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Trojan.W97M.EMOTET.TIOIBEJW

February 21, 2020
 Analysis by: Mohammed Malubay
 ALIASES:

TrojanDownloader:O97M/Emotet.ARJ!MTB(MICROSOFT); Trojan-Downloader.VBA.Emotet(IKARUS);

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW


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:

135,766 bytes

File Type:

DOC

Memory Resident:

Yes

Initial Samples Received Date:

20 Feb 2020

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.

Installation

This Trojan adds the following processes:

  • PoWERsheLL -e {base-64 encoded}

Download Routine

This Trojan connects to the following website(s) to download and execute a malicious file:

  • http://{BLOCKED}o.eu/wp-content/hMDRkCt/
  • http://{BLOCKED}ntavez.com/wp-includes/ep0/
  • http://{BLOCKED}flower.net/wp-content/cgNoUgY/
  • http://{BLOCKED}eh.org/old/f7tSe81/
  • http://{BLOCKED}lkerphoto.com/wp-content/v1d8mo/

It saves the files it downloads using the following names:

  • %User Profile%\316.exe

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name} on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)