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You are here: Home / News / Ukraina Mengatakan Peretas Rusia Menggunakan Ransomware Somnia Baru

Ukraina Mengatakan Peretas Rusia Menggunakan Ransomware Somnia Baru

November 15, 2022 by Coffee Bean

Peretas Rusia telah menginfeksi banyak organisasi di Ukraina dengan jenis ransomware baru yang disebut ‘Somnia’, yang mengenkripsi sistem mereka dan menyebabkan masalah operasional.

Tim Tanggap Darurat Komputer Ukraina (CERT-UA) telah mengonfirmasi wabah tersebut melalui pengumuman di portalnya, menghubungkan serangan tersebut dengan ‘From Russia with Love’ (FRwL), juga dikenal sebagai ‘Z-Team,’ yang mereka lacak sebagai UAC-0118.

Detail serangan FRwL

Situs web palsu yang untuk menjatuhkan Vidar Stealer (CERT-UA)

penginstal menginfeksi sistem dengan pencuri Vidar, yang mencuri data sesi Telegram korban untuk mengambil kendali akun mereka.

Selanjutnya, CERT-UA mengatakan bahwa pelaku ancaman menyalahgunakan akun Telegram korban dengan cara yang tidak ditentukan untuk mencuri data koneksi VPN (otentikasi dan sertifikat).

Jika akun VPN tidak dilindungi oleh otentikasi dua faktor, peretas menggunakannya untuk mendapatkan akses tidak sah ke jaringan perusahaan majikan korban.

Selanjutnya, penyusup menyebarkan suar Cobalt Strike, mengekstrak data, dan menggunakan Netscan, Rclone, Anydesk, dan Ngrok, untuk melakukan berbagai aktivitas pengawasan dan akses jarak jauh.

CERT-UA melaporkan bahwa sejak musim semi 2022, dengan bantuan broker akses awal, FRwL telah melakukan beberapa serangan terhadap komputer milik organisasi Ukraina.

Jenis file (ekstensi) yang ditargetkan oleh ransomware Somnia ditunjukkan di bawah ini, termasuk dokumen, gambar, database, arsip, file video, dan lainnya, yang mencerminkan kehancuran yang ingin ditimbulkan oleh ketegangan ini.

Jenis file yang dienkripsi oleh ransomware Somnia (CERT-UA)

Somnia tidak meminta korban untuk membayar uang tebusan sebagai ganti dekripsi yang berfungsi, karena operatornya lebih tertarik mengganggu operasi target daripada menghasilkan pendapatan.

Oleh karena itu, malware ini harus dianggap sebagai penghapus data daripada serangan ransomware tradisional.

sumber : bleeping computer

Tagged With: Hacktivist, Malware, Rusia, Telegram, Ukraine, Website

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