Phobos | Bedrohungsstufe: high | Typ: Ransomware

Kryptografische Kennungen

SHA2567949bf3e09366bdb23ca7472cb6c4d9183ad5b081ac5a568d556aec8beae0785
MD5636a3d5759907f7a3261beac3f75ca6a
Dateitypexe
Größe57.0 KB
Erstsichtung2020-04-05
Dateinamec597eb1cfd24dfca1b17b7fd61c4527c.exe
Tagsexe, GuLoader, Phobos

Malware-Familie: Phobos

Phobos, RDP ransomware'dir.

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

Bedrohungsindikatoren (IOC)

  • SHA256: 7949bf3e09366bdb23ca7472cb6c4d9183ad5b081ac5a568d556aec8beae0785
  • MD5: 636a3d5759907f7a3261beac3f75ca6a

Sie können alle Hash-Werte dieses Samples auf VirusTotal überprüfen.

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. Melden Sie den Vorfall den Behörden (Cybercrime-Einheit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

Hinweise für YARA-Regeln

rule Phobos_SHA256 {
    meta:
        description = "Phobos sample: 7949bf3e09366bdb"
        threat_level = "high"
        first_seen = "2020-04-05"
    condition:
        hash.sha256(0, filesize) == "7949bf3e09366bdb23ca7472cb6c4d9183ad5b081ac5a568d556aec8beae0785"
}

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 7949bf3e09366bdb23ca7472cb6c4d9183ad5b081ac5a568d556aec8beae0785 # MD5 636a3d5759907f7a3261beac3f75ca6a
TypWertBemerkung
sha256 7949bf3e09366bdb23ca7472cb6c4d9183ad5b081ac5a568d556aec8beae0785 Sample:Phobos
md5 636a3d5759907f7a3261beac3f75ca6a Sample:Phobos
Tags
phobosransomwaremalwarehighsha256hash-analizi