Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA25699f851f6f424fc2d9e7f068d5509bfd9134b881e10d76a41f057017e47bd0901
MD5d401aa0418947f34c79fcc47c46bd0f6
File Typezip
Size707.9 KB
First Seen2022-05-09
File Nameinvoice_pdf_32.zip
TagsBUMBLEBEE, zip

Malware Family: Bumblebee

Bumblebee, loader'dır.

TypeLoader
Programming LanguageC++
Target PlatformWindows
C2 ProtocolHTTPS
PurposeLoader
First Seen Year2022

Threat Indicators (IOC)

  • SHA256: 99f851f6f424fc2d9e7f068d5509bfd9134b881e10d76a41f057017e47bd0901
  • MD5: d401aa0418947f34c79fcc47c46bd0f6

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: 99f851f6f424fc2d"
        threat_level = "high"
        first_seen = "2022-05-09"
    condition:
        hash.sha256(0, filesize) == "99f851f6f424fc2d9e7f068d5509bfd9134b881e10d76a41f057017e47bd0901"
}

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 99f851f6f424fc2d9e7f068d5509bfd9134b881e10d76a41f057017e47bd0901 # MD5 d401aa0418947f34c79fcc47c46bd0f6
TypeValueNote
sha256 99f851f6f424fc2d9e7f068d5509bfd9134b881e10d76a41f057017e47bd0901 Sample:Bumblebee
md5 d401aa0418947f34c79fcc47c46bd0f6 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