General

  • Target
    01_file.exe
  • Size 1.8MB
  • Sample201114-lsqx99ptfx
  • SHA256 4c482b22456df2e37106d59a8afeccdeb736ee89b13b3de6968acee2f3ce9f25
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.hkcostarn.com

  • Port

    587

  • Password

    result@123

Targets

    • Target
      01_file.exe
    • Size 1.8MB
    • SHA256 4c482b22456df2e37106d59a8afeccdeb736ee89b13b3de6968acee2f3ce9f25
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • Modifies WinLogon for persistence

    • AgentTesla Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Drops startup file

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks