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South America

Pengguna Brazilian Banking Terancam Trojan Android BrasDex Baru

December 21, 2022 by Coffee Bean

Pelaku ancaman di balik malware perbankan Windows yang dikenal sebagai Casbaneiro telah dikaitkan sebagai dibalik trojan Android baru bernama BrasDex yang telah diamati menargetkan pengguna Brasil sebagai bagian dari kampanye multi-platform yang sedang berlangsung.

BrasDex menampilkan “sistem keylogging kompleks yang dirancang untuk menyalahgunakan Layanan Aksesibilitas untuk mengekstraksi kredensial secara khusus dari serangkaian aplikasi yang ditargetkan di Brasil. yang diketahui menyerang bank dan layanan mata uang kripto di Brasil dan Meksiko.

BrasDex, yang menyamar sebagai aplikasi perbankan untuk Banco Santander, juga melambangkan tren baru yang melibatkan penyalahgunaan API Aksesibilitas Android untuk mencatat penekanan tombol yang dimasukkan oleh korban, beralih dari metode serangan overlay tradisional untuk mencuri kredensial dan data pribadi lainnya.

Itu juga direkayasa untuk menangkap informasi saldo akun, kemudian menggunakannya untuk mengambil alih perangkat yang terinfeksi dan memulai transaksi penipuan dengan cara terprogram.

Ini bukan pertama kalinya ekosistem pembayaran instan menjadi sasaran pelaku kejahatan. Pada September 2021

Investigasi ThreatFabric terhadap BrasDex juga memungkinkannya mendapatkan akses ke panel C2 yang digunakan oleh operator kriminal untuk melacak perangkat yang terinfeksi dan mengambil log data yang diambil dari ponsel Android.

Rantai serangan ini menggunakan umpan phishing bertema pengiriman paket yang mengaku berasal dari Correios, layanan pos milik negara, untuk menipu penerima agar mengeksekusi malware mengikuti proses multi-tahap.

Kasus BrasDex menunjukkan perlunya mekanisme deteksi dan pencegahan penipuan pada perangkat pelanggan: Pembayaran penipuan yang dilakukan secara otomatis dengan bantuan mesin ATS tampaknya sah untuk backend bank dan mesin penilaian penipuan, karena dilakukan melalui perangkat yang sama yang biasanya digunakan oleh pelanggan.

sumber : the hackernews

Tagged With: Banking Trojan, Brazil, Cyber Attack, Cybersecurity, Mobile Security, Trojan, trojan mobile banking

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