BlackCat | Nivel de amenaza: critical | Tipo: Ransomware

Identificadores criptográficos

SHA256133e003cc510e3d2d0c7df70a603448605641256c88ce64a3bcabb762295d622
MD589f48e5e7a5532eb34c4d22dba7c16bc
Tipo de archivoelf
Tamaño1864.3 KB
Primera detección2022-11-15
Nombre de archivo133e003cc510e3d2d0c7df70a603448605641256c88ce64a3bcabb762295d622
Etiquetasblackcat, elf, Ransomware

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: 133e003cc510e3d2d0c7df70a603448605641256c88ce64a3bcabb762295d622
  • MD5: 89f48e5e7a5532eb34c4d22dba7c16bc

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: 133e003cc510e3d2"
        threat_level = "critical"
        first_seen = "2022-11-15"
    condition:
        hash.sha256(0, filesize) == "133e003cc510e3d2d0c7df70a603448605641256c88ce64a3bcabb762295d622"
}

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 133e003cc510e3d2d0c7df70a603448605641256c88ce64a3bcabb762295d622 # MD5 89f48e5e7a5532eb34c4d22dba7c16bc
TipoValorNota
sha256 133e003cc510e3d2d0c7df70a603448605641256c88ce64a3bcabb762295d622
md5 89f48e5e7a5532eb34c4d22dba7c16bc
Etiquetas
blackcatransomwaremalwarecriticalsha256analizzenginleştirilmiş