REvil | Nivel de amenaza: critical | Tipo: Ransomware

Identificadores criptográficos

SHA256c8768d4a4979d4b5ab4e841fc29523d8d80c52d6e89f345a0a44e75973f3d3af
MD53ad14947002e57887b82643d729c21ae
Tipo de archivounknown
Tamaño128.0 KB
Primera detección2021-08-10
Nombre de archivo2021-07-02_16-42_a47cf00aedf769d60d58bfe00c0b5421_001A0000.bin
EtiquetasREvil, Shellcode

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: c8768d4a4979d4b5ab4e841fc29523d8d80c52d6e89f345a0a44e75973f3d3af
  • MD5: 3ad14947002e57887b82643d729c21ae

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: c8768d4a4979d4b5"
        threat_level = "critical"
        first_seen = "2021-08-10"
    condition:
        hash.sha256(0, filesize) == "c8768d4a4979d4b5ab4e841fc29523d8d80c52d6e89f345a0a44e75973f3d3af"
}

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 c8768d4a4979d4b5ab4e841fc29523d8d80c52d6e89f345a0a44e75973f3d3af # MD5 3ad14947002e57887b82643d729c21ae
TipoValorNota
sha256 c8768d4a4979d4b5ab4e841fc29523d8d80c52d6e89f345a0a44e75973f3d3af
md5 3ad14947002e57887b82643d729c21ae
Etiquetas
revilransomwaremalwarecriticalsha256analizzenginleştirilmiş