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You are here: Home / News / Laporan Baru Mengungkap Teknik Pengiriman dan Pengelakan Emotet yang Digunakan dalam Serangan Baru-baru ini

Laporan Baru Mengungkap Teknik Pengiriman dan Pengelakan Emotet yang Digunakan dalam Serangan Baru-baru ini

October 11, 2022 by Winnie the Pooh

Pelaku ancaman yang memiliki kaitan dengan malware Emotet yang terkenal terus-menerus mengubah taktik dan infrastruktur command-and-control (C2) mereka untuk menghindari deteksi, menurut penelitian baru dari VMware.

Kebangkitan Emotet, yang diatur oleh tim Conti yang sekarang sudah tidak aktif, telah membuka jalan bagi infeksi Cobalt Strike dan, baru-baru ini, serangan ransomware yang melibatkan Quantum dan BlackCat.

Alur serangan emotet juga ditandai dengan penggunaan vektor serangan yang berbeda dalam upaya untuk tetap terselubung untuk waktu yang lama.

Penyusupan ini biasanya bergantung pada gelombang pesan spam yang mengirimkan dokumen yang mengandung malware atau URL yang disematkan, yang ketika dibuka atau diklik, mengarah pada penyebaran malware.

Pada Januari 2022 saja, VMware mengatakan telah mengamati tiga rangkaian serangan yang berbeda di mana muatan Emotet dikirimkan melalui makro Excel 4.0 (XL4), makro XL4 dengan PowerShell, dan makro Aplikasi Visual Basic (VBA) dengan PowerShell.

Kemunculan kembali Emotet juga ditandai dengan perubahan infrastruktur C2, dengan aktor ancaman mengoperasikan dua klaster botnet baru yang dijuluki Epochs 4 dan 5. Sebelum penghapusan, operasi Emotet berjalan di atas tiga botnet terpisah yang disebut sebagai Epochs 1, 2, dan 3.

Selain itu, 10.235 muatan Emotet yang terdeteksi di alam liar antara 15 Maret 2022, dan 18 Juni 2022, menggunakan kembali server C2 milik Epoch 5.

Selengkapnya: The Hacker News

Tagged With: C2, Cybersecurity, Emotet, Keamanan Siber, Malware, Trojan

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