Analisado por: Carlos Villegas Madrid   

 

Trojan:MacOS/Amos.D!MTB (MICROSOFT)

 Plataforma:

Windows

 Classificao do risco total:
 Potencial de dano:
 Potencial de distribuição:
 infecção relatada:
 Exposição das informações:
Baixo
Medium
Alto
Crítico

  • Tipo de grayware:
    Trojan Spy

  • Destrutivo:
    Não

  • Criptografado:
     

  • In the Wild:
    Sim

  Visão geral

Canal de infecção: Aus dem Internet heruntergeladen, Fallen gelassen von anderer Malware

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  Detalhes técnicos

Tipo de compactação: 240,512 bytes
Tipo de arquivo: Mach-O
Data de recebimento das amostras iniciais: 31 agosto 2023
Carga útil: Steals information

Übertragungsdetails

It arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Andere Details

Es macht Folgendes:

  • Upon execution, it prompts a fake warning alert asking for user’s password to lure the victim into inputting the password using osascript command, this password will be used to access the user’s keychain database – this is where sensitive information is stored such as passwords, certificates, and wallet information.
    • osascript -e 'display dialog "macOS needs to access System settings %s Please enter your password." with title "System Preferences" with icon file "System:Library:CoreServices:CoreTypes.bundle:Contents:Resources:ToolbarAdvanced.icns" default answer "" giving up after 30 with hidden answer
  • It executes the following commands:
    • system_profiler SPHardwareDataType → used to gather hardware information from the victim’s machine
    • security 2>&1 > /dev/null find-generic-password -ga 'Chrome' | awk '{print $2}' → used to steal Chrome password
  • Target browsers:
    • Chrome
    • Brave
    • Edge
    • Vivaldi
    • Opera
    • OperaGX
    • Chromium
  • Target wallets:
    • Exodus
    • Electrum
    • TronLink
    • Metamask
    • Binance Chain
    • Keplr

  Solução

Mecanismo de varredura mínima: 9.800
Primeiro arquivo padrão VSAPI: 18.669.00
Data do lançamento do primeiro padrão VSAPI: 31 agosto 2023
VSAPI OPR Pattern Version: 18.669.00
VSAPI OPR Pattern veröffentlicht am: 01 setembro 2023

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