General

  • Target

    269e25fc0e57a2a1cbb6e3f01936142b4c6e8807d7e33960e5e8baf38ef3b631.exe

  • Size

    613KB

  • Sample

    240904-bk7h7ssarp

  • MD5

    b08c3e1fb6c0cbdc42114b397e5ca857

  • SHA1

    d638ca5e9a20072887e6418186753327853f5369

  • SHA256

    269e25fc0e57a2a1cbb6e3f01936142b4c6e8807d7e33960e5e8baf38ef3b631

  • SHA512

    ec3fa21261715461fe1d510fe1eabf4e232923cc5f6cfe6c343155632a129e514df81f6b366bc755ff04b9b2eafea7e682f9b295bac3d4b28923e0e3de4f85ff

  • SSDEEP

    12288:lzjLf30WH0obqvYCHXzcjWwyuMTtZqe5rfCslgldVMLv:9jj0yGzHw1MOSCKgXV6

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      269e25fc0e57a2a1cbb6e3f01936142b4c6e8807d7e33960e5e8baf38ef3b631.exe

    • Size

      613KB

    • MD5

      b08c3e1fb6c0cbdc42114b397e5ca857

    • SHA1

      d638ca5e9a20072887e6418186753327853f5369

    • SHA256

      269e25fc0e57a2a1cbb6e3f01936142b4c6e8807d7e33960e5e8baf38ef3b631

    • SHA512

      ec3fa21261715461fe1d510fe1eabf4e232923cc5f6cfe6c343155632a129e514df81f6b366bc755ff04b9b2eafea7e682f9b295bac3d4b28923e0e3de4f85ff

    • SSDEEP

      12288:lzjLf30WH0obqvYCHXzcjWwyuMTtZqe5rfCslgldVMLv:9jj0yGzHw1MOSCKgXV6

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks