SmokeLoader | Tehdit Seviyesi: high | Tür: Loader

Kriptografik Tanımlayıcılar

SHA2561ae5c809ea8fabce9c699c87416d73ba5ab619accef6deeb26c2c38f39323181
MD5eaf0414732a32787b8c26e69af59bfa0
Dosya Türüexe
Boyut6301.2 KB
İlk Görülme2021-11-25
Dosya Adı1ae5c809ea8fabce9c699c87416d73ba5ab619accef6deeb26c2c38f39323181
EtiketlerAmadey, BABADEDA-Crypter, exe, signed, SmokeLoader

Malware Ailesi: SmokeLoader

SmokeLoader, loader'dır.

TürLoader
Programlama DiliC
Hedef PlatformWindows
C2 ProtokolüHTTP
AmaçLoader/botnet
İlk Görülen Yıl2011
Diğer İsimlerDofoil

Tehdit Göstergeleri (IOC)

  • SHA256: 1ae5c809ea8fabce9c699c87416d73ba5ab619accef6deeb26c2c38f39323181
  • MD5: eaf0414732a32787b8c26e69af59bfa0

Bu örneğin tüm hash değerlerini VirusTotal üzerinde doğrulayabilirsiniz.

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: 1ae5c809ea8fabce"
        threat_level = "high"
        first_seen = "2021-11-25"
    condition:
        hash.sha256(0, filesize) == "1ae5c809ea8fabce9c699c87416d73ba5ab619accef6deeb26c2c38f39323181"
}

SmokeLoader — Профиль вредоносного ПО

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

Тип вредоносного ПО
Loader
Язык программирования
C
C2 Протокол
HTTP
Целевые системы
Windows
Другие названия (AKA)
Dofoil

Технические детали

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.

Атрибуция / Актор угрозы

Unknown (sold on underground forums, multiple operators)

Возможности и поведение

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

Список IOC (2 индикаторов)

IOC — SmokeLoader
# SHA256 1ae5c809ea8fabce9c699c87416d73ba5ab619accef6deeb26c2c38f39323181 # MD5 eaf0414732a32787b8c26e69af59bfa0
ТипЗначениеПримечание
sha256 1ae5c809ea8fabce9c699c87416d73ba5ab619accef6deeb26c2c38f39323181 Sample:SmokeLoader
md5 eaf0414732a32787b8c26e69af59bfa0 Sample:SmokeLoader

C2 Серверы (5 зарегистрированных серверов для этого семейства)

Адрес Тип Порт Протокол Статус Страна
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 —

Адреса C2 предоставляются только на основе образцов вредоносного ПО, вручную проверенных командой KEYDAL. Коммерческое использование запрещено.

Теги
smokeloaderloadermalwarehighsha256hash-analizi