Hash / BilgiDeger
SHA2560496ca57e387b10dfdac809de8a4e039f68e8d66535d5d19ec76d39f7d0a4402
MD5040818b1b3c9b1bf8245f5bcb4eebbbc
SHA1c0f569fc22cb5dd8e02e44f85168b4b72a6669c3
ImpHash978e775a5e5aede14cbde23e1be9bd23
Dosya Adi040818b1_by_Libranalysis
Dosya Türüdll
Boyut832,864 bytes
Ilk Görülme2021-05-05

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

RansomwaresignedSodinokibi

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 0496ca57e387b10dfdac809de8a4e039f68e8d66535d5d19ec76d39f7d0a4402 # MD5 040818b1b3c9b1bf8245f5bcb4eebbbc
TypeValueNote
sha256 0496ca57e387b10dfdac809de8a4e039f68e8d66535d5d19ec76d39f7d0a4402
md5 040818b1b3c9b1bf8245f5bcb4eebbbc
REvil — Go to Full Profile →
Tags
RansomwaresignedSodinokibi