IP Address: 36.113.128.246Previously Malicious

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:
36.113.128.246​
Previously Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

MSSQL

Tags

Download and Execute Service Start Execute MsSql Shell Command DNS Query Service Creation Persistency - Logon Post Reboot Rename User Password Changed User Created MSSQL Access Suspicious Domain Outgoing Connection Successful MSSQL Login CMD Service Configuration User Added to Group

Associated Attack Servers

ocsp2.globalsign.com ocsp.globalsign.com 113.240.239.69 map.baidu.com x.huineng.co secureserver.net u.owwwa.com www.baidu.com a.owwwa.com ctldl.windowsupdate.com 2019.ip138.com x.owwwa.com owwwa.com

113.240.239.69 166.62.30.153

Basic Information

IP Address

36.113.128.246

Domain

-

ISP

China Telecom Zhejiang

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-04-28

Last seen in Guardicore Centra

2019-05-03

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

A user logged in using MSSQL with the following credentials: user / ******* - Authentication policy: White List

Successful MSSQL Login

MSSQL executed 3 shell commands

Execute MsSql Shell Command

A user logged in using MSSQL with the following credentials: user / ******* - Authentication policy: Previously Approved User 3 times

Successful MSSQL Login

Password for user Guest was changed to: *********

User Password Changed

User Guest was added to groups: Administrators

User Added to Group

User IUER_SERVER was created with the password ********* and added to groups: Administrators 3 times

User Created User Added to Group

The file C:\ProgramData\SQLAGENTSON.exe was downloaded and executed

Download and Execute

c:\programdata\sqlagentson.exe installed a Persistency - Logon backdoor by modifying Windows Registry

Persistency - Logon

c:\users\admini~1\appdata\local\temp\sqlagentsa.exe installed a Persistency - Logon backdoor by modifying Windows Registry

Persistency - Logon

Process c:\users\admini~1\appdata\local\temp\sqlagentsa.exe attempted to access suspicious domains: 113.240.239.69, a.owwwa.com, owwwa.com and u.owwwa.com

Access Suspicious Domain Outgoing Connection DNS Query

Process c:\users\admini~1\appdata\local\temp\sqlagentsa.exe generated outgoing network traffic to: 113.240.239.69:9531

Outgoing Connection

Process c:\users\admini~1\appdata\local\temp\sqlagentsa.exe attempted to access domains: 2019.ip138.com, ctldl.windowsupdate.com, map.baidu.com, ocsp.globalsign.com, ocsp2.globalsign.com and www.baidu.com

DNS Query

The file C:\Program Files (x86)\Microsoft SQL Server\SQLIOSIMSA.exe was downloaded and executed 3 times

Download and Execute

c:\windows\system32\services.exe installed and started c:\program as a service named Microsoft SQL service under service group None

Service Start Service Creation

The file c:\program files (x86)\microsoft sql server\sqlbrowsers.exe was downloaded and executed

Download and Execute

c:\windows\system32\services.exe installed and started c:\program as a service named Microsoft SQL Server under service group None

Service Start Service Creation

c:\windows\syswow64\194171.bak was deleted by c:\users\admini~1\appdata\local\temp\sqlbrowsers.exe ( pending reboot )

Post Reboot Rename

Process c:\program files (x86)\microsoft sql server\sqlbrowsers.exe attempted to access suspicious domains: x.owwwa.com

Access Suspicious Domain Outgoing Connection DNS Query

Process c:\program files (x86)\microsoft sql server\sqlbrowsers.exe generated outgoing network traffic to: 113.240.239.69:21131

Outgoing Connection

Process c:\program files (x86)\microsoft sql server\sqliosimsa.exe attempted to access suspicious domains: x.owwwa.com

Access Suspicious Domain Outgoing Connection DNS Query

Process c:\program files (x86)\microsoft sql server\sqliosimsa.exe generated outgoing network traffic to: 113.240.239.69:22279

Outgoing Connection

Process c:\users\admini~1\appdata\local\temp\sqlagentc.exe attempted to access suspicious domains: x.huineng.co

Access Suspicious Domain DNS Query

Connection was closed due to timeout

Associated Files

C:\ProgramData\SQLAGENTSON.exe

SHA256: 39c5c03c909883473ec532f05f5dff3cd07a2db02f087aac85daf4196f965192

102400 bytes

C:\Program Files (x86)\Microsoft SQL Server\SQLIOSIMSA.exe

SHA256: 099ad41968623ef1f7e14d1761e1bf3058760f13616c9d9812e4f1fee7146aac

48627712 bytes

c:\program files (x86)\microsoft sql server\sqlbrowsers.exe

SHA256: 57edc17c204a84b2745ed02b1aec64868621a6e6a62117806b8e9c6c9d7b4427

58978304 bytes

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

IP Address: 36.113.128.246​Previously Malicious