IP Address: 58.221.187.4Previously Malicious

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IP Address:
58.221.187.4​
Previously Malicious

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

Threat Information

Role

Attacker

Services Targeted

MSSQL

Tags

Access Suspicious Domain DNS Query Successful MSSQL Login Create MsSql Procedure Service Configuration Outgoing Connection MSSQL 2016 Create MsSql Table Service Start Download and Execute Failed MSSQL Login WMI Method Drop MsSql Table CMD IDS - Attempted User Privilege Gain Persistency - Image Hijack MSSQL MSSQL Brute Force Post Reboot Rename Service Creation Malicious File

Connect Back Servers

pingseng.f3322.net dns.msftncsi.com cct119.com

112.26.165.119

Basic Information

IP Address

58.221.187.4

Domain

-

ISP

China Telecom jiangsu

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2017-11-22

Last seen in Guardicore Centra

2017-11-22

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) 3 times

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

A user logged in using MSSQL with the following credentials: Chred1433 / *************** - 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 credentials: kisadmin / *************** - Authentication policy: Previously Approved User (Part of a Brute Force Attempt) 2 times

MSSQL Brute Force Successful MSSQL Login

A user logged in using MSSQL with the following credentials: Chred1433 / *************** - Authentication policy: Previously Approved User (Part of a Brute Force Attempt) 2 times

MSSQL Brute Force Successful MSSQL Login

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 75 times

Persistency - Image Hijack

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

Malicious File

C:\Windows\security\logs\scesrv.log was identified as malicious by YARA according to rules: Suspicious Strings

Malicious File

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

Malicious File

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 0.0.0.0:49796

Process c:\windows\system32\ftp.exe attempted to access suspicious domains: cct119.com 3 times

DNS Query Access Suspicious Domain

Process NetworkService Service Group attempted to access suspicious domains: cct119.com

DNS Query Access Suspicious Domain

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 0.0.0.0:65133

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 0.0.0.0:65135

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 0.0.0.0:65137 and 112.26.165.119:21

Outgoing Connection

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 0.0.0.0:65139 and 112.26.165.119:21

Outgoing Connection

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 0.0.0.0:65141 and 112.26.165.119:21

Outgoing Connection

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 0.0.0.0:65143 and 112.26.165.119:21

Outgoing Connection

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 0.0.0.0:65145 and 112.26.165.119:21

Outgoing Connection

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 112.26.165.119:21 and 0.0.0.0:65147

Outgoing Connection

MSSQL tables were dropped: #A0F45C1E and #A4C4ED02

Drop MsSql Table

MSSQL tables were created: #temp_jobs_to_delete________________________________________________________________________________________________000000000002 and #temp_jobs_to_delete________________________________________________________________________________________________000000000003

Create MsSql Table

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

IDS - Attempted User Privilege Gain

The file C:\Windows\System32\hexintel.exe was downloaded and executed

Download and Execute

C:\Windows\System32\hexintel.exe was identified as malicious by YARA according to rules: Peid, Packer Compiler Signatures, Suspicious Strings and Malw Pe Sections

Malicious File

C:\hexintel.exe was identified as malicious by YARA according to rules: Peid, Packer Compiler Signatures, Suspicious Strings and Malw Pe Sections

Malicious File

c:\windows\system32\services.exe installed and started c:\windows\system32\mqkeu.exe as a service named FSqumk msqmeoaq under service group None

Service Creation Service Start

c:\windows\syswow64\306906.bak was deleted by c:\windows\system32\hexintel.exe ( pending reboot )

Post Reboot Rename

Connection was closed due to timeout

Associated Files

C:\Windows\System32\hexintel.exe

SHA256: 76bcb94ce500b5504d6c21a99131d6c5bd7108433889ae8839f378c0213a710e

168440 bytes

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IP Address: 58.221.187.4​Previously Malicious