Identifiants cryptographiques
| SHA256 | d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08 |
|---|---|
| MD5 | 42553b52c33d2b5f8a747819d0bf97d5 |
| Type de fichier | exe |
| Taille | 602.5 KB |
| Première observation | 2023-09-15 |
| Nom du fichier | 42553b52c33d2b5f8a747819d0bf97d5 |
| Étiquettes | 32, exe, Phobos |
Famille de malware: Phobos
Phobos, RDP ransomware'dir.
| Type | Ransomware |
|---|---|
| Langage de programmation | C++ |
| Plateforme cible | Windows |
| Protocole C2 | — |
| Objectif | RDP ransomware |
| Année de première observation | 2019 |
| Autres noms | Eking |
Indicateurs de menace (IOC)
- SHA256:
d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08 - MD5:
42553b52c33d2b5f8a747819d0bf97d5
Vous pouvez vérifier toutes les valeurs de hachage de cet échantillon sur VirusTotal.
Guide de nettoyage du système
- Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
- Ne payez pas la rançon — rien ne garantit la récupération des fichiers
- Mettez en quarantaine les disques concernés
- Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
- Essayez les outils de déchiffrement disponibles (projet NoMoreRansom)
- Signalez l’incident aux autorités (unité de cybercriminalité)
- Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın
Indices de règles YARA
rule Phobos_SHA256 {
meta:
description = "Phobos sample: d4cb20dba15d88c3"
threat_level = "high"
first_seen = "2023-09-15"
condition:
hash.sha256(0, filesize) == "d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08"
}
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.
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
Liste IOC (2 indicateurs)
# SHA256
d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08
# MD5
42553b52c33d2b5f8a747819d0bf97d5
| Type | Valeur | Note |
|---|---|---|
| sha256 | d4cb20dba15d88c38c35be69fe04538b4f9bb0a12edb51ff23c0171b584edf08 | Sample:Phobos |
| md5 | 42553b52c33d2b5f8a747819d0bf97d5 | Sample:Phobos |