Phobos | Niveau de menace: high | Type: Ransomware

Identifiants cryptographiques

SHA25691abe280381d0faf55b521f51d16d8aa022f0cc14b1310334d4fffc3474459d4
MD52519f369f426e4d2cdd88290d1c25d3c
Type de fichierexe
Taille1773.0 KB
Première observation2023-10-26
Nom du fichier2519f369f426e4d2cdd88290d1c25d3c.exe
Étiquettesexe, Phobos

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: 91abe280381d0faf55b521f51d16d8aa022f0cc14b1310334d4fffc3474459d4
  • MD5: 2519f369f426e4d2cdd88290d1c25d3c

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: 91abe280381d0faf"
        threat_level = "high"
        first_seen = "2023-10-26"
    condition:
        hash.sha256(0, filesize) == "91abe280381d0faf55b521f51d16d8aa022f0cc14b1310334d4fffc3474459d4"
}

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 91abe280381d0faf55b521f51d16d8aa022f0cc14b1310334d4fffc3474459d4 # MD5 2519f369f426e4d2cdd88290d1c25d3c
TypeValeurNote
sha256 91abe280381d0faf55b521f51d16d8aa022f0cc14b1310334d4fffc3474459d4
md5 2519f369f426e4d2cdd88290d1c25d3c
Tags
phobosransomwaremalwarehighsha256analizzenginleştirilmiş