General

  • Target

    1.bat

  • Size

    2.9MB

  • Sample

    240625-rprxbaveka

  • MD5

    c70c6ef31009b1dcaabac917a5976520

  • SHA1

    d91d716b11ea03c3d299ea65009c7eac5be4ab4f

  • SHA256

    0ea4c64b383a6a1a0f8913d5d7112426db8e2ccb5fbf7a1904138b956287d9cb

  • SHA512

    0b1ab7343c383419130a9bec3b87c88ccc10b552790c6c6ac8929399cc753076a1e4ea670e7554011097bd016f95126f7eb80ea1da53b006755ad394c9a1f2aa

  • SSDEEP

    49152:bpFkOlD09exKAqttG9uGqW2dHgAzh8p70ig1fymmwbj5XDV:U

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      1.bat

    • Size

      2.9MB

    • MD5

      c70c6ef31009b1dcaabac917a5976520

    • SHA1

      d91d716b11ea03c3d299ea65009c7eac5be4ab4f

    • SHA256

      0ea4c64b383a6a1a0f8913d5d7112426db8e2ccb5fbf7a1904138b956287d9cb

    • SHA512

      0b1ab7343c383419130a9bec3b87c88ccc10b552790c6c6ac8929399cc753076a1e4ea670e7554011097bd016f95126f7eb80ea1da53b006755ad394c9a1f2aa

    • SSDEEP

      49152:bpFkOlD09exKAqttG9uGqW2dHgAzh8p70ig1fymmwbj5XDV:U

    • AgentTesla

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

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Executes dropped EXE

    • 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.

    • 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