TrojanSpy.Win32.GRANDOREIRO.MLMA
Windows
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Threat Type: Trojan Spy
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
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.
TECHNICAL DETAILS
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 mutexes to ensure that only one of its copies runs at any one time:
- IntelWassing39
It terminates itself if it finds the following processes in the affected system's memory:
- regmon.exe
- filemon.exe
- Wireshark.exe
- ProcessHacker.exe
- PCHunter64.exe
- PCHunter32.exe
- JoeTrace.exe
- ResourceHacker.exe
Information Theft
This Trojan Spy gathers the following data:
- Username
- Computer Name
- System Information
- OS Name and Version
- Hostname
- Geolocation
- IP Address
- List of Installed Applications
- List of Installed Antivirus
- Date and Time of Execution
Other Details
This Trojan Spy does the following:
- It compares the country code of the affected system before proceeding to its original routine to the following targeted countries:
- GT - Guatemala
- HN - Honduras
- MX - Mexico
- NI - Nicaragua
- PA - Panama
- SV - El Salvador
- AR - Argentina
- BO - Bolivia
- BR - Brazil
- EC - Ecuador
- PE - Peru
- PY - Paraguay
- UY - Uruguay
- VE - Venezuela
- BB - Barbados
- BS - Bahamas
- DO - Dominican Republic
- HT - Haiti
- JM - Jamaica
- KY - Cayman Islands
- CH - Switzerland
- IT - Italy
- PL - Poland
- UK - United Kingdom
- FR - France
- ES - Spain
- IE - Ireland
- It compares the Hostname of the affected system before proceeding to its original routine to the following:
- WIN-VUA6POUV5UP
- JOHN-PC
- WORK
- It compares the OS Name of the affected system before proceeding to its original routine to the following:
- Windows XP
- Windows Vista
- Windows 7
- Windows 8
- Windows 10
- Windows 11
- This Trojan Spy connects to the following URL(s) to get the affected system's IP address:
- http://{BLOCKED}i.com/json
- It uses Domain Genaration Algorithm (DGA) to generate its C2 Server.
- It has keylogging capabilities.
- It steals information from the following applications if found in the affected system:
- Mail Client:
- Microsoft Outlook
- Software\Clients\Mail
- Banking:
- ACB Carribean
- Alliance Bank
- Allied Bank
- Atlantic Bank
- Banco BISA
- Banco Unión
- Banco de Crédito
- Banco Nacional
- Banco Económico
- Banco Ganadero
- BNamericas
- Banco Los Andes
- Banco Mercantil
- Banca por Internet
- BMSC
- BancoSol
- Bank of Valletta
- BBVA
- Belize Bank
- Butterfield Group
- Caja de Ahorros
- Choice Bank
- CIBC
- CIBC First Carribean
- Citibank
- Credit Suisse
- Davivienda
- Doral Bank
- e-Bandes
- e-Bisa
- FIMBank
- HRCU Online Account
- HSBC Malta
- IIG Bank
- Inicio
- FISE
- MEXC Exchange
- Orco Bank
- Provincia Casa Financiera
- Raiffeisen-Gruppe
- Republic Bank
- RepublicOnline Corporate
- Santander
- Scotia Bank
- Synchrony Bank
- UBS E-Banking
- Stocks:
- Fortex
- Cryptocurrency Wallet:
- Armory
- Atomic Wallet
- Binance
- Bisq
- Bitbox
- Bither
- Blockstream
- BTC-CORE
- Coinomi
- Daedalus
- Electrum
- Hotbit Global
- Ledger
- Monero
- OPOLODesk
- Trezor
- Trust Wallet
- WasabiWallet
- Mail Client:
SOLUTION
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 TrojanSpy.Win32.GRANDOREIRO.MLMA. 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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