General

  • Target

    aa4a12fce9e052cdea99d277d222a6f9

  • Size

    2.2MB

  • Sample

    240227-15vskscg85

  • MD5

    aa4a12fce9e052cdea99d277d222a6f9

  • SHA1

    ece4723661a64a169d139d7cf6c17dbc5b608695

  • SHA256

    45719f60df4e313a597a446478a2bfb629e28ee399f40b9b816f59af3bd51ba5

  • SHA512

    f0bbfbd8476f0c6d280c69d677751b3fadb5cdeddd1ebb1bb1e033e9783c25287fc3483c3dec72cbfa72265777a0e6cba465a22f5c2add9bbce7ae9fd04bdea9

  • SSDEEP

    49152:Foh8rPf5W1hjfjt+rWbrnVi5cYkkOhCOByCtHPXltn9l/ulNUqr4J3aqusqDRn9r:FyafAn/trDVNf3E2/y0FORN

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Great@12345

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Great@12345

Targets

    • Target

      aa4a12fce9e052cdea99d277d222a6f9

    • Size

      2.2MB

    • MD5

      aa4a12fce9e052cdea99d277d222a6f9

    • SHA1

      ece4723661a64a169d139d7cf6c17dbc5b608695

    • SHA256

      45719f60df4e313a597a446478a2bfb629e28ee399f40b9b816f59af3bd51ba5

    • SHA512

      f0bbfbd8476f0c6d280c69d677751b3fadb5cdeddd1ebb1bb1e033e9783c25287fc3483c3dec72cbfa72265777a0e6cba465a22f5c2add9bbce7ae9fd04bdea9

    • SSDEEP

      49152:Foh8rPf5W1hjfjt+rWbrnVi5cYkkOhCOByCtHPXltn9l/ulNUqr4J3aqusqDRn9r:FyafAn/trDVNf3E2/y0FORN

    • AgentTesla

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

    • AgentTesla payload

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks