General

  • Target
    New Inquiry PR #270473. 05.10.2021.xlxs.exe
  • Size 509KB
  • Sample211005-kz2e6shee4
  • SHA256 8664bd0c09f992c53b0db3db2b6d5b5a14802fc7dd98d2e820d2df78fd26764e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    smtp.yandex.com

  • Port

    587

  • Password

    mosqueboy100

Targets

    • Target
      New Inquiry PR #270473. 05.10.2021.xlxs.exe
    • Size 509KB
    • SHA256 8664bd0c09f992c53b0db3db2b6d5b5a14802fc7dd98d2e820d2df78fd26764e
    • 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.

    • 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