Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256d5f0a275463d5c31d8921951aa94f0733e97271a881732512bd104a818455b0b
MD5feb051e7caec0f8bd66deeae54d016a3
File Typeexe
Size1195.0 KB
First Seen2023-05-19
File Namefeb051e7caec0f8bd66deeae54d016a3
Tags64, BUMBLEBEE, exe

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: d5f0a275463d5c31d8921951aa94f0733e97271a881732512bd104a818455b0b
  • MD5: feb051e7caec0f8bd66deeae54d016a3

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: d5f0a275463d5c31"
        threat_level = "high"
        first_seen = "2023-05-19"
    condition:
        hash.sha256(0, filesize) == "d5f0a275463d5c31d8921951aa94f0733e97271a881732512bd104a818455b0b"
}

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 d5f0a275463d5c31d8921951aa94f0733e97271a881732512bd104a818455b0b # MD5 feb051e7caec0f8bd66deeae54d016a3
TypeValueNote
sha256 d5f0a275463d5c31d8921951aa94f0733e97271a881732512bd104a818455b0b Sample:Bumblebee
md5 feb051e7caec0f8bd66deeae54d016a3 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