General

  • Target
    nameserverx.exe
  • Size 671KB
  • Sample201103-hx7be29ex2
  • SHA256 a7df178348dd3563a0a0a44ec82af4b6bc15bf352337ef690fac078cfee6ec49
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.cavilum.cl

  • Port

    587

  • Password

    Cavilum4313

Targets

    • Target
      nameserverx.exe
    • Size 671KB
    • SHA256 a7df178348dd3563a0a0a44ec82af4b6bc15bf352337ef690fac078cfee6ec49
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • AgentTesla Payload

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks