IP Address: 172.81.102.65Malicious

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IP Address:
172.81.102.65​
Malicious

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

Threat Information

Role

Attacker

Services Targeted

SMB

Tags

SMB CMD MS17-010 Access Suspicious Domain File Operation By CMD User Removed Application Compatibility Hijacking Download and Execute PowerShell User Added to Group System File Modification SMB Null Session Login Service Configuration Outgoing Connection Listening Executable File Modification User Created Known Malware

Connect Back Servers

triangleww.com

139.5.177.10 173.247.239.186 74.222.14.94 223.25.247.240 185.112.156.92

Basic Information

IP Address

172.81.102.65

Domain

-

ISP

KLAYER

Country

Japan

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-09-30

Last seen in Guardicore Centra

2019-11-01

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

The machine was exploited using the ms17-010 vulnerability

Process c:\windows\system32\windowspowershell\v1.0\powershell.exe generated outgoing network traffic to: 74.222.14.94:80

Outgoing Connection

PowerShell session started by c:\windows\system32\windowspowershell\v1.0\powershell.exe 2 times

User admin$ was created with the password ************* and added to groups: Administrators

User Added to Group User Created

Process c:\windows\system32\windowspowershell\v1.0\powershell.exe generated outgoing network traffic to: 139.5.177.10:80, 173.247.239.186:80 and 74.222.14.94:80

Outgoing Connection

The file C:\Windows\System32\ok.exe was downloaded and executed

Download and Execute

The file C:\Windows\System32\upsupx.exe was downloaded and executed

Download and Execute

Process c:\windows\system32\upsupx.exe started listening on ports: 32831

Listening

System file C:\Windows\AppCompat\Programs\Amcache.hve was modified 4 times

System File Modification

Process c:\windows\system32\u.exe generated outgoing network traffic to: 223.25.247.240:80

Outgoing Connection

Process c:\windows\system32\u.exe attempted to access suspicious domains: triangleww.com

Access Suspicious Domain Outgoing Connection

The file C:\Windows\System\down.exe was downloaded and executed

Download and Execute

The file C:\Windows\Inf\msiefsaa.exe was downloaded and executed

Download and Execute

Process c:\windows\s.exe generated outgoing network traffic to: 185.112.156.92:8092

Outgoing Connection

The file C:\Windows\System\msinfo.exe was downloaded and executed

Download and Execute

The file C:\Windows\SysWOW64\wpcap.dll was downloaded and loaded by c:\windows\system\msinfo.exe

Download and Execute

The file C:\Windows\SysWOW64\npptools.dll was downloaded and loaded by c:\windows\system\msinfo.exe

Download and Execute

Executable file C:\Program Files\Microsoft SQL Server\110\Shared\SqlWtsn.exe was modified

Executable File Modification

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IP Address: 172.81.102.65​Malicious