Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2564203f929fe8fab1c990e027216ef732955cc4fbfe598e9dc02dbf61fefd2e579
MD54a657cf9c1289e3df987268e32961a66
File Typeexe
Size6210.4 KB
First Seen2023-11-25
File Namefile
TagsBUMBLEBEE, exe, signed

Malware Family: Bumblebee

Bumblebee, BazarLoader'ın halefidir.

TypeLoader
Programming LanguageC++
Target PlatformWindows
C2 ProtocolHTTPS
PurposeCobalt Strike dropper
First Seen Year2022

Threat Indicators (IOC)

  • SHA256: 4203f929fe8fab1c990e027216ef732955cc4fbfe598e9dc02dbf61fefd2e579
  • MD5: 4a657cf9c1289e3df987268e32961a66

System Cleanup Guide

  1. Disconnect the system from the network — the loader may be downloading more malware
  2. Analyze every downloaded payload
  3. Inspect all network traffic and cut suspicious connections
  4. Run a full antivirus scan
  5. Consider reimaging the system

YARA Rule Hints

rule Bumblebee_SHA256 {
    meta:
        description = "Bumblebee sample: 4203f929fe8fab1c"
        threat_level = "high"
        first_seen = "2023-11-25"
    condition:
        hash.sha256(0, filesize) == "4203f929fe8fab1c990e027216ef732955cc4fbfe598e9dc02dbf61fefd2e579"
}

BumbleBee — Malware Profile

Bumblebee, 2022 den aktif C++ loader. Conti/Lazarus bağlantılı. ISO/VHD/LNK dağıtım. Cobalt Strike dropper. Anti-debug.

Malware Type
Loader
Programming Language
C++
C2 Protocol
HTTPS
Target Systems
Windows

Technical Details

Loader ailesi: HTTP/HTTPS C2, payload sifre cozme ve bellek icerisinde yükleme, anti-sandbox/VM kontrolleri, process injection, persistence mekanizmasi, yükü indirme ve calistirma zinciri

Capabilities & Behavior

Payload İndirme
Süreç Enjeksiyonu
Modüler Mimari
Kimlik Bilgisi Hırsızlığı
Yanal Hareket
Kalıcılık
Anti-VM/Sandbox
İkincil Payload Dağıtımı

IOC List (2 indicators)

IOC — Bumblebee
# SHA256 4203f929fe8fab1c990e027216ef732955cc4fbfe598e9dc02dbf61fefd2e579 # MD5 4a657cf9c1289e3df987268e32961a66
TypeValueNote
sha256 4203f929fe8fab1c990e027216ef732955cc4fbfe598e9dc02dbf61fefd2e579
md5 4a657cf9c1289e3df987268e32961a66

C2 Servers (3 recorded servers for this family)

Address Type Port Protocol Status Country
odoca.com domain 443 HTTPS active —
108.61.55.248 ip 443 HTTPS inactive US
45.8.146.78 ip 443 HTTPS inactive RU

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

Tags
bumblebeeloadermalwarehighsha256analizzenginleştirilmiş