Author: Neljorn Nathaniel Aguas   

 

Other:SNH-gen [Phish] (AVAST)

 PLATFORM:

Windows

 OVER ALL RISK RATING:
 DAMAGE POTENTIAL::
 DISTRIBUTION POTENTIAL::
 REPORTED INFECTION:
 INFORMATION EXPOSURE:
Low
Medium
High
Critical

  • Threat Type:
    Trojan

  • Destructiveness:
    No

  • Encrypted:
    No

  • In the wild::
    Yes

  OVERVIEW

INFECTION CHANNEL: Descargado de Internet, Eliminado por otro tipo de malware

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

Este malware no tiene ninguna rutina de propagación.

Este malware no tiene ninguna rutina de puerta trasera.

  TECHNICAL DETAILS

File size: 15,237 bytes
File type: HTML, HTM
Memory resident: No
INITIAL SAMPLES RECEIVED DATE: 30 maja 2025
PAYLOAD: Connects to URLs/IPs, Displays windows, Steals information

Detalles de entrada

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

Propagación

Este malware no tiene ninguna rutina de propagación.

Rutina de puerta trasera

Este malware no tiene ninguna rutina de puerta trasera.

Información sustraída

Este malware envía la información recopilada a la siguiente URL a través de HTTP POST:

  • https://{BLOCKED}z.lk/script.php
    • which sends the following information using the "data" parameter:
      • username → victim's email address
      • password → input password
      • to → {BLOCKED}onway404@gmail.com (attacker's email address}
      • subject → "{Empty string}" (on 1st submission) | " - Second Try" (on 2nd submission)
  • However, as of this writing, the said site is inaccessible.

Otros detalles

Hace lo siguiente:

  • It disguises itself as a login page to deceive the user into providing their password:
  • It connects to the following URLs to display images and load resources inside the webpage:
    • https://{BLOCKED}oogleapis.com/css?family=Roboto:100,400,500,700
    • https://{BLOCKED}uery.com/jquery-3.5.1.min.js
    • https://{BLOCKED}ckspace.com/favicon.ico
    • https://{BLOCKED}n.msauth.net/shared/1.0/content/images/microsoft_logo_564db913a7fa0ca42727161c6d031bef.svg
    • https://{BLOCKED}eraccess.com/full/3309609.jpg
      hyperlink that contains the following legitimate URL:
      • https://{BLOCKED}elp.rackspace.com/l/identify-suspicious-email
  • After the initial load, the current URL in the address bar is replaced with a spoofed URL that includes the parameters scriptID, cookies, and token, formatted as follows:
    • {Current URL}?scriptID={ScriptId}&cookies={Cookies}&token={Token}
      where:
      • ScriptId → random number between 0 and 999,999,999,999,998
      • Cookies → Base64-encoded random number
      • Token → random number
  • It changes the page title into the following:
    • Rackspace Webmail: Hosted Email for Business
  • After the 1st login attempt, it displays the following fake error message:
    • 入力したパスワードが正しくありません → translates to: "The password you entered is incorrect."
      then reloads the page with the following URL:
      • {Spoofed URL}&sec_p=09304 → indicating the page is in 2nd login attempt
  • After the 2nd login attempt, it redirects to the following legitimate URL:
    • http://google.jp

  SOLUTION

Minimum scan engine: 9.800
First VSAPI Pattern File: 19.428.05
First VSAPI Pattern Release Date: 26 czerwca 2024
VSAPI OPR PATTERN-VERSION: 19.429.00
VSAPI OPR PATTERN DATE: 27 czerwca 2024

Step 1

Los usuarios de Windows ME y XP, antes de llevar a cabo cualquier exploración, deben comprobar que tienen desactivada la opción Restaurar sistema para permitir la exploración completa del equipo.

Step 2

Explorar el equipo con su producto de Trend Micro para eliminar los archivos detectados como Trojan.HTML.PHISH.SMTPTCVBB En caso de que el producto de Trend Micro ya haya limpiado, eliminado o puesto en cuarentena los archivos detectados, no serán necesarios más pasos. Puede optar simplemente por eliminar los archivos en cuarentena. Consulte esta página de Base de conocimientos para obtener más información.


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