Analisado por: Mohammed Malubay   

 

VBA/TrojanDownloader.Agent.RGB trojan(NOD32); Trojan-Downloader.VBA.Emotet(IKARUS);

 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

  • Destrutivo:
    Não

  • Criptografado:
     

  • In the Wild:
    Sim

  Visão geral

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: 254,377 bytes
Tipo de arquivo: DOC
Residente na memória: Não
Data de recebimento das amostras iniciais: 16 janeiro 2020

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.

Installation

Fügt die folgenden Prozesse hinzu:

  • Powershell -w hidden -en {base-64 encoded command}

Download-Routine

Speichert die heruntergeladenen Dateien unter den folgenden Namen:

  • %User Profile%\121.exe

(Hinweis: %User Profile% ist der Ordner für Benutzerprofile des aktuellen Benutzers, normalerweise C:\Windows\Profile\{Benutzername} unter Windows 98 und ME, C:\WINNT\Profile\{Benutzername} unter Windows NT, C:\Dokumente und Einstellungen\{Benutzername} unter Windows 2000(32-bit), XP und Server 2003(32-bit) und C:\Users\{user name} unter Windows Vista, 7, 8, 8.1, 2008(64-bit), 2012(64-bit) und 10(64-bit).)

Andere Details

It connects to the following possibly malicious URL:

  • http://{BLOCKED}ique.org/-/wv4y-6w5-3697/
  • https://wlskdjfsa.{BLOCKED}ostapp.com/wp-admin/VbuFbbG/
  • http://blog.{BLOCKED}avarici.com/wp-includes/fQbmzw/
  • http://{BLOCKED}n.com/wp-admin/be19e6-le6fjr-256/
  • http://bbv.{BLOCKED}ier.media/wp-includes/runyp-zsv8cv-3508006/