Modified By:: Joshua Paul Ignacio

 

TrojanDownloader:O97M/MalSpam!MTB (MICROSOFT); Trojan.VBA.Agent (IKARUS)

 PLATFORM:

Windows

 OVER ALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE
Low
Medium
High
Critical

  • 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: 63,494 bytes
File type: XLS
Memory resident: No
INITIAL SAMPLES RECEIVED DATE: 10 March 2020
PAYLOAD: Displays graphics/image

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 displays the following images:

It does the following:

  • It attempts to connect and downloads to an unknown malicious site.
  • It checks installed windows Language ID, if equal to the following and if it matches, it will not perform its intended operation:
    • 1040 (Italian)
  • It checks for the following string on the filename and if it matches it will not perform its intended operation:
    • "C"
  • However, a download URL is not specified.

  SOLUTION

Minimum scan engine: 9.850
First VSAPI Pattern File: 15.734.05
First VSAPI Pattern Release Date: 09 March 2020
VSAPI OPR PATTERN-VERSION: 15.735.00
VSAPI OPR PATTERN DATE: 10 March 2020

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.X97M.POWLOAD.THCAOBO. 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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