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double-extortion attacks

Ransomware 0mega baru menargetkan bisnis dalam serangan pemerasan ganda

July 11, 2022 by Eevee

Operasi ransomware baru bernama ‘0mega’ menargetkan organisasi di seluruh dunia dalam serangan pemerasan ganda dan menuntut uang tebusan jutaan dolar.

0mega adalah operasi ransomware baru yang diluncurkan pada Mei 2022 dan telah menyerang banyak korban sejak saat itu.

Sampel ransomware untuk operasi 0mega belum ditemukan, oleh karena itu tidak banyak informasi tentang bagaimana file dienkripsi.

Namun, kita tahu bahwa ransomware menambahkan ekstensi .0mega ke nama file terenkripsi dan membuat catatan tebusan bernama DECRYPT-FILES.txt.

Catatan tebusan ini disesuaikan per korban, biasanya berisi nama perusahaan dan menjelaskan berbagai jenis data yang dicuri dalam serangan. Selain itu, beberapa catatan termasuk ancaman tentang bagaimana geng 0mega akan mengungkapkan serangan kepada mitra bisnis dan asosiasi perdagangan jika uang tebusan tidak dibayarkan.

Catatan tebusan ini mencakup tautan ke situs negosiasi pembayaran Tor dengan obrolan “dukungan” yang dapat digunakan korban untuk menghubungi geng ransomware.

Untuk masuk ke situs ini, korban harus mengunggah catatan tebusan mereka yang menyertakan gumpalan unik yang disandikan Base64 yang digunakan oleh situs untuk mengidentifikasi korban.

Situs negosiasi tebusan 0mega
Sumber: BleepingComputer

Seperti hampir semua operasi ransomware penargetan perusahaan, 0mega menjalankan situs kebocoran data khusus yang digunakan pelaku ancaman untuk mempublikasikan data curian jika uang tebusan tidak dibayarkan.

Situs kebocoran 0mega saat ini menampung 152 GB data yang dicuri dari perusahaan perbaikan elektronik dalam serangan Mei.

Situs kebocoran data 0mega
Situs: BleepingComputer

Namun, minggu lalu ada korban tambahan yang telah dihapus, menunjukkan bahwa perusahaan mungkin telah membayar uang tebusan.

Sumber: Bleeping Computer

Tagged With: 0mega, double-extortion attacks, Ransomware

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