IP Address: 113.4.173.24Previously Malicious

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IP Address:
113.4.173.24​
Previously Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

MSSQL

Tags

Service Configuration Scheduled Task Creation User Created User Password Changed CMD Successful MSSQL Login Persistency - Logon Drop MsSql Table Service Stop File Operation By CMD Persistency - Mime Filter Create MsSql Table User Added to Group MSSQL Brute Force Outgoing Connection MSSQL Persistency - Image Hijack Create MsSql Procedure Execute MsSql Shell Command Listening

Associated Attack Servers

xa.vollar.ga c.vollar.ga 185.172.66.203 googleusercontent.com

104.196.132.23 183.131.3.196 185.172.66.203

Basic Information

IP Address

113.4.173.24

Domain

-

ISP

China Unicom Liaoning

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-12-14

Last seen in Guardicore Centra

2019-12-18

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

Process c:\windows\system32\lsass.exe started listening on ports: 49158

Listening

A user logged in using MSSQL with the following credentials: test / ******* - Authentication policy: White List (Part of a Brute Force Attempt)

Successful MSSQL Login MSSQL Brute Force

A user logged in using MSSQL with the following credentials: test / ******* - Authentication policy: Previously Approved User (Part of a Brute Force Attempt) 6 times

Successful MSSQL Login MSSQL Brute Force

MSSQL executed 73 shell commands

Execute MsSql Shell Command

MSSQL procedures were created: sp_addextendedproc and sp_dropextendedproc

Create MsSql Procedure

c:\program files\microsoft sql server\mssql11.sqlexpress\mssql\binn\sqlservr.exe set the command line taskkill.exe to run using Persistency - Image Hijack 25 times

Persistency - Image Hijack Persistency - Logon

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 2 times

User Created User Added to Group

c:\program files\microsoft sql server\mssql11.sqlexpress\mssql\binn\sqlservr.exe set the command line C:\ProgramData\SQLAGENTVDC.exe to run using Persistency - Logon

Persistency - Image Hijack Persistency - Logon

Service CryptSvc was stopped

Service Stop

c:\windows\apppatch\apppatch64\aclayers.dll installed a Persistency - Mime Filter backdoor by modifying Windows Registry 2 times

Persistency - Mime Filter

c:\windows\system32\jscript.dll installed a Persistency - Mime Filter backdoor by modifying Windows Registry

Persistency - Mime Filter

c:\windows\apppatch\apppatch64\aclayers.dll installed a Persistency - Mime Filter backdoor by modifying Windows Registry

Persistency - Mime Filter

c:\windows\system32\vbscript.dll installed a Persistency - Mime Filter backdoor by modifying Windows Registry 2 times

Persistency - Mime Filter

c:\windows\system32\regsvr32.exe installed a Persistency - Mime Filter backdoor by modifying Windows Registry

Persistency - Mime Filter

c:\windows\apppatch\apppatch64\aclayers.dll installed a Persistency - Mime Filter backdoor by modifying Windows Registry

Persistency - Mime Filter

c:\windows\system32\vbscript.dll installed a Persistency - Mime Filter backdoor by modifying Windows Registry 2 times

Persistency - Mime Filter

c:\windows\apppatch\apppatch64\aclayers.dll installed a Persistency - Mime Filter backdoor by modifying Windows Registry

Persistency - Mime Filter

c:\windows\system32\regsvr32.exe installed a Persistency - Mime Filter backdoor by modifying Windows Registry

Persistency - Mime Filter

c:\windows\apppatch\apppatch64\aclayers.dll installed a Persistency - Mime Filter backdoor by modifying Windows Registry 9 times

Persistency - Mime Filter

c:\windows\system32\wbem\wmiprvse.exe installed a Persistency - Mime Filter backdoor by modifying Windows Registry

Persistency - Mime Filter

c:\windows\system32\regsvr32.exe installed a Persistency - Mime Filter backdoor by modifying Windows Registry 2 times

Persistency - Mime Filter

c:\windows\system32\wbem\wmiprvse.exe installed a Persistency - Mime Filter backdoor by modifying Windows Registry

Persistency - Mime Filter

c:\windows\system32\regsvr32.exe installed a Persistency - Mime Filter backdoor by modifying Windows Registry

Persistency - Mime Filter

c:\windows\system32\wbem\wmiprvse.exe installed a Persistency - Mime Filter backdoor by modifying Windows Registry

Persistency - Mime Filter

c:\windows\system32\regsvr32.exe installed a Persistency - Mime Filter backdoor by modifying Windows Registry 6 times

Persistency - Mime Filter

c:\windows\system32\wbem\wmiprvse.exe installed a Persistency - Mime Filter backdoor by modifying Windows Registry 2 times

Persistency - Mime Filter

MSSQL tables were dropped: #A0F4713F and #A2DCB9B1

Drop MsSql Table

MSSQL tables were created: #temp_jobs_to_delete________________________________________________________________________________________________000000000002

Create MsSql Table

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 183.131.3.196:21 3 times

Outgoing Connection

The command line C:\ProgramData\SQLAGENTVDC.exe was scheduled to run by modifying C:\Windows\System32\Tasks\Deduplication

Connection was closed due to timeout

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IP Address: 113.4.173.24​Previously Malicious