IP Address: 121.155.229.38Malicious

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IP Address:
121.155.229.38​
Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

SCP

Tags

32 Shell Commands Successful SSH Login SCP Executable File Modification Download and Execute SSH Outgoing Connection System File Modification IDS - A Network Trojan was detected Download File Access Suspicious Domain

Associated Attack Servers

ip-139-99-48.net ip-51-79-226.net ip-178-32-120.eu ip-51-81-245.us ip-51-254-84.eu ip-51-222-151.net ip-147-135-37.us ip-51-68-21.eu ip-139-99-68.net ip-51-81-151.us your-server.de ip-51-222-149.net

147.135.37.31 136.243.49.177 139.99.48.226 51.81.245.40 51.68.21.188 139.99.68.128 51.254.84.37 51.79.226.3 51.222.149.99 94.130.165.85 178.32.120.127 51.222.151.22 51.68.21.186 94.130.164.163 94.130.165.87 88.99.193.240 51.222.149.40 51.81.151.235

Basic Information

IP Address

121.155.229.38

Domain

-

ISP

Korea Telecom

Country

Korea, Republic of

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2021-02-12

Last seen in Guardicore Centra

2021-03-17

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: White List

Successful SSH Login

Executable file /bin/38cwvbhr1351tqveoc8sv99pso was modified 16 times

Executable File Modification

/bin/38cwvbhr1351tqveoc8sv99pso was downloaded

Download File

Executable file /bin/dhpcd was modified 36 times

Executable File Modification

IDS detected A Network Trojan was detected : DNS request for Monero mining pool

IDS - A Network Trojan was detected

The file /bin/dhpcd was downloaded and executed 8 times

Download and Execute

Process /usr/sbin/sshd generated outgoing network traffic to: 139.99.68.128:4444, 51.222.151.22:4444, 51.68.21.188:4444, 51.81.151.235:4444 and 94.130.165.85:4444

Outgoing Connection

Process /usr/sbin/sshd attempted to access suspicious domains: ip-139-99-68.net, ip-51-222-151.net, ip-51-68-21.eu and ip-51-81-151.us

Outgoing Connection Access Suspicious Domain

System file /etc/nshadow was modified 9 times

System File Modification

/dev/shm/38cwvbhr1351tqveoc8sv99pso was downloaded

Download File

/dev/shm/knrm was downloaded

Download File

/dev/shm/r was downloaded

Download File

Executable file /sbin/ldconfig.real was modified

Executable File Modification

System file /etc/seduH4m1M was modified 9 times

System File Modification

/bin/dhpcd was downloaded

Download File

Process /bin/dhpcd generated outgoing network traffic to: 51.222.149.99:4444

Outgoing Connection

Process /bin/dhpcd attempted to access suspicious domains: ip-51-222-149.net

Outgoing Connection Access Suspicious Domain

Connection was closed due to timeout

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IP Address: 121.155.229.38​Malicious