General

  • Target

    purchase orders.rar

  • Size

    427KB

  • Sample

    211021-naxbpsbafj

  • MD5

    037a27744189ecdece45a768862b4e99

  • SHA1

    5f1ef36dd607c920df7d2aa9d9cdf163b2a48a7d

  • SHA256

    b5cd58d509b54339937f39448e339708217445332f265a1e9ac7f42eb67656fe

  • SHA512

    b4569bb5cb46ecbec90dcfc3c9ab3458fff90ac3f88317685f6ccb593861841097ba71533865dd54656d4200a6f571e8fb1d571633e695a6cc2dc8ec8f84eebd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.diva-italia.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    rr.@%5LjgLz7

Targets

    • Target

      purchase orders.exe

    • Size

      488KB

    • MD5

      2c2d3105123454cc637f36f4d87538ef

    • SHA1

      2548b73e24f969c2fb9d780683c3f573e265a451

    • SHA256

      fdd016077ae901b6249b71415d30c134ff7c7a44e00c2e78027d2537ac9be019

    • SHA512

      a7fdb428c7f7cde14a7509c61db2204a315cf7200e3545d4777564c27f2f887cce0ffbaffc2887f60ccdb99e2bb02d5882ca3a58933c9ea9bc81110cdff69c63

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks