General

  • Target

    Payment Advice.pdf..exe

  • Size

    866KB

  • Sample

    210416-z8dhwrlvsx

  • MD5

    4a3d5a4a2dc407cebfc5931be709064d

  • SHA1

    4af07e40fbf839e188206ecc31c8e21148abcd67

  • SHA256

    165064cd4b06721491a3d57b5e111faddb9cf6ff0b448b4d5387bb1eb8bb62f2

  • SHA512

    2748cd53a6d79c4ac7eff49cbf0e0f4a585a23bb5c4c55159cf22c9dc080117d9e38c88ca69644c32d062fa802c60a3eb9e109cbae06b869895dd1d6fbca26b2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lallyautomobiles.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Welcome@2021

Targets

    • Target

      Payment Advice.pdf..exe

    • Size

      866KB

    • MD5

      4a3d5a4a2dc407cebfc5931be709064d

    • SHA1

      4af07e40fbf839e188206ecc31c8e21148abcd67

    • SHA256

      165064cd4b06721491a3d57b5e111faddb9cf6ff0b448b4d5387bb1eb8bb62f2

    • SHA512

      2748cd53a6d79c4ac7eff49cbf0e0f4a585a23bb5c4c55159cf22c9dc080117d9e38c88ca69644c32d062fa802c60a3eb9e109cbae06b869895dd1d6fbca26b2

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks