REvil | Niveau de menace: critical | Type: Ransomware

Identifiants cryptographiques

SHA256c8768d4a4979d4b5ab4e841fc29523d8d80c52d6e89f345a0a44e75973f3d3af
MD53ad14947002e57887b82643d729c21ae
Type de fichierunknown
Taille128.0 KB
Première observation2021-08-10
Nom du fichier2021-07-02_16-42_a47cf00aedf769d60d58bfe00c0b5421_001A0000.bin
ÉtiquettesREvil, Shellcode

Famille de malware: REvil

REvil, yüksek profilli saldırılar yaptı.

TypeRansomware
Langage de programmationC
Plateforme cibleWindows
Protocole C2HTTP
ObjectifYüksek profilli RaaS
Année de première observation2019
Autres nomsSodinokibi

Indicateurs de menace (IOC)

  • SHA256: c8768d4a4979d4b5ab4e841fc29523d8d80c52d6e89f345a0a44e75973f3d3af
  • MD5: 3ad14947002e57887b82643d729c21ae

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. Yetkililere ihbarda bulunun
  7. Temiz bir yedekten kurtarın

Indices de règles YARA

rule REvil_SHA256 {
    meta:
        description = "REvil sample: c8768d4a4979d4b5"
        threat_level = "critical"
        first_seen = "2021-08-10"
    condition:
        hash.sha256(0, filesize) == "c8768d4a4979d4b5ab4e841fc29523d8d80c52d6e89f345a0a44e75973f3d3af"
}

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 c8768d4a4979d4b5ab4e841fc29523d8d80c52d6e89f345a0a44e75973f3d3af # MD5 3ad14947002e57887b82643d729c21ae
TypeValeurNote
sha256 c8768d4a4979d4b5ab4e841fc29523d8d80c52d6e89f345a0a44e75973f3d3af
md5 3ad14947002e57887b82643d729c21ae
Tags
revilransomwaremalwarecriticalsha256analizzenginleştirilmiş