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TrojanSpy.Win32.GRANDOREIRO.MLMC

November 14, 2023
 Analysis by: Raighen Sanchez
 PLATFORM:

Windows

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

  • Threat Type: Trojan Spy

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

Infection Channel:

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.

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

  TECHNICAL DETAILS

Payload:

Connects to URLs/IPs, Steals information, Collects system 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 files:

  • %ProgramData%\QLVGJVA2K31qlvghfre_287.xml
  • {malware filepath}\tenaqberveb.cfg

(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 terminates itself if it finds the following processes in the affected system's memory:

  • regmon.exe
  • procmon.exe
  • filemon.exe
  • Wireshark.exe
  • procexp.exe
  • ProcessHacker.exe
  • PCHunter32.exe
  • JoeTrace.exe
  • ResourceHacker.exe

Information Theft

This Trojan Spy gathers the following data:

  • Username
  • System Information
  • OS Name and Version
  • Hostname
  • Geolocation
  • IP Address
  • List of Installed Applications
  • List of Installed Antivirus

Other Details

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

  • http://{BLOCKED}i.com/json

It does the following:

  • 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
  • It compares the Hostname of the affected system before proceeding to its original routine to the following:
    • WIN-VUA6POUV5UP
    • Win-StephyPC3
    • difusor
    • DESTOP2457
    • JOHN-PC
    • WORK
  • It compares its execution path to check for analysis tools:
    • D:\programming
    • D:\script
  • It compares the country code of the affected system before proceeding to its original routine to the following targeted countries:
    • BZ - Belize
    • CR - Costa Rica
    • GT - Guatemala
    • HN - Honduras
    • MX - Mexico
    • NI - Nicaragua
    • PA - Panama
    • SV - El Salvador
    • AR - Argentina
    • BO - Bolivia
    • BR - Brazil
    • CL - Chile
    • CO - Colombia
    • EC - Ecuador
    • PE - Peru
    • UY - Uruguay
    • AG - Antigua and Barbuda
    • BB - Barbados
    • BS - Bahamas
    • DO - Dominican Republic
    • HT - Haiti
    • JM - Jamaica
    • PR - Puerto Rico
    • CU - Cuba
    • CW - Curacao
    • BE - Belgium
    • CH - Switzerland
    • DK - Denmark
    • IT - Italy
    • PL - Poland
    • PT - Portugal
    • FR - France
    • ES - Spain
    • IE - Ireland
  • 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
      • LAFISE
      • 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

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

    It uses Domain Generation Algorithm (DGA) for its C&C servers. The domain can be any of the following:

    • {BLOCKED}h.com
    • {BLOCKED}-at-work.com
    • {BLOCKED}s.ws
    • {BLOCKED}as.org
    • {BLOCKED}ix.com
    • {BLOCKED}c.com
    • {BLOCKED}la-masion.com
    • {BLOCKED}engineer.com
    • {BLOCKED}.biz
    • {BLOCKED}oxfan.org
    • {BLOCKED}emocrat.com
    • {BLOCKED}er-site.net
    • {BLOCKED}et.biz
    • {BLOCKED}t.com
    • {BLOCKED}te.org
    • {BLOCKED}rleet.com
    • {BLOCKED}.net
    • {BLOCKED}ed.org
    • {BLOCKED}bs.net
    • {BLOCKED}-of-knowledge.info
    • {BLOCKED}d-camp.net
    • {BLOCKED}bs.com
    • {BLOCKED}it.net
    • {BLOCKED}c.com
    • {BLOCKED}site.com
    • {BLOCKED}o-games.com
    • {BLOCKED}hef.org
    • {BLOCKED}o.com
    • {BLOCKED}netz.de
    • {BLOCKED}awyer.com
    • {BLOCKED}y.com
    • {BLOCKED}ard-worker.com
    • {BLOCKED}-certified.com
    • {BLOCKED}n.de
    • {BLOCKED}z.net
    • {BLOCKED}d.com
    • {BLOCKED}-wiki.com
    • {BLOCKED}4-sale.us
    • {BLOCKED}n.com
    • {BLOCKED}as.com
    • {BLOCKED}ek.com
    • {BLOCKED}nd.org
    • {BLOCKED}o-cartoons.com
    • {BLOCKED}ascarfan.com
    • {BLOCKED}nservative.com
    • {BLOCKED}as.com
    • {BLOCKED}h.com
    • {BLOCKED}s.com
    • {BLOCKED}s.com
    • {BLOCKED}h.com
    • {BLOCKED}as.org
    • {BLOCKED}ix.com
    • {BLOCKED}c.com
    • {BLOCKED}gineer.com
    • {BLOCKED}s.biz
    • {BLOCKED}ookkeeper.com
    • {BLOCKED}eek.net
    • {BLOCKED}d.com
    • {BLOCKED}emocrat.com
    • {BLOCKED}-home.com
    • {BLOCKED}et.biz
    • {BLOCKED}te.org
    • {BLOCKED}-remote.com
    • {BLOCKED}ersonaltrainer.com
    • {BLOCKED}ist.org
    • {BLOCKED}atsfan.org
    • {BLOCKED}e.biz
    • {BLOCKED}i.com
    • {BLOCKED}.his.name
    • {BLOCKED}bs.com
    • {BLOCKED}eacher.com
    • {BLOCKED}it.net
    • {BLOCKED}site.com
    • {BLOCKED}ockstar.com
    • {BLOCKED}o-games.com
    • {BLOCKED}hef.org
    • {BLOCKED}com
    • {BLOCKED}netz.de
    • {BLOCKED}o.org
    • {BLOCKED}awyer.com
    • {BLOCKED}y.com
    • {BLOCKED}-certified.com
    • {BLOCKED}n.de
    • {BLOCKED}p.org
    • {BLOCKED}z.net
    • {BLOCKED}ist.com
    • {BLOCKED}D}-wiki.com
    • {BLOCKED}-artist.com
    • {BLOCKED}-4-sale.us
    • {BLOCKED}player.com
    • {BLOCKED}tn.com
    • {BLOCKED}ias.com
    • {BLOCKED}nfused.org
    • {BLOCKED}eek.com
    • {BLOCKED}und.org
    • {BLOCKED}rtoons.com
    • {BLOCKED}-nascarfan.com
    • {BLOCKED}conservative.com
    • {BLOCKED}ne.net
    • {BLOCKED}nh.com
    • {BLOCKED}ns.com
    • {BLOCKED}oh.com
    • {BLOCKED}s-at-work.com
    • {BLOCKED}nix.com
    • {BLOCKED}sc.com
    • {BLOCKED}-la-masion.com
    • {BLOCKED}-the.info
    • {BLOCKED}-engineer.com
    • {BLOCKED}.biz
    • {BLOCKED}soxfan.org
    • {BLOCKED}bookkeeper.com
    • {BLOCKED}.com
    • {BLOCKED}s-ip.com
    • {BLOCKED}r.com
    • {BLOCKED}-to-rent.com
    • {BLOCKED}-ass.net
    • {BLOCKED}ine.com
    • {BLOCKED}geek.com
    • {BLOCKED}s-remote.com
    • {BLOCKED}s.org
    • {BLOCKED}personaltrainer.com
    • {BLOCKED}xist.org
    • {BLOCKED}patsfan.org
    • {BLOCKED}t.his.name
    • {BLOCKED}bbs.com
    • {BLOCKED}teacher.com
    • {BLOCKED}-it.net
    • {BLOCKED}in.com
    • {BLOCKED}dc.com
    • {BLOCKED}site.com
    • {BLOCKED}ockstar.com
    • {BLOCKED}o-games.com
    • {BLOCKED}o.com
    • {BLOCKED}o.org
    • {BLOCKED}ard-worker.com
    • {BLOCKED}-certified.com
    • {BLOCKED}n.de
    • {BLOCKED}.org
    • {BLOCKED}ist.com
    • {BLOCKED}logger.com
    • {BLOCKED}nux.com
    • {BLOCKED}artist.com
    • {BLOCKED}layer.com
    • {BLOCKED}n.com
    • {BLOCKED}os.cc
    • {BLOCKED}used.org
    • {BLOCKED}ek.com
    • {BLOCKED}nd.org
    • {BLOCKED}o-cartoons.com
    • {BLOCKED}ascarfan.com
    • {BLOCKED}onservative.com
    • {BLOCKED}s.com
    • {BLOCKED}oh.com
    • {BLOCKED}s.ws
    • {BLOCKED}ias.org
    • {BLOCKED}cess.cc
    • {BLOCKED}-web.com
    • {BLOCKED}internet.org
    • {BLOCKED}ma.com
    • {BLOCKED}s-ip.com
    • {BLOCKED}geek.com
    • {BLOCKED}s-remote.com
    • {BLOCKED}personaltrainer.com
    • {BLOCKED}xist.org
    • {BLOCKED}patsfan.org
    • {BLOCKED}he.biz
    • {BLOCKED}wi.com
    • {BLOCKED}bbs.com
    • {BLOCKED}dc.com
    • {BLOCKED}t.her.name
    • {BLOCKED}ere.net
    • {BLOCKED}s-mail.com
    • {BLOCKED}-the-whales.com
    • {BLOCKED}de.com
    • {BLOCKED}ias.net
    • {BLOCKED}student.com
    • {BLOCKED}dyndns.org
    • {BLOCKED}ngeek.de
    • {BLOCKED}-for-less.com
    • {BLOCKED}nc.com
    • {BLOCKED}ore.biz
    • {BLOCKED}ns.com
    • {BLOCKED}co.net
    • {BLOCKED}green.com
    • {BLOCKED}p.net
    • {BLOCKED}-for-u.com
    • {BLOCKED}itall.info
    • {BLOCKED}ngsen.de
    • {BLOCKED}ar.com
    • {BLOCKED}inux.org
    • {BLOCKED}et.com
    • {BLOCKED}server.cc
    • {BLOCKED}cpa.com
    • {BLOCKED}net.us
    • {BLOCKED}nix.org
    • {BLOCKED}ry-sweet.org
    • {BLOCKED}-saur.com
    • {BLOCKED}fl.com
    • {BLOCKED}mt.com
    • {BLOCKED}-ass.org
    • {BLOCKED}st.org
    • {BLOCKED}e-web.tv
    • {BLOCKED}p.org
    • {BLOCKED}therapist.com
    • {BLOCKED}chef.com
    • {BLOCKED}ecam.nu
    • {BLOCKED}techie.com
    • {BLOCKED}mi.com
    • {BLOCKED}-4-sale.org
    • {BLOCKED}p.biz
    • {BLOCKED}republican.com
    • {BLOCKED}mo.com
    • {BLOCKED}mn.com
    • {BLOCKED}ns.net
    • {BLOCKED}adio-op.net
    • {BLOCKED}host.org
    • {BLOCKED}ur.info
    • {BLOCKED}ftp.org
    • {BLOCKED}ns.org
    • {BLOCKED}wv.com
    • {BLOCKED}financialadvisor.com
    • {BLOCKED}l-of-knowledge.info
    • {BLOCKED}l.com
    • {BLOCKED}ocialist.com
    • {BLOCKED}-url.com
    • {BLOCKED}k.com
    • {BLOCKED}.ws
    • {BLOCKED}andscaper.com
    • {BLOCKED}h-theband.com
    • {BLOCKED}d.com
    • {BLOCKED}heinternet.org
    • {BLOCKED}y.com
    • {BLOCKED}-patron.com
    • {BLOCKED}terthanyou.com
    • {BLOCKED}p.net
    • {BLOCKED}y-evil.org
    • {BLOCKED}narchist.com
    • {BLOCKED}octor.com
    • {BLOCKED}exist.com
    • {BLOCKED}o-cars.com
    • {BLOCKED}ist.net
    • {BLOCKED}i.com
    • {BLOCKED}hef.net
    • {BLOCKED}t.net
    • {BLOCKED}t.nu
    • {BLOCKED}e.org
    • {BLOCKED}nux.net
    • {BLOCKED}ne.org
    • {BLOCKED}.net
    • {BLOCKED}rl.com
    • {BLOCKED}e.com
    • {BLOCKED}ruinsfan.org
    • {BLOCKED}k.com
    • {BLOCKED}e.com
    • {BLOCKED}ourhome.org
    • {BLOCKED}n-blogueur.com
    • {BLOCKED}s.org
    • {BLOCKED}ns.org
    • {BLOCKED}exist.org
    • {BLOCKED}m.com
    • {BLOCKED}ls-fan.com

    •   SOLUTION

    Minimum Scan Engine:

    9.800

    FIRST VSAPI PATTERN FILE:

    18.768.05

    FIRST VSAPI PATTERN DATE:

    20 Oct 2023

    VSAPI OPR PATTERN File:

    18.769.00

    VSAPI OPR PATTERN Date:

    21 Oct 2023

    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

    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 3

    Search and delete this file

    [ Learn More ]
    There may be some files that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
    •  C:\ProgramData\QLVGJVA2K31qlvghfre_287.xml
    • {malware filepath}\tenaqberveb.cfg

    Step 4

    Scan your computer with your Trend Micro product to delete files detected as TrojanSpy.Win32.GRANDOREIRO.MLMC. 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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