Phobos | Niveau de menace: high | Type: Ransomware

Identifiants cryptographiques

SHA2567c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1
MD5e3d064afc3476b131db81cd483a5c87a
Type de fichierexe
Taille56.0 KB
Première observation2023-01-26
Nom du fichier7c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1
ÉtiquettesPhobos

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: 7c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1
  • MD5: e3d064afc3476b131db81cd483a5c87a

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: 7c2a9bae3bbdc9e3"
        threat_level = "high"
        first_seen = "2023-01-26"
    condition:
        hash.sha256(0, filesize) == "7c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1"
}

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 (7 indicateurs)

IOC — Phobos
# SHA256 7c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1 # MD5 e3d064afc3476b131db81cd483a5c87a # IP 194.87.68.56 # IP 83.220.170.151 # DOMAIN phobos-decrypt.ru # MUTEX Global_Phobos_Ransomware_Mutex # EMAIL phobos@tutamail.com
TypeValeurNote
sha256 7c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1
md5 e3d064afc3476b131db81cd483a5c87a
ip 194.87.68.56 Phobos C2 - Rusya BH hosting
ip 83.220.170.151 Phobos aktif C2
domain phobos-decrypt.ru Phobos fidye yazilimi destek sitesi
mutex Global_Phobos_Ransomware_Mutex Phobos mutex
email phobos@tutamail.com Phobos fidye iletisim e-postasi
Tags
phobosransomwaremalwarehighsha256analizzenginleştirilmiş