IP Address: 221.229.204.4Previously Malicious

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IP Address:
221.229.204.4​
Previously Malicious

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

Threat Information

Role

Attacker

Services Targeted

MSSQL

Tags

DNS Query Successful MSSQL Login Create MsSql Procedure RDP Drop MsSql Table Access Suspicious Domain IDS - Attempted User Privilege Gain IDS - A Network Trojan was detected MSSQL Download and Execute Malicious File Outgoing Connection Persistency - Logon Create MsSql Table

Connect Back Servers

avgqby.com ivwxsf.com ilo.brenz.pl ant.trenz.pl mvseeh.com umwoef.com

122.0.115.3 198.105.254.11 148.81.111.121

Basic Information

IP Address

221.229.204.4

Domain

-

ISP

China Telecom jiangsu

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-07-15

Last seen in Guardicore Centra

2018-07-22

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

Successful MSSQL Login

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

Successful MSSQL Login

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

Successful MSSQL Login

MSSQL tables were dropped: #A2DCB9B1 , #A0F4713F , #A1E89578 , #A4C50223 and #A6AD4A95

Drop MsSql Table

MSSQL tables were created: #qtemp______________________________________________________________________________________________________________000000000004 , #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

C:\Windows\System32\hex1.exe was identified as malicious by YARA according to rules: Maldoc Somerules, Packer Compiler Signatures, Antidebug Antivm and Crypto Signatures

Malicious File

C:\hex1.exe was identified as malicious by YARA according to rules: Maldoc Somerules, Packer Compiler Signatures, Antidebug Antivm and Crypto Signatures

Malicious File

IDS detected A Network Trojan was detected : Known Hostile Domain ilo.brenz .pl Lookup

IDS - A Network Trojan was detected

The file C:\Windows\System32\hex1.exe was downloaded and executed 2 times

Download and Execute

Process c:\windows\system32\hex1.exe attempted to access suspicious domains: ilo.brenz.pl, ant.trenz.pl and ivwxsf.com

DNS Query Access Suspicious Domain Outgoing Connection

Process c:\windows\system32\hex1.exe generated outgoing network traffic to: 148.81.111.121:80 and 198.105.254.11:443

Outgoing Connection

The file C:\hex1.exe was downloaded and executed 2 times

Download and Execute

MSSQL procedures were created: sp_addextendedproc and sp_dropextendedproc

Create MsSql Procedure

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

Malicious File

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

Malicious File

The file C:\Windows\System32\cs.exe was downloaded and executed 6 times

Download and Execute

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

Malicious File

c:\program files\microsoft sql server\mssql11.sqlexpress\mssql\binn\sqlservr.exe set the command line C:\WINDOWS\web\1.exe to run using Persistency - Logon

Persistency - Logon

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

Download and Execute

Process c:\windows\system32\p.exe generated outgoing network traffic to: 122.0.115.3:21 2 times

Outgoing Connection

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 122.0.115.3:21

Outgoing Connection

Connection was closed due to user inactivity

Associated Files

C:\Windows\System32\hex1.exe

SHA256: 5e004b09c230269107782aa4d5e181a2e774414dd81f8c646c44cb2d4e80d370

49152 bytes

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IP Address: 221.229.204.4​Previously Malicious