REvil | Nivel de amenaza: critical | Tipo: Ransomware

Identificadores criptográficos

SHA25683002399482a30115e37cea0222fdb265cc6d57101ca7ce4591374acd6b8a371
MD5586c80559a50dc4a431d36caaf3c2694
Tipo de archivodll
Tamaño116.5 KB
Primera detección2020-09-18
Nombre de archivouRzaV4mH.exe
Etiquetasexe, REvil, 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: 83002399482a30115e37cea0222fdb265cc6d57101ca7ce4591374acd6b8a371
  • MD5: 586c80559a50dc4a431d36caaf3c2694

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: 83002399482a3011"
        threat_level = "critical"
        first_seen = "2020-09-18"
    condition:
        hash.sha256(0, filesize) == "83002399482a30115e37cea0222fdb265cc6d57101ca7ce4591374acd6b8a371"
}

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 83002399482a30115e37cea0222fdb265cc6d57101ca7ce4591374acd6b8a371 # MD5 586c80559a50dc4a431d36caaf3c2694
TipoValorNota
sha256 83002399482a30115e37cea0222fdb265cc6d57101ca7ce4591374acd6b8a371
md5 586c80559a50dc4a431d36caaf3c2694
Etiquetas
revilransomwaremalwarecriticalsha256analizzenginleştirilmiş