REvil – 454fe83bd5a26429ea01b37105bd41718f973599 [454fe83b]

Hash / Bilgi	Deger
SHA256	454fe83bd5a26429ea01b37105bd41718f97359933d272799309ccc6fbcdcb7c
MD5	8b4851de72240c73189b6c0e6e75d765
SHA1	552474314fe423d8149efc2d0dd8676d4dfaad80
ImpHash	1da9bd2a660139c2d8ce0baa10e11ec5
Dosya Adi	454fe83bd5a26429ea01b37105bd41718f97359933d272799309ccc6fbcdcb7c.bin.exe
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
454fe83bd5a26429ea01b37105bd41718f97359933d272799309ccc6fbcdcb7c

# MD5
8b4851de72240c73189b6c0e6e75d765

Type	Value	Note
sha256	454fe83bd5a26429ea01b37105bd41718f97359933d272799309ccc6fbcdcb7c
md5	8b4851de72240c73189b6c0e6e75d765

REvil — Go to Full Profile →