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Luna ransomware

Ransomware Luna baru mengenkripsi sistem Windows, Linux, dan ESXi

July 21, 2022 by Eevee

Keluarga ransomware baru yang dijuluki Luna dapat digunakan untuk mengenkripsi perangkat yang menjalankan beberapa sistem operasi, termasuk sistem Windows, Linux, dan ESXi.

Ditemukan oleh peneliti keamanan Kaspersky melalui iklan forum ransomware web gelap yang ditemukan oleh sistem pemantauan aktif Darknet Threat Intelligence perusahaan, Luna ransomware tampaknya dirancang khusus untuk digunakan hanya oleh aktor ancaman berbahasa Rusia.

Luna (Rusia untuk bulan) adalah ransomware yang sangat sederhana yang masih dalam pengembangan dan dengan kemampuan terbatas berdasarkan opsi baris perintah yang tersedia.

Namun, ia menggunakan skema enkripsi yang tidak umum, menggabungkan kurva elips X25519 yang cepat dan aman, pertukaran kunci Diffie-Hellman menggunakan Curve25519 dengan algoritma enkripsi simetris Advanced Encryption Standard (AES).

Argumen baris perintah ransomware Luna (Kaspersky)

Grup di balik ransomware baru ini mengembangkan jenis baru di Rust dan memanfaatkan sifat platform-agnostiknya untuk memindahkannya ke berbagai platform dengan sangat sedikit perubahan pada kode sumber.

Menggunakan bahasa lintas platform juga memungkinkan Luna ransomware untuk menghindari upaya analisis kode statis otomatis.

Luna lebih lanjut mengkonfirmasi tren terbaru yang diadopsi oleh geng kejahatan dunia maya yang mengembangkan ransomware lintas platform yang menggunakan bahasa seperti Rust dan Golang untuk membuat malware yang mampu menargetkan beberapa sistem operasi dengan sedikit atau tanpa perubahan.

Kaspersky mengatakan ada sangat sedikit data tentang korban yang telah dienkripsi menggunakan Luna ransomware, jika ada, mengingat kelompok itu baru saja ditemukan dan aktivitasnya masih dipantau.

Keluarga ransomware baru lainnya di bulan ini termasuk Lilith, ransomware berbasis konsol C/C++ yang menargetkan perangkat Windows 64-bit, dan 0mega, operasi ransomware baru yang menargetkan perusahaan sejak Mei dan menuntut tebusan jutaan dolar.

Keduanya dikenal mencuri data dari jaringan korban sebelum mengenkripsi sistem mereka untuk mendukung serangan pemerasan ganda mereka.

Sumber: Bleeping Computer

Tagged With: ESXi, Linux, Luna ransomware, Windows

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