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Backdoor.Linux.MIRAI.USELVHU23

September 05, 2023
 Analysis by: Carlos Villegas Madrid
 ALIASES:

ELF:Mirai-CBI [Cryp] (AVAST)

 PLATFORM:

Windows

 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, Dropped by other malware

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 requires being executed with a specific argument/parameter, an additional component, or in a specific environment in order to proceed with its intended routine.

  TECHNICAL DETAILS

File Size:

29,432 bytes

File Type:

ELF

Memory Resident:

No

Initial Samples Received Date:

04 Sep 2023

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.

Other Details

This Backdoor requires being executed with a specific argument/parameter, an additional component, or in a specific environment in order to proceed with its intended routine.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

18.667.00

FIRST VSAPI PATTERN DATE:

30 Aug 2023

VSAPI OPR PATTERN File:

18.667.00

VSAPI OPR PATTERN Date:

31 Aug 2023

Step 1

Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:

     
    • Troj.ELF.TRX.XXELFC1DFF031

Step 2

Scan your computer with your Trend Micro product to delete files detected as Backdoor.Linux.MIRAI.USELVHU23. 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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