Fichier Kimligi
| SHA256 | 0452908a27eb9abf853e8d1b099322a77f2ecb4096be2648ef49ec1d5c9d6d45 |
|---|---|
| Etiket | Heodo (Emotet'in yeniden adlandirilmis hali) |
| Format | 32-bit Windows DLL |
| Taille | 129.024 byte |
| String Sayisi | 506 (agir paketli) |
Analiz Bulgulari
Bu ornek, Emotet'in modüler DLL mimarisinin bir parcasidir. Yuksek entropy ve dusuk string sayisi (506), guclu bir packer veya sifreleme katmaninin varligina isaret etmektedir. Statik string analizinde cleartext C2, URL veya email IOC bulunamadi.
Emotet Architecturesi
- Loader DLL: Ana modul, bellekte calisir, diskte nadir iz brakir
- C2 Haberlesme: Sifreli HTTP POST, C2 listesi sablonlarda sakli
- Modüler: Spambot, credential harvester, lateral movement modul'leri indirir
- Payload Indirme: IcedID, Qakbot, Cobalt Strike gibi ikinci asama payload'lar yukler
Emotet Hakkinda
Emotet (ilk olarak 2014'te bir banking trojan olarak ortaya cikti), 2021'de Europol operasyonuyla kapatildi, ancak 2021 sonunda yeniden aktif hale geldi. Moduler yapisi sayesinde email spam gonderimi, credential theft ve enterprise networklerinde lateral movement gerceklestirebilir. Cobalt Strike ve ransomware ailelerinin birincil delivery mekanizmasindan biri olarak bilinir.
IOC
| SHA256 | 0452908a27eb9abf853e8d1b099322a77f2ecb4096be2648ef49ec1d5c9d6d45 |
|---|---|
| Format | 32-bit DLL (modular component) |
| C2 | Bellekte cozulen sablonlanmis IP listesi |
Emotet — Profil du malware
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.
Détails techniques
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 / Acteur de la menace
TA542 (MUMMY SPIDER) - Ukrayna kokenli oldugu dusunulen organizasyon. 2021'de Europol/FBI tarafindan coguyla tutuklandi; 2022'de geri dondu.
Capacités et comportement
Liste IOC (1 indicateurs)
# SHA256
0452908a27eb9abf853e8d1b099322a77f2ecb4096be2648ef49ec1d5c9d6d45
| Type | Valeur | Note |
|---|---|---|
| sha256 | 0452908a27eb9abf853e8d1b099322a77f2ecb4096be2648ef49ec1d5c9d6d45 |
Serveurs C2 (7 serveurs enregistrés pour cette famille)
| Adresse | Type | Port | Protocole | Statut | Pays |
|---|---|---|---|---|---|
| 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 |
Les adresses C2 proviennent uniquement d'échantillons de malwares vérifiés manuellement par l'équipe KEYDAL. Toute utilisation commerciale est interdite.