REvil – 2023-02-28_e8142a0f01356d6d5fe5cf0a8f3b0 [9a19fff2]

Hash / Bilgi	Deger
SHA256	9a19fff2b18432bb4a6d409a755fc712ee4f60f5a4b46b07bff21f229e5dcdc3
MD5	e8142a0f01356d6d5fe5cf0a8f3b0d95
SHA1	df2f55227c6e0909215336bf69d484fce353516c
ImpHash	1da9bd2a660139c2d8ce0baa10e11ec5
Dosya Adi	2023-02-28_e8142a0f01356d6d5fe5cf0a8f3b0d95_revil_sodinokibi
Dosya Türü	exe
Boyut	113,664 bytes
Ilk Görülme	2023-03-05

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

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
9a19fff2b18432bb4a6d409a755fc712ee4f60f5a4b46b07bff21f229e5dcdc3

# MD5
e8142a0f01356d6d5fe5cf0a8f3b0d95

Type	Value	Note
sha256	9a19fff2b18432bb4a6d409a755fc712ee4f60f5a4b46b07bff21f229e5dcdc3
md5	e8142a0f01356d6d5fe5cf0a8f3b0d95

REvil — Go to Full Profile →