Analysis by: John Anthony Banes
ALIASES:

VBA/TrojanDownloader.Agent.HHB trojan (NOD32)

 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: Dropped by other malware, Spammed via email

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: 73,052 bytes
File Type: DOC
Memory Resident: No
Initial Samples Received Date: 20 Mar 2018
Payload: Connects to URLs/IPs

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 connects to the following possibly malicious URL:

  • http://{BLOCKED}ymone.{BLOCKED}/REX/slick.php?utma=brendenc

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

  SOLUTION

Minimum Scan Engine: 9.850
FIRST VSAPI PATTERN FILE: 14.148.02
FIRST VSAPI PATTERN DATE: 24 Mar 2018
VSAPI OPR PATTERN File: 14.149.00
VSAPI OPR PATTERN Date: 25 Mar 2018

Step 1

Scan your computer with your Trend Micro product to delete files detected as W2KM_POWLOAD.UHAOEDD. 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 2

Enable the macro virus protection in Microsoft Office Applications

[ Learn More ]


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