General

  • Target

    8b93ca9fb6445b74b0f616ee70a8d8c3888c9e4b8e2c0c1dbbab083208927afb

  • Size

    729KB

  • Sample

    250117-b2zvpaxqbz

  • MD5

    f3399cb8b439e82e45f299b7bbd46f44

  • SHA1

    4938689820a0e0013883fd66b577f59c47125150

  • SHA256

    8b93ca9fb6445b74b0f616ee70a8d8c3888c9e4b8e2c0c1dbbab083208927afb

  • SHA512

    30045b4bda05130917e3c31bb4c8f3e36c3254eef92ffee63248f4af06da117a3af686370fed8252405c43ff7de8fcec171709b886db04ca518ef4346ba5586b

  • SSDEEP

    6144:QWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1v9DI:Qz7IFjvelQypyfy7z6u7+4Dv9DI

Malware Config

Extracted

Credentials

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

Targets

    • Target

      8b93ca9fb6445b74b0f616ee70a8d8c3888c9e4b8e2c0c1dbbab083208927afb

    • Size

      729KB

    • MD5

      f3399cb8b439e82e45f299b7bbd46f44

    • SHA1

      4938689820a0e0013883fd66b577f59c47125150

    • SHA256

      8b93ca9fb6445b74b0f616ee70a8d8c3888c9e4b8e2c0c1dbbab083208927afb

    • SHA512

      30045b4bda05130917e3c31bb4c8f3e36c3254eef92ffee63248f4af06da117a3af686370fed8252405c43ff7de8fcec171709b886db04ca518ef4346ba5586b

    • SSDEEP

      6144:QWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1v9DI:Qz7IFjvelQypyfy7z6u7+4Dv9DI

    • 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