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You are here: Home / News / Grup ‘Donut’ Mulai Menyerang Korban dengan Ransomware

Grup ‘Donut’ Mulai Menyerang Korban dengan Ransomware

November 23, 2022 by Coffee Bean

Grup pemerasan Donut (D0nut) telah dikonfirmasi untuk menyebarkan ransomware dalam serangan pemerasan ganda pada perusahaan perusahaan.

Anehnya, data untuk Sando dan DESFA juga diposting ke beberapa situs operasi ransomware, dengan serangan Sando diklaim oleh ransomware Hive dan DESFA diklaim oleh Ragnar Locker.

Ransomware Donut
Minggu ini, BleepingComputer menemukan sampel [VirusTotal] dari sebuah encryptor untuk operasi Donut, alias D0nut, yang menunjukkan bahwa grup tersebut menggunakan ransomware yang disesuaikan sendiri untuk serangan pemerasan ganda.

Saat file dienkripsi, ransomware Donut akan menambahkan ekstensi .d0nut ke file terenkripsi. Jadi, misalnya 1.jpg akan dienkripsi dan diganti namanya menjadi 1.jpg.d0nut, seperti yang ditunjukkan di bawah ini.

File dienkripsi oleh Donut Ransomware
Sumber: BleepingComputer

Operasi Donut Leaks memiliki bakat untuk sandiwara, menggunakan grafik yang menarik, sedikit humor, dan bahkan menawarkan pembangun untuk dapat dieksekusi yang bertindak sebagai pintu gerbang ke situs kebocoran data Tor mereka (lihat di bawah).

Nota Ransom Donut

Catatan ransomware lain yang dilihat oleh BleepingComputer berpura-pura menjadi prompt perintah yang menampilkan kesalahan PowerShell, yang kemudian mencetak catatan tebusan bergulir.

Catatan tebusan sangat dikaburkan untuk menghindari deteksi, dengan semua string dikodekan dan JavaScript mendekode catatan tebusan di browser.

Operasi Donut ransomware juga menyertakan “pembangun” di situs kebocoran data mereka yang terdiri dari skrip bash untuk membuat aplikasi Windows dan Linux Electron dengan klien Tor yang dibundel untuk mengakses situs kebocoran data mereka.

Aplikasi elektron D0nut ransomware

Secara keseluruhan, kelompok pemerasan ini adalah salah satu yang harus diperhatikan, tidak hanya karena keterampilan mereka yang tampak tetapi juga kemampuan mereka untuk memasarkan diri mereka sendiri.

sumber : bleeping computer

Tagged With: Donut Leaks, double extention, Extortion, ransomwa

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