-0-redir__dev_null’. Given the limited information, it is difficult to determine the exact capabilities and initial access vector of this malware. The name suggests a possible redirection or tunneling activity, potentially used for evading detection or establishing command and control.

• T1071 – Application Layer Protocol
• T1573 – Encrypted Channel
• T1090 – Proxy

VirusTotal Snapshot

VirusTotal analysis of the identified hash (1b20a210fe96e5a8abc347dfb91d7befecb4b5f9b7ed40d856410fac15952057) shows 0 malicious detections and 62 undetected. This suggests that the file may be newly created, obfuscated, or designed to evade traditional signature-based detection mechanisms. The type description is ‘Text’ with size 140 bytes.

• VirusTotal Sample

Indicators of Compromise (IoCs)

It is recommended to monitor these IoCs for at least 30 days.

Detection & Hunting

Splunk SPL

index=* src_ip=206.189.130.0/24  | stats count by dest_ip, dest_port

This Splunk query searches for network connections originating from the 206.189.130.0/24 subnet (DigitalOcean) and aggregates the connections by destination IP and port. Validate potential hits against known good traffic from DigitalOcean.

Containment, Eradication & Recovery

1. Isolate: Immediately isolate the affected systems from the network to prevent further propagation.
2. Block: Block the identified IP address (206.189.130.14) at the firewall to prevent further communication.
3. Scan: Perform a full system scan using updated antivirus and anti-malware software to detect and remove any malicious files.
4. Reimage: If the system is heavily infected, consider reimaging it from a known good backup.
5. Reset Credentials: Reset passwords for all accounts that may have been compromised.

Remember to communicate with IT and leadership teams about the incident and recovery process. Preserve any evidence for potential forensic analysis.

Hardening & Preventive Controls

• Multi-Factor Authentication (MFA): Implement MFA for all critical systems and accounts (NIST CSF: PR.AC-1, CIS Control 6).
• Endpoint Detection and Response (EDR): Tune EDR solutions to detect and block suspicious network activity (NIST CSF: DE.CM-1, CIS Control 8).
• Network Segmentation: Implement network segmentation to limit the impact of potential breaches (NIST CSF: PR.AC-5, CIS Control 14).
• Least Privilege: Enforce the principle of least privilege to limit the access rights of users and applications (NIST CSF: PR.AC-3, CIS Control 5).
• Patch Management: Implement a robust patch management process to ensure that all systems are up-to-date with the latest security patches (NIST CSF: PR.MA-1, CIS Control 7).

Business Impact & Risk Outlook

The observed activity could lead to operational disruptions, data breaches, and reputational damage. Legal and compliance risks may arise if sensitive data is compromised. In the next 3-6 months, we anticipate an increase in similar attacks originating from cloud infrastructure providers, as attackers leverage these platforms for malicious purposes.

Appendix

[Redacted Payload Snippet]

Assumptions & Data Gaps

• SensorName is unavailable.
• Network Port information is unavailable.
• Full payload data is not available.

References

• VirusTotal Sample

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