| ハッシュ / 情報 | 値 |
|---|---|
| SHA256 | b961d6795d7ceb3ea3cd00e037460958776a39747c8f03783d458b38daec8025 |
| MD5 | 0a69bc7b3a634baf734a0dd5469034b1 |
| SHA1 | 2c920fe31856a63e4ed51eb41692b4655874e11a |
| ImpHash | 5c10e8c7c34b8244814e50975afea2db |
| ファイル Adi | triage_dropped_file |
| ファイル種別 | exe |
| サイズ | 206,848 bytes |
| 初回確認 | 2022-03-02 |
Tehdit 値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.
検出された機能
- Payload Indirme
- Surec Enjeksiyonu
- Kalicilik
- Anti-Analiz
- Sifrelenmis Iletisim
MalwareBazaar タグ
解析メモ
Bu ornek SmokeLoader ailesine ait ve MalwareBazaar platformundan alınmıstır. KEYDAL Guvenlik Arastirmaları tarafından metadata analizi gerceklestirilmis ve IOC veritabanına eklenmistir.
SmokeLoader — マルウェアプロファイル
SmokeLoader. autoruns.exe Sysinternals version info spoofing. Spaso developer PDB username. stub.pdb loader project artifact.
技術詳細
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.
アトリビューション / 脅威アクター
Unknown (sold on underground forums, multiple operators)
機能と挙動
IOCリスト (2 件の指標)
# SHA256
b961d6795d7ceb3ea3cd00e037460958776a39747c8f03783d458b38daec8025
# MD5
0a69bc7b3a634baf734a0dd5469034b1
| タイプ | 値 | メモ |
|---|---|---|
| sha256 | b961d6795d7ceb3ea3cd00e037460958776a39747c8f03783d458b38daec8025 | |
| md5 | 0a69bc7b3a634baf734a0dd5469034b1 |
C2サーバー (このファミリーで5台のサーバーを記録)
| アドレス | タイプ | ポート | プロトコル | ステータス | 国 |
|---|---|---|---|---|---|
| 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アドレスはKEYDALチームが手動で検証したマルウェア検体のみに基づいて提供されています。商用利用は禁止です。