REvil - downloader.exe [15e3b847]

Hachage / Info	Valeur
SHA256	15e3b8471e4afea6e07423d88c141e9ae454c27fa901fe320f0885298426abec
MD5	3de602dc9237aa9b880e6319a6a91747
SHA1	2e1e6d795e727ad2c4cb05f225312a3fa6a83c6b
ImpHash	f34d5f2d4577ed6d9ceec516c1f5a744
Fichier Adi	downloader.exe
Type de fichier	exe
Taille	483,328 bytes
Première observation	2021-09-30

Tehdit Valeurlendirmesi

Bu ornek, kurban sistemindeki dosyaları sifreleyerek erisimi engelleyen ve sifre cozme anahtarı karsılıgında fidye talep eden bir fidye yazılımı olarak analiz edilmistir.

Capacités détectées

Fichier Sifreleme
Golge Kopya Silme
Fidye Notu
Yedek Yok Etme
Veri Sizdirma

Étiquettes MalwareBazaar

1.5DecryptorexeREvilSodinokibi

Note d’analyse

Bu ornek REvil ailesine ait ve MalwareBazaar platformundan alınmıstır. KEYDAL Guvenlik Arastirmaları tarafından metadata analizi gerceklestirilmis ve IOC veritabanına eklenmistir.

REvil — Profil du malware

REvil/Sodinokibi ransomware. nboehret developer. SP-API project. siliconplains.net C2. Downloader v1.4.

Type de malware

Ransomware

Langage de programmation

Protocole C2

HTTP

Systèmes ciblés

Windows

Aussi connu sous (AKA)

Sodinokibi

Détails techniques

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 / Acteur de la menace

GOLD SOUTHFIELD, GandCrab successor

Capacités et comportement

Dosya Şifreleme (AES/RSA)

Gölge Kopya Silme

Yedek Kaldırma

Fidye Notu Oluşturma

Kalıcılık Sağlama

Ağ Paylaşımı Şifreleme

Anti-Analiz Teknikleri

Çift Gasp (Data Leak)

Liste IOC (2 indicateurs)

IOC — REvil

# SHA256
15e3b8471e4afea6e07423d88c141e9ae454c27fa901fe320f0885298426abec

# MD5
3de602dc9237aa9b880e6319a6a91747

Type	Valeur	Note
sha256	15e3b8471e4afea6e07423d88c141e9ae454c27fa901fe320f0885298426abec
md5	3de602dc9237aa9b880e6319a6a91747

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