REvil — 681836cd8181c784646b39238d8e4d9323b91c71 [681836cd]

Hash / Bilgi	Deger
SHA256	681836cd8181c784646b39238d8e4d9323b91c71690894782220e2678c1f3191
MD5	c77bd2ccabf797907546b37f1fc710b8
SHA1	2185a4adb041f3207320fdf80f4125d00cd135ee
ImpHash	773fee0b4a452a64ac71454a76a68a34
Dosya Adi	681836cd8181c784646b39238d8e4d9323b91c71690894782220e2678c1f3191.bin.exe
Dosya Türü	exe
Boyut	138,752 bytes
Ilk Görülme	2020-07-29

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
681836cd8181c784646b39238d8e4d9323b91c71690894782220e2678c1f3191

# MD5
c77bd2ccabf797907546b37f1fc710b8

Type	Value	Note
sha256	681836cd8181c784646b39238d8e4d9323b91c71690894782220e2678c1f3191
md5	c77bd2ccabf797907546b37f1fc710b8

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