Phobos | Nivel de amenaza: high | Tipo: Ransomware

Identificadores criptográficos

SHA2561e3d1dce864ea7544e10a2758f11fafacd39a0cfc7022e3493d6a25dbaffb6c3
MD56aa9acfb386ff6673ed8bd77c459ea5b
Tipo de archivoexe
Tamaño97.0 KB
Primera detección2022-12-19
Nombre de archivo1e3d1dce864ea7544e10a2758f11fafacd39a0cfc7022e3493d6a25dbaffb6c3
Etiquetasexe, Phobos, Ransomware

Familia de malware: Phobos

Phobos, RDP açıkları kullanan ransomware'dir.

TipoRansomware
Lenguaje de programaciónC++
Plataforma objetivoWindows
Protocolo C2
PropósitoRDP tabanlı ransomware
Año de primera detección2019
Otros nombresEking

Indicadores de amenaza (IOC)

  • SHA256: 1e3d1dce864ea7544e10a2758f11fafacd39a0cfc7022e3493d6a25dbaffb6c3
  • MD5: 6aa9acfb386ff6673ed8bd77c459ea5b

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 Phobos_SHA256 {
    meta:
        description = "Phobos sample: 1e3d1dce864ea754"
        threat_level = "high"
        first_seen = "2022-12-19"
    condition:
        hash.sha256(0, filesize) == "1e3d1dce864ea7544e10a2758f11fafacd39a0cfc7022e3493d6a25dbaffb6c3"
}

Phobos — Perfil del malware

Phobos, 2019 dan beri aktif Dharma kaynakli ransomware ailesidir. AES-256 + RSA-1024 hibrit sifreleme, email bazli fidye iletisimi. RDP brute force ile yayilir. C2 yok.

Tipo de malware
Ransomware
Lenguaje de programación
C++
Protocolo C2
Sistemas objetivo
Windows
También conocido como (AKA)
Eking

Detalles técnicos

Phobos ransomware emerged in December 2018 as a derivative of Dharma/CrySis ransomware. Encrypts files using AES-256 with RSA-1024 key exchange. Files are renamed with victim ID, attacker email address, and .phobos extension. Distributed primarily through RDP brute force attacks. Deletes volume shadow copies via vssadmin, disables Windows recovery, and terminates backup processes. Adds persistence via HKCU\Software\Microsoft\Windows\CurrentVersion\Run registry key and Startup folder. Contact is exclusively via email embedded in ransom note (no web portal). Variant of Dharma that emerged after its source code leaked on underground forums.

Atribución / Actor de amenaza

WIZARD SPIDER (related lineage), Dharma/CrySis family

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 — Phobos
# SHA256 1e3d1dce864ea7544e10a2758f11fafacd39a0cfc7022e3493d6a25dbaffb6c3 # MD5 6aa9acfb386ff6673ed8bd77c459ea5b
TipoValorNota
sha256 1e3d1dce864ea7544e10a2758f11fafacd39a0cfc7022e3493d6a25dbaffb6c3
md5 6aa9acfb386ff6673ed8bd77c459ea5b
Etiquetas
phobosransomwaremalwarehighsha256analizzenginleştirilmiş