SmokeLoader Análisis de malware

Propiedades del archivo

SHA256: 08c0f78ca25f7fffb45222d3ddaebb4fcb0dfb9be46580e177f4dbb0470663c3

MD5: 09895122822d629f2c5f9165f11297b0

Tipo de archivo: exe

Tamaño: 355,840 byte

Primera detección: 2023-02-13

Firma AV: Smoke Loader

Imphash: 2874bda093b03f6d6f8f1371fcfc37a0

Reportado por: Potatech_yeup

Etiquetas: exe, Smoke Loader, SmokeLoader

Análisis estático: basado en metadatos (muestra no descargada)

SmokeLoader — Perfil del malware

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

Tipo de malware
Loader
Lenguaje de programación
C
Protocolo C2
HTTP
Sistemas objetivo
Windows
También conocido como (AKA)
Dofoil

Detalles técnicos

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.

Atribución / Actor de amenaza

Unknown (sold on underground forums, multiple operators)

Capacidades y comportamiento

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

Lista IOC (1 indicadores)

IOC — SmokeLoader
# FILEPATH 08c0f78ca25f7fffb45222d3ddaebb4fcb0dfb9be46580e177f4dbb0470663c3
TipoValorNota
filepath 08c0f78ca25f7fffb45222d3ddaebb4fcb0dfb9be46580e177f4dbb0470663c3 PDB

Servidores C2 (5 servidores registrados para esta familia)

Dirección Tipo Puerto Protocolo Estado País
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 —

Las direcciones C2 se proporcionan únicamente a partir de muestras de malware verificadas manualmente por el equipo KEYDAL. Se prohíbe el uso comercial.

Etiquetas
exeSmoke LoaderSmokeLoader