Cyber Threat Intelligence

Discover malicious IPs and domains with Akamai Guardicore Segmentation

IP Address: 82.50.119.139Malicious

IP Address: 82.50.119.139Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

RDP

Tags

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

Associated Attack Servers

dos1.jifr.net 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

82.50.119.139

Domain

-

ISP

-

Country

Italy

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Akamai Guardicore Segmentation

2023-12-27

Last seen in Akamai Guardicore Segmentation

2023-12-28

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.dll was downloaded and loaded by c:\windows\clb.dll

Download and Execute

c:\windows\system32\services.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

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

Service Creation

Service Ias was stopped

Service Stop

Process netsvcs Service Group attempted to access suspicious domains: dos1.jifr.net, flt1.jifr.net, ms.jifr.co.be, ms.jifr.info and ms.jifr.net

Access Suspicious Domain DNS Query

System file c:\windows\clb.dllbak was modified

System File Modification

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

Connection was closed due to timeout

Associated Files

C:\WINDOWS\clb.dll

SHA256: 92e6705062bde6932de5722ba3198d123dffd1432d3fba57ee3bb1eb001a4d80

6672 bytes

C:\WINDOWS\Temp\ntshrui.dll

SHA256: d0759bb1e020e31f123616a8436e6e5ea9258348a5746517d7d3bd44292f1c9e

6672 bytes