IP Address: 91.211.209.87Malicious

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IP Address:
91.211.209.87​
Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

MSSQL SMB

Tags

Listening Known Malware DNS Query Access Suspicious Domain HTTP SMB Null Session Login Download and Execute CMD Service Configuration Service Start SMB System File Modification Outgoing Connection Scheduled Task Creation PowerShell Download File MS17-010 File Operation By CMD

Associated Attack Servers

js.1226bye.xyz shell.loader0807.site neachers.com js.1226bye.pw gamesoxalic.com down.1226bye.pw

23.236.69.114 66.117.6.174 77.73.69.34 139.5.177.32 185.26.112.217 172.83.155.170 139.5.177.19 173.208.153.130 103.106.250.161 104.233.207.172

Basic Information

IP Address

91.211.209.87

Domain

-

ISP

Intelsvyaz Ltd.

Country

Russian Federation

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2020-02-24

Last seen in Guardicore Centra

2021-02-06

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

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

Process c:\windows\system32\windowspowershell\v1.0\powershell.exe generated outgoing network traffic to: 103.106.250.161:8161, 104.233.207.172:8172, 139.5.177.32:8032, 77.73.69.34:80 and 77.73.69.34:8034

Outgoing Connection

The command line c:\windows\temp\conhoy.exe was scheduled to run by modifying C:\Windows\System32\Tasks\MicrosoftsWindowsy

Process c:\windows\system32\windowspowershell\v1.0\powershell.exe attempted to access suspicious domains: neachers.com and shell.loader0807.site

Outgoing Connection DNS Query Access Suspicious Domain

The file C:\Windows\Temp\conhoy.exe was downloaded and executed 8 times

Download and Execute

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

System File Modification

System file C:\windows\Temp\u.exe was modified 4 times

System File Modification

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

System File Modification

System file C:\windows\Temp\ntuser.dat was modified 4 times

System File Modification

System file c:\windows\inf\aspnet\lsma12.exe was modified 4 times

System File Modification

C:\windows\Temp\wmia.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

Outgoing Connection

Process c:\windows\inf\aspnet\lsma12.exe started listening on ports: 32832

Listening

Service WdiSystemHost was started

Service Start

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\syswow64\wpcap.dll

Download and Execute

The file C:\Windows\SysWOW64\npptools.dll was downloaded and loaded by c:\windows\syswow64\npptools.dll

Download and Execute

Connection was closed due to user inactivity

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IP Address: 91.211.209.87​Malicious