SmokeLoader Malware Analizi

Dosya Ozellikleri

SHA256: fe18dba2d72ccf4a907d07674b18d1bc23e3ea10f66cbf2a79e73000df43b358

MD5: 2092e90739b3c899d1a4a45e3840bf2c

Dosya Tipi: exe

Boyut: 6,006,784 byte

Ilk Gorulme: 2025-04-18

AV Imzasi: SmokeLoader

Imphash: 2eabe9054cad5152567f0699947a2c5b

Raporlayan: iamaachum

Etiketler: exe, Smoke Loader, SmokeLoader

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 fe18dba2d72ccf4a907d07674b18d1bc23e3ea10f66cbf2a79e73000df43b358
TürDeğerNot
filepath fe18dba2d72ccf4a907d07674b18d1bc23e3ea10f66cbf2a79e73000df43b358 PDB

C2 Sunucuları (Bu aile için 5 kayıtlı sunucu)

Adres Tip 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
exeSmoke LoaderSmokeLoader