REvil – 2023-02-09_5ebd682151819e1c5c807b15f4057 [7546e51b]

Hash / Bilgi	Deger
SHA256	7546e51b37738965704fadb25674f7fe69ea047ce5eb425c916cfa3048c78cda
MD5	5ebd682151819e1c5c807b15f4057c25
SHA1	6c094d3f421d5848afe90d65ff799dbaa152006c
ImpHash	bcaa152421a4795925c1a5ec4acd51f5
Dosya Adi	2023-02-09_5ebd682151819e1c5c807b15f4057c25_neshta_revil_sodinokibi
Dosya Türü	exe
Boyut	329,111 bytes
Ilk Görülme	2023-02-09

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
7546e51b37738965704fadb25674f7fe69ea047ce5eb425c916cfa3048c78cda

# MD5
5ebd682151819e1c5c807b15f4057c25

Type	Value	Note
sha256	7546e51b37738965704fadb25674f7fe69ea047ce5eb425c916cfa3048c78cda
md5	5ebd682151819e1c5c807b15f4057c25

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