General

  • Target
    PO# 23023936000.pdf.exe
  • Size 398KB
  • Sample230419-md8cpshh62
  • SHA256 15fedd7c2919962c5b49b1f1e006d00a1934e0b0817fa13e438e7d5c5429b0b3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    ubduipymcemperot

Targets

    • Target
      PO# 23023936000.pdf.exe
    • Size 398KB
    • SHA256 15fedd7c2919962c5b49b1f1e006d00a1934e0b0817fa13e438e7d5c5429b0b3
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks