IP Address: 202.175.101.59Malicious

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IP Address:
202.175.101.59​
Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

RDP

Tags

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

Associated Attack Servers

ms.jifr.net flt1.jifr.net ms.jifr.info ms.jifr.co.be ms.jifr.co.cc ss.jifr.net dos1.jifr.net

Basic Information

IP Address

202.175.101.59

Domain

-

ISP

Companhia de Telecomunicacoes de Macau SARL

Country

Macao

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2017-06-28

Last seen in Guardicore Centra

2020-03-17

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 RDP with the following credentials: administrator / **** - Authentication policy: White List

Successful RDP Login

\\TSCLIENT\A\a.dll was identified as malicious by YARA according to rules: Packer, Maldoc Somerules, Peid and Packer Compiler Signatures

Malicious File

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 Creation Service Start

The file C:\WINDOWS\Temp\ntshrui.dll was downloaded and loaded by netsvcs Service Group

Download and Execute

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

Service Creation

C:\WINDOWS\clb.dll was identified as malicious by YARA according to rules: Packer, Maldoc Somerules, Peid and Packer Compiler Signatures

Malicious File

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

DNS Query

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

Access Suspicious Domain DNS Query

Service Ias was stopped

Service Stop

C:\WINDOWS\Temp\ntshrui.dll was identified as malicious by YARA according to rules: Packer, Maldoc Somerules, Peid and Packer Compiler Signatures

Malicious File

C:\WINDOWS\clb.dllbak was identified as malicious by YARA according to rules: Packer, Maldoc Somerules, Peid and Packer Compiler Signatures

Malicious File

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

Post Reboot Rename

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

Associated Files

C:\WINDOWS\clb.dll

SHA256: 770103ffb2f1118b90d402af47869bb3a02da7e2db84eedb8d34c2589a10635f

6672 bytes

C:\WINDOWS\Temp\ntshrui.dll

SHA256: 0283cf138f7698362d6eed84bab4c53bf106398d7aa8f9c78e01788aa00388f1

6672 bytes

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IP Address: 202.175.101.59​Malicious