IP Address: 103.68.192.4Previously Malicious

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IP Address:
103.68.192.4​
Previously Malicious

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

Threat Information

Role

Attacker

Services Targeted

MSSQL

Tags

Persistency - Mime Filter Access Suspicious Domain Successful MSSQL Login MSSQL Listening Malicious File Service Stop DNS Query Download and Execute Create MsSql Procedure MSSQL Brute Force RDP CMD Drop MsSql Table Outgoing Connection

Connect Back Servers

zwj19940929.f3322.org cct119.com

118.193.240.7 119.28.133.78 211.149.160.130

Basic Information

IP Address

103.68.192.4

Domain

-

ISP

Anchnet Asia Limited

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-08-19

Last seen in Guardicore Centra

2018-08-20

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 username: sa - Authentication policy: Reached Max Attempts (Part of a Brute Force Attempt)

MSSQL Brute Force Successful MSSQL Login

A user logged in using MSSQL with the following username: sa - Authentication policy: Previously Approved User (Part of a Brute Force Attempt) 5 times

MSSQL Brute Force Successful MSSQL Login

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

MSSQL Brute Force Successful MSSQL Login

A user logged in using MSSQL with the following credentials: KISAdmin / ***** - Authentication policy: Reached Max Attempts (Part of a Brute Force Attempt)

MSSQL Brute Force Successful MSSQL Login

MSSQL procedures were created: sp_addextendedproc and sp_dropextendedproc

Create MsSql Procedure

A user logged in using MSSQL with the following credentials: KISAdmin / ***** - Authentication policy: Previously Approved User (Part of a Brute Force Attempt) 3 times

MSSQL Brute Force Successful MSSQL Login

C:\Windows\System32\us.dat was identified as malicious by YARA according to rules: Suspicious Strings

Malicious File

Process c:\windows\system32\ftp.exe attempted to access suspicious domains: cct119.com 2 times

DNS Query Access Suspicious Domain Outgoing Connection

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 119.28.133.78:21 2 times

Outgoing Connection

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

Listening

Process c:\windows\system32\ftp.exe started listening on ports: 49160

Listening

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 211.149.160.130:21 4 times

Outgoing Connection

Service CryptSvc was stopped

Service Stop

c:\windows\system32\regsvr32.exe installed a Persistency - Mime Filter backdoor by modifying Windows Registry 63 times

Persistency - Mime Filter

The file C:\Windows\System32\60hack.exe was downloaded and executed 2 times

Download and Execute

MSSQL tables were dropped: #A1E89578

Drop MsSql Table

C:\Windows\System32\hexGreenhill.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Suspicious Strings

Malicious File

The file C:\Windows\System32\hexGreenhill.exe was downloaded and executed 2 times

Download and Execute

Process c:\windows\system32\hexgreenhill.exe attempted to access domains: zwj19940929.f3322.org 2 times

DNS Query

Process c:\windows\system32\hexgreenhill.exe generated outgoing network traffic to: 118.193.240.7:3311 2 times

Outgoing Connection

Process c:\hexgreenhill.exe attempted to access domains: zwj19940929.f3322.org

DNS Query

Process c:\hexgreenhill.exe generated outgoing network traffic to: 118.193.240.7:3311

Outgoing Connection

Connection was closed due to timeout

Associated Files

C:\Windows\System32\hexGreenhill.exe

SHA256: 4f03b731b99ebaa21b54dc28470545baada852acfbc3938287679964d35df2c6

397312 bytes

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IP Address: 103.68.192.4​Previously Malicious