IP Address: 120.77.206.169Previously Malicious

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IP Address:
120.77.206.169​
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 Create MsSql Procedure MSSQL IDS - Attempted User Privilege Gain File Operation By CMD Modification Drop MsSql Table Download and Execute CMD Outgoing Connection Service Configuration Malicious File Access Suspicious Domain Persistency - Logon Successful MSSQL Login MSSQL Null Session Login

Connect Back Servers

www.cyg2016.xyz dns.msftncsi.com down.mys2016.info blog.sina.com.cn activation-v2.sls.microsoft.com js.mys2016.info www.msftncsi.com hinet.net js.mykings.top

60.250.76.51 0.0.0.0 218.30.115.123 27.255.79.151

Basic Information

IP Address

120.77.206.169

Domain

-

ISP

Aliyun Computing Co.

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2017-06-06

Last seen in Guardicore Centra

2017-08-22

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 credentials: sa / ****** - Authentication policy: White List

Successful MSSQL Login

MSSQL procedures were created: sp_password , sp_addsrvrolemember , sp_addextendedproc 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

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\wbem\scrcons.exe attempted to access suspicious domains: www.cyg2016.xyz

DNS Query Access Suspicious Domain

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 0.0.0.0:53480 and 60.250.76.51:21

Outgoing Connection

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\regsvr32.exe attempted to access suspicious domains: js.mys2016.info 2 times

DNS Query Access Suspicious Domain

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

Download and Execute

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

C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\ups[1].rar was identified as malicious by YARA according to rules: Packer, Peid, Packer Compiler Signatures, Crypto Signatures and Malw Pe Sections

Malicious File

C:\Windows\System\cabs.exe was identified as malicious by YARA according to rules: Packer, Peid, Packer Compiler Signatures, Crypto Signatures and Malw Pe Sections

Malicious File

Process c:\windows\system\cabs.exe attempted to access domains: blog.sina.com.cn

DNS Query

Process c:\windows\system\cabs.exe generated outgoing network traffic to: 218.30.115.123:80

Outgoing Connection

C:\Windows\SysWOW64\wpcap.dll was identified as malicious by YARA according to rules: Antidebug Antivm and Packer Compiler Signatures

Malicious File

C:\Windows\debug\item.dat was identified as malicious by YARA according to rules: Peid, Crypto Signatures, Malw Pe Sections, Antidebug Antivm, Maldoc Somerules and Packer Compiler Signatures

Malicious File

C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\test1[1].dat was identified as malicious by YARA according to rules: Peid, Crypto Signatures, Malw Pe Sections, Antidebug Antivm, Maldoc Somerules and Packer Compiler Signatures

Malicious File

Process c:\windows\system32\regsvr32.exe attempted to access suspicious domains: js.mykings.top

DNS Query Access Suspicious Domain

C:\Windows\SysWOW64\packet.dll was identified as malicious by YARA according to rules: Antidebug Antivm and Packer Compiler Signatures

Malicious File

C:\Windows\SysWOW64\npptools.dll was identified as malicious by YARA according to rules: Antidebug Antivm, Peid and Packer Compiler Signatures

Malicious File

C:\Windows\System32\drivers\npf.sys was identified as malicious by YARA according to rules: Antidebug Antivm and Packer Compiler Signatures

Malicious File

C:\Windows\System\upslist.txt was identified as malicious by YARA according to rules: Malw Yayih

Malicious File

The file C:\Windows\debug\item.dat was downloaded and loaded by c:\windows\system32\rundll32.exe

Download and Execute

Associated Files

C:\Windows\System\cabs.exe

SHA256: 1e8017816a5b74cf68467f8c8d588713c61b1e7d22b1b5794ac751953d2cd35b

184936 bytes

C:\Windows\debug\item.dat

SHA256: e6fc79a24d40aea81afdc7886a05f008385661a518422b22873d34496c3fb36b

1217024 bytes

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IP Address: 120.77.206.169​Previously Malicious