Phobos | Niveau de menace: high | Type: Ransomware

Identifiants cryptographiques

SHA256190efd8437c972b5dc4c9d51ee099d3c9a59f90c12b5aeb742744ab8f733adf1
MD5b8b2b5361031ed8136002403ec3bc357
Type de fichierzip
Taille44.1 KB
Première observation2023-03-09
Nom du fichier34c1121937c35b39b654428cf3fc6b16e3e2eed03c1ccbcfc77183d1749ebadc.zip
ÉtiquettesPhobos

Famille de malware: Phobos

Phobos, RDP ransomware'dir.

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

Indicateurs de menace (IOC)

  • SHA256: 190efd8437c972b5dc4c9d51ee099d3c9a59f90c12b5aeb742744ab8f733adf1
  • MD5: b8b2b5361031ed8136002403ec3bc357

Vous pouvez vérifier toutes les valeurs de hachage de cet échantillon sur VirusTotal.

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. Signalez l’incident aux autorités (unité de cybercriminalité)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

Indices de règles YARA

rule Phobos_SHA256 {
    meta:
        description = "Phobos sample: 190efd8437c972b5"
        threat_level = "high"
        first_seen = "2023-03-09"
    condition:
        hash.sha256(0, filesize) == "190efd8437c972b5dc4c9d51ee099d3c9a59f90c12b5aeb742744ab8f733adf1"
}

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 190efd8437c972b5dc4c9d51ee099d3c9a59f90c12b5aeb742744ab8f733adf1 # MD5 b8b2b5361031ed8136002403ec3bc357
TypeValeurNote
sha256 190efd8437c972b5dc4c9d51ee099d3c9a59f90c12b5aeb742744ab8f733adf1 Sample:Phobos
md5 b8b2b5361031ed8136002403ec3bc357 Sample:Phobos
Tags
phobosransomwaremalwarehighsha256hash-analizi