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General

  • Target

    Halkbank_Ekstre_20230922_080757_783952.pdf.exe

  • Size

    681KB

  • Sample

    230922-scqzxsaf96

  • MD5

    53483243c640b8970c9a3ff9104566fa

  • SHA1

    d37897805dbb2cb3baa073632a945d09f2e63681

  • SHA256

    8c9aaf55abdaf2a893d56dc0ff3f3e37ec100a6e0ad0adf82f2cff4997112e12

  • SHA512

    7389847c1c3b7ace48043bb43c2daa5bdf9f9ad7bf57b74062e8f6f044fcc4d4150a5627409a7676178bf9aee91eba6cf2089c472e2da10151bd405d38411eb6

  • SSDEEP

    12288:JrD6YuMnVTZsTvHAJ/FvspW+Pz7IEfwxechfKTxdIl0HKSzTKp0K:hD9uMnVdsTYJ/Ts/IYwxDudbhK

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.netre-agro.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Calidon@2023

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Halkbank_Ekstre_20230922_080757_783952.pdf.exe

    • Size

      681KB

    • MD5

      53483243c640b8970c9a3ff9104566fa

    • SHA1

      d37897805dbb2cb3baa073632a945d09f2e63681

    • SHA256

      8c9aaf55abdaf2a893d56dc0ff3f3e37ec100a6e0ad0adf82f2cff4997112e12

    • SHA512

      7389847c1c3b7ace48043bb43c2daa5bdf9f9ad7bf57b74062e8f6f044fcc4d4150a5627409a7676178bf9aee91eba6cf2089c472e2da10151bd405d38411eb6

    • SSDEEP

      12288:JrD6YuMnVTZsTvHAJ/FvspW+Pz7IEfwxechfKTxdIl0HKSzTKp0K:hD9uMnVdsTYJ/Ts/IYwxDudbhK

    • 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

    • 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