Phobos | Bedrohungsstufe: high | Typ: Ransomware

Kryptografische Kennungen

SHA2567c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1
MD5e3d064afc3476b131db81cd483a5c87a
Dateitypexe
Größe56.0 KB
Erstsichtung2023-01-26
Dateiname7c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1
TagsPhobos

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: 7c2a9bae3bbdc9e38516754d76a192d6a3ce37849c06a8a8d3b06fb7f75916c1
  • MD5: e3d064afc3476b131db81cd483a5c87a

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

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 (7 Indikatoren)

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
TypWertBemerkung
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