Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256dd3f100f8dd4df4dc32b4587d47338446a239fc16c7c7938f12edfca1de29748
MD5560ff04e980d8cf505916745f3ba43e4
File Typeexe
Size2847.5 KB
First Seen2022-09-16
File Nameforegathering.dat
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: dd3f100f8dd4df4dc32b4587d47338446a239fc16c7c7938f12edfca1de29748
  • MD5: 560ff04e980d8cf505916745f3ba43e4

You can verify all hash values of this sample on VirusTotal.

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: dd3f100f8dd4df4d"
        threat_level = "high"
        first_seen = "2022-09-16"
    condition:
        hash.sha256(0, filesize) == "dd3f100f8dd4df4dc32b4587d47338446a239fc16c7c7938f12edfca1de29748"
}

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 dd3f100f8dd4df4dc32b4587d47338446a239fc16c7c7938f12edfca1de29748 # MD5 560ff04e980d8cf505916745f3ba43e4
TypeValueNote
sha256 dd3f100f8dd4df4dc32b4587d47338446a239fc16c7c7938f12edfca1de29748 Sample:Bumblebee
md5 560ff04e980d8cf505916745f3ba43e4 Sample:Bumblebee

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
bumblebeeloadermalwarehighsha256hash-analizi