IP Address: 92.247.142.122Previously Malicious

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IP Address:
92.247.142.122​
Previously Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

RDP

Tags

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

Associated Attack Servers

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

Basic Information

IP Address

92.247.142.122

Domain

-

ISP

A1 Bulgaria

Country

Bulgaria

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-05-26

Last seen in Guardicore Centra

2020-02-22

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

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

Download and Execute

c:\windows\system32\services.exe installed and started c:\windows\temp\ntshrui.dll as a service named Ias under service group netsvcs

Service Start Service Creation

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

DNS Query Access Suspicious Domain

Service Ias was stopped

Service Stop

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, 192.168.8.2:3389, 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\regedit.exe installed c:\windows\system32\sens32.dll as a service named SENS under service group netsvcs

Service Creation

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

DNS Query

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

System File Modification

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 scanned port 3389 on 19 IP Addresses

Port 3389 Scan

Connection was closed due to user inactivity

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IP Address: 92.247.142.122​Previously Malicious