General

  • Target
    Halkbank_Ekstre_20191102_073809_405251-PDF.exe
  • Size 623KB
  • Sample230421-s8shmaae2s
  • SHA256 dd9b460fcb30009b31df7cafc33c7a3d4b058b2841bf34a4322f1724db932c5f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot6261006732:AAFiMpPz79k5Wkkw0xvICpfaipqXFQbQmmo/

Targets

    • Target
      Halkbank_Ekstre_20191102_073809_405251-PDF.exe
    • Size 623KB
    • SHA256 dd9b460fcb30009b31df7cafc33c7a3d4b058b2841bf34a4322f1724db932c5f
    • MD5 SHA1 SHA512 SSDEEP
    • 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