IP Address: 146.185.239.53Previously Malicious

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IP Address:
146.185.239.53​
Previously Malicious

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

Threat Information

Role

Attacker, Connect-Back, Scanner

Services Targeted

SSH

Tags

IDS - A Network Trojan was detected SSH Networking Operation 34 Shell Commands Download Operation Malicious File DNS Query Download and Allow Execution Superuser Operation Download and Execute Log Tampering Human Access Suspicious Domain Successful SSH Login Outgoing Connection

Associated Attack Servers

pool.minexmr.com ip-37-59-43.eu your-server.de amazonaws.com evanzo-server.de ip-37-59-55.eu github-production-release-asset-2e65be.s3.amazonaws.com github.com www.blumen-holm.de

52.216.233.219 37.59.55.60 151.101.0.133 192.30.253.113 94.23.27.208 78.46.89.102 87.238.192.96 37.59.43.136

Basic Information

IP Address

146.185.239.53

Domain

-

ISP

Petersburg Internet Network ltd.

Country

Russian Federation

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-06-10

Last seen in Guardicore Centra

2020-01-15

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 3 times

Download Operation Superuser Operation Networking Operation

Process /usr/bin/wget attempted to access domains: github.com and github-production-release-asset-2e65be.s3.amazonaws.com

DNS Query

Process /usr/bin/wget generated outgoing network traffic to: 52.216.233.219:443 and 192.30.253.113:443

Outgoing Connection

IDS detected A Network Trojan was detected : DNS request for Monero mining pool

IDS - A Network Trojan was detected

The file /usr/src/rig was downloaded and executed 9 times

Download and Execute

Process /usr/src/rig generated outgoing network traffic to: 78.46.89.102:80, 151.101.0.133:443 and 37.59.55.60:80

Outgoing Connection

Process /usr/bin/wget attempted to access suspicious domains: www.blumen-holm.de and evanzo-server.de 2 times

DNS Query Outgoing Connection Access Suspicious Domain

Process /usr/bin/wget generated outgoing network traffic to: 87.238.192.96:443 and 87.238.192.96:80 2 times

Outgoing Connection

The file /bin/delp was downloaded and granted execution privileges

Download and Allow Execution

The file /sbin/sid was downloaded and granted execution privileges

Download and Allow Execution

History File Tampering detected from /bin/bash on the following logs: /root/.bash_history

Log Tampering

Log File Tampering detected from /bin/bash on the following logs: /var/log/lastlog and /var/log/wtmp

Log Tampering

Log File Tampering detected from /bin/bash 4 times

Log Tampering

Process /usr/src/rig attempted to access suspicious domains: ip-37-59-55.eu

Outgoing Connection Access Suspicious Domain

Connection was closed due to timeout

/sbin/sid was identified as malicious by YARA according to rules: Malw Miscelanea Linux, Maldoc Somerules and 000 Common Rules

Malicious File

/usr/src/nohup.out was identified as malicious by YARA according to rules: Suspicious Strings

Malicious File

/usr/src/rig was identified as malicious by YARA according to rules: Malw Pe Sections, Malw Xmrig Miner, Crypto Signatures and 000 Common Rules

Malicious File

/bin/delp was identified as malicious by YARA according to rules: Malw Miscelanea Linux, Maldoc Somerules and 000 Common Rules

Malicious File

Associated Files

/usr/src/rig

SHA256: c890d18fe3753a9ea4d026fc713247a9b83070b6fe40539779327501916be031

2731128 bytes

/usr/src/xmrigDaemon

SHA256: 552512f1bf8791659a2a6573435fcb738c19f870cd9dd7db886a3fcebb32fa2a

209912 bytes

/usr/src/xmrigMiner

SHA256: cbc8a79fe58ff711cdd6891c8cf14458fcab424dc609ffe932b2394dcce2197b

4657792 bytes

/sbin/sid

SHA256: cdc1aba0713b9efaf38eacf987ff7aa8f023390bd5f6141641ebe30d67e01759

431516 bytes

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IP Address: 146.185.239.53​Previously Malicious