IP Address: 78.84.43.247Previously Malicious

Weekly Summary

Browse or download a weekly review of our cyber threat intelligence data and gain more insight to help protect your network

Top Threats

Cyber Threat Intelligence

Discover Malicious IPs and Domains with Guardicore Cyber Threat Feed

IP Address:
78.84.43.247​
Previously Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

RDP

Tags

Execute from Share Download and Execute Service Creation Service Deletion System File Modification Morto Port 3389 Scan Access Share Service Stop Access Suspicious Domain RDP Service Start Post Reboot Rename Service Configuration DNS Query Successful RDP Login System Shutdown Known Malware

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

78.84.43.247

Domain

-

ISP

Lattelecom

Country

Latvia

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-09-30

Last seen in Guardicore Centra

2019-10-13

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 Creation Service Start

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

Service Creation

The file C:\WINDOWS\clb.dll was downloaded and loaded by c:\windows\regedit.exe

Download and Execute

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

Service Ias was stopped

Service Stop

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

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

DNS Query

Process netsvcs Service Group generated outgoing network traffic to: 192.168.8.10:3389, 192.168.8.11:3389, 192.168.8.12:3389, 192.168.8.13:3389, 192.168.8.14:3389, 192.168.8.15:3389, 192.168.8.16:3389, 192.168.8.17:3389, 192.168.8.18:3389, 192.168.8.19:3389, 192.168.8.1:3389, 192.168.8.20:3389, 192.168.8.21:3389, 192.168.8.22:3389, 192.168.8.23:3389, 192.168.8.24:3389, 192.168.8.25:3389, 192.168.8.26:3389, 192.168.8.27:3389, 192.168.8.2:3389, 192.168.8.3:3389, 192.168.8.4:3389, 192.168.8.5:3389, 192.168.8.6:3389, 192.168.8.7:3389, 192.168.8.8:3389, 192.168.8.9:3389 and 74.125.71.104:80

c:\windows\system32\rundll32.exe attempted shutdown of type Shut down all processes running in the logon session of the process with reason: Unspecified

System Shutdown

Process netsvcs Service Group scanned port 3389 on 27 IP Addresses

Port 3389 Scan

Connection was closed due to user inactivity

Associated Files

C:\WINDOWS\Temp\ntshrui.dll

SHA256: 74c70986b5ac73081f3a349c786c39c857aa0903c3f6acaad548406642d57f0a

6672 bytes

Oops! - Do you see your IP here? Contact us at labs@guardicore.com to remove it from the Threat Intelligence data.

IP Address: 78.84.43.247​Previously Malicious