Emotet | 威胁等级: critical | 类型: Loader

加密标识符

SHA256ce3d3d239bbe3f20fdeb43ece501e4ded7f244bb7846970584aaeb35fa085845
MD54d924c6664544a74fe5a46b40114cbf7
文件类型zip
大小786.5 KB
首次发现2023-03-10
文件名youpmMjIOwNIWyh8UQbkVh2JYRxCcDD.zip
标签Emotet, file-pumped, Heodo, zip

恶意软件家族: Emotet

Emotet, tehlikeli botnet'tir.

类型Loader
编程语言C
目标平台Windows
C2 协议HTTP
用途Kötü amaçlı yazılım dağıtımı
首次发现年份2014
别名Heodo

威胁指标 (IOC)

  • SHA256: ce3d3d239bbe3f20fdeb43ece501e4ded7f244bb7846970584aaeb35fa085845
  • MD5: 4d924c6664544a74fe5a46b40114cbf7

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——加载器可能正在下载其他恶意软件
  2. 分析所有已下载的载荷
  3. 检查全部网络流量,切断可疑连接
  4. 执行完整的杀毒扫描
  5. 考虑重装系统

YARA 规则提示

rule Emotet_SHA256 {
    meta:
        description = "Emotet sample: ce3d3d239bbe3f20"
        threat_level = "critical"
        first_seen = "2023-03-10"
    condition:
        hash.sha256(0, filesize) == "ce3d3d239bbe3f20fdeb43ece501e4ded7f244bb7846970584aaeb35fa085845"
}

Emotet — 恶意软件档案

Emotet (Heodo/Mealybug/TA542) 32-bit DLL payload. Process enumeration via CreateToolhelp32Snapshot+Process32First/Next. VirtualAlloc+VirtualProtect shellcode staging. ntdll.dll direct calls. Low entropy 3.92 (stage-1 loader/encoded payload). Suspicious imagebase and DOS stub.

恶意软件类型
Loader
编程语言
C
C2协议
HTTP
目标系统
Windows
别名 (AKA)
Heodo

技术细节

C dili, HTTP C2 (RSA+AES sifreleme), modular yapi (email stealer, spreader, Outlook harvester), process hollowing, living off the land (regsvr32, mshta, certutil), Epoch1/2/3/4/5 botnet

归因 / 威胁行为者

TA542 (MUMMY SPIDER) - Ukrayna kokenli oldugu dusunulen organizasyon. 2021'de Europol/FBI tarafindan coguyla tutuklandi; 2022'de geri dondu.

能力与行为

Payload İndirme
Süreç Enjeksiyonu
Modüler Mimari
Kimlik Bilgisi Hırsızlığı
Yanal Hareket
Kalıcılık
Anti-VM/Sandbox
İkincil Payload Dağıtımı

IOC列表 (2 个指标)

IOC — Emotet
# SHA256 ce3d3d239bbe3f20fdeb43ece501e4ded7f244bb7846970584aaeb35fa085845 # MD5 4d924c6664544a74fe5a46b40114cbf7
类型备注
sha256 ce3d3d239bbe3f20fdeb43ece501e4ded7f244bb7846970584aaeb35fa085845 Sample:Emotet
md5 4d924c6664544a74fe5a46b40114cbf7 Sample:Emotet

C2服务器 (该家族共有 7 台已记录服务器)

地址 类型 端口 协议 状态 国家
41.216.188.11 ip 8000 HTTP active —
103.143.173.206 ip 443 HTTPS inactive ID
144.91.65.153 ip 7080 HTTP inactive DE
195.88.54.144 ip 8080 HTTP sinkholed —
103.43.46.149 ip 443 HTTPS sinkholed —
185.220.101.32 ip 80 HTTP sinkholed DE
5.135.183.154 ip 8080 HTTP sinkholed FR

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
emotetloadermalwarecriticalsha256hash-analizi