IP Address: 111.73.46.30Previously Malicious

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IP Address:
111.73.46.30​
Previously Malicious

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

Threat Information

Role

Attacker, Connect-Back, Scanner

Services Targeted

MSSQL

Tags

Outgoing Connection Drop MsSql Procedure Access Suspicious Domain Drop MsSql Table IDS - Attempted User Privilege Gain DNS Query Successful MSSQL Login Create MsSql Procedure Persistency - Image Hijack CMD MSSQL Download and Execute Malicious File

Associated Attack Servers

127.0.0.1 activation-v2.sls.microsoft.com dns.msftncsi.com k.lsypc.cn cct119.com

0.0.0.0 111.73.46.87

Basic Information

IP Address

111.73.46.30

Domain

-

ISP

China Telecom Jiangxi

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2017-06-20

Last seen in Guardicore Centra

2018-06-24

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

Successful MSSQL Login

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

Successful MSSQL Login

A user logged in using MSSQL with the following credentials: kisadmin / **** - Authentication policy: Reached Max Attempts

Successful MSSQL Login

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

Successful MSSQL Login

A user logged in using MSSQL with the following username: sa - Authentication policy: Previously Approved User 2 times

Successful MSSQL Login

MSSQL procedures were created: sp_addextendedproc and sp_dropextendedproc

Create MsSql Procedure

MSSQL procedures were dropped: sp_addextendedproc and sp_dropextendedproc

Drop 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 75 times

Persistency - Image Hijack

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 0.0.0.0:62671

Outgoing Connection

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 0.0.0.0:62673

Outgoing Connection

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

Access Suspicious Domain Outgoing Connection DNS Query

Process c:\windows\system32\sppsvc.exe generated outgoing network traffic to: 0.0.0.0:49423

Outgoing Connection

Process c:\windows\system32\sppsvc.exe attempted to access suspicious domains: cct119.com

Access Suspicious Domain Outgoing Connection DNS Query

Process c:\windows\system32\slui.exe generated outgoing network traffic to: 111.73.46.30:21 and 0.0.0.0:49425

Outgoing Connection

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 111.73.46.30:21 and 0.0.0.0:49427

Outgoing Connection

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 111.73.46.30:21 and 0.0.0.0:49429

Outgoing Connection

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 111.73.46.30:21 and 0.0.0.0:49431

Outgoing Connection

Process c:\windows\system32\wbem\wmiprvse.exe generated outgoing network traffic to: 111.73.46.30:21 and 0.0.0.0:49433

Outgoing Connection

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 111.73.46.30:21 and 0.0.0.0:49435

Outgoing Connection

MSSQL tables were dropped: #A0F44961

Drop MsSql Table

IDS detected Attempted User Privilege Gain : MS-SQL SQL Injection closing string plus line comment

IDS - Attempted User Privilege Gain

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

Malicious File

C:\hexserver.exe was identified as malicious by YARA according to rules: Antidebug Antivm, Peid and Packer Compiler Signatures

Malicious File

The file C:\Windows\System32\hexserver.exe was downloaded and executed 3 times

Download and Execute

The file C:\hexserver.exe was downloaded and executed 3 times

Download and Execute

Process c:\windows\system32\hexserver.exe attempted to access suspicious domains: k.lsypc.cn and 127.0.0.1

Access Suspicious Domain DNS Query

Associated Files

C:\Windows\System32\hexserver.exe

SHA256: 31bdad92ad74f5f3398087622878b9c4140dc5b4ec6a2e45f901759aa06fb56f

430592 bytes

C:\ProgramData\zxh.exe

SHA256: 6418b77a35ec2cb6c21ed925035e8d12220beb804df125ff6eb7505f60142e90

49152 bytes

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IP Address: 111.73.46.30​Previously Malicious