Kriptografik Tanımlayıcılar
| SHA256 | 251037ceebfbacd419b663ebcf0e01ec80a2c46dbfc85f66492c8585b481fb8c |
|---|---|
| MD5 | 803385cf25070740f5b09e685d2f531c |
| Dosya Türü | exe |
| Boyut | 10875.0 KB |
| İlk Görülme | 2026-04-23 |
| Dosya Adı | stage2_payload_20260423T055308Z.bin |
| Etiketler | Emotet |
Malware Ailesi: Emotet
Emotet, tehlikeli botnet'tir.
| Tür | Loader |
|---|---|
| Programlama Dili | C |
| Hedef Platform | Windows |
| C2 Protokolü | HTTP |
| Amaç | Kötü amaçlı yazılım dağıtımı |
| İlk Görülen Yıl | 2014 |
| Diğer İsimler | Heodo |
Tehdit Göstergeleri (IOC)
- SHA256:
251037ceebfbacd419b663ebcf0e01ec80a2c46dbfc85f66492c8585b481fb8c - MD5:
803385cf25070740f5b09e685d2f531c
Sistem Temizleme Rehberi
- Sistemi ağdan ayırın — Loader başka zararlı yazılım indiriyor olabilir
- İndirilen tüm payload'ları analiz edin
- Tüm ağ trafiğini inceleyin, şüpheli bağlantıları kesin
- Antivirüs ile tam tarama yapın
- Sistem yenileme düşünün
YARA Kuralı İpuçları
rule Emotet_SHA256 {
meta:
description = "Emotet sample: 251037ceebfbacd4"
threat_level = "critical"
first_seen = "2026-04-23"
condition:
hash.sha256(0, filesize) == "251037ceebfbacd419b663ebcf0e01ec80a2c46dbfc85f66492c8585b481fb8c"
}Emotet — Malware Profile
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.
Technical Details
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
Attribution / Threat Actor
TA542 (MUMMY SPIDER) - Ukrayna kokenli oldugu dusunulen organizasyon. 2021'de Europol/FBI tarafindan coguyla tutuklandi; 2022'de geri dondu.
Capabilities & Behavior
IOC List (2 indicators)
# SHA256
251037ceebfbacd419b663ebcf0e01ec80a2c46dbfc85f66492c8585b481fb8c
# MD5
803385cf25070740f5b09e685d2f531c
| Type | Value | Note |
|---|---|---|
| sha256 | 251037ceebfbacd419b663ebcf0e01ec80a2c46dbfc85f66492c8585b481fb8c | Emotet |
| md5 | 803385cf25070740f5b09e685d2f531c | Emotet |
C2 Servers (7 recorded servers for this family)
| Address | Type | Port | Protocol | Status | Country |
|---|---|---|---|---|---|
| 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 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.