Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256261a54625b8613eef2e57d86bf0894687c865b98765c183992fd156ed725cff8
MD57e3b4c28d3e5cc88fb14b91c5b401444
File Typeexe
Size3169.5 KB
First Seen2025-05-20
File Namea67bae3dd73789e892b5114a157d992424d367aae11c5.dll
TagsBUMBLEBEE, dll, exe

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 261a54625b8613eef2e57d86bf0894687c865b98765c183992fd156ed725cff8
  • MD5: 7e3b4c28d3e5cc88fb14b91c5b401444

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: 261a54625b8613ee"
        threat_level = "high"
        first_seen = "2025-05-20"
    condition:
        hash.sha256(0, filesize) == "261a54625b8613eef2e57d86bf0894687c865b98765c183992fd156ed725cff8"
}

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 261a54625b8613eef2e57d86bf0894687c865b98765c183992fd156ed725cff8 # MD5 7e3b4c28d3e5cc88fb14b91c5b401444
TypeValueNote
sha256 261a54625b8613eef2e57d86bf0894687c865b98765c183992fd156ed725cff8 Sample:Bumblebee
md5 7e3b4c28d3e5cc88fb14b91c5b401444 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