Modified by: Arvin Roi Macaraeg
ALIASES:

TrojanDownloader:O97M/Obfuse.FS(MICROSOFT); VBA/TrojanDropper.Agent.AGY trojan(NOD32);

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

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

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users. It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

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

  TECHNICAL DETAILS

File Size: 634,580 bytes
Memory Resident: No
Initial Samples Received Date: 02 Jun 2019
Payload: Displays graphics/image, Displays message/message boxes

Arrival Details

This Trojan arrives as an attachment to email messages spammed by other malware/grayware or malicious users.

It 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:

  • Display the following window for the user to enable the macro to proceed to its behavior:
  • This document also contains this image once click will proceed to the execution of the macro:
  • Connects to the following URLs to download and execute a file:
    • http://{BLOCKED}.{BLOCKED}.72.136/11/460599

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

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 15.222.06
FIRST VSAPI PATTERN DATE: 08 Jul 2019
VSAPI OPR PATTERN File: 15.223.00
VSAPI OPR PATTERN Date: 09 Jul 2019

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.W97M.POWLOAD.JKPA. 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:

Step 3

Enable the macro virus protection in Microsoft Office Applications

[ Learn More ]


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