REvil — 7d3a5cd80e21098c2ea4a35396fb9ccec326054f [7d3a5cd8]

Hash / Bilgi	Deger
SHA256	7d3a5cd80e21098c2ea4a35396fb9ccec326054f45937eae3207a3f5f2d09464
MD5	5a9e750f4d1d2514c496f43b1e20a94f
SHA1	c02a6413d43da9e8299c0eaab2252a20792da5c4
ImpHash	e9c0657252137ac61c1eeeba4c021000
Dosya Adi	7d3a5cd80e21098c2ea4a35396fb9ccec326054f45937eae3207a3f5f2d09464
Dosya Türü	exe
Boyut	180,089 bytes
Ilk Görülme	2020-07-06

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

Sodinokibi

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

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
7d3a5cd80e21098c2ea4a35396fb9ccec326054f45937eae3207a3f5f2d09464

# MD5
5a9e750f4d1d2514c496f43b1e20a94f

Type	Value	Note
sha256	7d3a5cd80e21098c2ea4a35396fb9ccec326054f45937eae3207a3f5f2d09464
md5	5a9e750f4d1d2514c496f43b1e20a94f

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