Phobos | Niveau de menace: high | Type: Ransomware

Identifiants cryptographiques

SHA2561e3d1dce864ea7544e10a2758f11fafacd39a0cfc7022e3493d6a25dbaffb6c3
MD56aa9acfb386ff6673ed8bd77c459ea5b
Type de fichierexe
Taille97.0 KB
Première observation2022-12-19
Nom du fichier1e3d1dce864ea7544e10a2758f11fafacd39a0cfc7022e3493d6a25dbaffb6c3
Étiquettesexe, Phobos, Ransomware

Famille de malware: Phobos

Phobos, RDP açıkları kullanan ransomware'dir.

TypeRansomware
Langage de programmationC++
Plateforme cibleWindows
Protocole C2
ObjectifRDP tabanlı ransomware
Année de première observation2019
Autres nomsEking

Indicateurs de menace (IOC)

  • SHA256: 1e3d1dce864ea7544e10a2758f11fafacd39a0cfc7022e3493d6a25dbaffb6c3
  • MD5: 6aa9acfb386ff6673ed8bd77c459ea5b

Guide de nettoyage du système

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Ne payez pas la rançon — rien ne garantit la récupération des fichiers
  3. Mettez en quarantaine les disques concernés
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Essayez les outils de déchiffrement disponibles (projet NoMoreRansom)
  6. Yetkililere ihbarda bulunun
  7. Temiz bir yedekten kurtarın

Indices de règles YARA

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

Phobos — Profil du 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.

Type de malware
Ransomware
Langage de programmation
C++
Protocole C2
Systèmes ciblés
Windows
Aussi connu sous (AKA)
Eking

Détails techniques

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.

Attribution / Acteur de la menace

WIZARD SPIDER (related lineage), Dharma/CrySis family

Capacités et comportement

Dosya Şifreleme (AES/RSA)
Gölge Kopya Silme
Yedek Kaldırma
Fidye Notu Oluşturma
Kalıcılık Sağlama
Ağ Paylaşımı Şifreleme
Anti-Analiz Teknikleri
Çift Gasp (Data Leak)

Liste IOC (2 indicateurs)

IOC — Phobos
# SHA256 1e3d1dce864ea7544e10a2758f11fafacd39a0cfc7022e3493d6a25dbaffb6c3 # MD5 6aa9acfb386ff6673ed8bd77c459ea5b
TypeValeurNote
sha256 1e3d1dce864ea7544e10a2758f11fafacd39a0cfc7022e3493d6a25dbaffb6c3
md5 6aa9acfb386ff6673ed8bd77c459ea5b
Tags
phobosransomwaremalwarehighsha256analizzenginleştirilmiş