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General

  • Target

    09ee7a2fe2c759f4d4f79fe6c278879bd06dc11aa56990f53ff968920f83196c.rar

  • Size

    649KB

  • Sample

    240609-behynabb7t

  • MD5

    0269940033a62ea3e5055688888ad2c4

  • SHA1

    3e5f8d5594988bb77ff4355c66859c5c6d7cf301

  • SHA256

    09ee7a2fe2c759f4d4f79fe6c278879bd06dc11aa56990f53ff968920f83196c

  • SHA512

    84f0235ed15800c273efa9649b2dfb6e739e2414e59390958862230f0f4919e3e675e00e4adda49965e8142552ea641799fddb8f19a7e26074a8d9b277f200ff

  • SSDEEP

    12288:ahQ3lU4QhjrGPmvb0aq1P5hhrbBnkBaTtiUoD4DWIUh7QrsgGH:anJjnb0aqJ5h5AaTti5D4yIUhUrsgGH

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    xhcgmrubwdhylrry

Targets

    • Target

      PRE-ADVISE PO 45202549.exe

    • Size

      731KB

    • MD5

      cb95734e59b6b649c53ebae76634a05c

    • SHA1

      2211f611f66a45c94079c99d9e43bf9c1309c498

    • SHA256

      73c5c4b12646631dbf1e8adf10b52b8635b34d02d753d3fe829bd41210f547f0

    • SHA512

      b92e3656eaa0d0de42daf45feb572f387c9cb4163e0657e80dcf51dd85c703c646fd1a751160f7c1149824cf41cf45fd3e08cef9323e3b29006983652a4c7731

    • SSDEEP

      12288:RgsEDqiqyJMEFFYRqXHkgiANPvzB6GLPmgMuJHC9YGvmxa7hyGlvdPR/Ue77P578:Ge5OLFTXHkgiMPl6G7quJim0mcFyGTPm

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks