BlackCat | 威胁等级: critical | 类型: Ransomware

加密标识符

SHA256f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e
MD50646491738c76fd6a9eefaed43eabf43
文件类型exe
大小2921.5 KB
首次发现2022-02-22
文件名f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e
标签blackcat, exe, Ransomware

恶意软件家族: BlackCat

BlackCat, Rust ransomware'dir.

类型Ransomware
编程语言Rust
目标平台Windows/Linux
C2 协议
用途Ransomware
首次发现年份2021
别名ALPHV

威胁指标 (IOC)

  • SHA256: f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e
  • MD5: 0646491738c76fd6a9eefaed43eabf43

您可以在 VirusTotal 上验证此样本的所有哈希值。

系统清理指南

  1. Sistemi ağdan DERHAL ayırın — diğer cihazlara yayılmayı durdurun
  2. 不要支付赎金——无法保证恢复文件
  3. 隔离受影响的驱动器
  4. Kullanılan fidye yazılımı ailesini belirleyin (nomoreransom.org)
  5. 尝试可用的解密工具(NoMoreRansom 项目)
  6. 向执法部门(网络犯罪部门)报案
  7. Temiz bir yedekten kurtarın; yedeğiniz yoksa sürücüyü saklayın

YARA 规则提示

rule BlackCat_SHA256 {
    meta:
        description = "BlackCat sample: f2b3f1ed693021b2"
        threat_level = "critical"
        first_seen = "2022-02-22"
    condition:
        hash.sha256(0, filesize) == "f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e"
}

BlackCat — 恶意软件档案

BlackCat, Rust ile yazılan ransomware'dir.

恶意软件类型
Ransomware
编程语言
Rust
C2协议
目标系统
Windows/Linux
别名 (AKA)
ALPHV

技术细节

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.

归因 / 威胁行为者

ALPHV (linked to DarkSide/BlackMatter)

能力与行为

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列表 (2 个指标)

IOC — BlackCat
# SHA256 f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e # MD5 0646491738c76fd6a9eefaed43eabf43
类型备注
sha256 f2b3f1ed693021b20f456a058b86b08abfc4876c7a3ae18aea6e95567fd55b2e Sample:BlackCat
md5 0646491738c76fd6a9eefaed43eabf43 Sample:BlackCat
标签
blackcatransomwaremalwarecriticalsha256hash-analizi