Identificadores criptográficos
| SHA256 | 2093c195b6c1fd6ab9e1110c13096c5fe130b75a84a27748007ae52d9e951643 |
|---|---|
| MD5 | 95f0a946cd6881dd5953e6db4dfb0cb9 |
| Tipo de archivo | unknown |
| Tamaño | 1193.8 KB |
| Primera detección | 2021-07-04 |
| Nombre de archivo | agent (2).crt |
| Etiquetas | Ransomware, REvil |
Familia de malware: REvil
REvil, yüksek profilli saldırılar yaptı.
| Tipo | Ransomware |
|---|---|
| Lenguaje de programación | C |
| Plataforma objetivo | Windows |
| Protocolo C2 | HTTP |
| Propósito | Yüksek profilli RaaS |
| Año de primera detección | 2019 |
| Otros nombres | Sodinokibi |
Indicadores de amenaza (IOC)
- SHA256:
2093c195b6c1fd6ab9e1110c13096c5fe130b75a84a27748007ae52d9e951643 - MD5:
95f0a946cd6881dd5953e6db4dfb0cb9
Guía de limpieza del sistema
- Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
- No pague el rescate: no hay garantía de recuperar los archivos
- Ponga en cuarentena las unidades afectadas
- Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
- Pruebe las herramientas de descifrado disponibles (proyecto NoMoreRansom)
- Yetkililere ihbarda bulunun
- 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.
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
Lista IOC (2 indicadores)
# SHA256
2093c195b6c1fd6ab9e1110c13096c5fe130b75a84a27748007ae52d9e951643
# MD5
95f0a946cd6881dd5953e6db4dfb0cb9
| Tipo | Valor | Nota |
|---|---|---|
| sha256 | 2093c195b6c1fd6ab9e1110c13096c5fe130b75a84a27748007ae52d9e951643 | |
| md5 | 95f0a946cd6881dd5953e6db4dfb0cb9 |