General

  • Target
    WO-File.PDF.exe
  • Size 416KB
  • Sample201109-n57fvdjvte
  • SHA256 c87b319c28a538e76b2f86f21b68efa15581c90c727d36d4fd415a9d899e59dd
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.pro-powersourcing.com

  • Port

    587

  • Password

    china1977

Targets

    • Target
      WO-File.PDF.exe
    • Size 416KB
    • SHA256 c87b319c28a538e76b2f86f21b68efa15581c90c727d36d4fd415a9d899e59dd
    • 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

    • rezer0

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

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

    • 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