Manuel Statik Analiz — RemcosRAT | Tehdit: YUKSEK

Dosya Kimligi

SHA2563061e2a6b00e4874b3da53148c5cf59b22cb0be0e8a98c50dccc7bbf3ee2e97a
Dosya AdiRCFB88.exe
Boyut231.424 byte
String Sayisi1.360

RSA / DH Anahtar Materyali

END DH PARAMETERS  -- Diffie-Hellman parametre bloku
A8RIVA6 KEY;       -- RSA anahtar materyali
Ic2%]              -- C2 config fragmenti (RC4/XOR)

RemcosRAT Hakkinda

RemcosRAT, 2016'da Breaking Security tarafindan gelistirilen C++ RAT ailesidir. Keylogger, ekran/ses kaydi, uzaktan shell, RSA/DH sifreleme ile TCP C2 iletisimi kurar.

IOC

SHA2563061e2a6b00e4874b3da53148c5cf59b22cb0be0e8a98c50dccc7bbf3ee2e97a
SifrelemecRSA/DH
ProtokolTCP (sifrelenmis)

RemcosRAT — Malware Profile

RemcosRAT - BreakingSecurity.net tarafindan lisansli satilan uzaktan erisim araci. Mesbru pentesting araci olarak satilsa da kriminal aktörler tarafindan yaygin kullanilir. Process hollowing, keylogger, clipboard/audio/screenshot izleme, Chrome kimlik bilgisi hirsizligi, UAC bypass, TLS 1.3 sifreli C2.

Malware Type
RAT
Programming Language
C++
C2 Protocol
TCP/RC4
Target Systems
Windows
Also Known As (AKA)
Remcos, Breaking-Security

Technical Details

TCP port 2404 (varsayilan), RC4 veya XOR sifreleme, C++ ile gelistirilmis, PE injection, UAC bypass (CMSTPLUA), AMSI bypass, Anti-debug (GetTickCount/RDTSC), DGA destekli C2, Keylogger, Screenshot, Audio

Attribution / Threat Actor

Breaking Security firmasinin isvicre tabanli olmasi nedeniyle ilk gelistirme AB'de gerceklestirilmistir; ancak surekli dunya genelinde siber suclu topluluklari tarafindan kullanilmaktadir.

Capabilities & Behavior

Uzaktan Erişim & Kontrol
Keylogger
Ekran Görüntüsü
Webcam Erişimi
Dosya Yönetimi
Süreç Yönetimi
Komut Yürütme
Kalıcılık Mekanizması

IOC List (1 indicators)

IOC — RemcosRAT
# SHA256 3061e2a6b00e4874b3da53148c5cf59b22cb0be0e8a98c50dccc7bbf3ee2e97a
TypeValueNote
sha256 3061e2a6b00e4874b3da53148c5cf59b22cb0be0e8a98c50dccc7bbf3ee2e97a
RemcosRAT — Go to Full Profile →

C2 Servers (8 recorded servers for this family)

Address Type Port Protocol Status Country
breakingsecurity.net domain — TCP active —
system.io domain — TCP active —
breakingsecurity.net domain — TCP active —
system.io domain — TCP active —
breakingsecurity.net domain — TCP active —
paint.net domain — TCP active —
americanshippingline.com domain — TCP active —
purl.org domain — TCP active —

C2 addresses are provided only from malware samples manually verified by the KEYDAL team. Commercial use is prohibited.

Tags
remcosremcosratrsadhtcp-c2