General

  • Target
    4a6faac7740c307fd5a0e23e0f5ea222
  • Size 695KB
  • Sample220425-tsglvsghbp
  • SHA256 4154bbb1bc580a874dc084a8017a6bb5a6243c29cddbf47dee3d0ca768b5936f
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.reiscoymarcos.com

  • Port

    587

  • Password

    Freespace88@

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.reiscoymarcos.com

  • Port

    587

  • Password

    Freespace88@

Targets

    • Target
      4a6faac7740c307fd5a0e23e0f5ea222
    • Size 695KB
    • SHA256 4154bbb1bc580a874dc084a8017a6bb5a6243c29cddbf47dee3d0ca768b5936f
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • suricata: ET MALWARE AgentTesla Exfil Via SMTP

      suricata: ET MALWARE AgentTesla Exfil Via SMTP

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks