General

  • Target
    Invoice 20202009.exe
  • Size 535KB
  • Sample200827-wchlbgnmte
  • SHA256 2df3e51954ea1df7ed33355df01412a600f8e23a09b0f0c9c99af13d7f90cebc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    ALIbaba123

Targets

    • Target
      Invoice 20202009.exe
    • Size 535KB
    • SHA256 2df3e51954ea1df7ed33355df01412a600f8e23a09b0f0c9c99af13d7f90cebc
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • AgentTesla Payload

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • 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