IP Address: 189.27.233.93Malicious

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IP Address:
189.27.233.93​
Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

RDP

Tags

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

Associated Attack Servers

ms.jifr.net flt1.jifr.net ms.jifr.info ms.jifr.co.be ms.jifr.co.cc ss.jifr.net dos1.jifr.net

Basic Information

IP Address

189.27.233.93

Domain

-

ISP

Vivo

Country

Brazil

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2020-02-20

Last seen in Guardicore Centra

2020-02-20

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

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

Service Creation Service Start

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

Access Suspicious Domain DNS Query

Service Ias was stopped

Service Stop

Process netsvcs Service Group attempted to access domains: ms.jifr.co.cc 2 times

DNS Query

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

Service Creation

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 generated outgoing network traffic to: 74.125.71.104:80

Process netsvcs Service Group attempted to access suspicious domains: dos1.jifr.net, flt1.jifr.net, ms.jifr.co.be, ms.jifr.info, ms.jifr.net and ss.jifr.net

Access Suspicious Domain DNS Query

Connection was closed due to user inactivity

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IP Address: 189.27.233.93​Malicious