IP Address: 175.8.215.89Previously Malicious

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IP Address:
175.8.215.89​
Previously Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

MSSQL

Tags

MSSQL Service Creation User Added to Group Access Suspicious Domain System File Modification Service Configuration User Created Outgoing Connection Successful MSSQL Login DNS Query Persistency - Logon CMD Service Start User Password Changed IDS - A Network Trojan was detected Download and Execute Execute MsSql Shell Command

Associated Attack Servers

xa.vollar.ga c.vollar.ga iphoster.net ocsp2.globalsign.com ocsp.globalsign.com s.vollar.ga map.baidu.com d.nxxxn.ga ip.xianhua.com.cn www.baidu.com 185.172.66.203 ctldl.windowsupdate.com o.vollar.ga

145.239.23.7 185.172.66.203 154.209.232.201

Basic Information

IP Address

175.8.215.89

Domain

-

ISP

China Telecom Hunan

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-11-18

Last seen in Guardicore Centra

2019-11-20

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 13 shell commands

Execute MsSql Shell Command

IDS detected A Network Trojan was detected : Windows dir Microsoft Windows DOS prompt command exit OUTBOUND

IDS - A Network Trojan was detected

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

Successful MSSQL Login

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

Successful MSSQL Login

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

Successful MSSQL Login

Password for user Guest was changed to: ********* 2 times

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 6 times

User Created User Added to Group

A user logged in using MSSQL with the following credentials: user / ******* - Authentication policy: Previously Approved User 2 times

Successful MSSQL Login

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

Successful MSSQL Login

The file C:\ProgramData\SQLAGENTVDC.exe was downloaded and executed 2 times

Download and Execute

System file C:\Windows\AppCompat\Programs\Amcache.hve was modified 4 times

System File Modification

Process c:\users\admini~1\appdata\local\temp\sqlagentsuw.exe attempted to access suspicious domains: 185.172.66.203, c.vollar.ga, ip.xianhua.com.cn, s.vollar.ga and xa.vollar.ga

Access Suspicious Domain Outgoing Connection DNS Query

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

Persistency - Logon

Process c:\users\admini~1\appdata\local\temp\sqlagentsuw.exe generated outgoing network traffic to: 185.172.66.203:80

Outgoing Connection

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

DNS Query

Process c:\users\admini~1\appdata\local\temp\sqlagentc.exe attempted to access suspicious domains: o.vollar.ga

Access Suspicious Domain DNS Query

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

Service Start Service Creation

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

Download and Execute

Process c:\program files (x86)\microsoft sql server\sqlserasi.exe attempted to access suspicious domains: d.nxxxn.ga

Access Suspicious Domain Outgoing Connection DNS Query

Process c:\program files (x86)\microsoft sql server\sqlserasi.exe generated outgoing network traffic to: 154.209.232.201:22251

Outgoing Connection

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

Successful MSSQL Login

Connection was closed due to timeout

Associated Files

C:\ProgramData\SQLAGENTVDC.exe

SHA256: bd24bbcdde84d231d5b7124fc1289385c6a70af4dbc611ccccf69c1891b7ff1a

101376 bytes

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

SHA256: bd21b95d217afe1c2a014adba26db53d57bebc0665304f5cbe36b34d4f026910

41278896 bytes

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IP Address: 175.8.215.89​Previously Malicious