IP Address: 109.166.137.163Previously Malicious

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IP Address:
109.166.137.163​
Previously Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

SSH

Tags

HTTP SSH Networking Operation Outgoing Connection Download Operation Malicious File DNS Query Download File Superuser Operation Download and Allow Execution Download and Execute Human Log Tampering 37 Shell Commands Access Suspicious Domain Successful SSH Login Port 22 Scan

Associated Attack Servers

www.speedtest.net sp1.winchesterwireless.net comcast.net shentel.net edinburg.speedtest.shentel.net stosat-malt-01.sys.comcast.net stosat-rstn-01.sys.comcast.net saminicu.ga bigdaddy.wave2net.com

151.101.2.219 184.170.114.134 145.14.145.65 145.14.145.36 145.14.145.179 69.241.0.94 204.111.5.18 204.111.21.7 69.241.87.90

Basic Information

IP Address

109.166.137.163

Domain

-

ISP

Orange Romania

Country

Romania

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-07-29

Last seen in Guardicore Centra

2018-08-03

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 SSH with the following credentials: root / **** - Authentication policy: White List

Successful SSH Login

A possibly malicious Superuser Operation was detected

Download Operation Superuser Operation Networking Operation

A possibly malicious Networking Operation was detected

Download Operation Superuser Operation Networking Operation

A possibly malicious Download Operation was detected 7 times

Download Operation Superuser Operation Networking Operation

Process /usr/bin/wget attempted to access suspicious domains: saminicu.ga 7 times

DNS Query Outgoing Connection Access Suspicious Domain

Process /usr/bin/wget generated outgoing network traffic to: 145.14.145.65:80

Outgoing Connection

/root/ntest.py was downloaded

Download File

Process /usr/bin/python2.7 attempted to access domains: stosat-rstn-01.sys.comcast.net, www.speedtest.net, stosat-malt-01.sys.comcast.net and edinburg.speedtest.shentel.net

DNS Query

Process /usr/bin/python2.7 generated outgoing network traffic to: 151.101.2.219:80, 69.241.87.90:80, 204.111.21.7:80, 69.241.0.94:80, 204.111.5.18:80 and 184.170.114.134:80

Outgoing Connection

Process /usr/bin/python2.7 attempted to access suspicious domains: sp1.winchesterwireless.net and bigdaddy.wave2net.com

DNS Query Outgoing Connection Access Suspicious Domain

Process /usr/bin/wget generated outgoing network traffic to: 145.14.145.36:80 2 times

Outgoing Connection

/tmp/ntest.py was downloaded

Download File

Process /usr/bin/wget generated outgoing network traffic to: 145.14.145.179:80

Outgoing Connection

/tmp/fscand.zip was downloaded

Download File

The file /tmp/fscand/a was downloaded and granted execution privileges

Download and Allow Execution

The file /tmp/fscand/hu was downloaded and granted execution privileges

Download and Allow Execution

The file /tmp/fscand/mass was downloaded and granted execution privileges

Download and Allow Execution

The file /tmp/fscand/passfile was downloaded and granted execution privileges

Download and Allow Execution

The file /tmp/fscand/vuln was downloaded and granted execution privileges

Download and Allow Execution

The file /tmp/fscand/brute was downloaded and executed 2 times

Download and Execute

Process /tmp/fscand/brute generated outgoing network traffic to: 52.166.0.15:22, 52.166.0.30:22, 52.166.0.28:22, 52.166.0.1:22, 52.166.0.20:22, 52.166.0.10:22, 52.166.0.4:22, 52.166.0.26:22, 52.166.0.9:22, 52.166.0.6:22, 52.166.0.25:22, 52.166.0.18:22, 52.166.0.3:22, 52.166.0.23:22, 52.166.0.11:22, 52.166.0.5:22, 52.166.0.19:22, 52.166.0.14:22, 52.166.0.8:22, 52.166.0.29:22, 52.166.0.12:22, 52.166.0.22:22, 52.166.0.17:22, 52.166.0.24:22, 52.166.0.2:22, 52.166.0.13:22, 52.166.0.21:22, 52.166.0.7:22, 52.166.0.27:22 and 52.166.0.16:22

Process /tmp/fscand/brute scanned port 22 on 30 IP Addresses

Port 22 Scan

/tmp/fscand/brute was identified as malicious by YARA according to rules: Malw Pe Sections and 000 Common Rules

Malicious File

/tmp/fscand/passfile was identified as malicious by YARA according to rules: Apt Apt1 and Suspicious Strings

Malicious File

History File Tampering detected from /bin/bash

Log Tampering

Connection was closed due to user inactivity

Associated Files

/var/tmp/x/x

SHA256: 863fea751e0d533ee1900288b266676e06335995623750ed0e710a8790628420

68 bytes

/var/tmp/f/a

SHA256: e533fddcdfcb02761be082319836c4f24813c6017f3b755d22bbde141deba53e

53 bytes

/var/tmp/. /krt/krt

SHA256: 1225cc15a71886e5b11fca3dc3b4c4bcde39f4c7c9fbce6bad5e4d3ceee21b3a

899800 bytes

/var/tmp/x/vuln

SHA256: 65be48b3773362a2447104a064019f5d71303e26891fdf1950166f6578098769

512 bytes

/tmp/ntest.py

SHA256: a5509010c603914ce066f0faf9947432b723f815ae7f7066b469bdefb8c73327

24827 bytes

/tmp/fscand.zip

SHA256: 24cfa677537ef9394027ebc717372000e638097942d9ea830619fabbf94de2f6

914707 bytes

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IP Address: 109.166.137.163​Previously Malicious