Hash / BilgiDeger
SHA2563fa4a10d6132b2c7234726ce029c65ebdd605335bd29befd37118f23cec1afb3
MD5c6757e0216d77d7b4425ec238b1c7ff4
SHA1d304f97d9b77953a2a03ec6337f081ab9cb2522b
Dosya Adi17754786359.zip
Dosya Türüzip
Boyut5,962,999 bytes
Ilk Görülme2024-06-23

Tehdit Degerlendirmesi

Bu ornek, kurban sistemindeki dosyaları sifreleyerek erisimi engelleyen ve sifre cozme anahtarı karsılıgında fidye talep eden bir fidye yazılımı olarak analiz edilmistir.

Tespit Edilen Yetenekler

  • Dosya Sifreleme
  • Golge Kopya Silme
  • Fidye Notu
  • Yedek Yok Etme
  • Veri Sizdirma

MalwareBazaar Etiketleri

blackcatRansomwareRansomware.Chaoszip

Analiz Notu

Bu ornek BlackCat ailesine ait ve MalwareBazaar platformundan alınmıstır. KEYDAL Guvenlik Arastirmaları tarafından metadata analizi gerceklestirilmis ve IOC veritabanına eklenmistir.

BlackCat — Malware Profile

BlackCat, Rust ile yazılan ransomware'dir.

Malware Type
Ransomware
Programming Language
Rust
C2 Protocol
Target Systems
Windows/Linux
Also Known As (AKA)
ALPHV

Technical 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 / Threat Actor

ALPHV (linked to DarkSide/BlackMatter)

Capabilities & Behavior

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 List (2 indicators)

IOC — BlackCat
# SHA256 3fa4a10d6132b2c7234726ce029c65ebdd605335bd29befd37118f23cec1afb3 # MD5 c6757e0216d77d7b4425ec238b1c7ff4
TypeValueNote
sha256 3fa4a10d6132b2c7234726ce029c65ebdd605335bd29befd37118f23cec1afb3
md5 c6757e0216d77d7b4425ec238b1c7ff4
Tags
blackcatRansomwareRansomware.Chaoszip