BlackCat | Nivel de amenaza: critical | Tipo: Ransomware

Identificadores criptográficos

SHA25686ccc74375405ef5a86bb26071ec345d3d800438d1e0caa4a6d0cb43bd8562df
MD59ca7bea6e8a1af2dd7e60f78364dad90
Tipo de archivoexe
Tamaño3076.0 KB
Primera detección2022-10-11
Nombre de archivo86ccc74375405ef5a86bb26071ec345d3d800438d1e0caa4a6d0cb43bd8562df
Etiquetasblackcat

Familia de malware: BlackCat

BlackCat, Rust ile yazılan ransomware'dir.

TipoRansomware
Lenguaje de programaciónRust
Plataforma objetivoWindows/Linux
Protocolo C2
PropósitoÇapraz platform ransomware
Año de primera detección2021
Otros nombresALPHV

Indicadores de amenaza (IOC)

  • SHA256: 86ccc74375405ef5a86bb26071ec345d3d800438d1e0caa4a6d0cb43bd8562df
  • MD5: 9ca7bea6e8a1af2dd7e60f78364dad90

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 BlackCat_SHA256 {
    meta:
        description = "BlackCat sample: 86ccc74375405ef5"
        threat_level = "critical"
        first_seen = "2022-10-11"
    condition:
        hash.sha256(0, filesize) == "86ccc74375405ef5a86bb26071ec345d3d800438d1e0caa4a6d0cb43bd8562df"
}

BlackCat — Perfil del malware

BlackCat, Rust ile yazılan ransomware'dir.

Tipo de malware
Ransomware
Lenguaje de programación
Rust
Protocolo C2
Sistemas objetivo
Windows/Linux
También conocido como (AKA)
ALPHV

Detalles técnicos

BlackCat (ALPHV) is the first major ransomware written in Rust, enabling cross-platform attacks on Windows, Linux, and VMware ESXi. Emerged November 2021 as a RaaS operation. Triple extortion: file encryption + data exfiltration + DDoS threats. Uses AES-128 (CTR mode) or ChaCha20 for file encryption with RSA-2048 for key protection. Highly configurable JSON config: target extensions, excluded paths, credential stuffing. Uses intermittent encryption (partial file encryption) for speed. ALPHV 3.0 (Sphynx) introduced EXMATTER data exfiltration tool. FBI disrupted December 2023 with decryption keys released for 500 victims. Believed operated by former DarkSide/BlackMatter members.

Atribución / Actor de amenaza

ALPHV (linked to DarkSide/BlackMatter)

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 — BlackCat
# SHA256 86ccc74375405ef5a86bb26071ec345d3d800438d1e0caa4a6d0cb43bd8562df # MD5 9ca7bea6e8a1af2dd7e60f78364dad90
TipoValorNota
sha256 86ccc74375405ef5a86bb26071ec345d3d800438d1e0caa4a6d0cb43bd8562df
md5 9ca7bea6e8a1af2dd7e60f78364dad90
Etiquetas
blackcatransomwaremalwarecriticalsha256analizzenginleştirilmiş