Analysis by: Leidryn Saludez

 PLATFORM:

Windows

 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.

It does not have any propagation routine.

It does not have any backdoor routine.

It redirects browsers to certain sites.

  TECHNICAL DETAILS

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.

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Rootkit Capabilities

This Trojan does not have rootkit capabilities.

Other Details

This Trojan redirects browsers to the following sites:

  • https://{BLOCKED}sonic.interiorunico.pt/
    • which redirects to:
      • https://{BLOCKED}.arntictur.com/WySMI
        • which redirects to https://www.target.com → legitimate website
  • https://{BLOCKED}pp/docs/Distributionbamm-dmaxthtsk7mwg4b
  • https://{BLOCKED}a.app/docs/empirecore-31lz2imok6i1s4k
    • which redirects to:
      • https://{BLOCKED}core.arntictur.com/WySMI
        • It displays the following to lure the user and redirect their browser to https://www.overlook.com → legitimate website

NOTES:

It does the following:

  • It displays the following to lure the user and redirect their browser to a malicious link:

However, as of this writing, the said sites are inaccessible.

It does not exploit any vulnerability.

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 19.638.04
FIRST VSAPI PATTERN DATE: 08 Oct 2024
VSAPI OPR PATTERN File: 19.639.00
VSAPI OPR PATTERN Date: 09 Oct 2024

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Scan your computer with your Trend Micro product to delete files detected as Trojan.PDF.PHISH.ES. 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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