Phobos | Niveau de menace: high | Type: Ransomware

Identifiants cryptographiques

SHA256ed42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71
MD54124caf1406e1cf408a648502a51df86
Type de fichierexe
Taille56.0 KB
Première observation2022-09-28
Nom du fichiered42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71
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: ed42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71
  • MD5: 4124caf1406e1cf408a648502a51df86

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: ed42bb9e3f5959e3"
        threat_level = "high"
        first_seen = "2022-09-28"
    condition:
        hash.sha256(0, filesize) == "ed42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71"
}

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 ed42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71 # MD5 4124caf1406e1cf408a648502a51df86
TypeValeurNote
sha256 ed42bb9e3f5959e3d58872874381d92e50c601cd1be46effeb3724ff19eeef71
md5 4124caf1406e1cf408a648502a51df86
Tags
phobosransomwaremalwarehighsha256analizzenginleştirilmiş