SystemBC Proxy Backdoor — 1.6MB SOCKS5 Proxy, C2 Konfigurasyonu Sifreli, Cobalt Strike ile Zincir | Yuksek

Manuel Statik Analiz (LLM Okumali) — SystemBC Proxy Backdoor | Tehdit: YUKSEK

Datei Kimligi

SHA256	`3af64c28e0cedf48abc217049af66c23149fd27a1e5a57ae39afb4b98d4d3d41`
Größe	1.667.072 byte (1.6MB)
String Sayisi	7.169

Sifrelenmis C2 Konfigurasyonu

!C2Dv%  -- C2 config sekman baslik imzasi (sifrelenmis)
F8C2YKa -- C2 referansi (sifrelenmis)
]HC2&   -- C2 referansi (sifrelenmis)

SystemBC Hakkinda

SystemBC, 2019'da ortaya cikan bir C++ SOCKS5 proxy backdoor'dur. Cobalt Strike beacon ve diger payloadlardan gelen ag trafiklerini mesgru gordurmek icin tasarlanmistir. Ryuk, Conti, BlackMatter, Cl0p ve Egregor ransomware operasyonlarinda "network relay" katmani olarak kullanilmistir. C2 adresi RC4 ile sifrelenmis binary config icindedir.

IOC

SHA256	`3af64c28e0cedf48abc217049af66c23149fd27a1e5a57ae39afb4b98d4d3d41`
Protokol	SOCKS5 Proxy
C2	RC4 sifrelenmis config

SystemBC — Malware-Profil

SystemBC proxy botnet. Embedded TLS private key BEGIN/END PRIVATE KEY PEM. Tor SOCKS5 proxy tunnel. Used by Ryuk/Conti/DoppelPaymer ransomware for C2 tunneling.

Malware-Typ

Loader

Programmiersprache

C++

C2-Protokoll

HTTPS

Zielsysteme

Windows

Auch bekannt als (AKA)

Coroxy

Technische Details

Backdoor ailesi: TCP/HTTP C2, gizli uzak erisim, kalicilik mekanizmasi (servis/Registry), shell komutu calistirma, dosya transfer, anti-forensic teknikleri

Fähigkeiten & Verhalten

Payload İndirme

Süreç Enjeksiyonu

Modüler Mimari

Kimlik Bilgisi Hırsızlığı

Yanal Hareket

Kalıcılık

Anti-VM/Sandbox

İkincil Payload Dağıtımı

IOC-Liste (1 Indikatoren)

IOC — SystemBC

# SHA256
3af64c28e0cedf48abc217049af66c23149fd27a1e5a57ae39afb4b98d4d3d41

Typ	Wert	Bemerkung
sha256	3af64c28e0cedf48abc217049af66c23149fd27a1e5a57ae39afb4b98d4d3d41

SystemBC — Zum vollständigen Profil →

C2-Server (1 erfasste Server für diese Familie)

Adresse	Typ	Port	Protokoll	Status	Land
134.255.218.162	ip	4001	TCP	inactive	LV

C2-Adressen stammen ausschließlich aus vom KEYDAL-Team manuell verifizierten Malware-Samples. Kommerzielle Nutzung ist untersagt.