REvil – b9924321b4f05ec0b98e272ddd4f91feb69eb93c [b9924321]

Hash / Bilgi	Deger
SHA256	b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152
MD5	1e971a9a6f5d19a7383e9f4d7fa7e3e0
SHA1	62b177d400485f41b2ff5800622f24213c41a557
ImpHash	f3d46e2f8717ced6d4b220e65d6ad18a
Dosya Adi	b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152
Dosya Türü	exe
Boyut	124,928 bytes
Ilk Görülme	2021-06-17

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

exeRansomwareSodinokibi

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
b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152

# MD5
1e971a9a6f5d19a7383e9f4d7fa7e3e0

Type	Value	Note
sha256	b9924321b4f05ec0b98e272ddd4f91feb69eb93c44186ca165a4d51beed91152
md5	1e971a9a6f5d19a7383e9f4d7fa7e3e0

REvil — Go to Full Profile →