IP Address: 154.91.199.89Previously Malicious

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IP Address:
154.91.199.89​
Previously Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

MSSQL

Tags

Associated Attack Servers

owwwc.com 39.109.112.171 2018.ip138.com map.baidu.com xmr.f2pool.com www.baidu.com u.owwwc.com p.owwwa.com

218.201.51.229 39.109.112.171 10.0.0.33 10.0.0.15 10.0.0.71

Basic Information

IP Address

154.91.199.89

Domain

-

ISP

Yisu Cloud

Country

Hong Kong

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-12-09

Last seen in Guardicore Centra

2019-01-08

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 14 times

Successful MSSQL Login

MSSQL executed 83 shell commands

Execute MsSql Shell Command

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 C:\ProgramData\SQLAGENTSVW.exe to run using Persistency - Logon 3 times

Persistency - Image Hijack Persistency - Logon

C:\Windows\security\database\edbtmp.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 taskkill.exe to run using Persistency - Image Hijack 25 times

Persistency - Image Hijack Persistency - Logon

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

Malicious File

Service CryptSvc was stopped

Service Stop

c:\windows\system32\regsvr32.exe installed a Persistency - Mime Filter backdoor by modifying Windows Registry 63 times

Persistency - Mime Filter Persistency - Logon

MSSQL tables were dropped: #A0F471F0 and #A2DCBA62

Drop MsSql Table

MSSQL tables were created: #temp_jobs_to_delete________________________________________________________________________________________________000000000002

Create MsSql Table

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 218.201.51.229:21 6 times

Outgoing Connection

The command line C:\ProgramData\SQLAGENTSVW.exe was scheduled to run by modifying C:\Windows\System32\Tasks\45645

C:\ProgramData\SQLAGENTSVW.exe was identified as malicious by YARA according to rules: Peid, Suspicious Strings, Packer, Antidebug Antivm, Maldoc Somerules and Packer Compiler Signatures

Malicious File

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

Malicious File

The file C:\ProgramData\SQLAGENTSVW.exe was downloaded and executed 4 times

Download and Execute

c:\programdata\sqlagentsvw.exe installed a Persistency - Logon backdoor by modifying Windows Registry 2 times

Persistency - Mime Filter Persistency - Logon

c:\windows\temp\sqlagentsv.exe was identified as malicious by YARA according to rules: Peid, Suspicious Strings, Packer, Antidebug Antivm, Maldoc Somerules and Packer Compiler Signatures

Malicious File

C:\Windows\Temp\AutoRunApp.vbs was identified as malicious by YARA according to rules: Suspicious Strings

Malicious File

c:\windows\temp\sqlagentsv.exe installed a Persistency - Logon backdoor by modifying Windows Registry

Persistency - Mime Filter Persistency - Logon

C:\Windows\Temp\VBS.vbs was identified as malicious by YARA according to rules: Suspicious Strings

Malicious File

Process c:\windows\temp\sqlagentsv.exe attempted to access suspicious domains: 39.109.127.251, p.owwwa.com, u.owwwc.com and owwwc.com

Access Suspicious Domain Outgoing Connection DNS Query

Process c:\windows\temp\sqlagentsv.exe generated outgoing network traffic to: 192.37.170.174:9533 and 39.109.127.251:9533

Outgoing Connection

C:\ProgramData\AutoRunApp.vbs was identified as malicious by YARA according to rules: Suspicious Strings

Malicious File

C:\Users\Administrator\AppData\Local\Temp\SQLAGENTSV.exe was identified as malicious by YARA according to rules: Peid, Suspicious Strings, Packer, Antidebug Antivm, Maldoc Somerules and Packer Compiler Signatures

Malicious File

C:\Users\Administrator\AppData\Local\Temp\AutoRunApp.vbs was identified as malicious by YARA according to rules: Suspicious Strings

Malicious File

c:\users\admini~1\appdata\local\temp\sqlagentsv.exe installed a Persistency - Logon backdoor by modifying Windows Registry

Persistency - Mime Filter Persistency - Logon

Process c:\users\admini~1\appdata\local\temp\sqlagentsv.exe attempted to access suspicious domains: 39.109.127.251, p.owwwa.com, u.owwwc.com and owwwc.com

Access Suspicious Domain Outgoing Connection DNS Query

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

Access Suspicious Domain DNS Query

C:\Users\Administrator\AppData\Local\Temp\VBS.vbs was identified as malicious by YARA according to rules: Suspicious Strings

Malicious File

Process c:\users\admini~1\appdata\local\temp\sqlagentsv.exe generated outgoing network traffic to: 192.37.170.174:9533 and 39.109.127.251:9533

Outgoing Connection

Connection was closed due to user inactivity

Associated Files

C:\Windows\Temp\SQLAGENTSI.exe

SHA256: 2203841f4c47d6fbca1fe98ef5ccc0db5d9f356948116b8924d37863d5ee0a67

100352 bytes

C:\Program Files (x86)\Microsoft SqlWtsn\SqlWtsn.exe

SHA256: c18d1a192e12bf7e11240a3d72493f7c61f9991f5c60a6a4f1fb463bbf87e555

34988032 bytes

C:\ProgramData\SQLAGENTSVW.exe

SHA256: b467e2ce1a8d4593922c44339b5a90371ed14cfec44d5293cea624d4b5ab5a6e

99328 bytes

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IP Address: 154.91.199.89​Previously Malicious