IP Address: 14.120.79.41Previously Malicious

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IP Address:
14.120.79.41​
Previously Malicious

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

Threat Information

Role

Attacker

Services Targeted

RDP

Tags

System File Modification Service Start Service Deletion Access Share DNS Query Service Configuration Known Malware Successful RDP Login Execute from Share Service Creation Post Reboot Rename Download and Execute RDP Morto Service Stop Access Suspicious Domain

Connect Back Servers

flt1.jifr.net ms.jifr.co.cc ms.jifr.net ms.jifr.co.be ms.jifr.info

Basic Information

IP Address

14.120.79.41

Domain

-

ISP

China Telecom Guangdong

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-03-04

Last seen in Guardicore Centra

2019-03-04

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 RDP with the following credentials: administrator / **** - Authentication policy: White List

Successful RDP Login

a.dll was loaded from the remote share \\tsclient\a by c:\windows\system32\rundll32.exe

Execute from Share

System file c:\windows\clb.dllbak was modified 25 times

System File Modification

c:\windows\regedit.exe installed and started c:\windows\temp\ntshrui.dll as a service named Ias under service group netsvcs

Service Start Service Creation

The file C:\WINDOWS\Temp\ntshrui.dll was downloaded and loaded by c:\windows\system32\svchost.exe

Download and Execute

c:\windows\regedit.exe installed c:\windows\system32\sens32.dll as a service named SENS under service group netsvcs

Service Creation

Service Ias was stopped

Service Stop

Process netsvcs Service Group attempted to access suspicious domains: flt1.jifr.net, ms.jifr.co.be, ms.jifr.info and ms.jifr.net

DNS Query Access Suspicious Domain

c:\windows\offline web pages\cache.txt was renamed to c:\windows\system32\sens32.dll by c:\windows\system32\svchost.exe ( pending reboot )

Post Reboot Rename

Process netsvcs Service Group attempted to access domains: ms.jifr.co.cc

DNS Query

Process netsvcs Service Group generated outgoing network traffic to: 74.125.71.104:80

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IP Address: 14.120.79.41​Previously Malicious