Identificadores criptográficos
| SHA256 | 938e0e4868f00c4cda6f6b70542e6eb0d04982b706cd4eb5a4becb7c2da1fd3f |
|---|---|
| MD5 | 0532e250400ded8515f6d042d388ff07 |
| Tipo de archivo | dll |
| Tamaño | 116.5 KB |
| Primera detección | 2020-09-15 |
| Nombre de archivo | m3kJUZkr.exe |
| Etiquetas | exe, REvil, Sodinokibi |
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:
938e0e4868f00c4cda6f6b70542e6eb0d04982b706cd4eb5a4becb7c2da1fd3f - MD5:
0532e250400ded8515f6d042d388ff07
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: 938e0e4868f00c4c"
threat_level = "critical"
first_seen = "2020-09-15"
condition:
hash.sha256(0, filesize) == "938e0e4868f00c4cda6f6b70542e6eb0d04982b706cd4eb5a4becb7c2da1fd3f"
}
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
938e0e4868f00c4cda6f6b70542e6eb0d04982b706cd4eb5a4becb7c2da1fd3f
# MD5
0532e250400ded8515f6d042d388ff07
| Tipo | Valor | Nota |
|---|---|---|
| sha256 | 938e0e4868f00c4cda6f6b70542e6eb0d04982b706cd4eb5a4becb7c2da1fd3f | |
| md5 | 0532e250400ded8515f6d042d388ff07 |