Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256c65c51ed60f91a92789c4b056821ef51252baa2a1679a6513ab008acf0464ccb
MD58e7115ea580f39c152e4d4bc4472c402
File Typeexe
Size3756.5 KB
First Seen2022-04-22
File Namemount.dll
TagsBUMBLEBEE, dll, exe, X64

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: c65c51ed60f91a92789c4b056821ef51252baa2a1679a6513ab008acf0464ccb
  • MD5: 8e7115ea580f39c152e4d4bc4472c402

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: c65c51ed60f91a92"
        threat_level = "high"
        first_seen = "2022-04-22"
    condition:
        hash.sha256(0, filesize) == "c65c51ed60f91a92789c4b056821ef51252baa2a1679a6513ab008acf0464ccb"
}

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 c65c51ed60f91a92789c4b056821ef51252baa2a1679a6513ab008acf0464ccb # MD5 8e7115ea580f39c152e4d4bc4472c402
TypeValueNote
sha256 c65c51ed60f91a92789c4b056821ef51252baa2a1679a6513ab008acf0464ccb Sample:Bumblebee
md5 8e7115ea580f39c152e4d4bc4472c402 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