TrojanSpy.Win32.STEALC.A

This Trojan Spy 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.

It gathers certain information on the affected computer.

It connects to certain websites to send and receive information. However, as of this writing, the said sites are inaccessible.

Arrival Details

This Trojan Spy 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 Spy drops the following component file(s):

• %ProgramData%\sqlite3.dll
• %ProgramData%\freebl3.dll
• %ProgramData%\mozglue.dll
• %ProgramData%\msvcp40.dll
• %ProgramData%\nss3.dll
• %ProgramData%\softokn3.dll
• %ProgramData%\vcruntime140.dll

(Note: %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This contains application data for all users. This is usually C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit), or C:\Documents and Settings\All Users on Windows Server 2003(32-bit), 2000(32-bit) and XP.)

It adds the following processes:

• "%System%\cmd.exe" /c timeout /t 5 & del /f /q "{Malware File Path}\{Malware File Name}" & del "%ProgramData%\*.dll" & exit

(Note: %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This contains application data for all users. This is usually C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit), or C:\Documents and Settings\All Users on Windows Server 2003(32-bit), 2000(32-bit) and XP.)

Other System Modifications

This Trojan Spy deletes the following files:

• {Malware File Path}\{Malware File Name}.{Malware File Extension}
• %ProgramData%\{File Name}.dll

(Note: %ProgramData% is a version of the Program Files folder where any user on a multi-user computer can make changes to programs. This contains application data for all users. This is usually C:\ProgramData on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit), or C:\Documents and Settings\All Users on Windows Server 2003(32-bit), 2000(32-bit) and XP.)

Propagation

This Trojan Spy does not have any propagation routine.

Backdoor Routine

This Trojan Spy does not have any backdoor routine.

Rootkit Capabilities

This Trojan Spy does not have rootkit capabilities.

Information Theft

This Trojan Spy gathers the following information on the affected computer:

• System Information:
  • Public IP address
  • Geolocation
  • Hardware ID
  • Operating system version
  • System architecture
  • Username
  • Computer name
  • Local time
  • Time zone information
  • Language
  • Keyboard layout
  • If machine is laptop or desktop
  • {Malware File Path}\{Malware File Name}
  • Physical resources
    • CPU core count
    • CPU name
    • RAM amount
    • Number of threads
    • Display resolution
    • GPU driver
  • List of running processes
  • List of installed applications
• Screenshot of current display
• Browser data (e.g. autofills, cookies, credentials, credit card data, browser extensions)
  • Chromium-based browsers
  • Firefox-based browsers
  • Opera-based browsers
• Email credentials:
  • Outlook
• Cryptocurrency wallet data
• Telegram session data
• Steam metadata
• Discord tokens
• Account credentials:
  • Tox
  • Pidgin

Other Details

This Trojan Spy connects to the following website to send and receive information:

• http://{BLOCKED}.{BLOCKED}.{BLOCKED}.7/b5c26998bb7c2272.php

It does the following:

• It terminates itself when one of the following conditions is met:
  • If system processor count is less than 2
  • If system display raster lines is less than 666
  • If system default computer language is one of the following:
    • Russian
    • Ukranian
    • Belarussian
    • Kazakh
    • Uzbek (Latin)
  • If system computer name is HAL9TH and username is JohnDoe
  • If system total physical memory is less than 1,111 megabytes
  • If the malware is executed after August 27, 2023
• It accesses the following websites to download its configuration/component files:
  • http://{BLOCKED}.{BLOCKED}.{BLOCKED}.7/b5c26998bb7c2272.php
  • http://{BLOCKED}.{BLOCKED}.{BLOCKED}.7:80/714211d16652b54f/sqlite3.dll
  • http://{BLOCKED}.{BLOCKED}.{BLOCKED}.7:80/714211d16652b54f/freebl3.dll
  • http://{BLOCKED}.{BLOCKED}.{BLOCKED}.7:80/714211d16652b54f/mozglue.dll
  • http://{BLOCKED}.{BLOCKED}.{BLOCKED}.7:80/714211d16652b54f/msvcp40.dll
  • http://{BLOCKED}.{BLOCKED}.{BLOCKED}.7:80/714211d16652b54f/nss3.dll -
  • http://{BLOCKED}.{BLOCKED}.{BLOCKED}.7:80/714211d16652b54f/softokn3.dll
  • http://{BLOCKED}.{BLOCKED}.{BLOCKED}.7:80/714211d16652b54f/vcruntime140.dll

However, as of this writing, the said sites are inaccessible.

It does not exploit any vulnerability.