General

  • Target
    AV_20000346_Jinfeng.exe
  • Size 1.2MB
  • Sample201016-vrxpthkb6e
  • SHA256 74561e938b5a4d9966fa56ba62082b6bcc9deecbe62984d1ebfc7db34eaf9f17
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.remixtechnologies.com

  • Port

    587

  • Password

    sales@new123

Targets

    • Target
      AV_20000346_Jinfeng.exe
    • Size 1.2MB
    • SHA256 74561e938b5a4d9966fa56ba62082b6bcc9deecbe62984d1ebfc7db34eaf9f17
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • AgentTesla Payload

    • Clears Windows event logs

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Executes dropped EXE

    • 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