SmokeLoader | Tehdit Seviyesi: high | Tür: Loader

Kriptografik Tanımlayıcılar

SHA256d28437f0d1be864079538b0e4dd2e2f56efd86ec1b863a178861e696b186eba8
MD550f421e4266ecb2a42cb26195b6534ec
Dosya Türühta
Boyut140.8 KB
İlk Görülme2025-01-17
Dosya Adısheismybestgirlforentiretimegivenmebestthingsforever.hta
Etiketlerhta, Smoke Loader, SmokeLoader

Malware Ailesi: SmokeLoader

SmokeLoader, modüler loader/botnet'tir.

TürLoader
Programlama DiliC
Hedef PlatformWindows
C2 ProtokolüHTTP
AmaçEk yük indiren botnet
İlk Görülen Yıl2011
Diğer İsimlerDofoil

Tehdit Göstergeleri (IOC)

  • SHA256: d28437f0d1be864079538b0e4dd2e2f56efd86ec1b863a178861e696b186eba8
  • MD5: 50f421e4266ecb2a42cb26195b6534ec

Sistem Temizleme Rehberi

  1. Sistemi ağdan ayırın — Loader başka zararlı yazılım indiriyor olabilir
  2. İndirilen tüm payload'ları analiz edin
  3. Tüm ağ trafiğini inceleyin, şüpheli bağlantıları kesin
  4. Antivirüs ile tam tarama yapın
  5. Sistem yenileme düşünün

YARA Kuralı İpuçları

rule SmokeLoader_SHA256 {
    meta:
        description = "SmokeLoader sample: d28437f0d1be8640"
        threat_level = "high"
        first_seen = "2025-01-17"
    condition:
        hash.sha256(0, filesize) == "d28437f0d1be864079538b0e4dd2e2f56efd86ec1b863a178861e696b186eba8"
}

SmokeLoader — Profil du malware

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

Type de malware
Loader
Langage de programmation
C
Protocole C2
HTTP
Systèmes ciblés
Windows
Aussi connu sous (AKA)
Dofoil

Détails techniques

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.

Attribution / Acteur de la menace

Unknown (sold on underground forums, multiple operators)

Capacités et comportement

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

Liste IOC (2 indicateurs)

IOC — SmokeLoader
# SHA256 d28437f0d1be864079538b0e4dd2e2f56efd86ec1b863a178861e696b186eba8 # MD5 50f421e4266ecb2a42cb26195b6534ec
TypeValeurNote
sha256 d28437f0d1be864079538b0e4dd2e2f56efd86ec1b863a178861e696b186eba8
md5 50f421e4266ecb2a42cb26195b6534ec

Serveurs C2 (5 serveurs enregistrés pour cette famille)

Adresse Type Port Protocole Statut Pays
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 —

Les adresses C2 proviennent uniquement d'échantillons de malwares vérifiés manuellement par l'équipe KEYDAL. Toute utilisation commerciale est interdite.

Tags
smokeloaderloadermalwarehighsha256analizzenginleştirilmiş