General

  • Target

    f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118

  • Size

    431KB

  • Sample

    240926-gd82catcpe

  • MD5

    f7b17bb57612e00afb7f7c10b23fba8d

  • SHA1

    9a1a359906db1cdec9a2538cb5a6956985384bf3

  • SHA256

    ca5571dd39e2f7364b198e5d3a7a6fa034edb8c06d4c9ea2e96041f3e53196d9

  • SHA512

    a20d842b62fbf9f7aeb2a05d3b9726ce6e0112f03b72c885e3d1af087f38652ff19098abc1a7debb15267de9d92e53d36a4ae61d00a31e888f9316a6041c3700

  • SSDEEP

    6144:J5iXq4NYHjLS1hxUeYALIfv7vIVVxJ10C7zd6J8alAJC+C0:Ox2HUhOeYALI3TIjxrTzeXc

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1and1.es
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    elsecreto2019

Targets

    • Target

      f7b17bb57612e00afb7f7c10b23fba8d_JaffaCakes118

    • Size

      431KB

    • MD5

      f7b17bb57612e00afb7f7c10b23fba8d

    • SHA1

      9a1a359906db1cdec9a2538cb5a6956985384bf3

    • SHA256

      ca5571dd39e2f7364b198e5d3a7a6fa034edb8c06d4c9ea2e96041f3e53196d9

    • SHA512

      a20d842b62fbf9f7aeb2a05d3b9726ce6e0112f03b72c885e3d1af087f38652ff19098abc1a7debb15267de9d92e53d36a4ae61d00a31e888f9316a6041c3700

    • SSDEEP

      6144:J5iXq4NYHjLS1hxUeYALIfv7vIVVxJ10C7zd6J8alAJC+C0:Ox2HUhOeYALI3TIjxrTzeXc

    • AgentTesla

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

    • AgentTesla payload

    • System Binary Proxy Execution: InstallUtil

      Abuse InstallUtil to proxy execution of malicious code.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks