IP Address: 198.55.31.71Previously Malicious

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IP Address:
198.55.31.71​
Previously Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

MSSQL

Tags

Service Configuration MSSQL Null Session Login CMD MSSQL Brute Force Successful MSSQL Login Persistency - Logon File Operation By CMD Outgoing Connection Listening Create MsSql Procedure Execute MsSql Shell Command MSSQL DNS Query System File Modification Drop MsSql Table Scheduled Task Creation Download and Execute IDS - Attempted User Privilege Gain Access Suspicious Domain

Associated Attack Servers

pool.minexmr.com js.1226bye.xyz worldsender.info gamesoxalic.com js.1226bye.pw down.1226bye.pw

223.25.247.240 66.117.6.174

Basic Information

IP Address

198.55.31.71

Domain

-

ISP

Istanbuldc Veri Merkezi Ltd Sti

Country

United States

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2019-05-05

Last seen in Guardicore Centra

2019-10-31

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 MSSQL with the following credentials: sa / ****** - Authentication policy: White List (Part of a Brute Force Attempt)

MSSQL Brute Force Successful MSSQL Login

MSSQL procedures were created: sp_addextendedproc , sp_addlogin , sp_addsrvrolemember , sp_droplogin and sp_password

Create MsSql Procedure

IDS detected Attempted User Privilege Gain : sp_password - password change

IDS - Attempted User Privilege Gain

IDS detected Attempted User Privilege Gain : xp_reg* - registry access

IDS - Attempted User Privilege Gain

IDS detected Attempted User Privilege Gain : xp_cmdshell - program execution

IDS - Attempted User Privilege Gain

IDS detected Attempted User Privilege Gain : SQL sp_configure - configuration change

IDS - Attempted User Privilege Gain

MSSQL tables were dropped: #A1E8A56F and #A3D0EDE1

Drop MsSql Table

IDS detected Attempted User Privilege Gain : sp_start_job - program execution

IDS - Attempted User Privilege Gain

Process c:\windows\temp\conhost.exe started listening on ports: 32831

Listening

System file C:\Windows\AppCompat\Programs\Amcache.hve was modified 4 times

System File Modification

The file C:\Windows\Inf\lsmm.exe was downloaded and executed

Download and Execute

Process c:\windows\inf\lsmm.exe started listening on ports: 32832

Listening

Process c:\windows\inf\lsmm.exe attempted to access domains: pool.minexmr.com

DNS Query

The file C:\Windows\Inf\msiefs.exe was downloaded and executed

Download and Execute

Process c:\windows\s.exe generated outgoing network traffic to: 223.25.247.240:80

Outgoing Connection

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

Outgoing Connection Access Suspicious Domain

The file C:\Windows\System\msinfo.exe was downloaded and executed

Download and Execute

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\ftp.exe attempted to access suspicious domains: down.1226bye.pw and gamesoxalic.com

DNS Query Outgoing Connection Access Suspicious Domain

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 66.117.6.174:21

Outgoing Connection

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

DNS Query Access Suspicious Domain

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

DNS Query Access Suspicious Domain

c:\program files\microsoft sql server\mssql11.sqlexpress\mssql\binn\sqlservr.exe set the command line cmd /c start /min c:\windows\system32\wbem\123.bat to run using Persistency - Logon

Persistency - Logon

MSSQL executed 2 shell commands

Execute MsSql Shell Command

Connection was closed due to timeout

Associated Files

C:\Windows\Inf\lsmm.exe

SHA256: 8246293a368a1da86aba696bea93460705ca4c40aa4c75dde909b8d9dff5efcb

1270272 bytes

C:\Windows\SysWOW64\wpcap.dll

SHA256: b967e4dce952f9232592e4c1753516081438702a53424005642700522055dbc9

282360 bytes

C:\Windows\SysWOW64\npptools.dll

SHA256: 366b77df76729d08687051c1ec4b718ba1d650bca5b16eb15ec5c11570d6ff16

48128 bytes

C:\Windows\Inf\msiefs.exe

SHA256: e8ddefd237646a47debc01df9aa02fbcae40686f96b7860511c73798c7546201

305276 bytes

C:\Windows\System\msinfo.exe

SHA256: 0ec4653e8322a95a6999cf4dc636d691de9d1a9c2cb383296335923405b77b12

6032384 bytes

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IP Address: 198.55.31.71​Previously Malicious