General

  • Target
    Purchase Order PO#208158.exe
  • Size 858KB
  • Sample201014-7zfsfb11t2
  • SHA256 fc7ebe6c552a74ca5ad5f273e569c81b3c8aa18e69a70dbb18e8b3a0105888b1
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.anartem.pt

  • Port

    587

  • Password

    oo=GI1st9,Nq

Targets

    • Target
      Purchase Order PO#208158.exe
    • Size 858KB
    • SHA256 fc7ebe6c552a74ca5ad5f273e569c81b3c8aa18e69a70dbb18e8b3a0105888b1
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • 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.

    • 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

    • Maps connected drives based on registry

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks