BlackCat | Bedrohungsstufe: critical | Typ: Ransomware

Kryptografische Kennungen

SHA25653570d6534ecb6c826a2ae043a6d9ae6c026bbb35a48d8bb750a6b6f03525a03
MD5676edc977738e12afe401808f7f45b18
Dateitypexe
Größe12002.0 KB
Erstsichtung2023-02-01
Dateiname53570d6534ecb6c826a2ae043a6d9ae6c026bbb35a48d8bb750a6b6f03525a03
Tagsblackcat

Malware-Familie: BlackCat

BlackCat, Rust ile yazılan ransomware'dir.

TypRansomware
ProgrammierspracheRust
ZielplattformWindows/Linux
C2-Protokoll
ZweckÇapraz platform ransomware
Jahr der Erstsichtung2021
Andere NamenALPHV

Bedrohungsindikatoren (IOC)

  • SHA256: 53570d6534ecb6c826a2ae043a6d9ae6c026bbb35a48d8bb750a6b6f03525a03
  • MD5: 676edc977738e12afe401808f7f45b18

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 BlackCat_SHA256 {
    meta:
        description = "BlackCat sample: 53570d6534ecb6c8"
        threat_level = "critical"
        first_seen = "2023-02-01"
    condition:
        hash.sha256(0, filesize) == "53570d6534ecb6c826a2ae043a6d9ae6c026bbb35a48d8bb750a6b6f03525a03"
}

BlackCat — Malware-Profil

BlackCat, Rust ile yazılan ransomware'dir.

Malware-Typ
Ransomware
Programmiersprache
Rust
C2-Protokoll
Zielsysteme
Windows/Linux
Auch bekannt als (AKA)
ALPHV

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

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 — BlackCat
# SHA256 53570d6534ecb6c826a2ae043a6d9ae6c026bbb35a48d8bb750a6b6f03525a03 # MD5 676edc977738e12afe401808f7f45b18
TypWertBemerkung
sha256 53570d6534ecb6c826a2ae043a6d9ae6c026bbb35a48d8bb750a6b6f03525a03
md5 676edc977738e12afe401808f7f45b18
Tags
blackcatransomwaremalwarecriticalsha256analizzenginleştirilmiş