Analysis by: Henry Alarcon Jr.
ALIASES:

Linux.Mirai!g1 (NORTON), ELF/Mirai.IA!tr (FORTINET), HEUR:Backdoor.Linux.Mirai.au (KASPERSKY)

 PLATFORM:

Linux

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Dropped by other malware, 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.

  TECHNICAL DETAILS

File Size: 139,135 bytes
Memory Resident: Yes
Initial Samples Received Date: 22 May 2019
Payload: Terminates processes, Exploits vulnerability, Launches DoS/DDoS attacks

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

Other Details

This Backdoor does the following:

  • It uses the following credentials to try to login to other devices:
    • h@32LuyD
    • vizxv
    • daemon
    • tlJwpbo6
    • zlxx.
    • Zte521
    • ipcam_rt5350
    • xc3511
    • vertex25ektks123
    • aquario
    • superadmin
    • Is@dmin
    • hunt5759
    • Alphanetworks
    • wrgg19_c_dlwbr_dir300
    • wrgn49_dlob_dir600b
    • wrgn23_dlwbr_dir600b
    • wrgn22_dlwbr_dir615
    • wrgnd08_dlob_dir815
    • wrgg15_di524
    • wrgn39_dlob.hans_dir645
    • wapnd03cm_dkbs_dap2555
    • wapnd04cm_dkbs_dap3525
    • wapnd15_dlob_dap1522b
    • wrgac01_dlob.hans_dir865
    • wrgn23_dlwbr_dir300b
    • wrgn28_dlob_dir412
    • wrgn39_dlob.hans_dir645_V1
    • mg3500
    • merlin
    • admin
    • fliruser
    • 3vlig
    • tsgoingon
    • taZz@01
    • telnetadmin
    • super
    • juniper123
    • ZXDSL
    • maintainer
    • bcpb+serial#
    • taZz@23495859
    • 1q2w3e4r5
    • telecomadmin
    • admintelecom
    • solokey
    • swsbzkgn
    • support
    • default
    • guest
    • 123456
    • 12345
    • 2011vsta
    • 888888
    • e8ehome
    • e8telnet
    • huigu309
    • Maxitaxi01
    • linux
    • telnet
    • support123
    • 1001chin
    • S2fGqNFs
    • oelinux1234
    • ttnet
    • 1q2w3e
    • cam1029
    • nE7jA%5m
  • It is capable of terminating processes which satisfies any of the following conditions:
    • uses any of the following ports:
      • 23
      • 8080
      • 80
      • 81
      • 53413
    • memory of the process contains strings related to botnets
  • It may spread to other devices by taking advantage of the following vulnerabilities:

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.136.06
FIRST VSAPI PATTERN DATE: 27 May 2019
VSAPI OPR PATTERN File: 15.137.00
VSAPI OPR PATTERN Date: 28 May 2019

Scan your computer with your Trend Micro product to delete files detected as Backdoor.Linux.MIRAI.VWIPX. 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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