IP Address: 116.26.5.15Previously Malicious

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IP Address:
116.26.5.15​
Previously Malicious

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

Threat Information

Role

Attacker

Services Targeted

MSSQL

Tags

Create MsSql Procedure IDS - Attempted User Privilege Gain Drop MsSql Table File Operation By CMD Malicious File CMD Successful MSSQL Login MSSQL Outgoing Connection Persistency - Logon Execute MsSql Shell Command Download and Execute Listening Access Suspicious Domain MSSQL Brute Force DNS Query PowerShell MSSQL Null Session Login

Connect Back Servers

zcop.ru www.cyg2016.xyz kr1s.ru nic.ru iplogger.co down.mys2016.info js.mys2016.info

195.208.1.107 81.177.135.35

Basic Information

IP Address

116.26.5.15

Domain

-

ISP

China Telecom Guangdong

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-08-26

Last seen in Guardicore Centra

2018-08-29

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: sa / ****** - Authentication policy: White List (Part of a Brute Force Attempt)

MSSQL Brute Force Successful MSSQL Login

MSSQL procedures were created: sp_password , sp_addsrvrolemember , sp_addextendedproc , sp_droplogin and sp_addlogin

Create MsSql Procedure

IDS detected Attempted User Privilege Gain : sp_password - password change

IDS - Attempted User Privilege Gain

IDS detected Attempted User Privilege Gain : xp_cmdshell - program execution

IDS - Attempted User Privilege Gain

IDS detected Attempted User Privilege Gain : xp_reg* - registry access

IDS - Attempted User Privilege Gain

IDS detected Attempted User Privilege Gain : SQL sp_configure - configuration change

IDS - Attempted User Privilege Gain

C:\Windows\System32\wbem\123.bat was identified as malicious by YARA according to rules: Suspicious Strings

Malicious File

C:\Windows\System32\PerfStringse.ini 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

MSSQL tables were dropped: #A3D0EDE1 and #A1E8A56F

Drop MsSql Table

IDS detected Attempted User Privilege Gain : sp_start_job - program execution

IDS - Attempted User Privilege Gain

Process c:\windows\system32\ftp.exe attempted to access suspicious domains: down.mys2016.info

DNS Query Access Suspicious Domain Outgoing Connection

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 81.177.135.35:21

Outgoing Connection

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

Listening

C:\Users\Administrator\AppData\Local\Microsoft\Windows\INetCache\IE\v[1].sct was identified as malicious by YARA according to rules: Suspicious Strings and Maldoc Powerpointmouse

Malicious File

c:\program files\microsoft sql server\mssql11.sqlexpress\mssql\binn\sqlservr.exe set the command line cmd /c start /min c:\windows\system32\wbem\123.bat to run using Persistency - Logon

Persistency - Logon

Process c:\windows\system32\regsvr32.exe attempted to access suspicious domains: js.mys2016.info

DNS Query Access Suspicious Domain

PowerShell session started by c:\windows\system32\windowspowershell\v1.0\powershell.exe

MSSQL executed 1 shell commands

Execute MsSql Shell Command

C:\Users\Administrator\AppData\Local\Temp\king.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Crypto Signatures

Malicious File

Process c:\windows\system32\windowspowershell\v1.0\powershell.exe attempted to access suspicious domains: kr1s.ru

DNS Query Access Suspicious Domain Outgoing Connection

Process c:\windows\system32\windowspowershell\v1.0\powershell.exe generated outgoing network traffic to: 195.208.1.107:80

Outgoing Connection

Process c:\users\admini~1\appdata\local\temp\king.exe attempted to access suspicious domains: iplogger.co and kr1s.ru

DNS Query Access Suspicious Domain

C:\Users\Administrator\AppData\Local\Temp\doc.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Crypto Signatures

Malicious File

C:\Users\Administrator\AppData\Local\Microsoft\Windows\INetCache\IE\doc[1].dat was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Crypto Signatures

Malicious File

C:\Users\Administrator\AppData\Local\Temp\nsbCA4C.tmp\inetc.dll was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid and Antidebug Antivm

Malicious File

C:\Users\Administrator\AppData\Roaming\Temps\DOC001.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Crypto Signatures

Malicious File

Process c:\windows\system32\wbem\scrcons.exe attempted to access suspicious domains: www.cyg2016.xyz

DNS Query Access Suspicious Domain

The file C:\Users\Administrator\AppData\Roaming\Temps\DOC001.exe was downloaded and executed

Download and Execute

Process c:\users\administrator\appdata\roaming\temps\doc001.exe attempted to access suspicious domains: zcop.ru and kr1s.ru

DNS Query Access Suspicious Domain

The file C:\Windows\System\cabs.exe was downloaded and executed

Download and Execute

Connection was closed due to user inactivity

Associated Files

C:\Windows\Temp\doc.exe

SHA256: d2e8b77fe0ddb96c4d52a34f9498dc7dd885c7b11b8745b78f3f6beaeec8e191

1033460 bytes

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IP Address: 116.26.5.15​Previously Malicious