General

  • Target

    657abefca3a067efed27912ee3acbf4adc2de26060183282a06dddc1dfdba24f

  • Size

    602KB

  • Sample

    230825-prappsbg24

  • MD5

    144dbe084df9fd6a96ca6899e533186f

  • SHA1

    fab8612eaca4b97378c6ffc6053c89d4c8cc922d

  • SHA256

    657abefca3a067efed27912ee3acbf4adc2de26060183282a06dddc1dfdba24f

  • SHA512

    21516c5a18d4476768678eec725954d71069aea456f6f9d8068549ee53ab4a5d4f0c65228cda995e6cdddc7020a5ccd08b0c60469d870ee1d200d4f262820cfa

  • SSDEEP

    12288:y26t3feQT4mXuELY2oJj9bWnRfrXkatHVSpnWtHtjH:y7fei/ukIKt3egb

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ftleather.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Yahoo4400xyz#@

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Proforma Invoice.exe

    • Size

      776KB

    • MD5

      f9cb2f249cdf8cb6995dfe1b9cf5d858

    • SHA1

      a687e811e04a000c1d8b6c83a2576c9c40921838

    • SHA256

      2de2f4be0dec8d27511c5a9dddf443c34f60ff43de22a9e6f3b575e984f74026

    • SHA512

      fe3312ad9b30dd6c68b86d035f15ce177fdab42ac27cc56d89a0764e782e6b840bcdb66843b5cea15a39a48146cb3fc594516c65902ad5f3c0701e5f129291db

    • SSDEEP

      12288:88cPVgEWi1rN35H69YSCyFLXprXmutHVSLNdxxKR:VcNghi1rzrSCyFpjc/0

    • AgentTesla

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

    • 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