REvil | Nivel de amenaza: critical | Tipo: Ransomware

Identificadores criptográficos

SHA2562093c195b6c1fd6ab9e1110c13096c5fe130b75a84a27748007ae52d9e951643
MD595f0a946cd6881dd5953e6db4dfb0cb9
Tipo de archivounknown
Tamaño1193.8 KB
Primera detección2021-07-04
Nombre de archivoagent (2).crt
EtiquetasRansomware, REvil

Familia de malware: REvil

REvil, yüksek profilli saldırılar yaptı.

TipoRansomware
Lenguaje de programaciónC
Plataforma objetivoWindows
Protocolo C2HTTP
PropósitoYüksek profilli RaaS
Año de primera detección2019
Otros nombresSodinokibi

Indicadores de amenaza (IOC)

  • SHA256: 2093c195b6c1fd6ab9e1110c13096c5fe130b75a84a27748007ae52d9e951643
  • MD5: 95f0a946cd6881dd5953e6db4dfb0cb9

Guía de limpieza del sistema

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. No pague el rescate: no hay garantía de recuperar los archivos
  3. Ponga en cuarentena las unidades afectadas
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Pruebe las herramientas de descifrado disponibles (proyecto NoMoreRansom)
  6. Yetkililere ihbarda bulunun
  7. Temiz bir yedekten kurtarın

Sugerencias de reglas YARA

rule REvil_SHA256 {
    meta:
        description = "REvil sample: 2093c195b6c1fd6a"
        threat_level = "critical"
        first_seen = "2021-07-04"
    condition:
        hash.sha256(0, filesize) == "2093c195b6c1fd6ab9e1110c13096c5fe130b75a84a27748007ae52d9e951643"
}

REvil — Perfil del malware

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

Tipo de malware
Ransomware
Lenguaje de programación
C
Protocolo C2
HTTP
Sistemas objetivo
Windows
También conocido como (AKA)
Sodinokibi

Detalles técnicos

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.

Atribución / Actor de amenaza

GOLD SOUTHFIELD, GandCrab successor

Capacidades y comportamiento

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

Lista IOC (2 indicadores)

IOC — REvil
# SHA256 2093c195b6c1fd6ab9e1110c13096c5fe130b75a84a27748007ae52d9e951643 # MD5 95f0a946cd6881dd5953e6db4dfb0cb9
TipoValorNota
sha256 2093c195b6c1fd6ab9e1110c13096c5fe130b75a84a27748007ae52d9e951643
md5 95f0a946cd6881dd5953e6db4dfb0cb9
Etiquetas
revilransomwaremalwarecriticalsha256analizzenginleştirilmiş