Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA25642a63fe8c0d8f9c2fa090a69d85f5e5b35beef468b58912db56c78dcde79a929
MD507b711458d0b4240267f7e47b50075d1
File Typeexe
Size878.5 KB
First Seen2022-11-25
File Name42a63fe8c0d8f9c2fa090a69d85f5e5b35beef468b58912db56c78dcde79a929
TagsBUMBLEBEE, exe

Malware Family: Bumblebee

Bumblebee, BazarLoader'ın halefidir.

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

Threat Indicators (IOC)

  • SHA256: 42a63fe8c0d8f9c2fa090a69d85f5e5b35beef468b58912db56c78dcde79a929
  • MD5: 07b711458d0b4240267f7e47b50075d1

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: 42a63fe8c0d8f9c2"
        threat_level = "high"
        first_seen = "2022-11-25"
    condition:
        hash.sha256(0, filesize) == "42a63fe8c0d8f9c2fa090a69d85f5e5b35beef468b58912db56c78dcde79a929"
}

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 42a63fe8c0d8f9c2fa090a69d85f5e5b35beef468b58912db56c78dcde79a929 # MD5 07b711458d0b4240267f7e47b50075d1
TypeValueNote
sha256 42a63fe8c0d8f9c2fa090a69d85f5e5b35beef468b58912db56c78dcde79a929
md5 07b711458d0b4240267f7e47b50075d1

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