General

  • Target
    RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js
  • Size 466KB
  • Sample210202-3gpqsqppmj
  • SHA256 5a18ef3e027b211901758fa2ffeaa63ae1ab87cdd85188660ab839771abb9ecb
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.zolvtek.com/

  • Port

    21

  • Password

    bird0006

Targets

    • Target
      RE_BOEING3A78_NEW_ORDERS_E4G60K1G7_PDF.js
    • Size 466KB
    • SHA256 5a18ef3e027b211901758fa2ffeaa63ae1ab87cdd85188660ab839771abb9ecb
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • WSHRAT

      WSHRAT is a variant of Houdini worm and has vbs and js variants.

    • WSHRAT Payload

    • AgentTesla Payload

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Drops startup file

    • 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.

MITRE ATT&CK Enterprise v6

Tasks