Analysis by: Karen Ivy Titiwa
ALIASES:

HEUR:Trojan-Ransom.OSX.FileCoder.gen(KASPERSKY)

 PLATFORM:

MacOS

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

  • Threat Type: Ransomware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites. It may be unknowingly downloaded by a user while visiting malicious websites.

  TECHNICAL DETAILS

File Size: 10,880,309 bytes
File Type: DMG
Memory Resident: Yes
Initial Samples Received Date: 01 Jul 2020

Arrival Details

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

It may be unknowingly downloaded by a user while visiting malicious websites.

Other Details

This Ransomware does the following:

  • The sample arrives as an DMG file.
  • When mounted, it contains the following package file:
    • Mixed In Key 8.pkg
        • The pkg file contains the following files:
      • Mixed In Key 8.app
      • \Utils\patch → unsigned executable file

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.964.05
FIRST VSAPI PATTERN DATE: 01 Jul 2020
VSAPI OPR PATTERN File: 15.965.00
VSAPI OPR PATTERN Date: 02 Jul 2020

Scan your computer with your Trend Micro product to delete files detected as Ransom.MacOS.EVILQUEST.A. 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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