General

  • Target

    Halkbank_Ekstre_20191102_073809_405251-PDF.exe

  • Size

    628KB

  • Sample

    230414-mhm8bsah7x

  • MD5

    765dc6f495fa3f41195f2946cbfc1086

  • SHA1

    8c356c302cf5c77c2d4c48bfc4c6310a2bf36925

  • SHA256

    642caac35b91c7f6346536161060cb7f06ad8e5849ba771eafb0b247447bb64f

  • SHA512

    ddd6d3506019edc6c4ab2a19e2a46fc212f38dfa7c956074bed924661358f4876ac6cbe9eb467a6053c2f7fa234fccfc2a86e59285c2696e66e11e26fa4e6794

  • SSDEEP

    6144:kYa6bhk1nNYvjh9ot9XgnBfkuejsgCQJ4AFK3JRw9eo8zz9u:kYXsnNMDoLX4/ejsgChRXfz9u

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6199425271:AAHmRQWoG9dsWuMn08O_yjuqKOUZFeIKLIo/

Targets

    • Target

      Halkbank_Ekstre_20191102_073809_405251-PDF.exe

    • Size

      628KB

    • MD5

      765dc6f495fa3f41195f2946cbfc1086

    • SHA1

      8c356c302cf5c77c2d4c48bfc4c6310a2bf36925

    • SHA256

      642caac35b91c7f6346536161060cb7f06ad8e5849ba771eafb0b247447bb64f

    • SHA512

      ddd6d3506019edc6c4ab2a19e2a46fc212f38dfa7c956074bed924661358f4876ac6cbe9eb467a6053c2f7fa234fccfc2a86e59285c2696e66e11e26fa4e6794

    • SSDEEP

      6144:kYa6bhk1nNYvjh9ot9XgnBfkuejsgCQJ4AFK3JRw9eo8zz9u:kYXsnNMDoLX4/ejsgChRXfz9u

    • AgentTesla

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • 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 v6

Tasks