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You are here: Home / News / Raspberry Robin Worm Menyerang Lagi, Menargetkan Sistem Telekomunikasi dan Pemerintahan

Raspberry Robin Worm Menyerang Lagi, Menargetkan Sistem Telekomunikasi dan Pemerintahan

December 22, 2022 by Flamango

Worm Raspberry Robin telah digunakan dalam serangan terhadap telekomunikasi dan sistem kantor pemerintah di seluruh Amerika Latin, Australia, dan Eropa setidaknya sejak September 2022.

Microsoft melacak Raspberry Robin terkait dengan kluster aktivitas sebagai DEV-0856 yang banyak dimanfaatkan oleh penyerang sebagai mekanisme akses awal untuk mengirimkan muatan seperti LockBit dan Clop ransomware.

Malware tersebut mengandalkan drive USB yang terinfeksi sebagai sarana untuk mengunduh file pemasang MSI jahat yang menyebarkan muatan utama, yang bertanggung jawab untuk memfasilitasi pasca-eksploitasi.

Analisis Raspberry Robbin lebih lanjut mengungkapkan bahwa penggunaan teknik obfuscation untuk mencegah analisis dengan malware terdiri dari dua muatan yang disemuatkan pada sebuah pemuat muatan yang dikemas enam kali.

Tanpa sandboxing dan analisis yang diamati, muatan yang sah akan dipasang dan terhubung ke alamat .onion yang dikodekan menggunakan klien TOR khusus yang disematkan di dalamnya untuk menunggu perintah lebih lanjut.

Klien TOR menyamar sebagai proses Windows yang sah seperti dllhost.exe, regsvr32.exe, dan rundll32.exe,. Hal ini sebagai upaya besar yang dilakukan oleh aktor ancaman untuk terbang di bawah radar.

Trend Micro menemukan persamaan dalam eskalasi hak istimewa dan teknik anti-debugging yang digunakan oleh ransomware Raspberry Robin dan LockBit, yang mengisyaratkan adanya hubungan potensial antara dua aktor kriminal tersebut.

Teori perusahaan mengatakan bahwa grup di belakang Raspberry Robin adalah pembuat beberapa alat yang juga digunakan Lockbit sebagai alternatif memanfaatkan layanan afiliasi yang bertanggung jawab atas teknik yang digunakan oleh LockBit.

Selengkapnya: The Hacker News

Tagged With: Malware, Obfuscation, Raspberry Robin

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