REvil — a3cdb3929b4ad03371335e2cb854e5cfb6181682 [a3cdb392]

Hash / Bilgi	Deger
SHA256	a3cdb3929b4ad03371335e2cb854e5cfb61816821cd4fcb9807e4fac57f65ea4
MD5	4d674a7b4159f4e319a2ce3f80d9770c
SHA1	fff0667667009708ca5508c388d8c7cfc8ec7ba4
ImpHash	d6c22715671f2cec3ea9d34910810301
Dosya Adi	a3cdb3929b4ad03371335e2cb854e5cfb61816821cd4fcb9807e4fac57f65ea4.bin.exe
Dosya Türü	dll
Boyut	118,784 bytes
Ilk Görülme	2020-08-20

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
a3cdb3929b4ad03371335e2cb854e5cfb61816821cd4fcb9807e4fac57f65ea4

# MD5
4d674a7b4159f4e319a2ce3f80d9770c

Type	Value	Note
sha256	a3cdb3929b4ad03371335e2cb854e5cfb61816821cd4fcb9807e4fac57f65ea4
md5	4d674a7b4159f4e319a2ce3f80d9770c

REvil — Go to Full Profile →