IP Address: 121.32.93.241Previously Malicious

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IP Address:
121.32.93.241​
Previously Malicious

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

Threat Information

Role

Attacker

Services Targeted

MSSQL

Tags

Access Suspicious Domain Drop MsSql Table File Operation By CMD Modification Execute MsSql Shell Command CMD Successful MSSQL Login DNS Query IDS - Attempted User Privilege Gain Malicious File Outgoing Connection Persistency - Logon MSSQL Null Session Login MSSQL Create MsSql Procedure

Connect Back Servers

js.mys2016.info hinet.net dns.msftncsi.com down.mys2016.info

60.250.76.51 0.0.0.0

Basic Information

IP Address

121.32.93.241

Domain

-

ISP

China Telecom Guangdong

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2017-06-18

Last seen in Guardicore Centra

2017-06-19

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

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

MSSQL tables were dropped: #A3D0EDE1 and #A1E8A56F

Drop MsSql Table

IDS detected Attempted User Privilege Gain : sp_start_job - program execution

IDS - Attempted User Privilege Gain

Process c:\windows\system32\conhost.exe generated outgoing network traffic to: 0.0.0.0:54802 and 60.250.76.51:21

Outgoing Connection

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

DNS Query Access Suspicious Domain Outgoing Connection

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

DNS Query Access Suspicious Domain

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

MSSQL executed 2 shell commands

Execute MsSql Shell Command

C:\Users\ADMINI~1\AppData\Local\Temp\Tmp1195.tmp was identified as malicious by YARA according to rules: Packer, Peid and Packer Compiler Signatures

Malicious File

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

IDS - Attempted User Privilege Gain

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IP Address: 121.32.93.241​Previously Malicious