Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256d3f551d1fb2c307edfceb65793e527d94d76eba1cd8ab0a5d1f86db11c9474c3
MD5392419d9747a11165f669091eca260af
File Typemsi
Size3927.5 KB
First Seen2024-10-16
File Named3f551d1fb2c307edfceb65793e527d94d76eba1cd8ab0a5d1f86db11c9474c3
Tags188-40-187-138, BUMBLEBEE, msi

Malware Family: Bumblebee

Bumblebee, BazarLoader'ın halefidir.

TypeLoader
Programming LanguageC++
Target PlatformWindows
C2 ProtocolHTTPS
PurposeCobalt Strike dropper
First Seen Year2022

Threat Indicators (IOC)

  • SHA256: d3f551d1fb2c307edfceb65793e527d94d76eba1cd8ab0a5d1f86db11c9474c3
  • MD5: 392419d9747a11165f669091eca260af

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: d3f551d1fb2c307e"
        threat_level = "high"
        first_seen = "2024-10-16"
    condition:
        hash.sha256(0, filesize) == "d3f551d1fb2c307edfceb65793e527d94d76eba1cd8ab0a5d1f86db11c9474c3"
}

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 (4 indicators)

IOC — Bumblebee
# SHA256 d3f551d1fb2c307edfceb65793e527d94d76eba1cd8ab0a5d1f86db11c9474c3 # SHA256 d3f551d1fb2c307edfceb65793e527d94d76eba1cd8ab0a5d1f86db11c9474c3 # MD5 392419d9747a11165f669091eca260af # MD5 392419d9747a11165f669091eca260af
TypeValueNote
sha256 d3f551d1fb2c307edfceb65793e527d94d76eba1cd8ab0a5d1f86db11c9474c3
sha256 d3f551d1fb2c307edfceb65793e527d94d76eba1cd8ab0a5d1f86db11c9474c3
md5 392419d9747a11165f669091eca260af
md5 392419d9747a11165f669091eca260af

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
bumblebeeloadermalwarehighsha256analizzenginleştirilmiş