Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256768456502747ce26b12837915538b725b34ef21e90a06ff85e456d81f8af301a
MD526ab21fd01e44e0f906396ba279534b1
File Typeexe
Size974.0 KB
First Seen2022-11-08
File Nameinstal.jpg
Tags0811r, BUMBLEBEE, 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: 768456502747ce26b12837915538b725b34ef21e90a06ff85e456d81f8af301a
  • MD5: 26ab21fd01e44e0f906396ba279534b1

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: 768456502747ce26"
        threat_level = "high"
        first_seen = "2022-11-08"
    condition:
        hash.sha256(0, filesize) == "768456502747ce26b12837915538b725b34ef21e90a06ff85e456d81f8af301a"
}

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 768456502747ce26b12837915538b725b34ef21e90a06ff85e456d81f8af301a # MD5 26ab21fd01e44e0f906396ba279534b1
TypeValueNote
sha256 768456502747ce26b12837915538b725b34ef21e90a06ff85e456d81f8af301a Sample:Bumblebee
md5 26ab21fd01e44e0f906396ba279534b1 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