Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2569f6e11bd6d07852d67b6469eae09fd09b71c30db02668c2d5838dfcd6cb33f1c
MD5f61cbfa1809a3c8dae3dafee8fab039b
File Typelnk
Size1.2 KB
First Seen2023-09-07
File Name482.lnk
TagsBUMBLEBEE, lnk

Malware Family: Bumblebee

Bumblebee, BazarLoader'ın halefidir.

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

Threat Indicators (IOC)

  • SHA256: 9f6e11bd6d07852d67b6469eae09fd09b71c30db02668c2d5838dfcd6cb33f1c
  • MD5: f61cbfa1809a3c8dae3dafee8fab039b

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: 9f6e11bd6d07852d"
        threat_level = "high"
        first_seen = "2023-09-07"
    condition:
        hash.sha256(0, filesize) == "9f6e11bd6d07852d67b6469eae09fd09b71c30db02668c2d5838dfcd6cb33f1c"
}

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 9f6e11bd6d07852d67b6469eae09fd09b71c30db02668c2d5838dfcd6cb33f1c # MD5 f61cbfa1809a3c8dae3dafee8fab039b
TypeValueNote
sha256 9f6e11bd6d07852d67b6469eae09fd09b71c30db02668c2d5838dfcd6cb33f1c
md5 f61cbfa1809a3c8dae3dafee8fab039b

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