BlackCat | Nivel de amenaza: critical | Tipo: Ransomware

Identificadores criptográficos

SHA2561e8696116c400742d13d6dfcad676badee68eac4a42a0693556f5dcfa82d0a46
MD57a48c7bcae4a7ae5cd9ba1d68bcda78b
Tipo de archivoexe
Tamaño3005.5 KB
Primera detección2022-06-21
Nombre de archivo1e8696116c400742d13d6dfcad676badee68eac4a42a0693556f5dcfa82d0a46
Etiquetasblackcat, BlackCat Indicators, exe

Familia de malware: BlackCat

BlackCat, Rust ransomware'dir.

TipoRansomware
Lenguaje de programaciónRust
Plataforma objetivoWindows/Linux
Protocolo C2
PropósitoRansomware
Año de primera detección2021
Otros nombresALPHV

Indicadores de amenaza (IOC)

  • SHA256: 1e8696116c400742d13d6dfcad676badee68eac4a42a0693556f5dcfa82d0a46
  • MD5: 7a48c7bcae4a7ae5cd9ba1d68bcda78b

Puede verificar todos los valores hash de esta muestra en VirusTotal.

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. Informe el incidente a las autoridades (unidad de ciberdelincuencia)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

Sugerencias de reglas YARA

rule BlackCat_SHA256 {
    meta:
        description = "BlackCat sample: 1e8696116c400742"
        threat_level = "critical"
        first_seen = "2022-06-21"
    condition:
        hash.sha256(0, filesize) == "1e8696116c400742d13d6dfcad676badee68eac4a42a0693556f5dcfa82d0a46"
}

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 1e8696116c400742d13d6dfcad676badee68eac4a42a0693556f5dcfa82d0a46 # MD5 7a48c7bcae4a7ae5cd9ba1d68bcda78b
TipoValorNota
sha256 1e8696116c400742d13d6dfcad676badee68eac4a42a0693556f5dcfa82d0a46 Sample:BlackCat
md5 7a48c7bcae4a7ae5cd9ba1d68bcda78b Sample:BlackCat
Etiquetas
blackcatransomwaremalwarecriticalsha256hash-analizi