Hash / BilgiDeger
SHA25644b1d6e0cc054e581350739403e2c9b99e5758bd3da8b10cd087626272d71e91
MD58f7e3fa4b507ef8114bd09c4c39b40ab
SHA179024e1bb20fa1d46b7b135c230010c2720d57e6
ImpHash75f9fffd32a279be2c5f550d3fb72d16
Dosya Adisetup3.exe
Dosya Türüexe
Boyut375,808 bytes
Ilk Görülme2024-10-20

Tehdit Degerlendirmesi

Bu ornek, hedef sisteme ek zararlı yazılım yuklemek amacıyla tasarlanmis moduler bir yukleyici (loader) olarak tespit edilmistir. Bankacılık trojanları, fidye yazılımları veya diger ikinci asama yukler indirebilmektedir.

Tespit Edilen Yetenekler

  • Payload Indirme
  • Surec Enjeksiyonu
  • Kalicilik
  • Anti-Analiz
  • Sifrelenmis Iletisim

MalwareBazaar Etiketleri

exeSmoke LoaderSmokeLoader

Analiz Notu

Bu ornek SmokeLoader ailesine ait ve MalwareBazaar platformundan alınmıstır. KEYDAL Guvenlik Arastirmaları tarafından metadata analizi gerceklestirilmis ve IOC veritabanına eklenmistir.

SmokeLoader — 恶意软件档案

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

恶意软件类型
Loader
编程语言
C
C2协议
HTTP
目标系统
Windows
别名 (AKA)
Dofoil

技术细节

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.

归因 / 威胁行为者

Unknown (sold on underground forums, multiple operators)

能力与行为

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

IOC列表 (2 个指标)

IOC — SmokeLoader
# SHA256 44b1d6e0cc054e581350739403e2c9b99e5758bd3da8b10cd087626272d71e91 # MD5 8f7e3fa4b507ef8114bd09c4c39b40ab
类型备注
sha256 44b1d6e0cc054e581350739403e2c9b99e5758bd3da8b10cd087626272d71e91
md5 8f7e3fa4b507ef8114bd09c4c39b40ab

C2服务器 (该家族共有 5 台已记录服务器)

地址 类型 端口 协议 状态 国家
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 地址仅来自 KEYDAL 团队人工验证的恶意软件样本。禁止用于商业用途。

标签
exeSmoke LoaderSmokeLoader