IP Address: 91.235.186.212Malicious

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IP Address:
91.235.186.212​
Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

MSSQL SMB

Tags

Download File HTTP Cookie Hijacking SMB Null Session Login Download and Execute CMD Service Start Service Configuration SMB IDS - A Network Trojan was detected Outgoing Connection System File Modification Service Creation Access Suspicious Domain

Associated Attack Servers

www.msftncsi.com hosteons.com load2.wpd0126.info trouble-free.net load.wpd0126.info img.vim-cn.com hostwindsdns.com

172.83.155.170 104.168.236.179 45.58.135.106 172.67.129.143 139.5.177.32 103.124.105.246 137.175.56.104 217.195.153.116 104.233.207.172 67.211.213.43

Basic Information

IP Address

91.235.186.212

Domain

-

ISP

Electrics Ltd

Country

Russian Federation

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-02-22

Last seen in Guardicore Centra

2021-05-07

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

IDS detected A Network Trojan was detected : ETERNALBLUE Probe Vulnerable System Response MS17-010

IDS - A Network Trojan was detected

c:\windows\system32\services.exe installed and started cmd as a service named HYwc under service group None

Service Start Service Creation

Process c:\windows\system32\regsvr32.exe generated outgoing network traffic to: 139.5.177.32:8032 and 217.195.153.116:80

Outgoing Connection

The file c:\windows\temp\conhoy.exe was downloaded and executed 2 times

Download and Execute

Process c:\windows\temp\conhoy.exe generated outgoing network traffic to: 103.124.105.246:80, 104.233.207.172:8172 and 137.175.56.104:80

Outgoing Connection

Process c:\windows\temp\conhoy.exe attempted to access suspicious domains: hosteons.com

Outgoing Connection Access Suspicious Domain

C:\WINDOWS\Temp\wmi.bat was downloaded

Download File

C:\WINDOWS\Temp\ntuser.dat was downloaded

Download File

The file C:\WINDOWS\Temp\u.exe was downloaded and executed

Download and Execute

c:\windows\inf\aspnet\lsma12.exe was downloaded

Download File

c:\windows\debug\item.dat was downloaded

Download File

Process c:\windows\temp\u.exe generated outgoing network traffic to: 172.83.155.170:80 and 45.58.135.106:80

Outgoing Connection

System file c:\windows\debug\item.dat was modified 4 times

System File Modification

Connection was closed due to user inactivity

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IP Address: 91.235.186.212​Malicious