BlackCat | Bedrohungsstufe: critical | Typ: Ransomware

Kryptografische Kennungen

SHA256655abd0b5067ec53b25ea387c9aebe0fbafd5209e53bc7447c7d7425cb76b175
MD5aac32c2f1c860af31c48a64a6af56ff1
Dateitypexe
Größe2997.0 KB
Erstsichtung2022-06-21
Dateiname655abd0b5067ec53b25ea387c9aebe0fbafd5209e53bc7447c7d7425cb76b175
Tagsblackcat, BlackCat Indicators, exe

Malware-Familie: BlackCat

BlackCat, Rust ransomware'dir.

TypRansomware
ProgrammierspracheRust
ZielplattformWindows/Linux
C2-Protokoll
ZweckRansomware
Jahr der Erstsichtung2021
Andere NamenALPHV

Bedrohungsindikatoren (IOC)

  • SHA256: 655abd0b5067ec53b25ea387c9aebe0fbafd5209e53bc7447c7d7425cb76b175
  • MD5: aac32c2f1c860af31c48a64a6af56ff1

Sie können alle Hash-Werte dieses Samples auf VirusTotal überprüfen.

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. Melden Sie den Vorfall den Behörden (Cybercrime-Einheit)
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

Hinweise für YARA-Regeln

rule BlackCat_SHA256 {
    meta:
        description = "BlackCat sample: 655abd0b5067ec53"
        threat_level = "critical"
        first_seen = "2022-06-21"
    condition:
        hash.sha256(0, filesize) == "655abd0b5067ec53b25ea387c9aebe0fbafd5209e53bc7447c7d7425cb76b175"
}

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 655abd0b5067ec53b25ea387c9aebe0fbafd5209e53bc7447c7d7425cb76b175 # MD5 aac32c2f1c860af31c48a64a6af56ff1
TypWertBemerkung
sha256 655abd0b5067ec53b25ea387c9aebe0fbafd5209e53bc7447c7d7425cb76b175 Sample:BlackCat
md5 aac32c2f1c860af31c48a64a6af56ff1 Sample:BlackCat
Tags
blackcatransomwaremalwarecriticalsha256hash-analizi