REvil – 2023-04-20_e4be3e7aa3e471f7c42ec7ba35c3d [50fdb342]

Hash / Bilgi	Deger
SHA256	50fdb342de90ce63c31625156beb9ed968bf11527ce7c4c3bd4a3f3f7c4cf730
MD5	e4be3e7aa3e471f7c42ec7ba35c3d69f
SHA1	5640beca5831e8a49031cd335a31415bfc8f3282
ImpHash	c88f20b29592f2107a629e815db6afae
Dosya Adi	2023-04-20_e4be3e7aa3e471f7c42ec7ba35c3d69f_revil
Dosya Türü	exe
Boyut	168,980 bytes
Ilk Görülme	2023-04-22

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
50fdb342de90ce63c31625156beb9ed968bf11527ce7c4c3bd4a3f3f7c4cf730

# MD5
e4be3e7aa3e471f7c42ec7ba35c3d69f

Type	Value	Note
sha256	50fdb342de90ce63c31625156beb9ed968bf11527ce7c4c3bd4a3f3f7c4cf730
md5	e4be3e7aa3e471f7c42ec7ba35c3d69f

REvil — Go to Full Profile →