REvil — fc12ec1b_by_Libranalysis [4f6ce92f]

Hash / Bilgi	Deger
SHA256	4f6ce92fccafa6d2454a12022e21fbd6adf1a6ec2d45c71de6f8729ec3ad195f
MD5	fc12ec1b213c77784a3f52f8a4b97a24
SHA1	49d119a9b8ec4ef7cace0259144033358b154bcf
ImpHash	829f9ebe2f23f6c25f55b705d1e77149
Dosya Adi	fc12ec1b_by_Libranalysis
Dosya Türü	exe
Boyut	146,944 bytes
Ilk Görülme	2021-05-03

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
4f6ce92fccafa6d2454a12022e21fbd6adf1a6ec2d45c71de6f8729ec3ad195f

# MD5
fc12ec1b213c77784a3f52f8a4b97a24

Type	Value	Note
sha256	4f6ce92fccafa6d2454a12022e21fbd6adf1a6ec2d45c71de6f8729ec3ad195f
md5	fc12ec1b213c77784a3f52f8a4b97a24

REvil — Go to Full Profile →