IP Address: 191.5.46.31Malicious

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IP Address:
191.5.46.31​
Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

SMB

Tags

HTTP CMD SMB Null Session Login System File Modification Service Creation SMB Cookie Hijacking Access Suspicious Domain Service Configuration Download File Service Start Outgoing Connection Download and Execute

Associated Attack Servers

sharktech.net hosteons.com

70.39.123.18 23.236.69.114 139.5.177.32 103.124.105.246 173.208.153.130 45.58.135.106 173.208.139.170

Basic Information

IP Address

191.5.46.31

Domain

-

ISP

Sfox empreendimentos de informatica Ltda - me

Country

Brazil

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2020-09-29

Last seen in Guardicore Centra

2020-11-18

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

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

Service Creation Service Start

Process c:\windows\system32\regsvr32.exe generated outgoing network traffic to: 139.5.177.32:8032, 173.208.153.130:8130 and 70.39.123.18:8018

Outgoing Connection

The file C:\WINDOWS\system32\max.exe was downloaded and executed

Download and Execute

Process c:\windows\system32\regsvr32.exe attempted to access suspicious domains: sharktech.net

Outgoing Connection Access Suspicious Domain

The file c:\windows\temp\conhoy.exe was downloaded and executed 4 times

Download and Execute

Process c:\windows\temp\conhoy.exe generated outgoing network traffic to: 103.124.105.246:80, 173.208.139.170:8170 and 70.39.123.18:8018

Outgoing Connection

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

Outgoing Connection Access Suspicious Domain

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

Download File

c:\windows\temp\u.exe was downloaded

Download File

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

Download File

System file C:\windows\Temp\wmi.bat was modified 4 times

System File Modification

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

Download File

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

System File Modification

Process c:\windows\temp\u.exe generated outgoing network traffic to: 23.236.69.114:8114 and 45.58.135.106:8888

Outgoing Connection

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

Download File

The file C:\WINDOWS\system\msinfo.exe was downloaded and executed

Download and Execute

The file C:\WINDOWS\system32\wpcap.dll was downloaded and loaded by c:\windows\system\msinfo.exe

Download and Execute

The file C:\WINDOWS\system32\packet.dll was downloaded and loaded by c:\windows\system\msinfo.exe

Download and Execute

Connection was closed due to user inactivity

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IP Address: 191.5.46.31​Malicious