DCRat | 威胁等级: high | 类型: RAT

加密标识符

SHA256aef09c3db2ceb1a2d3047f1c61d982f1aa6114176b600eac75a7a63bc7f9847a
MD59db4c81c02156f9091cebc2f58169962
文件类型exe
大小932.5 KB
首次发现2025-08-21
文件名9db4c81c02156f9091cebc2f58169962.exe
标签DCRat, exe, RAT

恶意软件家族: DCRat

DCRat, modüler RAT'tır.

类型RAT
编程语言C#/.NET
目标平台Windows
C2 协议HTTP
用途Plugin tabanlı RAT
首次发现年份2019
别名DarkCrystal

威胁指标 (IOC)

  • SHA256: aef09c3db2ceb1a2d3047f1c61d982f1aa6114176b600eac75a7a63bc7f9847a
  • MD5: 9db4c81c02156f9091cebc2f58169962

您可以在 VirusTotal 上验证此样本的所有哈希值。

系统清理指南

  1. 将系统从网络断开——拔掉网线,关闭 Wi-Fi
  2. 在任务管理器中结束可疑进程
  3. 使用 Malwarebytes 或 Kaspersky 进行全盘扫描
  4. HKCU\Software\Microsoft\Windows\CurrentVersion\Run kayıtlarını kontrol edin
  5. 在任务计划程序中检查新建的计划任务
  6. 使用未感染的设备更改所有账户密码
  7. Gerekirse Windows'u yeniden yükleyin ve verilerinizi temiz bir yedeğe geri alın

YARA 规则提示

rule DCRat_SHA256 {
    meta:
        description = "DCRat sample: aef09c3db2ceb1a2"
        threat_level = "high"
        first_seen = "2025-08-21"
    condition:
        hash.sha256(0, filesize) == "aef09c3db2ceb1a2d3047f1c61d982f1aa6114176b600eac75a7a63bc7f9847a"
}

DCRat — 恶意软件档案

DCRat Rusça RAT. sostener1.vbs VBScript dropper. PowerShell ExecutionPolicy Bypass. geutqmonpmjthuux.ru DGA C2.

恶意软件类型
RAT
编程语言
C#/.NET
C2协议
HTTP
目标系统
Windows
别名 (AKA)
DarkCrystal

技术细节

.NET C#, AES-128-CBC sifreleme, plugin mimarisi (DLLler), TCP varsayilan port 5552, SQLite lokal depolama, Anti-VM/Sandbox (Process check, Registry), Loader, Stealer, RAT modulleri ayri

能力与行为

Uzaktan Erişim & Kontrol
Keylogger
Ekran Görüntüsü
Webcam Erişimi
Dosya Yönetimi
Süreç Yönetimi
Komut Yürütme
Kalıcılık Mekanizması

IOC列表 (2 个指标)

IOC — DCRat
# SHA256 aef09c3db2ceb1a2d3047f1c61d982f1aa6114176b600eac75a7a63bc7f9847a # MD5 9db4c81c02156f9091cebc2f58169962
类型备注
sha256 aef09c3db2ceb1a2d3047f1c61d982f1aa6114176b600eac75a7a63bc7f9847a Sample:DCRat
md5 9db4c81c02156f9091cebc2f58169962 Sample:DCRat

C2服务器 (该家族共有 8 台已记录服务器)

地址 类型 端口 协议 状态 国家
microsoft.com domain — TCP active —
digicert.com domain — TCP active —
crypto.io domain — TCP active —
microsoft.com domain — TCP active —
microsoft.com domain — TCP active —
microsoft.com domain — TCP active —
microsoft.com domain — TCP active —
microsoft.com domain — TCP active —

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
dcratratmalwarehighsha256hash-analizi