REvil | Nivel de amenaza: critical | Tipo: Ransomware

Identificadores criptográficos

SHA256d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6
MD5726d948d365cb9db1dfd84a30203a642
Tipo de archivoexe
Tamaño120.5 KB
Primera detección2021-04-07
Nombre de archivod74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6
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: d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6
  • MD5: 726d948d365cb9db1dfd84a30203a642

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: d74f04f0b948d958"
        threat_level = "critical"
        first_seen = "2021-04-07"
    condition:
        hash.sha256(0, filesize) == "d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6"
}

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 d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6 # MD5 726d948d365cb9db1dfd84a30203a642
TipoValorNota
sha256 d74f04f0b948d9586629e06e2a2a21bdf20d678e47058afb637414eb3701c1f6
md5 726d948d365cb9db1dfd84a30203a642
Etiquetas
revilransomwaremalwarecriticalsha256analizzenginleştirilmiş