Analysis by: Leidryn Saludez
 ALIASES:

Ransom:Win32/Morpheus.DA!MTB (MICROSOFT)

 PLATFORM:

Windows

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

  • Threat Type: Ransomware

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Canal de infecção: Downloaded from the Internet, Dropped by other malware

This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It drops files as ransom note. It avoids encrypting files with the following file extensions.

  TECHNICAL DETAILS

Tipo de compactação: 18,432 bytes
Tipo de arquivo: EXE
Residente na memória: No
Data de recebimento das amostras iniciais: 03 Jan 2025
Carga útil: Encrypts files, Terminates processes

Arrival Details

This Ransomware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Process Termination

This Ransomware terminates the following processes if found running in the affected system's memory:

  • dsa-connect.exe
  • nginx.exe
  • dsvp.exe
  • dsuam.exe
  • dsa-wrs-app.exe
  • dsc.exe
  • EndpointBasecamp.exe
  • CloudEndpointService.exe
  • dsa.exe
  • ds_monitor.exe
  • tm_netagent.exe
  • Notifier.exe
  • WSCommunicator.exe
  • coreFrameworkHost.exe
  • coreServiceShell.exe
  • tm_netagent.exe
  • TMLoader32.exe
  • TMLoader64.exe

Other Details

This Ransomware does the following:

  • This ransomware was commonly executed by "er.bat" (Trojan.BAT. MORPHUES.THAOCBE) together with termination of listed processes.
  • It does not append extension on encrypted files.

It accepts the following parameters:

  • ww → Required
  • {Path to Encrypt} → specific path to encrypt

Ransomware Routine

This Ransomware avoids encrypting files with the following strings in their file path:

  • \Windows\System32

It drops the following file(s) as ransom note:

  • {Encrypted Directory}\_README_.txt

It avoids encrypting files with the following file extensions:

  • .dll
  • .sys
  • .exe
  • .drv
  • .com
  • .cat

  SOLUTION

Mecanismo de varredura mínima: 9.800
Primeiro arquivo padrão VSAPI: 19.842.02
Data do lançamento do primeiro padrão VSAPI: 16 Jan 2025
VSAPI OPR Pattern Version: 19.843.00
VSAPI OPR Pattern veröffentlicht am: 17 Jan 2025

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.XXPE50FFF089

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 Ransom.Win64.MORPHUES.THAOCBE. 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 4

Restore encrypted files from backup.


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