Analysis by: Francesca Villasanta
ALIASES:

UDS:DangerousObject.Multi.Generic (KASPERSKY); Trojan:MSIL/Redline.NEAB!MTB (MICROSOFT)

 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: 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 connects to certain websites to send and receive information.

  TECHNICAL DETAILS

File Size: 204,800 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 16 Feb 2023
Payload: Connects to URLs/IPs, 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.

Information Theft

This Trojan Spy gathers the following data:

  • Gathers the following system information:
    • Username
    • Domain Name
    • Serial Number
    • Keyboard Layout
    • Screen Resolution
    • Operating System
    • GPU Information
    • CPU Information
    • IP Address
    • System Language
    • System Timezone
    • RAM
    • Installed Browsers
    • Installed Programs
    • Installed Security Software
    • Running processes
  • Gathers information from:
    • Browsers:
      • Chrome Based Browsers
      • Gecko Based Browsers
      • Opera GX Stable
      • Opera GX
    • FTP Clients:
      • FileZilla
    • Messaging Applications:
      • Telegram
    • VPN:
      • NordVPN
      • OpenVPN
      • ProtonVPN
    • Wallets:
      • Data from wallet.dat files
    • Others:
      • Steam
      • Discord
  • Browser Extensions:
    • Autofill data
    • Login data
    • Web data
    • Cookies
  • Gathers the specific files depending on the configurations received from the server.

Other Details

This Trojan Spy connects to the following URL(s) to get the affected system's IP address:

  • https://{BLOCKED}i.{BLOCKED}p.sb/ip

It connects to the following website to send and receive information:

  • net.tcp://{BLOCKED}.{BLOCKED}.41.175:44271/

It does the following:

  • It deletes the following folder if creation date is greater than 3 months:
    • %AppDataLocal%\Microsoft\Windows
  • It creates the following folder if not existing or was deleted based on the condition above:
    • %AppDataLocal%\Microsoft\Windows

(Note: %AppDataLocal% is the Local Application Data folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Application Data on Windows 2000(32-bit), XP, and Server 2003(32-bit), or C:\Users\{user name}\AppData\Local on Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) and 10(64-bit).)

  SOLUTION

Minimum Scan Engine: 9.800
FIRST VSAPI PATTERN FILE: 18.260.04
FIRST VSAPI PATTERN DATE: 16 Feb 2023
VSAPI OPR PATTERN File: 18.261.00
VSAPI OPR PATTERN Date: 17 Feb 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.XXPE50FFF065

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

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.MSIL.REDLINESTEALER.XDAXZ. 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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