Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256d11d07a44788e6b71ff138b96caeb4e81adbbcceee74ac809264bfae7667ed66
MD5dc7992c5d6c2518464ee8d8f2c509b32
File Typeexe
Size2846.0 KB
First Seen2022-09-13
File Nameenchanting.dll
Tags1209, BUMBLEBEE, dll, exe, vdQJYecLrw

Malware Family: Bumblebee

Bumblebee, BazarLoader'ın halefidir.

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

Threat Indicators (IOC)

  • SHA256: d11d07a44788e6b71ff138b96caeb4e81adbbcceee74ac809264bfae7667ed66
  • MD5: dc7992c5d6c2518464ee8d8f2c509b32

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: d11d07a44788e6b7"
        threat_level = "high"
        first_seen = "2022-09-13"
    condition:
        hash.sha256(0, filesize) == "d11d07a44788e6b71ff138b96caeb4e81adbbcceee74ac809264bfae7667ed66"
}

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 d11d07a44788e6b71ff138b96caeb4e81adbbcceee74ac809264bfae7667ed66 # MD5 dc7992c5d6c2518464ee8d8f2c509b32
TypeValueNote
sha256 d11d07a44788e6b71ff138b96caeb4e81adbbcceee74ac809264bfae7667ed66 Sample:Bumblebee
md5 dc7992c5d6c2518464ee8d8f2c509b32 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