General

  • Target

    8fd73ae7fb9da6bf5d793b56d1cd12a0f2cd342236cca599fb92ecdc1ea700da.exe

  • Size

    855KB

  • Sample

    240612-b6eqbayark

  • MD5

    ee2b547c344606df4e8b4fc1114274c4

  • SHA1

    dff9650c7ec6e71612c4e7af46cf4cafef69b2c1

  • SHA256

    8fd73ae7fb9da6bf5d793b56d1cd12a0f2cd342236cca599fb92ecdc1ea700da

  • SHA512

    2a69297894eeaafa4e259cfc06cc5ea149323255d0c466dc08dc8d792c9a8b3022a17e94b125b7a140c41dea93a23dea8702db2b5ccf2a00d0226181eac470b1

  • SSDEEP

    24576:Ng61jjk0LAta9AYZDIKkK2+W5LVrfagz:dFkh37am

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      8fd73ae7fb9da6bf5d793b56d1cd12a0f2cd342236cca599fb92ecdc1ea700da.exe

    • Size

      855KB

    • MD5

      ee2b547c344606df4e8b4fc1114274c4

    • SHA1

      dff9650c7ec6e71612c4e7af46cf4cafef69b2c1

    • SHA256

      8fd73ae7fb9da6bf5d793b56d1cd12a0f2cd342236cca599fb92ecdc1ea700da

    • SHA512

      2a69297894eeaafa4e259cfc06cc5ea149323255d0c466dc08dc8d792c9a8b3022a17e94b125b7a140c41dea93a23dea8702db2b5ccf2a00d0226181eac470b1

    • SSDEEP

      24576:Ng61jjk0LAta9AYZDIKkK2+W5LVrfagz:dFkh37am

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks