Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256024291b98881d09ce55c43171c0b1205fb8014437cfe894fefd8e6aa76879386
MD5d992a5ed4d7e127ece0a4c80a9f78ba0
File Typeexe
Size1194.5 KB
First Seen2023-05-26
File Named992a5ed_024291b98881d09ce55c43171c0b1205fb8014437cfe894fefd8e6aa76879386
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: 024291b98881d09ce55c43171c0b1205fb8014437cfe894fefd8e6aa76879386
  • MD5: d992a5ed4d7e127ece0a4c80a9f78ba0

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: 024291b98881d09c"
        threat_level = "high"
        first_seen = "2023-05-26"
    condition:
        hash.sha256(0, filesize) == "024291b98881d09ce55c43171c0b1205fb8014437cfe894fefd8e6aa76879386"
}

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 024291b98881d09ce55c43171c0b1205fb8014437cfe894fefd8e6aa76879386 # MD5 d992a5ed4d7e127ece0a4c80a9f78ba0
TypeValueNote
sha256 024291b98881d09ce55c43171c0b1205fb8014437cfe894fefd8e6aa76879386
md5 d992a5ed4d7e127ece0a4c80a9f78ba0

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