General

  • Target

    JaffaCakes118_9113e90180121aef04bce6f955abcd3f

  • Size

    952KB

  • Sample

    250105-g5224sxmgq

  • MD5

    9113e90180121aef04bce6f955abcd3f

  • SHA1

    083ccca74257bafc6547a6e4bcb9b3c59703c076

  • SHA256

    74cf0cd3c6d97651a240bdcadef58f88a9f56e06ceaf9b247777a023a81583b4

  • SHA512

    ff67d25b1f9c8c917b18a982f195c98e14ad2a5073fc4b99b90e363bf61c450162ed19a61620a3ab1473670f4d2beb96d913cc1d78620c09ba51f002b81dc256

  • SSDEEP

    12288:1+Txbat6yWIWEYeozu38EF3FfC4f3R9fGUhG3xCVITuREvqkxQWXQJixJ8nitW9a:qC6yaEVK5w9uwG

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      JaffaCakes118_9113e90180121aef04bce6f955abcd3f

    • Size

      952KB

    • MD5

      9113e90180121aef04bce6f955abcd3f

    • SHA1

      083ccca74257bafc6547a6e4bcb9b3c59703c076

    • SHA256

      74cf0cd3c6d97651a240bdcadef58f88a9f56e06ceaf9b247777a023a81583b4

    • SHA512

      ff67d25b1f9c8c917b18a982f195c98e14ad2a5073fc4b99b90e363bf61c450162ed19a61620a3ab1473670f4d2beb96d913cc1d78620c09ba51f002b81dc256

    • SSDEEP

      12288:1+Txbat6yWIWEYeozu38EF3FfC4f3R9fGUhG3xCVITuREvqkxQWXQJixJ8nitW9a:qC6yaEVK5w9uwG

    • AgentTesla

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

    • Agenttesla family

    • AgentTesla payload

    • System Binary Proxy Execution: InstallUtil

      Abuse InstallUtil to proxy execution of malicious code.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks