REvil – b8a3da8c60459974767732321a29b91dfea59ab5 [b8a3da8c]

Hash / Bilgi	Deger
SHA256	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96
MD5	40c01e02dd940c2b3ca1466799da68fd
SHA1	daa2b8467edff06bf3f8cc926534bc088049a092
ImpHash	f34d5f2d4577ed6d9ceec516c1f5a744
Dosya Adi	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96
Dosya Türü	exe
Boyut	110,083 bytes
Ilk Görülme	2022-02-11

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

.NETexefakerevilMSILRansomwareSodinokibi

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
b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96

# MD5
40c01e02dd940c2b3ca1466799da68fd

Type	Value	Note
sha256	b8a3da8c60459974767732321a29b91dfea59ab5ad993caf832f2bb2484b5c96
md5	40c01e02dd940c2b3ca1466799da68fd

REvil — Go to Full Profile →