Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA25688851c425fbc7879abe5838f3e072d18e350b21ca9fe367e6d9fb7bd27585753
MD58dae37f85fa2c97ed4ff9272349c4e04
File Typeexe
Size2280.0 KB
First Seen2022-04-03
File NameAttachments.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: 88851c425fbc7879abe5838f3e072d18e350b21ca9fe367e6d9fb7bd27585753
  • MD5: 8dae37f85fa2c97ed4ff9272349c4e04

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: 88851c425fbc7879"
        threat_level = "high"
        first_seen = "2022-04-03"
    condition:
        hash.sha256(0, filesize) == "88851c425fbc7879abe5838f3e072d18e350b21ca9fe367e6d9fb7bd27585753"
}

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 88851c425fbc7879abe5838f3e072d18e350b21ca9fe367e6d9fb7bd27585753 # MD5 8dae37f85fa2c97ed4ff9272349c4e04
TypeValueNote
sha256 88851c425fbc7879abe5838f3e072d18e350b21ca9fe367e6d9fb7bd27585753 Sample:Bumblebee
md5 8dae37f85fa2c97ed4ff9272349c4e04 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