IP Address: 148.255.55.157Previously Malicious

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IP Address:
148.255.55.157​
Previously Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

SMB

Tags

SMB Null Session Login SMB User Added to Group CMD User Created Cookie Hijacking System File Modification Service Creation Service Start IDS - A Network Trojan was detected Outgoing Connection Access Suspicious Domain

Associated Attack Servers

grinknowledge.com

173.208.172.202

Basic Information

IP Address

148.255.55.157

Domain

-

ISP

Claro Dominican Republic

Country

Dominican Republic

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-10-29

Last seen in Guardicore Centra

2019-11-11

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

IDS detected A Network Trojan was detected : WMIC WMI Request Over SMB - Likely Lateral Movement

IDS - A Network Trojan was detected

IDS detected A Network Trojan was detected : Powershell Activity Over SMB - Likely Lateral Movement

IDS - A Network Trojan was detected

IDS detected A Network Trojan was detected : Powershell Command With Encoded Argument Over SMB - Likely Lateral Movement

IDS - A Network Trojan was detected

IDS detected A Network Trojan was detected : Powershell Command With No Profile Argument Over SMB - Likely Lateral Movement

IDS - A Network Trojan was detected

User admin$ was created with the password ************* and added to groups: Administrators

User Created User Added to Group

c:\windows\system32\services.exe installed and started cmd as a service named SlAg under service group None

Service Start Service Creation

Process c:\windows\system32\regsvr32.exe generated outgoing network traffic to: 173.208.172.202:8888

Outgoing Connection

Process c:\windows\system32\regsvr32.exe attempted to access suspicious domains: grinknowledge.com

Outgoing Connection Access Suspicious Domain

System file C:\WINDOWS\system32\wbem\AutoRecover\88744D2A29102FC88ECF505DD2E984FC.mof was modified

System File Modification

Connection was closed due to user inactivity

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IP Address: 148.255.55.157​Previously Malicious