Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2561c12ac0770eb4a66f2fa7bca749c3e795a68efcd86d68de6391b5bdb08b23946
MD5037df0dc84961fedc0f540dc1ddfc9c1
File Typehtml
Size1803.6 KB
First Seen2022-12-10
File NameDocument_5122_Scan_(Nov8).html
TagsBUMBLEBEE, html

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 1c12ac0770eb4a66f2fa7bca749c3e795a68efcd86d68de6391b5bdb08b23946
  • MD5: 037df0dc84961fedc0f540dc1ddfc9c1

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: 1c12ac0770eb4a66"
        threat_level = "high"
        first_seen = "2022-12-10"
    condition:
        hash.sha256(0, filesize) == "1c12ac0770eb4a66f2fa7bca749c3e795a68efcd86d68de6391b5bdb08b23946"
}

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 1c12ac0770eb4a66f2fa7bca749c3e795a68efcd86d68de6391b5bdb08b23946 # MD5 037df0dc84961fedc0f540dc1ddfc9c1
TypeValueNote
sha256 1c12ac0770eb4a66f2fa7bca749c3e795a68efcd86d68de6391b5bdb08b23946 Sample:Bumblebee
md5 037df0dc84961fedc0f540dc1ddfc9c1 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