Derin Analiz - WinRAR SFX İspanyolca .scr Dropper | Tehdit: ORTA

Dosya Kimligi

SHA2565c40b6c237da3b27e96a16f12ecdd659371a438b1fc2f1d998bf131858f4908a
Boyut1,877,569 byte PE32 WinRAR SFX arsivi
PDBD:\Projects\WinRAR\sfx\build\sfxrar32\Release\sfxrar.pdb
DilIspanyolca (Aceptar/Cancelar/Continuar arayuz)

Sosyal Muhendislik - Dijital Belge

DIKKAT: Ekran koruyucu (.scr) formatinda gizlenmis dosya + BAT launcher!
Droplanan dosyalar:\n  Documento_digital.scr  <- .scr uzantili kotu yazilim\n                            (.scr = Windows Screen Saver = .exe olarak calisir!)\n  D.BAT                  <- launcher batch dosyasi\n\nSFX calistirma:\n  Setup=D.BAT     <- once D.BAT calis\n  Silent=1         <- sessiz kurulum\n  Overwrite=1      <- uzerine yaz\n\nD.BAT icindeki mantik muhtemelen: start Documento_digital.scr

.scr Kamuflagesi

Windows\x27ta .scr dosyalari:\n  - PE yurutable binary\n  - Windows Ekran Koruyucu uzantisi\n  - Cift tiklama = dogrudan calisma (no UAC by default)\n  - Antivirusler bazen dikkat vermez\n\nIspanyolca arayuz mesajlari:\n  "Aceptar" = Tamam\n  "Cancelar" = Iptal\n  "Continuar" = Devam Et\n=> Ispanya/Latin Amerika hedefli kampanya

Kripto Yetenekler

CryptProtectMemory  <- bellek sifreleme (proses icinde)\nCryptUnprotectMemory\nrsaenh.dll          <- RSA Enhanced Cryptography Provider

IOC

SHA2565c40b6c237da3b27e96a16f12ecdd659371a438b1fc2f1d998bf131858f4908a
DroplananDocumento_digital.scr + D.BAT
Teknik.scr uzantisi (PE yurutable) + BAT launcher
DilIspanyolca (Latin Amerika/Ispanya hedefi)

IOC List (1 indicators)

IOC — WinRARSFXDropper
# SHA256 5c40b6c237da3b27e96a16f12ecdd659371a438b1fc2f1d998bf131858f4908a
TypeValueNote
sha256 5c40b6c237da3b27e96a16f12ecdd659371a438b1fc2f1d998bf131858f4908a
Tags
winrar-sfx-dropper-sfxrar-pdbdocumento-digital-scr-fake-documentscr-screensaver-pe-executable-trickd-bat-launcher-batch-filespanish-interface-aceptar-cancelar-continuarlatin-america-spain-phishing-targetcryptprotectmemory-memory-encryptionrsaenh-dll-rsa-crypto-providersilent-1-silent-installationoverwrite-1-sfx-replacescreensaver-extension-av-evasion