Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA25687a9a2033c0a1bad6b7ef807197006e7627c6b9c41f5570370ac33963d8c1019
MD52d67f39f3723b6cc34571f125e53ae64
File Typeexe
Size1197.5 KB
First Seen2023-05-23
File Name2d67f39f_87a9a2033c0a1bad6b7ef807197006e7627c6b9c41f5570370ac33963d8c1019
TagsBUMBLEBEE, exe

Malware Family: Bumblebee

Bumblebee, BazarLoader'ın halefidir.

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

Threat Indicators (IOC)

  • SHA256: 87a9a2033c0a1bad6b7ef807197006e7627c6b9c41f5570370ac33963d8c1019
  • MD5: 2d67f39f3723b6cc34571f125e53ae64

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: 87a9a2033c0a1bad"
        threat_level = "high"
        first_seen = "2023-05-23"
    condition:
        hash.sha256(0, filesize) == "87a9a2033c0a1bad6b7ef807197006e7627c6b9c41f5570370ac33963d8c1019"
}

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 87a9a2033c0a1bad6b7ef807197006e7627c6b9c41f5570370ac33963d8c1019 # MD5 2d67f39f3723b6cc34571f125e53ae64
TypeValueNote
sha256 87a9a2033c0a1bad6b7ef807197006e7627c6b9c41f5570370ac33963d8c1019
md5 2d67f39f3723b6cc34571f125e53ae64

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