General

  • Target
    order2020.PDF.exe
  • Size 4.2MB
  • Sample201116-rrj5kafptj
  • SHA256 b9ded28215d2cba3bbb693e7ee98ca1798eab3c0ef16e5730cc9fc7f8d199f59
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    web2.changeip.com

  • Port

    587

  • Password

    2*xaR!aKyovu

Extracted

Credentials
  • Protocol

    smtp

  • Host

    web2.changeip.com

  • Port

    587

  • Password

    2*xaR!aKyovu

Targets

    • Target
      order2020.PDF.exe
    • Size 4.2MB
    • SHA256 b9ded28215d2cba3bbb693e7ee98ca1798eab3c0ef16e5730cc9fc7f8d199f59
    • MD5 SHA1 SHA512
    • AgentTesla

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

    • Modifies WinLogon for persistence

    • Modifies Windows Defender Real-time Protection settings

    • Turns off Windows Defender SpyNet reporting

    • Windows security bypass

    • AgentTesla Payload

    • Drops startup file

    • 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.

    • Windows security modification

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks