哈希 / 信息
SHA256059d615ce6dee655959d7feae7b70f3b7c806f3986deb1826d01a07aec5a39cf
MD595962030ed82d12fa0265087ba3a0bf7
SHA15ab7b914582a53bdca1de85f6be5ddf26a1bacfc
ImpHash73986ba02aa7b8f75d697f013427a88c
文件 Aditriage_dropped_file
文件类型exe
大小347,136 bytes
首次发现2022-02-18

Tehdit 值lendirmesi

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.

检测到的功能

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

MalwareBazaar 标签

exeSmoke LoaderSmokeLoader

分析说明

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 059d615ce6dee655959d7feae7b70f3b7c806f3986deb1826d01a07aec5a39cf # MD5 95962030ed82d12fa0265087ba3a0bf7
类型备注
sha256 059d615ce6dee655959d7feae7b70f3b7c806f3986deb1826d01a07aec5a39cf
md5 95962030ed82d12fa0265087ba3a0bf7

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