Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256281e07af77e1ff21140a7102c3cf8802dff96e670c8c3c73b8250d487a5196ed
MD56206e94aea5da8aac4508dcf83118f32
File Typemsi
Size3776.0 KB
First Seen2025-05-08
File Name281e07af77e1ff21140a7102c3cf8802dff96e670c8c3c73b8250d487a5196ed
TagsBUMBLEBEE, CanDllerWhale-Electronic-Studios-Technology-Co-Ltd, msi, signed

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 281e07af77e1ff21140a7102c3cf8802dff96e670c8c3c73b8250d487a5196ed
  • MD5: 6206e94aea5da8aac4508dcf83118f32

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: 281e07af77e1ff21"
        threat_level = "high"
        first_seen = "2025-05-08"
    condition:
        hash.sha256(0, filesize) == "281e07af77e1ff21140a7102c3cf8802dff96e670c8c3c73b8250d487a5196ed"
}

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 281e07af77e1ff21140a7102c3cf8802dff96e670c8c3c73b8250d487a5196ed # MD5 6206e94aea5da8aac4508dcf83118f32
TypeValueNote
sha256 281e07af77e1ff21140a7102c3cf8802dff96e670c8c3c73b8250d487a5196ed Sample:Bumblebee
md5 6206e94aea5da8aac4508dcf83118f32 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