IP Address: 61.131.207.66Malicious

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IP Address:
61.131.207.66​
Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

SMB MSSQL

Tags

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

Associated Attack Servers

triangleww.com pc.pc0416.xyz js.1226bye.pw dns.msftncsi.com worldsender.info img.vim-cn.com gamesoxalic.com pool.minexmr.com apps.identrust.com bumblebeeservers.com down.mys2018.xyz js.mys2018.xyz down.1226bye.pw grinknowledge.com js.1226bye.xyz ctldl.windowsupdate.com ip.seeip.org

173.208.172.202 185.26.112.217 66.117.6.174 23.236.69.114 139.5.177.32 74.222.14.94 139.5.177.19 173.247.239.186 173.208.153.130 223.25.247.240 192.187.111.66 172.67.129.143 139.5.177.10

Basic Information

IP Address

61.131.207.66

Domain

-

ISP

China Telecom

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-02-23

Last seen in Guardicore Centra

2020-11-21

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_password , sp_addsrvrolemember , sp_addextendedproc , sp_droplogin and sp_addlogin

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_cmdshell - program execution

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 : SQL sp_configure - configuration change

IDS - Attempted User Privilege Gain

C:\Windows\System32\wbem\123.bat was identified as malicious by YARA according to rules: Suspicious Strings

Malicious File

C:\Windows\System32\PerfStringse.ini was identified as malicious by YARA according to rules: Suspicious Strings

Malicious File

MSSQL tables were dropped: #A3D0E95C and #A1E8A0EA

Drop MsSql Table

IDS detected Attempted User Privilege Gain : sp_start_job - program execution

IDS - Attempted User Privilege Gain

c:\windows\system\cab.exe was identified as malicious by YARA according to rules: Rat Ratdecoders, Packer, Peid, Antidebug Antivm and Packer Compiler Signatures

Malicious File

C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\ups[1].rar was identified as malicious by YARA according to rules: Rat Ratdecoders, Packer, Peid, Antidebug Antivm and Packer Compiler Signatures

Malicious File

c:\windows\temp\v.exe was identified as malicious by YARA according to rules: Peid and Packer Compiler Signatures

Malicious File

C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\v1[1].rar was identified as malicious by YARA according to rules: Peid and Packer Compiler Signatures

Malicious File

C:\Windows\SysWOW64\01.dat was identified as malicious by YARA according to rules: Maldoc Somerules, Crypto Signatures and Suspicious Strings

Malicious File

C:\Windows\SysWOW64\02.dat was identified as malicious by YARA according to rules: Crypto Signatures

Malicious File

C:\Windows\SysWOW64\wpcap.dll was identified as malicious by YARA according to rules: Packer Compiler Signatures, Antidebug Antivm and Suspicious Strings

Malicious File

C:\Windows\SysWOW64\packet.dll was identified as malicious by YARA according to rules: Packer Compiler Signatures, Antidebug Antivm and Suspicious Strings

Malicious File

C:\Windows\SysWOW64\npptools.dll was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Suspicious Strings

Malicious File

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

Outgoing Connection

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

Outgoing Connection Access Suspicious Domain

C:\Windows\System32\drivers\npf.sys was identified as malicious by YARA according to rules: Packer Compiler Signatures, Antidebug Antivm and Suspicious Strings

Malicious File

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

The file C:\Windows\System\msinfo.exe was downloaded and executed 2 times

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

c:\windows\system32\services.exe installed and started c:\windows\system\msinfo.exe as a service named xWinWpdSrv under service group None

Service Creation Service Start

C:\Windows\System\upslist.txt was identified as malicious by YARA according to rules: Malw Yayih

Malicious File

Service netprofm was stopped

Service Stop

Process c:\windows\system\msinfo.exe attempted to access suspicious domains: ip.seeip.org

Access Suspicious Domain DNS Query

Process c:\windows\system\msinfo.exe attempted to access domains: apps.identrust.com and ctldl.windowsupdate.com

DNS Query

Process c:\windows\system32\regsvr32.exe attempted to access suspicious domains: js.1226bye.pw 2 times

Access Suspicious Domain DNS Query

csrs.exe was downloaded

Download File

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

Process c:\windows\system32\ftp.exe attempted to access suspicious domains: down.1226bye.pw and gamesoxalic.com

Outgoing Connection Access Suspicious Domain DNS Query

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

Outgoing Connection

c:\windows\system32\services.exe installed and started system32\drivers\npf.sys as a service named NPF under service group None

Service Creation Driver Start

The file C:\Windows\System32\drivers\npf.sys was downloaded and loaded by system

Download and Execute

C:\Users\Administrator\AppData\Local\Temp\TmpE3D9.tmp was identified as malicious by YARA according to rules: Packer, Peid and Packer Compiler Signatures

Malicious File

Connection was closed due to timeout

Associated Files

C:\Windows\System32\ok.exe

SHA256: a3bb132ab1ba3e706b90d6fb514504105f174c4e444e87be7bce1995f798044d

2241024 bytes

C:\Windows\SysWOW64\wpcap.dll

SHA256: b967e4dce952f9232592e4c1753516081438702a53424005642700522055dbc9

282360 bytes

C:\Windows\SysWOW64\npptools.dll

SHA256: 366b77df76729d08687051c1ec4b718ba1d650bca5b16eb15ec5c11570d6ff16

48128 bytes

C:\Windows\System\msinfo.exe

SHA256: 7ec433dd0454553b09f11c39944e251e3ee32e4981f52f02adc3011eb0ce6537

4887552 bytes

C:\Windows\System32\drivers\npf.sys

SHA256: 4bfaa99393f635cd05d91a64de73edb5639412c129e049f0fe34f88517a10fc6

36600 bytes

C:\Windows\Temp\conhost.exe

SHA256: 790c213e1227adefd2d564217de86ac9fe660946e1240b5415c55770a951abfd

221184 bytes

C:\Windows\debug\item.dat

SHA256: 80f8ba7992a5dbaa4a2f76263258d5d7bf3bb8994f9e8a4a5294f70ab8e38ea4

3358208 bytes

C:\Windows\Inf\msief.exe

SHA256: 3e79be51a78170ac177641b8225b22d37548617800ea0362733eeadc77445b98

305287 bytes

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IP Address: 61.131.207.66​Malicious