SmokeLoader Sample: EC20550754890947

SmokeLoader Malware Analizi

Dosya Ozellikleri

SHA256: ec20550754890947272134381fe1835e31d40c84d5b696eec35d53355ddb9d3f

MD5: cc1f27309178eb21af09ba7af4201339

Dosya Tipi: exe

Boyut: 404,992 byte

Ilk Gorulme: 2025-12-15

AV Imzasi: Smoke Loader

Imphash: 1b6bf90fc7c5a921cc63a5ad9894e60f

Raporlayan: Threatray

Etiketler: exe, Shanya, Smoke Loader, SmokeLoader

Statik analiz: metadata tabanli (ornek indirilmedi)

SmokeLoader — Malware Profile

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

Malware Type

Loader

Programming Language

C2 Protocol

HTTP

Target Systems

Windows

Also Known As (AKA)

Dofoil

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

Payload İndirme

Süreç Enjeksiyonu

Modüler Mimari

Kimlik Bilgisi Hırsızlığı

Yanal Hareket

Kalıcılık

Anti-VM/Sandbox

İkincil Payload Dağıtımı

IOC List (1 indicators)

IOC — SmokeLoader

# FILEPATH
ec20550754890947272134381fe1835e31d40c84d5b696eec35d53355ddb9d3f

Type	Value	Note
filepath	ec20550754890947272134381fe1835e31d40c84d5b696eec35d53355ddb9d3f	PDB

SmokeLoader — Go to Full Profile →

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.