Cyber Threat Intelligence

Discover malicious IPs and domains with Akamai Guardicore Segmentation

IP Address: 221.215.83.190Malicious

IP Address: 221.215.83.190Malicious

This IP address attempted an attack on a machine in our threat sensors network

Threat Information

Role

Attacker, Scanner

Services Targeted

RDP

Tags

Service Start Service Deletion RDP Known Malware Service Stop Service Creation Successful RDP Login Download and Execute Service Configuration System Shutdown Execute from Share Access Share Access Suspicious Domain Morto DNS Query Post Reboot Rename

Associated Attack Servers

flt1.jifr.net ms.jifr.co.be ms.jifr.co.cc ms.jifr.info ms.jifr.net

1.10.141.6

Basic Information

IP Address

221.215.83.190

Domain

-

ISP

China Unicom Shandong

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Akamai Guardicore Segmentation

2023-12-11

Last seen in Akamai Guardicore Segmentation

2023-12-11

What is Akamai Guardicore Segmentation
Akamai Guardicore Segmentation 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. Akamai Guardicore Segmentation 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 RDP with the following credentials: administrator / **** - Authentication policy: White List

Successful RDP Login

a.dll was loaded from the remote share \\tsclient\a by c:\windows\system32\rundll32.exe

Execute from Share

The file c:\windows\clb.dllbak was downloaded and loaded by c:\windows\regedit.exe

Download and Execute

c:\windows\regedit.exe installed and started c:\windows\temp\ntshrui.dll as a service named Ias under service group netsvcs

Service Start Service Creation

The file C:\WINDOWS\Temp\ntshrui.dll was downloaded and loaded by c:\windows\system32\svchost.exe

Download and Execute

Process netsvcs Service Group attempted to access suspicious domains: flt1.jifr.net, ms.jifr.co.be, ms.jifr.info and ms.jifr.net

DNS Query Access Suspicious Domain

Service Ias was stopped

Service Stop

c:\windows\regedit.exe installed c:\windows\system32\sens32.dll as a service named SENS under service group netsvcs

Service Creation

c:\windows\offline web pages\cache.txt was renamed to c:\windows\system32\sens32.dll by c:\windows\system32\svchost.exe ( pending reboot )

Post Reboot Rename

Process netsvcs Service Group attempted to access domains: ms.jifr.co.cc

DNS Query

Process netsvcs Service Group generated outgoing network traffic to: 74.125.71.104:80

c:\windows\system32\rundll32.exe attempted shutdown of type Shut down all processes running in the logon session of the process with reason: Unspecified

System Shutdown

c:\windows\system32\winlogon.exe attempted shutdown of type Shut down all processes running in the logon session of the process with reason: Unspecified

System Shutdown

Connection was closed due to timeout

Associated Files

c:\windows\clb.dllbak

SHA256: 8495ba3b9a7be65fb7a6c6bcb84d29f17c3af188d60b375b076d71e088d4be1d

6672 bytes