IP Address: 27.184.197.85Previously Malicious

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IP Address:
27.184.197.85​
Previously Malicious

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

Threat Information

Role

Attacker

Services Targeted

MSSQL

Tags

DNS Query Create MsSql Procedure Drop MsSql Table Outgoing Connection Persistency - Winlogon Hook Brute Force Successful Login MSSQL Brute Force Access Suspicious Domain Malicious File Download and Execute Listening Successful MSSQL Login IDS - Attempted User Privilege Gain Persistency - Logon Execute MsSql Shell Command

Connect Back Servers

js.mys2016.info rucop.ru cb1d30efad.pw kriso.ru kr1s.ru xmr-eu2.nanopool.org down.mys2016.info

195.208.1.107 81.177.135.35

Basic Information

IP Address

27.184.197.85

Domain

-

ISP

China Telecom hebei

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-10-23

Last seen in Guardicore Centra

2018-10-23

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)

Successful MSSQL Login MSSQL Brute Force

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: #A3D0EDE1 and #A1E8A56F

Drop MsSql Table

IDS detected Attempted User Privilege Gain : sp_start_job - program execution

IDS - Attempted User Privilege Gain

Process c:\windows\system32\ftp.exe attempted to access suspicious domains: down.mys2016.info

Outgoing Connection DNS Query Access Suspicious Domain

Process c:\windows\system32\ftp.exe generated outgoing network traffic to: 81.177.135.35:21

Outgoing Connection

Process c:\windows\system32\ftp.exe started listening on ports: 49159

Listening

Process c:\windows\system32\regsvr32.exe attempted to access suspicious domains: js.mys2016.info

DNS Query Access Suspicious Domain

C:\Users\Administrator\AppData\Local\Microsoft\Windows\INetCache\IE\v[1].sct was identified as malicious by YARA according to rules: Suspicious Strings and Maldoc Powerpointmouse

Malicious File

Process c:\windows\system32\windowspowershell\v1.0\powershell.exe attempted to access suspicious domains: kr1s.ru

Outgoing Connection DNS Query Access Suspicious Domain

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

Process c:\windows\system32\windowspowershell\v1.0\powershell.exe generated outgoing network traffic to: 195.208.1.107:80

Outgoing Connection

C:\Users\Administrator\AppData\Local\Temp\king.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Crypto Signatures

Malicious 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

Process c:\users\admini~1\appdata\local\temp\king.exe attempted to access suspicious domains: kr1s.ru

DNS Query Access Suspicious Domain

C:\Users\Administrator\AppData\Local\Temp\docv8.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Crypto Signatures

Malicious File

C:\Users\Administrator\AppData\Local\Microsoft\Windows\INetCache\IE\docv8[1].dat was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Crypto Signatures

Malicious File

C:\Users\Administrator\AppData\Local\Temp\nslA38A.tmp\inetc.dll was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid and Antidebug Antivm

Malicious File

C:\Users\Administrator\AppData\Roaming\Tempo\DOC001.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Crypto Signatures

Malicious File

MSSQL executed 2 shell commands

Execute MsSql Shell Command

The file C:\Users\Administrator\AppData\Roaming\Tempo\DOC001.exe was downloaded and executed

Download and Execute

C:\Users\Administrator\AppData\Roaming\Tempo\NsCpuCNMiner32.exe was identified as malicious by YARA according to rules: Malw Xmrig Miner, Packer Compiler Signatures, Antidebug Antivm, Crypto Signatures and Suspicious Strings

Malicious File

C:\Users\Administrator\AppData\Roaming\Tempo\NsCpuCNMiner64.exe was identified as malicious by YARA according to rules: Peid, Crypto Signatures, Antidebug Antivm, Packer Compiler Signatures, Malw Xmrig Miner and Suspicious Strings

Malicious File

C:\Users\Administrator\AppData\Local\Temp\nsiB59B.tmp\inetc.dll was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid and Antidebug Antivm

Malicious File

Process c:\users\administrator\appdata\roaming\tempo\doc001.exe attempted to access suspicious domains: rucop.ru and kriso.ru

DNS Query Access Suspicious Domain

C:\Users\Administrator\AppData\Local\Temp\java.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Antidebug Antivm and Crypto Signatures

Malicious File

C:\Users\Administrator\AppData\Local\Microsoft\Windows\INetCache\IE\java[1].dat was identified as malicious by YARA according to rules: Packer Compiler Signatures, Antidebug Antivm and Crypto Signatures

Malicious File

C:\Users\Administrator\AppData\Local\Temp\Javatemp\jar2.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Antidebug Antivm and Crypto Signatures

Malicious File

C:\Users\Administrator\AppData\Local\Temp\Javatemp\temps.7z1 was identified as malicious by YARA according to rules: Antidebug Antivm

Malicious File

C:\Users\Administrator\AppData\Roaming\dhelper.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid and Antidebug Antivm

Malicious File

c:\users\admini~1\appdata\local\temp\javatemp\jar2.exe installed a Persistency - Winlogon Hook backdoor by modifying Windows Registry

Persistency - Winlogon Hook

The file C:\Users\Administrator\AppData\Roaming\dhelper.exe was downloaded and executed

Download and Execute

C:\Users\Administrator\AppData\Local\Temp\nskC6E2.tmp\nsExec.dll was identified as malicious by YARA according to rules: Packer Compiler Signatures and Antidebug Antivm

Malicious File

Process c:\users\administrator\appdata\roaming\dhelper.exe attempted to access suspicious domains: cb1d30efad.pw

DNS Query Access Suspicious Domain

C:\Users\Administrator\AppData\Roaming\Adobe\chek.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Crypto Signatures

Malicious File

C:\Users\Administrator\AppData\Local\Microsoft\Windows\INetCache\IE\chek[1].dat was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Crypto Signatures

Malicious File

C:\Users\Administrator\AppData\Roaming\Adobe\x86v8\x.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Antidebug Antivm and Crypto Signatures

Malicious File

C:\Users\Administrator\AppData\Local\Microsoft\Windows\INetCache\IE\x[1].dat was identified as malicious by YARA according to rules: Packer Compiler Signatures, Antidebug Antivm and Crypto Signatures

Malicious File

C:\Users\Administrator\AppData\Roaming\Adobe\x64v8\dether.exe was identified as malicious by YARA according to rules: Peid, Crypto Signatures, Antidebug Antivm, Packer Compiler Signatures, Malw Xmrig Miner and Suspicious Strings

Malicious File

C:\Users\Administrator\AppData\Local\Microsoft\Windows\INetCache\IE\data[1].dat was identified as malicious by YARA according to rules: Peid, Crypto Signatures, Antidebug Antivm, Packer Compiler Signatures, Malw Xmrig Miner and Suspicious Strings

Malicious File

The file C:\Users\Administrator\AppData\Roaming\Adobe\chek.exe was downloaded and executed

Download and Execute

C:\Users\Administrator\AppData\Local\Temp\Tmp1C14.tmp was identified as malicious by YARA according to rules: Packer, Peid and Packer Compiler Signatures

Malicious File

C:\DOC001.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Crypto Signatures

Malicious File

The file C:\Users\Administrator\AppData\Roaming\Tempo\NsCpuCNMiner64.exe was downloaded and executed

Download and Execute

Process c:\users\administrator\appdata\roaming\tempo\nscpucnminer64.exe attempted to access domains: xmr-eu2.nanopool.org

DNS Query

Connection was closed due to timeout

Associated Files

C:\Users\Administrator\AppData\Roaming\Adobe\chek.exe

SHA256: 436776e2713afa4c65ea2835e18e99669a37cb9c7ac92f68ec4d8a02c1c5e8cd

45594 bytes

C:\Users\Administrator\AppData\Roaming\dhelper.exe

SHA256: 6864f1e5a0492e69eebfeab9e2ebd712363141d46102a96bfce02924081c7762

2179584 bytes

C:\Users\Administrator\AppData\Roaming\Tempo\DOC001.exe

SHA256: 856777e16c153722ebd3f389197d4b6482f8afb2e51345e1ab19760c486c3f78

1109494 bytes

C:\Users\Administrator\AppData\Roaming\Tempo\NsCpuCNMiner64.exe

SHA256: be8884fa0bdff20838a08a9a70331e438adfc36336c643b2128ffd978e92540f

1075200 bytes

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IP Address: 27.184.197.85​Previously Malicious