BlackBasta | 威胁等级: critical | 类型: Ransomware

加密标识符

SHA256a9503a3d998e705c37d3bec7fea0ff188bcf7e753833c8b4b195e590c4ed9625
MD5a2086f41bc06adc69517bc0d9c07bf6e
文件类型exe
大小830.9 KB
首次发现2022-11-03
文件名a9503a3d998e705c37d3bec7fea0ff188bcf7e753833c8b4b195e590c4ed9625
标签BlackBasta, exe

恶意软件家族: BlackBasta

Black Basta, Conti üyeleriyle ilişkilidir.

类型Ransomware
编程语言C++
目标平台Windows/Linux
C2 协议
用途Conti türevi ransomware
首次发现年份2022

威胁指标 (IOC)

  • SHA256: a9503a3d998e705c37d3bec7fea0ff188bcf7e753833c8b4b195e590c4ed9625
  • MD5: a2086f41bc06adc69517bc0d9c07bf6e

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 BlackBasta_SHA256 {
    meta:
        description = "BlackBasta sample: a9503a3d998e705c"
        threat_level = "critical"
        first_seen = "2022-11-03"
    condition:
        hash.sha256(0, filesize) == "a9503a3d998e705c37d3bec7fea0ff188bcf7e753833c8b4b195e590c4ed9625"
}

BlackBasta — 恶意软件档案

Black Basta ransomware grubu loaer/dropper. Microsoft Office Setup Engine (ose.pdb) olarak gizlenir. Global\OfficeSourceEngine64Mutex sahte mutex. Self-modifying .ex_cod section. Minimal import + runtime GetProcAddress API cozme. WinHttp C2. Token manipulasyonu.

恶意软件类型
Ransomware
编程语言
C++
C2协议
目标系统
Windows/Linux

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 — BlackBasta
# SHA256 a9503a3d998e705c37d3bec7fea0ff188bcf7e753833c8b4b195e590c4ed9625 # MD5 a2086f41bc06adc69517bc0d9c07bf6e
类型备注
sha256 a9503a3d998e705c37d3bec7fea0ff188bcf7e753833c8b4b195e590c4ed9625 Sample:BlackBasta
md5 a2086f41bc06adc69517bc0d9c07bf6e Sample:BlackBasta

C2服务器 (该家族共有 1 台已记录服务器)

地址 类型 端口 协议 状态 国家
aazsbsgya565vlu2c6bzy6yfiebkcbtvvcytvolt33s77xypi7nypxyd.onion domain 443 — inactive —

C2 地址仅来自 KEYDAL 团队人工验证的恶意软件样本。禁止用于商业用途。

标签
blackbastaransomwaremalwarecriticalsha256hash-analizi