General

  • Target

    9d33d6e6f5c8d96980bb2774d72d8f2a8dfe3a29674b69f125ffb03bbcac6068.exe

  • Size

    850KB

  • Sample

    240612-cbnv6sycjj

  • MD5

    3fb1255c6fc904518978ece4e7bce0cd

  • SHA1

    f84bf2121460553535095caede084fcd468d2517

  • SHA256

    9d33d6e6f5c8d96980bb2774d72d8f2a8dfe3a29674b69f125ffb03bbcac6068

  • SHA512

    6a64628308dd1c75761386e9d6b5fe11326b8204ecbe5045390e2fedcaf8c12ea983ad74b3908d7e4973de8d6e26ebcb045d901ccda52bb50d901b58a35caeba

  • SSDEEP

    24576:7g61jjk0LAta9APDIYLVmH5ocl7acZOEJ:C9xGGINZOE

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ab+LNvim5PAo

Targets

    • Target

      9d33d6e6f5c8d96980bb2774d72d8f2a8dfe3a29674b69f125ffb03bbcac6068.exe

    • Size

      850KB

    • MD5

      3fb1255c6fc904518978ece4e7bce0cd

    • SHA1

      f84bf2121460553535095caede084fcd468d2517

    • SHA256

      9d33d6e6f5c8d96980bb2774d72d8f2a8dfe3a29674b69f125ffb03bbcac6068

    • SHA512

      6a64628308dd1c75761386e9d6b5fe11326b8204ecbe5045390e2fedcaf8c12ea983ad74b3908d7e4973de8d6e26ebcb045d901ccda52bb50d901b58a35caeba

    • SSDEEP

      24576:7g61jjk0LAta9APDIYLVmH5ocl7acZOEJ:C9xGGINZOE

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks