IP Address: 113.141.31.106Malicious

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IP Address:
113.141.31.106​
Malicious

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

Threat Information

Role

Attacker

Services Targeted

MSSQL

Tags

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

Connect Back Servers

down.mys2016.info kriso.ru 4f33582b94.pw 011f2decc6.pw c9afae3a94.pw 2no.co 66304af0d9.pw kr1s.ru f22dee33b4.pw ioad.pw cb1d30efad.pw 9d2ec549c3.pw nic.ru f5d2c16f19.pw a5c9c7fe36.pw pool.supportxmr.com bb2eeaed0f.pw 8a66446ab5.pw 576f911280.pw 330d781d22.pw iplogger.co 21e2bfefb8.pw a460dfd2b1.pw rucop.ru 108cacc3f2.pw 649183ca17.pw 4965e83319.pw js.mys2016.info 21b7e54829.pw ff2dead5a7.pw

198.54.117.200 81.177.135.35 195.208.1.107 81.177.140.91

Basic Information

IP Address

113.141.31.106

Domain

-

ISP

China Telecom SHAANXI

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-03-25

Last seen in Guardicore Centra

2020-01-22

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: #A3D0D5ED and #A1E88D7B

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

Access Suspicious Domain Outgoing Connection DNS Query

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

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

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

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

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

Access Suspicious Domain DNS Query

Process c:\windows\system32\wbem\scrcons.exe attempted to access suspicious domains: www.cyg2016.xyz

Access Suspicious Domain DNS Query

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

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

Access Suspicious Domain Outgoing Connection DNS Query

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

Outgoing Connection

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

Access Suspicious Domain DNS Query

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

Malicious File

C:\Windows\System\cabs.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures

Malicious File

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

Malicious File

C:\Windows\Temp\v.exe was identified as malicious by YARA according to rules: Maldoc Somerules, Packer Compiler Signatures, Antidebug Antivm and Crypto Signatures

Malicious File

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

Download and Execute

MSSQL executed 2 shell commands

Execute MsSql Shell Command

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:\Users\Administrator\AppData\Local\Microsoft\Windows\INetCache\IE\doc[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\nsx322E.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\Temps\DOC001.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\Temp\doc.exe was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid, Antidebug Antivm and Crypto Signatures

Malicious File

The file C:\Windows\Temp\v.exe was downloaded and executed

Download and Execute

Process c:\windows\system32\regsvr32.exe attempted to access suspicious domains: js.mykings.top

Access Suspicious Domain DNS Query

C:\Users\Administrator\AppData\Roaming\Temps\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\Temps\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\nsr7D9E.tmp\inetc.dll was identified as malicious by YARA according to rules: Packer Compiler Signatures, Peid and Antidebug Antivm

Malicious File

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

Download and Execute

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:\windows\system32\taskkill.exe installed a Persistency - Winlogon Hook backdoor by modifying Windows Registry

Persistency - Winlogon Hook

C:\Users\Administrator\AppData\Local\Temp\nsy9A30.tmp\nsExec.dll was identified as malicious by YARA according to rules: Packer Compiler Signatures and Antidebug Antivm

Malicious File

C:\Users\Administrator\AppData\Local\Temp\Tmp9C02.tmp was identified as malicious by YARA according to rules: Packer, Peid and Packer Compiler Signatures

Malicious File

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

Download and Execute

C:\Users\Administrator\AppData\Roaming\Adobe\x86\86x.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\86x[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\x64\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

Process c:\users\administrator\appdata\roaming\dhelper.exe attempted to access suspicious domains: ff2dead5a7.pw and 8a66446ab5.pw

Access Suspicious Domain DNS Query

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

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\Temps\NsCpuCNMiner64.exe was downloaded and executed

Download and Execute

Process c:\users\administrator\appdata\roaming\temps\nscpucnminer64.exe attempted to access domains: xmr-eu1.nanopool.org

DNS Query

Connection was closed due to timeout

Associated Files

C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\dhelper.exe

SHA256: 6864f1e5a0492e69eebfeab9e2ebd712363141d46102a96bfce02924081c7762

2179584 bytes

C:\Windows\Temp\docv8k.exe

SHA256: 856777e16c153722ebd3f389197d4b6482f8afb2e51345e1ab19760c486c3f78

1109494 bytes

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

SHA256: be8884fa0bdff20838a08a9a70331e438adfc36336c643b2128ffd978e92540f

1075200 bytes

C:\Windows\System\cabs.exe

SHA256: 353c696b9b0db39958bc18a51fcc3b879f9f143d261c4cd1a2e521d1b9f98992

689664 bytes

C:\Windows\Temp\doc.exe

SHA256: d2e8b77fe0ddb96c4d52a34f9498dc7dd885c7b11b8745b78f3f6beaeec8e191

1033460 bytes

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

SHA256: 90b56ccc13934418ebc8a51cbedccbafe27d877c6080023afbb42092d7fdcf72

966144 bytes

C:\ProgramData\{99899342-9989-9989-998993429261}\lsm.exe

SHA256: 0390b466a8af2405dc269fd58fe2e3f34c3219464dcf3d06c64d01e07821cd7a

204800 bytes

C:\Windows\Temp\king.exe

SHA256: 436776e2713afa4c65ea2835e18e99669a37cb9c7ac92f68ec4d8a02c1c5e8cd

45594 bytes

C:\Windows\Temp\v.exe

SHA256: 117205dff973804a60f707850a7bbeaa6640174e69655d3e4f70969b65fed1c1

1202176 bytes

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IP Address: 113.141.31.106​Malicious