IP Address: 121.15.212.209Previously Malicious

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IP Address:
121.15.212.209​
Previously Malicious

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

Threat Information

Role

Attacker

Services Targeted

MSSQL

Tags

WMI Method Malicious File Drop MsSql Table Failed MSSQL Login Execute MsSql Shell Command MSSQL Brute Force File Operation By CMD Access Suspicious Domain Create MsSql Procedure WMI Persistence Persistency - Logon DNS Query IDS - Attempted User Privilege Gain MSSQL 2014 MSSQL Successful MSSQL Login CMD MSSQL Null Session Login

Connect Back Servers

www.cyg2016.xyz dns.msftncsi.com down.mys2018.xyz down.mys2016.info js.mys2018.xyz js.mys2016.info gamesoxalic.com www.msftncsi.com

66.117.6.174 67.229.99.82

Basic Information

IP Address

121.15.212.209

Domain

-

ISP

China Telecom Guangdong

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2017-12-04

Last seen in Guardicore Centra

2018-12-30

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: sa / ****** - Authentication policy: White List (Part of a Brute Force Attempt)

MSSQL Brute Force Successful MSSQL Login

MSSQL procedures were created: sp_password , sp_addsrvrolemember , sp_addextendedproc , sp_droplogin and sp_addlogin

Create MsSql Procedure

IDS detected Attempted User Privilege Gain : sp_password - password change

IDS - Attempted User Privilege Gain

IDS detected Attempted User Privilege Gain : xp_cmdshell - program execution

IDS - Attempted User Privilege Gain

IDS detected Attempted User Privilege Gain : xp_reg* - registry access

IDS - Attempted User Privilege Gain

IDS detected Attempted User Privilege Gain : SQL sp_configure - configuration change

IDS - Attempted User Privilege Gain

WMI methods were executed: Win32_LogicalFileSecuritySetting.Path="C:\\Progra~1\\Common~1\\System\\ado\\msado15.dll"::SetSecurityDescriptor , Win32_LogicalFileSecuritySetting.Path="vbscript.dll"::SetSecurityDescriptor , Win32_LogicalFileSecuritySetting.Path="shell32.dll"::SetSecurityDescriptor , Win32_LogicalFileSecuritySetting.Path="WSHom.Ocx"::SetSecurityDescriptor , Win32_LogicalFileSecuritySetting.Path="jscript.dll"::SetSecurityDescriptor , Win32_LogicalFileSecuritySetting.Path="regsvr32.exe"::SetSecurityDescriptor , Win32_LogicalFileSecuritySetting.Path="ftp.exe"::SetSecurityDescriptor , Win32_LogicalFileSecuritySetting.Path="cmd.exe"::SetSecurityDescriptor , Win32_LogicalFileSecuritySetting.Path="cacls.exe"::SetSecurityDescriptor , Win32_LogicalFileSecuritySetting.Path="scrrun.dll"::SetSecurityDescriptor and Win32_LogicalFileSecuritySetting.Path="rundll32.exe"::SetSecurityDescriptor

WMI Method

C:\Windows\System32\wbem\123.bat was identified as malicious by YARA according to rules: Suspicious Strings

Malicious File

C:\Windows\System32\PerfStringse.ini was identified as malicious by YARA according to rules: Suspicious Strings

Malicious File

MSSQL tables were dropped: #A3D0EDE1 and #A1E8A56F

Drop MsSql Table

WMI persistence was detected. Consumers used: ActiveScriptEventConsumer

WMI Persistence

IDS detected Attempted User Privilege Gain : sp_start_job - program execution

IDS - Attempted User Privilege Gain

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 0.0.0.0:49796

Process c:\windows\system32\ftp.exe attempted to access suspicious domains: down.mys2016.info

DNS Query Access Suspicious Domain

Process NetworkService Service Group attempted to access suspicious domains: down.mys2016.info

DNS Query Access Suspicious Domain

Process c:\windows\system32\regsvr32.exe attempted to access suspicious domains: js.mys2016.info

DNS Query Access Suspicious Domain

MSSQL executed 2 shell commands

Execute MsSql Shell Command

c:\program files\microsoft sql server\mssql11.sqlexpress\mssql\binn\sqlservr.exe set the command line cmd /c start /min c:\windows\system32\wbem\123.bat to run using Persistency - Logon

Persistency - Logon

IDS detected Attempted User Privilege Gain : MS-SQL SQL Injection closing string plus line comment

IDS - Attempted User Privilege Gain

C:\Users\ADMINI~1\AppData\Local\Temp\Tmp3DFF.tmp was identified as malicious by YARA according to rules: Packer, Peid and Packer Compiler Signatures

Malicious File

Connection was closed due to timeout

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IP Address: 121.15.212.209​Previously Malicious