BlackCat | Bedrohungsstufe: critical | Typ: Ransomware

Kryptografische Kennungen

SHA2563d457b11a195ea28d5ce30afa350c5e718302a310da4eb0746406dba270f55b3
MD5e864260c84b434bbdb0f544a9a79ec75
Dateitypexe
Größe2991.0 KB
Erstsichtung2022-10-12
Dateiname3d457b11a195ea28d5ce30afa350c5e718302a310da4eb0746406dba270f55b3
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: 3d457b11a195ea28d5ce30afa350c5e718302a310da4eb0746406dba270f55b3
  • MD5: e864260c84b434bbdb0f544a9a79ec75

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: 3d457b11a195ea28"
        threat_level = "critical"
        first_seen = "2022-10-12"
    condition:
        hash.sha256(0, filesize) == "3d457b11a195ea28d5ce30afa350c5e718302a310da4eb0746406dba270f55b3"
}

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 3d457b11a195ea28d5ce30afa350c5e718302a310da4eb0746406dba270f55b3 # MD5 e864260c84b434bbdb0f544a9a79ec75
TypWertBemerkung
sha256 3d457b11a195ea28d5ce30afa350c5e718302a310da4eb0746406dba270f55b3
md5 e864260c84b434bbdb0f544a9a79ec75
Tags
blackcatransomwaremalwarecriticalsha256analizzenginleştirilmiş