General

  • Target

    49801fd886f247d6ceaf711e79c0c6f27d6e1e2c83a0e91282b81e36d17d08bd

  • Size

    730KB

  • Sample

    250117-bftrjsxkb1

  • MD5

    bacdc65f2a0c72a5819987becf60ccb1

  • SHA1

    d36830a79815415a190f54ea9638217f4b4c9d17

  • SHA256

    49801fd886f247d6ceaf711e79c0c6f27d6e1e2c83a0e91282b81e36d17d08bd

  • SHA512

    1e0cb74190e55f65a7350d7baba203b2aeb13fccdbc106cb45aa2f2d4394f59e1a140d7fa64e16b4ac88a21a8fd3ef983e9b50061d7dea90f71c6beaea29cd33

  • SSDEEP

    6144:qWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1vbMa:qz7IFjvelQypyfy7z6u7+4DvbMa

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Boy12345#

Targets

    • Target

      49801fd886f247d6ceaf711e79c0c6f27d6e1e2c83a0e91282b81e36d17d08bd

    • Size

      730KB

    • MD5

      bacdc65f2a0c72a5819987becf60ccb1

    • SHA1

      d36830a79815415a190f54ea9638217f4b4c9d17

    • SHA256

      49801fd886f247d6ceaf711e79c0c6f27d6e1e2c83a0e91282b81e36d17d08bd

    • SHA512

      1e0cb74190e55f65a7350d7baba203b2aeb13fccdbc106cb45aa2f2d4394f59e1a140d7fa64e16b4ac88a21a8fd3ef983e9b50061d7dea90f71c6beaea29cd33

    • SSDEEP

      6144:qWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1vbMa:qz7IFjvelQypyfy7z6u7+4DvbMa

    • Checks computer location settings

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

    • 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

    • 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