Cyber Threat Intelligence

Discover malicious IPs and domains with Akamai Guardicore Segmentation

IP Address: 47.52.61.90Malicious

IP Address: 47.52.61.90Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

RDP

Tags

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

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

47.52.61.90

Domain

-

ISP

-

Country

Hong Kong

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Akamai Guardicore Segmentation

2023-08-30

Last seen in Akamai Guardicore Segmentation

2024-03-09

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\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

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

Access Suspicious Domain DNS Query

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

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

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\Temp\ntshrui.dll

SHA256: 30d16e5514272a07f01a50da9fed304542b72ce630204a0821db78bc908bab83

6672 bytes

C:\WINDOWS\Temp\ntshrui.dll

SHA256: 431cdbfc99f2f772207868f138edfe3cfe6fee24864ac0ca97cae03cdaec8fd7

6672 bytes

C:\WINDOWS\Temp\ntshrui.dll

SHA256: 4d05a42472939658a72e800780ef5e1d2dd5d236cc969a2783a94abc6c453d97

6672 bytes

C:\WINDOWS\Temp\ntshrui.dll

SHA256: 772dcca19f1632b42ee5223b4552fbb73bd92f957180334a0a20434ee139c496

6672 bytes

C:\WINDOWS\clb.dll

SHA256: b81fc254e235dec49cbb7dc544d809033adc0988f5a6049aca8c8f07bbfa5e1e

6672 bytes