REvil – cb4af8d6d57163b0322bd033b36379f805bdb59e [cb4af8d6]

Hash / Bilgi	Deger
SHA256	cb4af8d6d57163b0322bd033b36379f805bdb59ec550049ea568cc0a7dfe52cd
MD5	c9dbde6da0b2102b761351479af24b70
SHA1	0c612135ba42a42f2516bdc255e7c87fa1c499a7
ImpHash	f3d46e2f8717ced6d4b220e65d6ad18a
Dosya Adi	cb4af8d6d57163b0322bd033b36379f805bdb59ec550049ea568cc0a7dfe52cd
Dosya Türü	exe
Boyut	124,928 bytes
Ilk Görülme	2021-06-17

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

exeRansomwareSodinokibi

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
cb4af8d6d57163b0322bd033b36379f805bdb59ec550049ea568cc0a7dfe52cd

# MD5
c9dbde6da0b2102b761351479af24b70

Type	Value	Note
sha256	cb4af8d6d57163b0322bd033b36379f805bdb59ec550049ea568cc0a7dfe52cd
md5	c9dbde6da0b2102b761351479af24b70

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