General

  • Target

    Halkbank_Ekstre_20230920_073809_405251-PDF.exe

  • Size

    875KB

  • Sample

    230922-scz8lagg8w

  • MD5

    bd55f70fb2b3e6a3b87a0f169c10f93e

  • SHA1

    819e19181a737729f190a9bab367f28b81a899d5

  • SHA256

    b0b1d6f5cf28c2c898a171fc9ee03ad187101ecc26fcd9c184fd925a006c7524

  • SHA512

    f9f643bd288c04be97421a5e2b78d483dfac2ed071d970b31595e0435a6c69b6b63b680fb929ea9b3d721c0ca399119eb9985f1a78bd8d30aa0a9b72fbf9e19c

  • SSDEEP

    12288:itHiMJrD6Hu33GRDtCoGAZdnnrlsvM1vT8yEQ2WANvW+xzDtBq2jcD1YiP7r9r/q:chDcx/CuBxhoDlNvW8D62Sf1q

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6315598701:AAF2CsdeWHvEuw0HSURtUQQu4FuqwvM5AOA/

Targets

    • Target

      Halkbank_Ekstre_20230920_073809_405251-PDF.exe

    • Size

      875KB

    • MD5

      bd55f70fb2b3e6a3b87a0f169c10f93e

    • SHA1

      819e19181a737729f190a9bab367f28b81a899d5

    • SHA256

      b0b1d6f5cf28c2c898a171fc9ee03ad187101ecc26fcd9c184fd925a006c7524

    • SHA512

      f9f643bd288c04be97421a5e2b78d483dfac2ed071d970b31595e0435a6c69b6b63b680fb929ea9b3d721c0ca399119eb9985f1a78bd8d30aa0a9b72fbf9e19c

    • SSDEEP

      12288:itHiMJrD6Hu33GRDtCoGAZdnnrlsvM1vT8yEQ2WANvW+xzDtBq2jcD1YiP7r9r/q:chDcx/CuBxhoDlNvW8D62Sf1q

    • 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 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 v15

Tasks