REvil - 12d8bfa1aeb557c146b98f069f3456cc8392863a [12d8bfa1]

Hash / Bilgi	Deger
SHA256	12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39
MD5	2075566e7855679d66705741dabe82b4
SHA1	136443e2746558b403ae6fc9d9b40bfa92b23420
ImpHash	b321b6896e18906d7c1d33f3e88fe16b
Dosya Adi	12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39.bin
Dosya Türü	exe
Boyut	123,392 bytes
Ilk Görülme	2021-03-23

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

RansomwareREvilSodinokibi

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
12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39

# MD5
2075566e7855679d66705741dabe82b4

Type	Value	Note
sha256	12d8bfa1aeb557c146b98f069f3456cc8392863a2f4ad938722cd7ca1a773b39
md5	2075566e7855679d66705741dabe82b4

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