IP Address: 92.39.130.60Malicious

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IP Address:
92.39.130.60​
Malicious

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

Threat Information

Role

Attacker

Services Targeted

RDP

Tags

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

Connect Back Servers

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

Basic Information

IP Address

92.39.130.60

Domain

-

ISP

-

Country

Russian Federation

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-10-22

Last seen in Guardicore Centra

2019-10-22

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

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

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

Service Creation

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

Execute from Share

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

DNS Query Access Suspicious Domain

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: 9201e12e845b1ba9429a7e5676ff9f285ef14a4b1b8c3e1b96b53ac3891c3012

6,672 bytes

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IP Address: 92.39.130.60​Malicious