REvil – 3b5e260a1db66a360c9e4c210fbccdb1aa197bff [3b5e260a]

Hash / Bilgi	Deger
SHA256	3b5e260a1db66a360c9e4c210fbccdb1aa197bffa4fd6344fff9ca9d21559566
MD5	20495855f12481ca0d9b8b0d79e847dd
SHA1	c66ecf25eebf15c4801087888d146be101b602e3
ImpHash	1e6452b349d3cbc048e72755b22f42e0
Dosya Adi	3b5e260a1db66a360c9e4c210fbccdb1aa197bffa4fd6344fff9ca9d21559566.bin.exe
Dosya Türü	exe
Boyut	117,248 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
3b5e260a1db66a360c9e4c210fbccdb1aa197bffa4fd6344fff9ca9d21559566

# MD5
20495855f12481ca0d9b8b0d79e847dd

Type	Value	Note
sha256	3b5e260a1db66a360c9e4c210fbccdb1aa197bffa4fd6344fff9ca9d21559566
md5	20495855f12481ca0d9b8b0d79e847dd

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