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IoT.Linux.MIRAI.DLEV

January 30, 2020
 Analysis by: Earle Maui Earnshaw
 ALIASES:

HEUR:Backdoor.Linux.Mirai.b (Kaspersky)

 PLATFORM:

Linux

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet


This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It executes commands from a remote malicious user, effectively compromising the affected system. It connects to a website to send and receive information.

  TECHNICAL DETAILS

File Size:

34,824 bytes

File Type:

ELF

Memory Resident:

Yes

Initial Samples Received Date:

27 Jan 2020

Payload:

Connects to URLs/IPs. Exploits vulnerabilities

Arrival Details

This Backdoor arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Backdoor Routine

This Backdoor executes the following commands from a remote malicious user:

  • Performs various DDOS attacks

It connects to the following websites to send and receive information:

  • http://faygox.{BLOCKED}s.org

Other Details

This Backdoor does the following:

  • It uses the following credentials to try to login to other devices:
    • taZz@23495859
    • tsgoingon
    • solokey
    • default
    • guest
    • telnetadmin
    • 12345
    • 123456
    • 54321
    • 88888888
    • 20080826
    • 666666
    • 1001chin
    • xc3511
    • jvbzd
    • hg2x0
    • Zte521
    • grouter
    • telnet
    • oelinux123
    • tl789
    • GM8182
    • hunt5759
    • telecoadmin
    • twe8ehome
    • nmgx_wapia
    • private
    • abc123
    • ROOT500
    • ahetzip8
    • ascend
    • blender
    • cat1029
    • changeme
    • iDirect
    • nflection
    • ipcam_rt5350
    • swsbzkgn
    • juantech
    • password
    • svgodie
    • t0talc0ntr0l4!
    • zhongxing
    • zsun1188
    • xmhdipc
    • klv123
    • hi3518
    • 7ujMko0vizxv
    • 7ujMko0admin
    • dreambox
    • system
    • realtek
    • 00000000
    • 12341234
    • huigu309
    • win1dows
    • antslq
  • It may spread to other devices by taking advantage of the following vulnerabilities:
  • It displays the following string once executed in the command line:
    • LuckyGhost

  SOLUTION

Minimum Scan Engine:

9.850

FIRST VSAPI PATTERN FILE:

15.650.04

FIRST VSAPI PATTERN DATE:

29 Jan 2020

VSAPI OPR PATTERN File:

15.651.00

VSAPI OPR PATTERN Date:

30 Jan 2020

Scan your computer with your Trend Micro product to delete files detected as IoT.Linux.MIRAI.DLEV. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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