Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256d3195c8dbeb74fded26d4665226611acc1dc7306cfad6a478f3c3c93692307f3
MD58afc8b0d6a3f0690d319d0dec85e97da
File Typemsi
Size4288.0 KB
First Seen2023-01-31
File Named3195c8dbeb74fded26d4665226611acc1dc7306cfad6a478f3c3c93692307f3.msi
TagsBUMBLEBEE, msi, signed

Malware Family: Bumblebee

Bumblebee, BazarLoader'ın halefidir.

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

Threat Indicators (IOC)

  • SHA256: d3195c8dbeb74fded26d4665226611acc1dc7306cfad6a478f3c3c93692307f3
  • MD5: 8afc8b0d6a3f0690d319d0dec85e97da

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: d3195c8dbeb74fde"
        threat_level = "high"
        first_seen = "2023-01-31"
    condition:
        hash.sha256(0, filesize) == "d3195c8dbeb74fded26d4665226611acc1dc7306cfad6a478f3c3c93692307f3"
}

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 d3195c8dbeb74fded26d4665226611acc1dc7306cfad6a478f3c3c93692307f3 # MD5 8afc8b0d6a3f0690d319d0dec85e97da
TypeValueNote
sha256 d3195c8dbeb74fded26d4665226611acc1dc7306cfad6a478f3c3c93692307f3
md5 8afc8b0d6a3f0690d319d0dec85e97da

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