Hash / BilgiDeger
SHA256ea3e1c61be3a96ce6b08683067f475971d5259365fecfdc0f326b4a2cd17e1e2
MD56723a1ec1d98fb819daf4e0d5a9d28c8
SHA1cea6acc37a52c07ffd0bb078db2c19cb0adbc229
Dosya Adiea3e1c61be3a96ce6b08683067f475971d5259365fecfdc0f326b4a2cd17e1e2.txt
Dosya Türüps1
Boyut275,642 bytes
Ilk Görülme2020-11-20

Tehdit Degerlendirmesi

Bu ornek, kurban sistemindeki dosyaları sifreleyerek erisimi engelleyen ve sifre cozme anahtarı karsılıgında fidye talep eden bir fidye yazılımı olarak analiz edilmistir.

Tespit Edilen Yetenekler

  • Dosya Sifreleme
  • Golge Kopya Silme
  • Fidye Notu
  • Yedek Yok Etme
  • Veri Sizdirma

MalwareBazaar Etiketleri

Loaderps1REvilSodinokibi

Analiz Notu

Bu ornek REvil ailesine ait ve MalwareBazaar platformundan alınmıstır. KEYDAL Guvenlik Arastirmaları tarafından metadata analizi gerceklestirilmis ve IOC veritabanına eklenmistir.

REvil — Malware Profile

REvil/Sodinokibi ransomware. nboehret developer. SP-API project. siliconplains.net C2. Downloader v1.4.

Malware Type
Ransomware
Programming Language
C
C2 Protocol
HTTP
Target Systems
Windows
Also Known As (AKA)
Sodinokibi

Technical Details

REvil (Sodinokibi) is a ransomware-as-a-service operated by GOLD SOUTHFIELD. First detected April 2019, believed successor to GandCrab. Uses elliptic curve Diffie-Hellman (ECDH) + Salsa20 for file encryption, RSA-2048 for key exchange. Highly customizable through embedded JSON configuration: target paths, excluded countries/extensions. Notable attacks: Kaseya VSA supply chain attack (July 2021, 1500+ MSPs affected), JBS Foods ($11M ransom), Travelex ($6M ransom). Double extortion via "Happy Blog" leak site. Source code leaked 2021. FSB arrested key members January 2022. Operations resumed briefly with "REvil is back" announcements.

Attribution / Threat Actor

GOLD SOUTHFIELD, GandCrab successor

Capabilities & Behavior

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

IOC List (2 indicators)

IOC — REvil
# SHA256 ea3e1c61be3a96ce6b08683067f475971d5259365fecfdc0f326b4a2cd17e1e2 # MD5 6723a1ec1d98fb819daf4e0d5a9d28c8
TypeValueNote
sha256 ea3e1c61be3a96ce6b08683067f475971d5259365fecfdc0f326b4a2cd17e1e2
md5 6723a1ec1d98fb819daf4e0d5a9d28c8
REvil — Go to Full Profile →
Tags
Loaderps1REvilSodinokibi