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TrojanSpy.Win64.AURORASTEALER.A

April 17, 2023
 Analysis by: Charles Adrian Marty
 ALIASES:

TR/PSW.Coins.rxdad (ANTIVIR)

 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 retrieves specific information from the affected system.

  TECHNICAL DETAILS

File Size:

4,589,182 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

23 Nov 2022

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.

Installation

This Trojan Spy adds the following processes:

  • wmic cpu get name
  • wmic path win32_VideoController get name
  • wmic os get caption

Information Theft

This Trojan Spy gathers the following data:

  • Browser data (e.g., autofill, cookies, passwords, history):
    • 360 Browser
    • 7Star
    • Amigo
    • Cent
    • Chedot
    • Cherokee
    • Chromodo
    • Chromium
    • Citrio
    • CocCoc
    • Comodo
    • Coowon
    • Elements
    • Epic Privacy
    • Iridium
    • K-Meleon
    • Kometa
    • Liebao
    • Nichrome
    • Opera
    • Orbitum
    • QIP Surf
    • Sputnik
    • Torch
    • Uran
    • Vivaldi
    • Waterfox
    • Yandex

  • Credentials from the following Crypto-Wallets:
    • Armory
    • Atomic
    • Binance Chain
    • Bit App
    • Brave
    • Bolt X
    • Bytecoins
    • Coin 98
    • Coinbase
    • Electrum
    • Ethereum
    • Equal
    • EVER
    • Exodus
    • guard
    • Guarda
    • Guild
    • Harmony
    • ICONex
    • iWallet
    • Jaxx Liberty
    • Kardia Chain
    • Liquality
    • Maiar DeFi
    • MetaMask
    • MewCX
    • Nami
    • Nifty
    • Oxygen
    • Pali
    • Phantom
    • Ronin
    • Terra Station
    • Tronlink
    • Saturn
    • Wombat
    • XDefi
    • Yoroi
    • ZCash

  • Other applications:
    • Telegram

It retrieves the following information from the affected system:

  • Username
  • Computer name
  • OS information
  • CPU information
  • RAM information
  • IP Address
  • Local time
  • System time
  • Date format
  • Current time zone
  • Join information
  • Version information
  • Volume information
  • System default language
  • User default language
  • Screen capture
  • Clipboard data
  • Fax data
  • Printer data
  • Active window
  • Adapters information
  • Code page information
  • Console information
  • Currency information
  • Cursor information
  • Device power state
  • Dialog information
  • Keyboard layout
  • Menu information
  • Monitor information
  • Mouse information
  • Security information
  • Running processes
  • DLL directory
  • System directory
  • VDM directory
  • Windows directory

Other Details

This Trojan Spy does the following:

  • It sends the stolen information via TCP:
    • {BLOCKED}.{BLOCKED}.{BLOCKED}.119:8081

    However, as of this writing the said IP is inaccessible.

  SOLUTION

Minimum Scan Engine:

9.800

FIRST VSAPI PATTERN FILE:

18.390.04

FIRST VSAPI PATTERN DATE:

17 Apr 2023

VSAPI OPR PATTERN File:

18.391.00

VSAPI OPR PATTERN Date:

18 Apr 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.XXPE50FFF062

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

Identify and terminate files detected as TrojanSpy.Win64.AURORASTEALER.A

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win64.AURORASTEALER.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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