Identifiants cryptographiques
| SHA256 | c2cf2118550a0fd7f81fe9913fe36be24c03a0ae5430b94557e0ee71c550a58c |
|---|---|
| MD5 | 03faa4f530149fdb6de644f6f0c0e3aa |
| Type de fichier | exe |
| Taille | 66.5 KB |
| Première observation | 2021-08-11 |
| Nom du fichier | decryptor2.0.bin |
| Étiquettes | 2.0, Decryptor, exe, REvil, Sodinokibi |
Famille de malware: REvil
REvil, RaaS'tır.
| Type | Ransomware |
|---|---|
| Langage de programmation | C |
| Plateforme cible | Windows |
| Protocole C2 | HTTP |
| Objectif | RaaS |
| Année de première observation | 2019 |
| Autres noms | Sodinokibi |
Indicateurs de menace (IOC)
- SHA256:
c2cf2118550a0fd7f81fe9913fe36be24c03a0ae5430b94557e0ee71c550a58c - MD5:
03faa4f530149fdb6de644f6f0c0e3aa
Vous pouvez vérifier toutes les valeurs de hachage de cet échantillon sur VirusTotal.
Guide de nettoyage du système
- Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
- Ne payez pas la rançon — rien ne garantit la récupération des fichiers
- Mettez en quarantaine les disques concernés
- Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
- Essayez les outils de déchiffrement disponibles (projet NoMoreRansom)
- Signalez l’incident aux autorités (unité de cybercriminalité)
- Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın
Indices de règles YARA
rule REvil_SHA256 {
meta:
description = "REvil sample: c2cf2118550a0fd7"
threat_level = "critical"
first_seen = "2021-08-11"
condition:
hash.sha256(0, filesize) == "c2cf2118550a0fd7f81fe9913fe36be24c03a0ae5430b94557e0ee71c550a58c"
}
REvil — Profil du malware
REvil/Sodinokibi ransomware. nboehret developer. SP-API project. siliconplains.net C2. Downloader v1.4.
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
Liste IOC (2 indicateurs)
# SHA256
c2cf2118550a0fd7f81fe9913fe36be24c03a0ae5430b94557e0ee71c550a58c
# MD5
03faa4f530149fdb6de644f6f0c0e3aa
| Type | Valeur | Note |
|---|---|---|
| sha256 | c2cf2118550a0fd7f81fe9913fe36be24c03a0ae5430b94557e0ee71c550a58c | Sample:REvil |
| md5 | 03faa4f530149fdb6de644f6f0c0e3aa | Sample:REvil |