IP Address: 83.19.217.237Previously Malicious

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IP Address:
83.19.217.237​
Previously Malicious

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

Threat Information

Role

Attacker

Services Targeted

SMB

Tags

Download and Execute SMB Successful SMB Login SMB Null Session Login NetBIOS Service Start Service Creation Malicious File SMB Share Connect Listening Outgoing Connection Service Deletion Persistency - Logon

Connect Back Servers

209.85.133.114

Basic Information

IP Address

83.19.217.237

Domain

-

ISP

Orange Polska

Country

Poland

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2017-01-26

Last seen in Guardicore Centra

2017-02-06

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 SMB from WTZ-OGNIK with the following username: administrator - Authentication policy: Reached Max Attempts

Successful SMB Login

c:\windows\lsass.exe was identified as malicious by YARA according to rules: Packers Index, Packer Compiler Signatures, Packer and Peid

Malicious File

The file c:\windows\lsass.exe was downloaded and executed

Download and Execute

c:\windows\system32\services.exe installed and started c:\windows\lsass.exe as a service named WUpdate

Service Creation Service Start

Process c:\windows\lsass.exe generated outgoing network traffic to: 209.85.133.114:25

Outgoing Connection

The file c:\windows\system32\lsasvc.exe was downloaded and executed 2 times

Download and Execute

c:\windows\system32\lsasvc.exe was identified as malicious by YARA according to rules: Packers Index, Packer Compiler Signatures, Antidebug Antivm Index, Antidebug Antivm, Packer, Peid and Malw Pe Sections

Malicious File

c:\windows\lsass.exe set the command line c:\windows\lsass.exe to run using Persistency - Logon

Persistency - Logon

c:\windows\system32\services.exe installed and started c:\windows\system32\lsasvc.exe as a service named LSAService

Service Creation Service Start

Process c:\windows\system32\lsasvc.exe started listening on port 186

Listening

A user logged in using SMB from WTZ-OGNIK with the following username: administrator - Authentication policy: Previously Approved User

Successful SMB Login

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IP Address: 83.19.217.237​Previously Malicious