IP Address: 81.12.52.134Malicious

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IP Address:
81.12.52.134​
Malicious

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

Threat Information

Role

Attacker

Services Targeted

SMB

Tags

User Created IDS - Attempted Administrator Privilege Gain File Operation By CMD System File Modification Outgoing Connection User Removed CMD PowerShell Access Suspicious Domain Service Configuration MS17-010 Listening SMB Null Session Login SMB User Added to Group Known Malware Download and Execute

Connect Back Servers

worldsender.info

139.5.177.10 223.25.247.240 173.247.239.186 74.222.14.94

Basic Information

IP Address

81.12.52.134

Domain

-

ISP

-

Country

Iran, Islamic Republic of

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-10-21

Last seen in Guardicore Centra

2019-10-26

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 Attempted Administrator Privilege Gain : Windows SMB remote code execution attempt

IDS - Attempted Administrator Privilege Gain

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

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

Listening

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

Outgoing Connection

Process c:\windows\system32\u.exe attempted to access suspicious domains: worldsender.info

Outgoing Connection Access Suspicious Domain

System file c:\windows\system32\conhost.exe was modified 4 times

System File Modification

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

System File Modification

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

Connection was closed due to user inactivity

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IP Address: 81.12.52.134​Malicious