Analysis by: Neljorn Nathaniel Aguas

ALIASES:

Other:SNH-gen [Phish] (AVAST)

 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

Canal de infección 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.

It does not have any propagation routine.

It does not have any backdoor routine.

  TECHNICAL DETAILS

Tamaño del archivo 15,237 bytes
Tipo de archivo HTML, HTM
Residente en memoria No
Fecha de recepción de las muestras iniciales 30 May 2025
Carga útil Connects to URLs/IPs, Displays windows, Steals information

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.

Propagation

This Trojan does not have any propagation routine.

Backdoor Routine

This Trojan does not have any backdoor routine.

Rootkit Capabilities

This Trojan does not have rootkit capabilities.

Information Theft

This Trojan gathers the following account information:

  • Specific Email
  • Input Password

Stolen Information

This Trojan sends the gathered information via HTTP POST to the following URL:

  • 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.

Other Details

This Trojan does the following:

  • 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

It does not exploit any vulnerability.

  SOLUTION

Motor de exploración mínimo 9.800
Primer archivo de patrones de VSAPI 19.428.05
Primera fecha de publicación de patrones de VSAPI 26 Jun 2024
Versión de patrones OPR de VSAPI 19.429.00
Fecha de publicación de patrones OPR de VSAPI 27 Jun 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 Trojan.HTML.PHISH.SMTPTCVBB. 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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