General

  • Target
    Tender notification05.04..2022.doc.exe
  • Size 842KB
  • Sample220406-v2l4dacefl
  • SHA256 fe1f268ea15153b6f0e9935ce18b75a2da354ab2f84c3662b29e21054bf2cc22
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    mosqueboy100

Targets

    • Target
      Tender notification05.04..2022.doc.exe
    • Size 842KB
    • SHA256 fe1f268ea15153b6f0e9935ce18b75a2da354ab2f84c3662b29e21054bf2cc22
    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Accesses Microsoft Outlook profiles

    • 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