IP Address: 156.238.2.22Previously Malicious

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IP Address:
156.238.2.22​
Previously Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

MSSQL

Tags

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

Associated Attack Servers

iphoster.net

145.239.23.7

Basic Information

IP Address

156.238.2.22

Domain

-

ISP

Cloud Innovation Ltd

Country

United States

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-09-21

Last seen in Guardicore Centra

2019-09-27

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: admin / ******* - 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: admin / ******* - Authentication policy: Previously Approved User (Part of a Brute Force Attempt) 10 times

Successful MSSQL Login MSSQL Brute Force

MSSQL executed 76 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: ********* 3 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 4 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\SQLAGENTVDB.exe to run using Persistency - Logon

Persistency - Image Hijack Persistency - Logon

Service CryptSvc was stopped

Service Stop

c:\windows\system32\regsvr32.exe installed a Persistency - Mime Filter backdoor by modifying Windows Registry 35 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: 145.239.23.7:21 3 times

Outgoing Connection

Process c:\windows\system32\ftp.exe attempted to access suspicious domains: iphoster.net 3 times

Access Suspicious Domain Outgoing Connection

Process c:\windows\system32\ftp.exe started listening on ports: 49159

Listening

Process c:\windows\system32\ftp.exe started listening on ports: 49161

Listening

Process c:\windows\system32\ftp.exe started listening on ports: 49164

Listening

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

The file C:\ProgramData\SQLAGENTVDB.exe was downloaded and executed

Download and Execute

Connection was closed due to user inactivity

Associated Files

C:\ProgramData\SQLAGENTVDB.exe

SHA256: 1335bfb876a8e9bcb1b1b6a0fa350093dd919da32761b36b2b9736e4bbba70c0

108032 bytes

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IP Address: 156.238.2.22​Previously Malicious