Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2566cd1385131c6f1a0d3e8ec158155a666c1d77319a20c04ca1afa876da5da5d4e
MD54d15f28ab76398b3b9db892f23aed6e5
File Typejs
Size0.3 KB
First Seen2023-04-20
File NamelIMew1Q9.ylw
TagsBUMBLEBEE, js, mc1904

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 6cd1385131c6f1a0d3e8ec158155a666c1d77319a20c04ca1afa876da5da5d4e
  • MD5: 4d15f28ab76398b3b9db892f23aed6e5

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: 6cd1385131c6f1a0"
        threat_level = "high"
        first_seen = "2023-04-20"
    condition:
        hash.sha256(0, filesize) == "6cd1385131c6f1a0d3e8ec158155a666c1d77319a20c04ca1afa876da5da5d4e"
}

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 6cd1385131c6f1a0d3e8ec158155a666c1d77319a20c04ca1afa876da5da5d4e # MD5 4d15f28ab76398b3b9db892f23aed6e5
TypeValueNote
sha256 6cd1385131c6f1a0d3e8ec158155a666c1d77319a20c04ca1afa876da5da5d4e Sample:Bumblebee
md5 4d15f28ab76398b3b9db892f23aed6e5 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