General

  • Target

    da1ccaece875c6bbd1be6aea06f56148d3c3f51e1c86c6f0178df51672275d27

  • Size

    716KB

  • Sample

    250117-bzplyaymbp

  • MD5

    31d909da217b962f0569defac17363a1

  • SHA1

    4c3c4912ee6d48d75cb2e9374b1a347118262f64

  • SHA256

    da1ccaece875c6bbd1be6aea06f56148d3c3f51e1c86c6f0178df51672275d27

  • SHA512

    f9df5c00f7d7e716bbe871d496ad0732ec7c51ecbbdb3bd8859ad0125658f2742e10d795cd832795fc440eaa60ea49a74bdd3b1431bd35426e3bc794a96715d5

  • SSDEEP

    6144:hWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1v9Dj:hz7IFjvelQypyfy7z6u7+4Dv9Dj

Malware Config

Extracted

Credentials

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

Targets

    • Target

      da1ccaece875c6bbd1be6aea06f56148d3c3f51e1c86c6f0178df51672275d27

    • Size

      716KB

    • MD5

      31d909da217b962f0569defac17363a1

    • SHA1

      4c3c4912ee6d48d75cb2e9374b1a347118262f64

    • SHA256

      da1ccaece875c6bbd1be6aea06f56148d3c3f51e1c86c6f0178df51672275d27

    • SHA512

      f9df5c00f7d7e716bbe871d496ad0732ec7c51ecbbdb3bd8859ad0125658f2742e10d795cd832795fc440eaa60ea49a74bdd3b1431bd35426e3bc794a96715d5

    • SSDEEP

      6144:hWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1v9Dj:hz7IFjvelQypyfy7z6u7+4Dv9Dj

    • 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