Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2560591fe474dd8e3e9309359ebe28ff71f07a6c9bf623674643496a618d70c4a92
MD55313fb6ce348a0681a79c324a5f7717a
File Typemsi
Size35968.0 KB
First Seen2025-05-20
File Name0591fe474dd8e3e9309359ebe28ff71f07a6c9bf623674643496a618d70c4a92
TagsBUMBLEBEE, LLC-Best-Consult, msi, signed, version-dll

Malware Family: Bumblebee

Bumblebee, loader'dır.

TypeLoader
Programming LanguageC++
Target PlatformWindows
C2 ProtocolHTTPS
PurposeLoader
First Seen Year2022

Threat Indicators (IOC)

  • SHA256: 0591fe474dd8e3e9309359ebe28ff71f07a6c9bf623674643496a618d70c4a92
  • MD5: 5313fb6ce348a0681a79c324a5f7717a

You can verify all hash values of this sample on VirusTotal.

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: 0591fe474dd8e3e9"
        threat_level = "high"
        first_seen = "2025-05-20"
    condition:
        hash.sha256(0, filesize) == "0591fe474dd8e3e9309359ebe28ff71f07a6c9bf623674643496a618d70c4a92"
}

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 0591fe474dd8e3e9309359ebe28ff71f07a6c9bf623674643496a618d70c4a92 # MD5 5313fb6ce348a0681a79c324a5f7717a
TypeValueNote
sha256 0591fe474dd8e3e9309359ebe28ff71f07a6c9bf623674643496a618d70c4a92 Sample:Bumblebee
md5 5313fb6ce348a0681a79c324a5f7717a Sample:Bumblebee

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
bumblebeeloadermalwarehighsha256hash-analizi