Analysis by: Jemimah Mae Molina
ALIASES:

Linux/Dldr.Mirai.pxvkd (ANTIVIR); ELF:MiraiDownloader-BF [Drp] (AVAST);

 PLATFORM:

Linux

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Dropped by other malware, Downloaded from the Internet

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

  TECHNICAL DETAILS

File Size: 1,136 bytes
File Type: ELF
Memory Resident: No
Initial Samples Received Date: 19 Nov 2019
Payload: Connects to URLs/IPs

Arrival Details

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

Download Routine

This Trojan accesses the following websites to download files:

  • http://{BLOCKED}.{BLOCKED}.49.44/b/arm

Trend Micro detects the dowloaded file as:

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.504.06
FIRST VSAPI PATTERN DATE: 19 Nov 2019
VSAPI OPR PATTERN File: 15.505.00
VSAPI OPR PATTERN Date: 20 Nov 2019

Scan your computer with your Trend Micro product to delete files detected as Trojan.Linux.MIRAI.DLES. 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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