Phobos | Bedrohungsstufe: high | Typ: Ransomware

Kryptografische Kennungen

SHA256d68cd1a46733695e31c8d8604ad7f5658ebba343404d8443e1e64f0ee3e79a11
MD52680a0e23ec4966fa69e3613d1e2e731
Dateitypexe
Größe56.0 KB
Erstsichtung2023-12-11
Dateinamephobos.exe
Tagsexe, Phobos

Malware-Familie: Phobos

Phobos, RDP açıkları kullanan ransomware'dir.

TypRansomware
ProgrammierspracheC++
ZielplattformWindows
C2-Protokoll
ZweckRDP tabanlı ransomware
Jahr der Erstsichtung2019
Andere NamenEking

Bedrohungsindikatoren (IOC)

  • SHA256: d68cd1a46733695e31c8d8604ad7f5658ebba343404d8443e1e64f0ee3e79a11
  • MD5: 2680a0e23ec4966fa69e3613d1e2e731

Anleitung zur Systembereinigung

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. Zahlen Sie kein Lösegeld — es gibt keine Garantie für die Wiederherstellung
  3. Stellen Sie die betroffenen Laufwerke unter Quarantäne
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. Probieren Sie verfügbare Entschlüsselungstools (Projekt NoMoreRansom)
  6. Yetkililere ihbarda bulunun
  7. Temiz bir yedekten kurtarın

Hinweise für YARA-Regeln

rule Phobos_SHA256 {
    meta:
        description = "Phobos sample: d68cd1a46733695e"
        threat_level = "high"
        first_seen = "2023-12-11"
    condition:
        hash.sha256(0, filesize) == "d68cd1a46733695e31c8d8604ad7f5658ebba343404d8443e1e64f0ee3e79a11"
}

Phobos — Malware-Profil

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.

Malware-Typ
Ransomware
Programmiersprache
C++
C2-Protokoll
Zielsysteme
Windows
Auch bekannt als (AKA)
Eking

Technische Details

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 / Bedrohungsakteur

WIZARD SPIDER (related lineage), Dharma/CrySis family

Fähigkeiten & Verhalten

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

IOC-Liste (2 Indikatoren)

IOC — Phobos
# SHA256 d68cd1a46733695e31c8d8604ad7f5658ebba343404d8443e1e64f0ee3e79a11 # MD5 2680a0e23ec4966fa69e3613d1e2e731
TypWertBemerkung
sha256 d68cd1a46733695e31c8d8604ad7f5658ebba343404d8443e1e64f0ee3e79a11
md5 2680a0e23ec4966fa69e3613d1e2e731
Tags
phobosransomwaremalwarehighsha256analizzenginleştirilmiş