IP Address: 109.98.163.159Previously Malicious

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IP Address:
109.98.163.159​
Previously Malicious

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

Threat Information

Role

Attacker

Services Targeted

SSH

Tags

Log Tampering SSH Brute Force 79 Shell Commands DNS Query Human Download and Allow Execution Port 22 Scan Download File Download Operation SSH Access Suspicious Domain SFTP Download and Execute Malicious File HTTP Successful SSH Login Outgoing Connection

Connect Back Servers

www.speedtest.net sbcglobal.net qwest.net speedtest.southeast.rr.com rockymount.speedtest.centurylink.net rdu.speedtest.sbcglobal.net speedtest.oit.duke.edu speed.celito.net celito.net centurylink.net duke.edu arhivecodex.tk

151.101.2.219 152.3.103.197 74.113.230.246 24.25.24.187 205.171.135.26 24.25.24.183 185.199.108.153 99.24.18.89

Basic Information

IP Address

109.98.163.159

Domain

-

ISP

Telekom Romania

Country

Romania

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-05-17

Last seen in Guardicore Centra

2018-05-18

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: Reached Max Attempts (Part of a Brute Force Attempt)

Successful SSH Login SSH Brute Force

Process /usr/bin/wget attempted to access suspicious domains: arhivecodex.tk 2 times

DNS Query Outgoing Connection Access Suspicious Domain

Process /usr/bin/wget generated outgoing network traffic to: 185.199.108.153:80 2 times

Outgoing Connection

The file /root/info was downloaded and granted execution privileges

Download and Allow Execution

/root/speed.py was downloaded

Download File

Process /usr/bin/python2.7 generated outgoing network traffic to: 151.101.2.219:80, 152.3.103.197:80, 24.25.24.187:80, 205.171.135.26:80, 24.25.24.183:80, 74.113.230.246:80 and 99.24.18.89:80

Outgoing Connection

Process /usr/bin/python2.7 attempted to access domains: www.speedtest.net, speedtest.southeast.rr.com, rdu.speedtest.sbcglobal.net, speedtest.oit.duke.edu and rockymount.speedtest.centurylink.net

DNS Query

Process /usr/bin/python2.7 attempted to access suspicious domains: qwest.net, celito.net and speed.celito.net

DNS Query Outgoing Connection Access Suspicious Domain

A user logged in using SSH with the following credentials: root / ********** - Authentication policy: Correct Password (Part of a Brute Force Attempt) 3 times

Successful SSH Login SSH Brute Force

The file /root/Nasa/1 was downloaded and granted execution privileges

Download and Allow Execution

The file /root/Nasa/n was downloaded and granted execution privileges

Download and Allow Execution

The file /root/Nasa/port was downloaded and granted execution privileges

Download and Allow Execution

The file /root/Nasa/scan.log was downloaded and granted execution privileges

Download and Allow Execution

The file /root/Nasa/pscan2 was downloaded and executed 2 times

Download and Execute

Process /root/Nasa/pscan2 generated outgoing network traffic to: 52.168.0.15:22, 52.168.0.13:22, 52.168.0.24:22, 52.168.0.6:22, 52.168.0.27:22, 52.168.0.16:22, 52.168.0.10:22, 52.168.0.21:22, 52.168.0.5:22, 52.168.0.17:22, 52.168.0.3:22, 52.168.0.25:22, 52.168.0.9:22, 52.168.0.4:22, 52.168.0.20:22, 52.168.0.19:22, 52.168.0.26:22, 52.168.0.11:22, 52.168.0.12:22, 52.168.0.23:22, 52.168.0.2:22, 52.168.0.14:22, 52.168.0.1:22, 52.168.0.22:22, 52.168.0.7:22, 52.168.0.8:22 and 52.168.0.18:22

Process /root/Nasa/pscan2 scanned port 22 on 27 IP Addresses

Port 22 Scan

Log File Tampering detected from /bin/bash on the following logs: /var/log/apt/apt.log, /var/log/faillog, /var/log/fsck/checkfs, /var/log/dpkg.log, /var/log/apt/term.log, /var/log/apt/history.log, /var/log/alternatives.log, /var/log/btmp, /var/log/fsck/checkroot, /var/log/lastlog, /var/log/wtmp, /var/log/bootstrap.log and /var/log/dmesg

Log Tampering

Connection was closed due to timeout

/root/Nasa/pscan2 was identified as malicious by YARA according to rules: Toolkit Thor Hacktools

Malicious File

Associated Files

/var/tmp/zone/screen.filepart

SHA256: 2413af510a75ada34716165992a425b35f62ba1478f63746502afd8a8a156b80

249980 bytes

/var/tmp/. /info

SHA256: dd14cae04ae1515b794dbfce857b1e7173ac8c89e766d02b9abf86dd7fd56f21

5216 bytes

/var/tmp/.x/Nasa/n

SHA256: 046a09f66630f581d6eaeb734f775f41f1e46238ffe369f6905464fed1531afd

1959 bytes

/var/tmp/.x/Nasa/nhdd

SHA256: 43333adf6ba7d876d5574543278616dad40376b1024a01d0f48c04b0ca5f7534

1485768 bytes

/var/tmp/.x/Nasa/pscan2

SHA256: 291cf164abfff4269e84209fe0763bb3295f7fad9d265c6354b8d4494ac5410f

14012 bytes

/var/tmp/speed.py

SHA256: f98f21bc8d49fe2f9ad56cf0ea038ef47d68b74cf338d45c162caa3c50d497d6

49503 bytes

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IP Address: 109.98.163.159​Previously Malicious