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Trojan.MSIL.FORMBOOK.SHPO

November 30, 2023
 Analysis by: John Rainier Navato
 ALIASES:

Win32/Formbook.AA 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:

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.

  TECHNICAL DETAILS

File Size:

705,024 bytes

File Type:

EXE

Initial Samples Received Date:

21 Nov 2023

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.

Installation

This Trojan adds the following processes:

  • {Malware File Path}\{Malware File Name}.exe

Other Details

This Trojan connects to the following possibly malicious URL:

  • www.{BLOCKED}mnp3.com
  • www.{BLOCKED}ay.com
  • www.{BLOCKED}haranchservices.com
  • www.{BLOCKED}growlv.com/{Random}
  • www.{BLOCKED}ume.com/{Random}
  • www.{BLOCKED}htarina-top-1.buzz/{Random}
  • www.{BLOCKED}n.biz/{Random}

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

18.832.03

FIRST VSAPI PATTERN DATE:

21 Nov 2023

VSAPI OPR PATTERN File:

18.833.00

VSAPI OPR PATTERN Date:

22 Nov 2023

Step 1

Trend Micro Predictive Machine Learning detects and blocks malware at the first sign of its existence, before it executes on your system. When enabled, your Trend Micro product detects this malware under the following machine learning name:

     
    • Troj.Win32.TRX.XXPE50FFF074

Step 2

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 3

Scan your computer with your Trend Micro product to delete files detected as Trojan.MSIL.FORMBOOK.SHPO. 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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