Analysis by: Raymart Christian Yambot
ALIASES:

PHP:Agent-AD [Trj] (AVAST)

 PLATFORM:

Windows

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

  • Threat Type: Backdoor

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Canal de infección Downloaded from the Internet, Dropped by other malware

This Backdoor 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

Tamaño del archivo 306,167 bytes
Tipo de archivo PHP
Residente en memoria No
Fecha de recepción de las muestras iniciales 25 Apr 2024
Carga útil Creates files, Connects to URLs/IPs, Downloads files, Uploads files

Arrival Details

This Backdoor 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 Backdoor does the following:

  • List files and folders
  • View file and folder information
  • Create a file
  • View a file
  • Provide user full access to files and folders
  • Execute a shell commands
  • Upload/Download a file to/from the web server
  • View list of processes running on the system
  • Manage SQL databases

  SOLUTION

Motor de exploración mínimo 9.800
Primer archivo de patrones de VSAPI 19.300.08
Primera fecha de publicación de patrones de VSAPI 25 Apr 2024
Versión de patrones OPR de VSAPI 19.301.00
Fecha de publicación de patrones OPR de VSAPI 26 Apr 2024

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 Backdoor.PHP.C99SHELL.0NA103DL24. 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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