General

  • Target
    New order.doc
  • Size 190KB
  • Sample240221-qdr79sgc75
  • SHA256 adbe65c8b7499ffb421e092b9842fd7fc4195054ed184fde05a947748c9e7c2c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.processengrg.com

  • Port

    587

  • Password

    Bigbrain2022#

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      New order.doc
    • Size 190KB
    • SHA256 adbe65c8b7499ffb421e092b9842fd7fc4195054ed184fde05a947748c9e7c2c
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • 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.

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks