Kriptografik Tanımlayıcılar
| SHA256 | c0e70e69d8f7432383fa37528cd42db764b73dd08eb75d72229c2a0d02e538cc |
|---|---|
| MD5 | 242e18ecbe7bfd1a505f33c1b5bacb30 |
| Dosya Türü | elf |
| Boyut | 5594.5 KB |
| İlk Görülme | 2023-04-17 |
| Dosya Adı | lock |
| Etiketler | ALPHV, blackcat, elf, Ransomware |
Malware Ailesi: BlackCat
BlackCat, Rust ile yazılan ransomware'dir.
| Tür | Ransomware |
|---|---|
| Programlama Dili | Rust |
| Hedef Platform | Windows/Linux |
| C2 Protokolü | — |
| Amaç | Çapraz platform ransomware |
| İlk Görülen Yıl | 2021 |
| Diğer İsimler | ALPHV |
Tehdit Göstergeleri (IOC)
- SHA256:
c0e70e69d8f7432383fa37528cd42db764b73dd08eb75d72229c2a0d02e538cc - MD5:
242e18ecbe7bfd1a505f33c1b5bacb30
Sistem Temizleme Rehberi
- Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
- Fidye ödemeyin — dosyaları geri alma garantisi yoktur
- Etkilenen sürücüleri karantinaya alın
- Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
- Mevcut decryptor tool'ları deneyin (NoMoreRansom projesi)
- Yetkililere ihbarda bulunun
- Temiz bir yedekten kurtarın
YARA Kuralı İpuçları
rule BlackCat_SHA256 {
meta:
description = "BlackCat sample: c0e70e69d8f74323"
threat_level = "critical"
first_seen = "2023-04-17"
condition:
hash.sha256(0, filesize) == "c0e70e69d8f7432383fa37528cd42db764b73dd08eb75d72229c2a0d02e538cc"
}
BlackCat — Malware Profile
BlackCat, Rust ile yazılan ransomware'dir.
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
IOC List (2 indicators)
# SHA256
c0e70e69d8f7432383fa37528cd42db764b73dd08eb75d72229c2a0d02e538cc
# MD5
242e18ecbe7bfd1a505f33c1b5bacb30
| Type | Value | Note |
|---|---|---|
| sha256 | c0e70e69d8f7432383fa37528cd42db764b73dd08eb75d72229c2a0d02e538cc | BlackCat |
| md5 | 242e18ecbe7bfd1a505f33c1b5bacb30 | BlackCat |