REvil – a0eca3f1e6797ebb44ece1478362781f5161e743 [a0eca3f1]

Hash / Bilgi	Deger
SHA256	a0eca3f1e6797ebb44ece1478362781f5161e74314845571e91ba97e43571f7d
MD5	57b8355855e919b32a5a5a340c3cfbe0
SHA1	84ed330819cf425c825e3e55e19f8027a55e9685
ImpHash	1da9bd2a660139c2d8ce0baa10e11ec5
Dosya Adi	a0eca3f1e6797ebb44ece1478362781f5161e74314845571e91ba97e43571f7d.bin
Dosya Türü	exe
Boyut	114,176 bytes
Ilk Görülme	2020-08-23

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

DecryptorREvilSodinokibi

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
a0eca3f1e6797ebb44ece1478362781f5161e74314845571e91ba97e43571f7d

# MD5
57b8355855e919b32a5a5a340c3cfbe0

Type	Value	Note
sha256	a0eca3f1e6797ebb44ece1478362781f5161e74314845571e91ba97e43571f7d
md5	57b8355855e919b32a5a5a340c3cfbe0

REvil — Go to Full Profile →