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N3TW0RM

Ransomware N3TW0RM muncul dalam gelombang serangan dunia maya di Israel

May 4, 2021 by Winnie the Pooh

Geng ransomware baru yang dikenal sebagai ‘N3TW0RM’ menargetkan perusahaan Israel dalam gelombang serangan siber yang dimulai minggu lalu.

Media Israel Haaretz melaporkan bahwa setidaknya empat perusahaan Israel dan satu organisasi nirlaba telah berhasil dibobol dalam gelombang serangan ini.

Seperti geng ransomware lainnya, N3TW0RM telah membuat situs kebocoran data di mana mereka mengancam akan membocorkan file curian sebagai cara untuk menakut-nakuti korbannya agar membayar tebusan.

Dua dari bisnis Israel, H&M Israel dan jaringan Veritas Logistic, telah terdaftar dalam kebocoran data geng ransomware, dengan pelaku ancaman telah membocorkan data yang diduga dicuri selama serangan terhadap Veritas.

Serangan N3TW0RM belum dikaitkan dengan grup peretasan mana pun saat ini.

Saat mengenkripsi jaringan, pelaku ancaman biasanya akan mendistribusikan ransomware mandiri yang dapat dieksekusi ke setiap perangkat yang ingin mereka enkripsi.

N3TW0RM melakukannya sedikit berbeda dengan menggunakan model klien-server sebagai gantinya.

Dari sampel [VirusTotal] ransomware yang dilihat oleh BleepingComputer dan diskusi dengan Arik Nachmias, CEO dari firma tanggapan insiden Honey Badger Security, pelaku ancaman N3TW0RM menginstal program di server korban yang akan mendengarkan koneksi dari workstation.

Nachmias menyatakan bahwa pelaku ancaman kemudian menggunakan PAExec untuk menyebarkan dan mengeksekusi klien ‘slave.exe’ yang dapat dieksekusi di setiap perangkat yang akan dienkripsi oleh ransomware. Saat mengenkripsi file, file akan memiliki ekstensi ‘.n3tw0rm’ yang ditambahkan ke namanya.

Selengkapnya: Bleeping Computer

Tagged With: Cyber Attack, N3TW0RM, Ransomware

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