Kriptografik Tanımlayıcılar
| SHA256 | 41b89f483fdfe5e08f69045b52685a008b4fcb042569b752f686770fbea162b8 |
|---|---|
| MD5 | 8fa4b8f5d1ae61ba8f4538e70b4099c5 |
| Dosya Türü | exe |
| Boyut | 4947.0 KB |
| İlk Görülme | 2025-09-08 |
| Dosya Adı | setup_patched.exe |
| Etiketler | de-pumped, exe, SmokeLoader |
Malware Ailesi: SmokeLoader
SmokeLoader, modüler loader/botnet'tir.
| Tür | Loader |
|---|---|
| Programlama Dili | C |
| Hedef Platform | Windows |
| C2 Protokolü | HTTP |
| Amaç | Ek yük indiren botnet |
| İlk Görülen Yıl | 2011 |
| Diğer İsimler | Dofoil |
Tehdit Göstergeleri (IOC)
- SHA256:
41b89f483fdfe5e08f69045b52685a008b4fcb042569b752f686770fbea162b8 - MD5:
8fa4b8f5d1ae61ba8f4538e70b4099c5
Bu örneğin tüm hash değerlerini VirusTotal üzerinde doğrulayabilirsiniz.
Sistem Temizleme Rehberi
- Sistemi ağdan ayırın — Loader başka zararlı yazılım indiriyor olabilir
- İndirilen tüm payload'ları analiz edin
- Tüm ağ trafiğini inceleyin, şüpheli bağlantıları kesin
- Antivirüs ile tam tarama yapın
- Sistem yenileme düşünün
YARA Kuralı İpuçları
rule SmokeLoader_SHA256 {
meta:
description = "SmokeLoader sample: 41b89f483fdfe5e0"
threat_level = "high"
first_seen = "2025-09-08"
condition:
hash.sha256(0, filesize) == "41b89f483fdfe5e08f69045b52685a008b4fcb042569b752f686770fbea162b8"
}SmokeLoader — Malware Profile
SmokeLoader. autoruns.exe Sysinternals version info spoofing. Spaso developer PDB username. stub.pdb loader project artifact.
Technical Details
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 / Threat Actor
Unknown (sold on underground forums, multiple operators)
Capabilities & Behavior
IOC List (2 indicators)
# SHA256
41b89f483fdfe5e08f69045b52685a008b4fcb042569b752f686770fbea162b8
# MD5
8fa4b8f5d1ae61ba8f4538e70b4099c5
| Type | Value | Note |
|---|---|---|
| sha256 | 41b89f483fdfe5e08f69045b52685a008b4fcb042569b752f686770fbea162b8 | Sample:SmokeLoader |
| md5 | 8fa4b8f5d1ae61ba8f4538e70b4099c5 | Sample:SmokeLoader |
C2 Servers (5 recorded servers for this family)
| Address | Type | Port | Protocol | Status | Country |
|---|---|---|---|---|---|
| 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 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.