General

  • Target

    a7f4fe04262eb9349b0d95e6638903622f2348d8a197b5eb8937fc4eb1be1174

  • Size

    690KB

  • Sample

    240424-br35csde9x

  • MD5

    5f3fd22657bf0adfc057647d37085731

  • SHA1

    2dbb0499f14d803b4f7f38064703783a0c55feec

  • SHA256

    a7f4fe04262eb9349b0d95e6638903622f2348d8a197b5eb8937fc4eb1be1174

  • SHA512

    b2ccfda801941d9973eee76bc0dd83a1ab29fd272bc0b9e7890bb8e04ceda6689755e841f11b59d9e1fdbf60c73dfe06850d076be8fdf89db71192a8cdad09ea

  • SSDEEP

    12288:vPNpjsvRaQaeIzsVYem3KRl8j5mrAbSk2/m00UfVjo9zp84RagOUU:nNpjCbae9/mWlm+AYm072yqaBUU

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7144925531:AAFj5KN4HiQlwcqqHICdvh7iOOg5_U7HmZs/

Targets

    • Target

      a7f4fe04262eb9349b0d95e6638903622f2348d8a197b5eb8937fc4eb1be1174

    • Size

      690KB

    • MD5

      5f3fd22657bf0adfc057647d37085731

    • SHA1

      2dbb0499f14d803b4f7f38064703783a0c55feec

    • SHA256

      a7f4fe04262eb9349b0d95e6638903622f2348d8a197b5eb8937fc4eb1be1174

    • SHA512

      b2ccfda801941d9973eee76bc0dd83a1ab29fd272bc0b9e7890bb8e04ceda6689755e841f11b59d9e1fdbf60c73dfe06850d076be8fdf89db71192a8cdad09ea

    • SSDEEP

      12288:vPNpjsvRaQaeIzsVYem3KRl8j5mrAbSk2/m00UfVjo9zp84RagOUU:nNpjCbae9/mWlm+AYm072yqaBUU

    • AgentTesla

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • 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