REvil | Niveau de menace: critical | Type: Ransomware

Identifiants cryptographiques

SHA256a322b230a3451fd11dcfe72af4da1df07183d6aaf1ab9e062f0e6b14cf6d23cd
MD526ad6a4dc847ede4dcf7ac29bc384526
Type de fichierelf
Taille102.8 KB
Première observation2021-12-24
Nom du fichiera322b230a3451fd11dcfe72af4da1df07183d6aaf1ab9e062f0e6b14cf6d23cd
Étiquetteself, Ransomware, REvil, Sodinokibi

Famille de malware: REvil

REvil, RaaS'tır.

TypeRansomware
Langage de programmationC
Plateforme cibleWindows
Protocole C2HTTP
ObjectifRaaS
Année de première observation2019
Autres nomsSodinokibi

Indicateurs de menace (IOC)

  • SHA256: a322b230a3451fd11dcfe72af4da1df07183d6aaf1ab9e062f0e6b14cf6d23cd
  • MD5: 26ad6a4dc847ede4dcf7ac29bc384526

Vous pouvez vérifier toutes les valeurs de hachage de cet échantillon sur VirusTotal.

Guide de nettoyage du système

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Ne payez pas la rançon — rien ne garantit la récupération des fichiers
  3. Mettez en quarantaine les disques concernés
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Essayez les outils de déchiffrement disponibles (projet NoMoreRansom)
  6. Signalez l’incident aux autorités (unité de cybercriminalité)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

Indices de règles YARA

rule REvil_SHA256 {
    meta:
        description = "REvil sample: a322b230a3451fd1"
        threat_level = "critical"
        first_seen = "2021-12-24"
    condition:
        hash.sha256(0, filesize) == "a322b230a3451fd11dcfe72af4da1df07183d6aaf1ab9e062f0e6b14cf6d23cd"
}

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
C
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 a322b230a3451fd11dcfe72af4da1df07183d6aaf1ab9e062f0e6b14cf6d23cd # MD5 26ad6a4dc847ede4dcf7ac29bc384526
TypeValeurNote
sha256 a322b230a3451fd11dcfe72af4da1df07183d6aaf1ab9e062f0e6b14cf6d23cd Sample:REvil
md5 26ad6a4dc847ede4dcf7ac29bc384526 Sample:REvil
Tags
revilransomwaremalwarecriticalsha256hash-analizi