General

  • Target
    INVC11113189.doc
  • Size 25KB
  • Sample200713-23fepg3v1a
  • SHA256 104516024034e12a025637b1427668e057e0b001b1ae0f0ec530340e2253c4fc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    bh-58.webhostbox.net

  • Port

    587

  • Password

    7213575aceACE@#$

Targets

    • Target
      INVC11113189.doc
    • Size 25KB
    • SHA256 104516024034e12a025637b1427668e057e0b001b1ae0f0ec530340e2253c4fc
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • AgentTesla Payload

    • Blocklisted process makes network request

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks