General

  • Target

    d7a590b5370c61bc4bd66581b7d451ffd3da31b38366a737e72de66f26d770a7

  • Size

    749KB

  • Sample

    250117-bfs51sxqcn

  • MD5

    f9996e1326b6c7d98700e194e0129aa3

  • SHA1

    2854efb45ecf8cd2390c8caef1b9649faf34c4f2

  • SHA256

    d7a590b5370c61bc4bd66581b7d451ffd3da31b38366a737e72de66f26d770a7

  • SHA512

    89d7a306c805cdaaf85d92682b8e769bcaa0e588864cd0f356488cec82150c9f381774cc85f4d4fa7c26a6b6cb8acbd5cb535e486df424a54c40b2801209e211

  • SSDEEP

    6144:VWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1372z:Vz7IFjvelQypyfy7z6u7+4D372z

Malware Config

Extracted

Credentials

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

Targets

    • Target

      d7a590b5370c61bc4bd66581b7d451ffd3da31b38366a737e72de66f26d770a7

    • Size

      749KB

    • MD5

      f9996e1326b6c7d98700e194e0129aa3

    • SHA1

      2854efb45ecf8cd2390c8caef1b9649faf34c4f2

    • SHA256

      d7a590b5370c61bc4bd66581b7d451ffd3da31b38366a737e72de66f26d770a7

    • SHA512

      89d7a306c805cdaaf85d92682b8e769bcaa0e588864cd0f356488cec82150c9f381774cc85f4d4fa7c26a6b6cb8acbd5cb535e486df424a54c40b2801209e211

    • SSDEEP

      6144:VWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1372z:Vz7IFjvelQypyfy7z6u7+4D372z

    • 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