REvil | Nivel de amenaza: critical | Tipo: Ransomware

Identificadores criptográficos

SHA2563c4063956b797106cc43a49a634bb530aecd6e9a898124bb8fed6978f4556ee0
MD591e06d83a0ea2e73f8143f9d70c2b8b1
Tipo de archivodll
Tamaño119.5 KB
Primera detección2021-04-07
Nombre de archivo3c4063956b797106cc43a49a634bb530aecd6e9a898124bb8fed6978f4556ee0
EtiquetasREvil, Sodinokibi

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: 3c4063956b797106cc43a49a634bb530aecd6e9a898124bb8fed6978f4556ee0
  • MD5: 91e06d83a0ea2e73f8143f9d70c2b8b1

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: 3c4063956b797106"
        threat_level = "critical"
        first_seen = "2021-04-07"
    condition:
        hash.sha256(0, filesize) == "3c4063956b797106cc43a49a634bb530aecd6e9a898124bb8fed6978f4556ee0"
}

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 3c4063956b797106cc43a49a634bb530aecd6e9a898124bb8fed6978f4556ee0 # MD5 91e06d83a0ea2e73f8143f9d70c2b8b1
TipoValorNota
sha256 3c4063956b797106cc43a49a634bb530aecd6e9a898124bb8fed6978f4556ee0
md5 91e06d83a0ea2e73f8143f9d70c2b8b1
Etiquetas
revilransomwaremalwarecriticalsha256analizzenginleştirilmiş