Kryptografische Kennungen
| SHA256 | 46daafc57c385a2d0b5516c058ead1ee9a49c7e5c0d411f546fb31985a61fe38 |
|---|---|
| MD5 | 6ff9900b271090361e63f5242ee4e8b0 |
| Dateityp | exe |
| Größe | 33301.5 KB |
| Erstsichtung | 2023-04-06 |
| Dateiname | 46daafc57c385a2d0b5516c058ead1ee9a49c7e5c0d411f546fb31985a61fe38 |
| Tags | blackcat, direct-cpu-clock-access, exe, Ransomware, runtime-modules, v3 |
Malware-Familie: BlackCat
BlackCat, Rust ile yazılan ransomware'dir.
| Typ | Ransomware |
|---|---|
| Programmiersprache | Rust |
| Zielplattform | Windows/Linux |
| C2-Protokoll | — |
| Zweck | Çapraz platform ransomware |
| Jahr der Erstsichtung | 2021 |
| Andere Namen | ALPHV |
Bedrohungsindikatoren (IOC)
- SHA256:
46daafc57c385a2d0b5516c058ead1ee9a49c7e5c0d411f546fb31985a61fe38 - MD5:
6ff9900b271090361e63f5242ee4e8b0
Sie können alle Hash-Werte dieses Samples auf VirusTotal überprüfen.
Anleitung zur Systembereinigung
- Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
- Zahlen Sie kein Lösegeld — es gibt keine Garantie für die Wiederherstellung
- Stellen Sie die betroffenen Laufwerke unter Quarantäne
- Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
- Probieren Sie verfügbare Entschlüsselungstools (Projekt NoMoreRansom)
- Melden Sie den Vorfall den Behörden (Cybercrime-Einheit)
- Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın
Hinweise für YARA-Regeln
rule BlackCat_SHA256 {
meta:
description = "BlackCat sample: 46daafc57c385a2d"
threat_level = "critical"
first_seen = "2023-04-06"
condition:
hash.sha256(0, filesize) == "46daafc57c385a2d0b5516c058ead1ee9a49c7e5c0d411f546fb31985a61fe38"
}
BlackCat — Malware-Profil
BlackCat, Rust ile yazılan ransomware'dir.
Technische Details
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 / Bedrohungsakteur
ALPHV (linked to DarkSide/BlackMatter)
Fähigkeiten & Verhalten
IOC-Liste (2 Indikatoren)
# SHA256
46daafc57c385a2d0b5516c058ead1ee9a49c7e5c0d411f546fb31985a61fe38
# MD5
6ff9900b271090361e63f5242ee4e8b0
| Typ | Wert | Bemerkung |
|---|---|---|
| sha256 | 46daafc57c385a2d0b5516c058ead1ee9a49c7e5c0d411f546fb31985a61fe38 | Sample:BlackCat |
| md5 | 6ff9900b271090361e63f5242ee4e8b0 | Sample:BlackCat |