TrojanSpy.Win32.STEALC.A
UDS:Trojan-PSW.Win32.Stealerc.gen (KASPERSKY)
Windows
![](/vinfo/imgFiles/legend.jpg)
Threat Type: Trojan Spy
Destructiveness: No
Encrypted: Yes
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
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.
TECHNICAL DETAILS
8,288,256 bytes
EXE
No
08 Aug 2023
Collects system information, Connects to URLs/IPs, Deletes files, Steals information
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.
SOLUTION
9.800
18.624.02
09 Aug 2023
18.625.00
10 Aug 2023
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.XXPE50FFF071
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
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 4
Search and delete these files
- %ProgramData%\sqlite3.dll
- %ProgramData%\freebl3.dll
- %ProgramData%\mozglue.dll
- %ProgramData%\msvcp40.dll
- %ProgramData%\nss3.dll
- %ProgramData%\softokn3.dll
- %ProgramData%\vcruntime140.dll
Step 5
Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.STEALC.A. 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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