Dosya Kimligi
| SHA256 | 2b775e69fb52f4b7ce851072dde921977146de7dfe569a5609313387cac8a048 |
|---|---|
| Orijinal Ad | dstq.exe |
| Boyut | 287.744 byte |
Analiz Sonucu
Bu FormBook ornegi tam obfuskayon ile korunmaktadir. Strings analizi yalnizca 1218 satir sonuc uretmis, hicbir cleartext C2 URL, IP adresi veya kimlik bilgisi gorünmemistir. FormBook, C2 URL'sini genellikle XOR/AES ile sifreli sekilde binary icerisinde saklar ve runtime'da cozoer.
Bilinen FormBook Yetenekleri
- Form grabbing (web form submission yakalama)
- Keylogger
- Screenshot
- Dosya cekme
- HTTP/HTTPS C2 iletisimi (panel yolu genellikle rastgele 4 karakter: /xxxx/)
- Tarayici kimlik bilgileri
IOC
| SHA256 | 2b775e69fb52f4b7ce851072dde921977146de7dfe569a5609313387cac8a048 |
|---|---|
| C2 | Sifrelenmis (dinamik analiz gerekli) |
FormBook — Malware Profile
FormBook web form verisi ve credential hırsızı. SmartAssembly paketleyici. İspanyolca LATAM elektrik faturası lür.
Technical Details
C dili, Windows API hooking (form grabbing), HTTP POST C2, browser form stealer, keylogger, screenshot, clipboard monitor, process injection (process hollowing)
Attribution / Threat Actor
ABD'de gelistirilmis; satis darknet forumlari uzerinden yapilmis. Dunya genelindeki multuple suc gruplarina hizmet veren MaaS platformu.
Capabilities & Behavior
IOC List (1 indicators)
# SHA256
2b775e69fb52f4b7ce851072dde921977146de7dfe569a5609313387cac8a048
| Type | Value | Note |
|---|---|---|
| sha256 | 2b775e69fb52f4b7ce851072dde921977146de7dfe569a5609313387cac8a048 |
C2 Servers (5 recorded servers for this family)
| Address | Type | Port | Protocol | Status | Country |
|---|---|---|---|---|---|
| 45.61.136.16 | ip | 80 | HTTP | active | US |
| hxxp://freeupgrades.net/s1xt/ | domain | 80 | HTTP | inactive | US |
| 103.75.160.239 | ip | 443 | HTTPS | inactive | HK |
| 3.29.19.86 | ip | — | TCP | inactive | — |
| form-book.club | domain | 80 | HTTP | sinkholed | — |
C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.