REvil | Niveau de menace: critical | Type: Ransomware

Identifiants cryptographiques

SHA256bc81f86bdc1b3a0a3229b88981c62ccdc754f90d0760405991896ad2f21a7c2a
MD56a1abbb61af46d3c3e2ff7f0ff65c024
Type de fichierexe
Taille119.0 KB
Première observation2020-08-23
Nom du fichierbc81f86bdc1b3a0a3229b88981c62ccdc754f90d0760405991896ad2f21a7c2a.bin.exe
ÉtiquettesDecryptor, 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: bc81f86bdc1b3a0a3229b88981c62ccdc754f90d0760405991896ad2f21a7c2a
  • MD5: 6a1abbb61af46d3c3e2ff7f0ff65c024

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: bc81f86bdc1b3a0a"
        threat_level = "critical"
        first_seen = "2020-08-23"
    condition:
        hash.sha256(0, filesize) == "bc81f86bdc1b3a0a3229b88981c62ccdc754f90d0760405991896ad2f21a7c2a"
}

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 bc81f86bdc1b3a0a3229b88981c62ccdc754f90d0760405991896ad2f21a7c2a # MD5 6a1abbb61af46d3c3e2ff7f0ff65c024
TypeValeurNote
sha256 bc81f86bdc1b3a0a3229b88981c62ccdc754f90d0760405991896ad2f21a7c2a Sample:REvil
md5 6a1abbb61af46d3c3e2ff7f0ff65c024 Sample:REvil
Tags
revilransomwaremalwarecriticalsha256hash-analizi