SmokeLoader Malware Analizi

Dosya Ozellikleri

SHA256: 675fd5dc0b60f4210f218e3726f9c47c26a23a0eb796ea73a3c0eb8de7355770

MD5: 43b8954e8abf124849b8a0cc178937a4

Dosya Tipi: exe

Boyut: 211,968 byte

Ilk Gorulme: 2022-09-10

AV Imzasi: NetSupport

Imphash: 5d5b8d072fdd778d9ba9ec0c36bae15d

Raporlayan: abuse_ch

Etiketler: exe, NetSupport, SmokeLoader, ysanhumeg1-com

Statik analiz: metadata tabanli (ornek indirilmedi)

SmokeLoader — Malware Profili

SmokeLoader. autoruns.exe Sysinternals version info spoofing. Spaso developer PDB username. stub.pdb loader project artifact.

Malware Tipi
Loader
Programlama Dili
C
C2 Protokolü
HTTP
Hedef Sistemler
Windows
Diğer Adlar (AKA)
Dofoil

Teknik Detaylar

SmokeLoader (Dofoil/Smoke Bot) is a modular loader/downloader active since 2011. Primary function: download and execute additional payloads (Emotet, TrickBot, FormBook, Ursnif). Heavy obfuscation: string encryption (RC4+XOR), process injection via APC, code injection. Heaven's Gate technique: switches from 32-bit to 64-bit mode to evade WoW64 hooks. Anti-analysis: CPUID-based VM detection, process listing for analysis tools, timing checks. Uses process hollowing to inject into explorer.exe or svchost.exe. C2 communication: RC4-encrypted HTTP POST requests with bot ID, campaign ID. Sold as pay-per-install (PPI) service on underground forums (~$400/1000 installs). Frequently updated to bypass detection, >100 variants documented.

Atıf / Tehdit Aktörü

Unknown (sold on underground forums, multiple operators)

Yetenekler ve Davranış

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

IOC Listesi (1 gösterge)

IOC — SmokeLoader
# FILEPATH 675fd5dc0b60f4210f218e3726f9c47c26a23a0eb796ea73a3c0eb8de7355770
TürDeğerNot
filepath 675fd5dc0b60f4210f218e3726f9c47c26a23a0eb796ea73a3c0eb8de7355770 PDB

C2 Sunucuları (Bu aile için 5 kayıtlı sunucu)

Adres Tür Port Protokol Durum Ülke
80.66.75.36 ip 80 HTTP inactive RU
148.72.171.175 ip 80 HTTP inactive US
91.243.44.247 ip 8888 HTTP inactive RU
185.173.35.16 ip 8080 HTTP inactive RU
torcavpcs1.atitech.com domain 443 TCP inactive —

C2 adresleri yalnızca KEYDAL ekibinin manuel olarak doğruladığı malware örnekleri üzerinden sunulmaktadır. Ticari amaçla kullanılamaz.

Etiketler
exeNetSupportSmokeLoaderysanhumeg1-com