Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA25684d94e973a78df803f525ae25a2ad479068a2e4493412181315c5c7cfe88944e
MD56aa5b7c8136419b869d75ea189095f60
File Typehtml
Size1347.1 KB
First Seen2023-11-10
File NameDocuments_scan-092023G.html
TagsBUMBLEBEE, html, rar0409

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 84d94e973a78df803f525ae25a2ad479068a2e4493412181315c5c7cfe88944e
  • MD5: 6aa5b7c8136419b869d75ea189095f60

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: 84d94e973a78df80"
        threat_level = "high"
        first_seen = "2023-11-10"
    condition:
        hash.sha256(0, filesize) == "84d94e973a78df803f525ae25a2ad479068a2e4493412181315c5c7cfe88944e"
}

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 84d94e973a78df803f525ae25a2ad479068a2e4493412181315c5c7cfe88944e # MD5 6aa5b7c8136419b869d75ea189095f60
TypeValueNote
sha256 84d94e973a78df803f525ae25a2ad479068a2e4493412181315c5c7cfe88944e Sample:Bumblebee
md5 6aa5b7c8136419b869d75ea189095f60 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