Emotet — deobfuscated.js [ea13d651]

Hash / Bilgi	Deger
SHA256	ea13d6516f8495adb58f5aabe1961be79833696c6172f71d02885e36b8b01a68
MD5	972c9ea0e66cc32de5538d06a254982c
SHA1	b75f48301203517c0bd400601fd79144c82b9f5d
Dosya Adi	deobfuscated.js
Dosya Türü	js
Boyut	692 bytes
Ilk Görülme	2024-04-17

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

deobfuscateddropperEmotetjs

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
ea13d6516f8495adb58f5aabe1961be79833696c6172f71d02885e36b8b01a68

# MD5
972c9ea0e66cc32de5538d06a254982c

Type	Value	Note
sha256	ea13d6516f8495adb58f5aabe1961be79833696c6172f71d02885e36b8b01a68
md5	972c9ea0e66cc32de5538d06a254982c

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.