General

  • Target
    Rfq.exe
  • Size 729KB
  • Sample200716-hm1pe4ax8a
  • SHA256 816ae02b0e8d286ed276d179cfd2e256e02f9e78d8c5dc74df69655417b9d558
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    bbbb2016

Targets

    • Target
      Rfq.exe
    • Size 729KB
    • SHA256 816ae02b0e8d286ed276d179cfd2e256e02f9e78d8c5dc74df69655417b9d558
    • MD5 SHA1 SHA512
    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AgentTesla Payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks