Identifiants cryptographiques
| SHA256 | 3a08e3bfec2db5dbece359ac9662e65361a8625a0122e68b56cd5ef3aedf8ce1 |
|---|---|
| MD5 | 92ed8739cfb9132c8b57016e3c071a28 |
| Type de fichier | elf |
| Taille | 1877.0 KB |
| Première observation | 2022-11-15 |
| Nom du fichier | 3a08e3bfec2db5dbece359ac9662e65361a8625a0122e68b56cd5ef3aedf8ce1 |
| Étiquettes | blackcat, elf, Ransomware |
Famille de malware: BlackCat
BlackCat, Rust ransomware'dir.
| Type | Ransomware |
|---|---|
| Langage de programmation | Rust |
| Plateforme cible | Windows/Linux |
| Protocole C2 | — |
| Objectif | Ransomware |
| Année de première observation | 2021 |
| Autres noms | ALPHV |
Indicateurs de menace (IOC)
- SHA256:
3a08e3bfec2db5dbece359ac9662e65361a8625a0122e68b56cd5ef3aedf8ce1 - MD5:
92ed8739cfb9132c8b57016e3c071a28
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 BlackCat_SHA256 {
meta:
description = "BlackCat sample: 3a08e3bfec2db5db"
threat_level = "critical"
first_seen = "2022-11-15"
condition:
hash.sha256(0, filesize) == "3a08e3bfec2db5dbece359ac9662e65361a8625a0122e68b56cd5ef3aedf8ce1"
}
BlackCat — Profil du malware
BlackCat, Rust ile yazılan ransomware'dir.
Détails techniques
BlackCat (ALPHV) is the first major ransomware written in Rust, enabling cross-platform attacks on Windows, Linux, and VMware ESXi. Emerged November 2021 as a RaaS operation. Triple extortion: file encryption + data exfiltration + DDoS threats. Uses AES-128 (CTR mode) or ChaCha20 for file encryption with RSA-2048 for key protection. Highly configurable JSON config: target extensions, excluded paths, credential stuffing. Uses intermittent encryption (partial file encryption) for speed. ALPHV 3.0 (Sphynx) introduced EXMATTER data exfiltration tool. FBI disrupted December 2023 with decryption keys released for 500 victims. Believed operated by former DarkSide/BlackMatter members.
Attribution / Acteur de la menace
ALPHV (linked to DarkSide/BlackMatter)
Capacités et comportement
Liste IOC (2 indicateurs)
# SHA256
3a08e3bfec2db5dbece359ac9662e65361a8625a0122e68b56cd5ef3aedf8ce1
# MD5
92ed8739cfb9132c8b57016e3c071a28
| Type | Valeur | Note |
|---|---|---|
| sha256 | 3a08e3bfec2db5dbece359ac9662e65361a8625a0122e68b56cd5ef3aedf8ce1 | Sample:BlackCat |
| md5 | 92ed8739cfb9132c8b57016e3c071a28 | Sample:BlackCat |