IP Address: 222.187.239.49Previously Malicious

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IP Address:
222.187.239.49​
Previously Malicious

This IP address attempted an attack on a machine protected by Guardicore Centra

Threat Information

Role

Attacker, Scanner

Services Targeted

SSH

Tags

Log Tampering HTTP Service Stop DNS Query Download and Allow Execution Download File Download Operation Access Suspicious Domain Listening Malicious File SSH Successful SSH Login 12 Shell Commands Outgoing Connection

Associated Attack Servers

mdb7.cn

103.238.225.44

Basic Information

IP Address

222.187.239.49

Domain

-

ISP

China Telecom jiangsu

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-06-24

Last seen in Guardicore Centra

2018-07-15

What is Guardicore Centra
Guardicore Centra is a data center and cloud security solution that protects the organization's core assets, using flexible, quickly deployed and easy to understand micro-segmentation controls. Centra generates in-context security incidents, with details on attacker tools and techniques, that help IR teams prioritize incident investigation and reduce dwell time. Learn More

Attack Flow

A user logged in using SSH with the following credentials: root / ******** - Authentication policy: Reached Max Attempts

Successful SSH Login

Process /usr/sbin/sshd started listening on ports: 1987 and 22

Listening

Service iptables was stopped

Service Stop

Process /usr/bin/wget attempted to access suspicious domains: mdb7.cn

DNS Query Access Suspicious Domain

Log File Tampering detected from /bin/rm on the following logs: /var/log/wtmp

Log Tampering

Process /usr/bin/wget generated outgoing network traffic to: 103.238.225.44:2485

Outgoing Connection

The file /root/linuxxzwy was downloaded and granted execution privileges

Download and Allow Execution

Connection was closed due to user inactivity

/root/linuxxzwy was identified as malicious by YARA according to rules: Crypto Signatures and Malw Pe Sections

Malicious File

Associated Files

/root/zwkos

SHA256: e4eab741f001cea55b4d8b3e3034147eb1804e4507798f2a61e76477154b46eb

3239584 bytes

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IP Address: 222.187.239.49​Previously Malicious