General

  • Target

    JaffaCakes118_545eaa55c962df648708bb0bb01bcb28

  • Size

    770KB

  • Sample

    250107-hwl5za1rel

  • MD5

    545eaa55c962df648708bb0bb01bcb28

  • SHA1

    39e0c699f9bd668dc65561aef01451deeb41b073

  • SHA256

    138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef

  • SHA512

    4892171284b009dc58a0ea5a781006e52c1dc729e924f386749336b9e56880ecdf6f67e43bee9c8f26b345cfcaab4b53305cd78f33a04d1b3d6016db4a2684cb

  • SSDEEP

    12288:ccboBmYWu1Qr5U7k9mWSZSdM+r1RVIuggUJS:uWjrQwmfUvfOS

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.penavico--cz.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Fq$L%J((!6

Targets

    • Target

      JaffaCakes118_545eaa55c962df648708bb0bb01bcb28

    • Size

      770KB

    • MD5

      545eaa55c962df648708bb0bb01bcb28

    • SHA1

      39e0c699f9bd668dc65561aef01451deeb41b073

    • SHA256

      138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef

    • SHA512

      4892171284b009dc58a0ea5a781006e52c1dc729e924f386749336b9e56880ecdf6f67e43bee9c8f26b345cfcaab4b53305cd78f33a04d1b3d6016db4a2684cb

    • SSDEEP

      12288:ccboBmYWu1Qr5U7k9mWSZSdM+r1RVIuggUJS:uWjrQwmfUvfOS

    • AgentTesla

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

    • Agenttesla family

    • AgentTesla payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks