Emotet — OlympicSt.exe [3d9c975f]

Hash / Bilgi	Deger
SHA256	3d9c975f79b08957f18c83aead4d31e37ee1939046f9f7b946ef8516293aa1f2
MD5	b07b07641389b1d1bedf70e4a2d9551d
SHA1	4fb9a7f8d6ad2725a29673b0c9c5f4c7ab6fda78
ImpHash	f00aba04ca44326a1804d333f2b36320
Dosya Adi	OlympicSt.exe
Dosya Türü	exe
Boyut	55,825 bytes
Ilk Görülme	2025-06-21

Tehdit Degerlendirmesi

Bu ornek, hedef sisteme ek zararlı yazılım yuklemek amacıyla tasarlanmis moduler bir yukleyici (loader) olarak tespit edilmistir. Bankacılık trojanları, fidye yazılımları veya diger ikinci asama yukler indirebilmektedir.

Tespit Edilen Yetenekler

Payload Indirme
Surec Enjeksiyonu
Kalicilik
Anti-Analiz
Sifrelenmis Iletisim

MalwareBazaar Etiketleri

bankerEmotetexestealerTinbaVBKrypt

Analiz Notu

Bu ornek Emotet ailesine ait ve MalwareBazaar platformundan alınmıstır. KEYDAL Guvenlik Arastirmaları tarafından metadata analizi gerceklestirilmis ve IOC veritabanına eklenmistir.

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.

Malware Type

Loader

Programming Language

C2 Protocol

HTTP

Target Systems

Windows

Also Known As (AKA)

Heodo

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

Payload İndirme

Süreç Enjeksiyonu

Modüler Mimari

Kimlik Bilgisi Hırsızlığı

Yanal Hareket

Kalıcılık

Anti-VM/Sandbox

İkincil Payload Dağıtımı

IOC List (2 indicators)

IOC — Emotet

# SHA256
3d9c975f79b08957f18c83aead4d31e37ee1939046f9f7b946ef8516293aa1f2

# MD5
b07b07641389b1d1bedf70e4a2d9551d

Type	Value	Note
sha256	3d9c975f79b08957f18c83aead4d31e37ee1939046f9f7b946ef8516293aa1f2
md5	b07b07641389b1d1bedf70e4a2d9551d

Emotet — Go to Full Profile →

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.