REvil — b627eb2aa0953cf6ca40071cd54f8f1d5b036302 [b627eb2a]

Hash / Bilgi	Deger
SHA256	b627eb2aa0953cf6ca40071cd54f8f1d5b036302012adb69704c91a4320def1c
MD5	76f634972c35a410b422cdd8cefe6845
SHA1	40cce409baec9b06e06b1cd1fcd880293e476b86
ImpHash	d6c22715671f2cec3ea9d34910810301
Dosya Adi	b627eb2aa0953cf6ca40071cd54f8f1d5b036302012adb69704c91a4320def1c.bin.exe
Dosya Türü	dll
Boyut	118,784 bytes
Ilk Görülme	2020-07-20

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
b627eb2aa0953cf6ca40071cd54f8f1d5b036302012adb69704c91a4320def1c

# MD5
76f634972c35a410b422cdd8cefe6845

Type	Value	Note
sha256	b627eb2aa0953cf6ca40071cd54f8f1d5b036302012adb69704c91a4320def1c
md5	76f634972c35a410b422cdd8cefe6845

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