IP Address: 123.1.172.120Previously Malicious

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IP Address:
123.1.172.120​
Previously Malicious

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

Threat Information

Role

Attacker

Services Targeted

SSH

Tags

DNS Query User Created Successful SSH Login Access Suspicious Domain Superuser Operation Outgoing Connection Log Tampering Download File Service Creation Malicious File Kill Process SSH Listening Read Password Secrets 10 Shell Commands Download and Allow Execution SFTP Download and Execute

Connect Back Servers

p2.minexmr.com x.bigoupai.live fr.minexmr.com

103.233.82.32 203.12.202.137 211.155.114.75 46.105.103.169 103.233.83.23 37.187.154.79

Basic Information

IP Address

123.1.172.120

Domain

-

ISP

New World Telecommunications Limited

Country

Hong Kong

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-08-21

Last seen in Guardicore Centra

2018-08-21

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

User butter was created with the password ******

User Created

A possibly malicious Superuser Operation was detected 4 times

Superuser Operation Kill Process

A possibly malicious Kill Process was detected 2 times

Superuser Operation Kill Process

Log File Tampering detected from /tmp/x86_64 on the following logs: /var/log/lastlog and /var/log/wtmp

Log Tampering

Process /tmp/x86_64 started listening on ports: 47292

Listening

Process /tmp/x86_64 generated outgoing network traffic to: 103.233.82.32:80 and 103.233.83.23:27

Outgoing Connection

Service samba was created

Service Creation

Service S99samba was created

Service Creation

The file /root/linux-gnu was downloaded and executed 4 times

Download and Execute

Process /root/linux-gnu started listening on ports: 37373

Listening

The file /tmp/seconfig/xorgg was downloaded and executed 6 times

Download and Execute

Process /tmp/seconfig/xorgg attempted to access domains: fr.minexmr.com

DNS Query

Process /tmp/seconfig/xorgg generated outgoing network traffic to: 94.23.206.130:7777

Outgoing Connection

Process /tmp/seconfig/xorgg attempted to access suspicious domains: ip-94-23-206.eu

Outgoing Connection Access Suspicious Domain DNS Query

The file /tmp/seconfig/samba was downloaded and executed 4 times

Download and Execute

Process /tmp/seconfig/samba started listening on ports: 37373

Listening

/root/linux-gnu was identified as malicious by YARA according to rules: Crypto Signatures and 000 Common Rules

Malicious File

Connection was closed due to timeout

/tmp/seconfig/xorgg was identified as malicious by YARA according to rules: Malw Miscelanea Linux, Malw Xmrig Miner, Crypto Signatures and 000 Common Rules

Malicious File

Associated Files

/tmp/2308

ae7e865b4da55f0de960a934794e7f3654a6f5475d2a85a9a7f39e4fe9cf53f5

? bytes

/tmp/2072

005b29393ffe00e4d0d5736ede871025f6c0c3cb53ec14171396758248e9e3df

? bytes

/tmp/seconfig/samba

SHA256: c75e40cea99ab863750665187bf1c3a8393c7fef3e2bc67c5e8d2d1085c0b0b2

4,092,192 bytes

/etc/seconfig/samba

SHA256: 0e0bf4a089e7199dced4ec52e62b029b8df69f843cd2bd8b85da46762d328bbd

4,092,192 bytes

/root/linux-gn

SHA256: 0e0bf4a089e7199dced4ec52e62b029b8df69f843cd2bd8b85da46762d328bbd

4,092,192 bytes

/tmp/x86_64

SHA256: 0e0bf4a089e7199dced4ec52e62b029b8df69f843cd2bd8b85da46762d328bbd

4,092,192 bytes

/tmp/seconfig/samba

SHA256: c9153e2b15def39420e88a058a15f3bc0fde6e6a3bd53ced4a6a6f644b51a935

4,125,088 bytes

/tmp/seconfig/xorgg

SHA256: c40a6fac6a7b43fd74aca488d4ec8f9a1a7cc1ac8ef211c131ff56a4e8dd665b

2,458,144 bytes

/etc/seconfig/xorgg

SHA256: c40a6fac6a7b43fd74aca488d4ec8f9a1a7cc1ac8ef211c131ff56a4e8dd665b

2,458,144 bytes

/tmp/x86_64

SHA256: 51944f895207232966b6f594feeafdb2b1561f68f832af5c00d7d082bf10007e

1,965,120 bytes

/tmp/80

SHA256: 104c8d9c8ea5dcf68986a80e17fdac95e7d1cfe1f2ce7e5d021ed4d15d2811a7

625,806 bytes

/tmp/x86_64

SHA256: a2c8c26972a9f739127429705db494b369192de6fc44cd4175b00708a6cf5d05

3,304,928 bytes

/etc/seconfig/samba

SHA256: f50eae2f3ff71a6556bbc8bcd5b3113511f77fb8ff82ea4eca63af2ce3babb30

4,125,088 bytes

/root/linux-gn

SHA256: f50eae2f3ff71a6556bbc8bcd5b3113511f77fb8ff82ea4eca63af2ce3babb30

4,125,088 bytes

/tmp/x86_64

SHA256: f50eae2f3ff71a6556bbc8bcd5b3113511f77fb8ff82ea4eca63af2ce3babb30

4,125,088 bytes

/tmp/seconfig/samba

SHA256: f50eae2f3ff71a6556bbc8bcd5b3113511f77fb8ff82ea4eca63af2ce3babb30

4,125,088 bytes

/etc/seconfig/samba

SHA256: 3555ee8275836151011f4eb0f1c54053c17c883f22aed0ee3bdad0b0213d4dfc

4,120,992 bytes

/root/linux-gn

SHA256: 3555ee8275836151011f4eb0f1c54053c17c883f22aed0ee3bdad0b0213d4dfc

4,120,992 bytes

/tmp/x86_64

SHA256: 3555ee8275836151011f4eb0f1c54053c17c883f22aed0ee3bdad0b0213d4dfc

4,120,992 bytes

/tmp/seconfig/samba

SHA256: 3555ee8275836151011f4eb0f1c54053c17c883f22aed0ee3bdad0b0213d4dfc

4,120,992 bytes

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IP Address: 123.1.172.120​Previously Malicious