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You are here: Home / News / Emotet mulai menjatuhkan Cobalt Strike lagi untuk serangan yang lebih cepat

Emotet mulai menjatuhkan Cobalt Strike lagi untuk serangan yang lebih cepat

December 16, 2021 by Winnie the Pooh

Tepat pada waktunya untuk liburan, malware Emotet yang terkenal sekali lagi secara langsung memasang beacon Cobalt Strike untuk serangan siber yang cepat.

Bagi mereka yang tidak akrab dengan Emotet, Emotet dianggap sebagai salah satu infeksi malware paling luas dan didistribusikan melalui email phishing yang menyertakan lampiran berbahaya.

Secara historis, setelah perangkat terinfeksi, Emotet akan mencuri email korban untuk digunakan dalam kampanye mendatang dan kemudian menjatuhkan muatan malware, seperti TrickBot dan Qbot.

Namun, awal bulan ini, Emotet mulai menguji pemasangan beacon Cobalt Strike pada perangkat yang terinfeksi alih-alih muatan reguler mereka.

Cobalt Strike adalah alat pentesting sah yang biasanya digunakan oleh pelaku ancaman untuk menyebar secara lateral melalui organisasi dan akhirnya menyebarkan ransomware di jaringan.

Joseph Roosen dari grup Cryptolaemus Emotet mengatakan kepada BleepingComputer bahwa Emotet sekarang mengunduh modul Cobalt Strike langsung dari server perintah dan kontrolnya dan kemudian menjalankannya di perangkat yang terinfeksi.

Dengan beacon Cobalt Strike yang dipasang langsung oleh Emotet, pelaku ancaman yang menggunakannya untuk menyebar secara lateral melalui jaringan, mencuri file, dan menyebarkan malware akan memiliki akses langsung ke jaringan yang disusupi.

Akses ini akan mempercepat proses serangan, dan dengan itu tepat sebelum liburan, Emotet dapat menyebabkan banyak pelanggaran karena perusahaan sekarang memiliki staf yang terbatas untuk memantau dan menanggapi serangan.

Selengkapnya: Bleeping Computer

Tagged With: Cobalt Strike, Cybersecurity, Emotet, Keamanan Siber

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