Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256e10d69d66ba22ac3e14100bce8a324db59d15fd1c2a7ce78316d0e3681d3c45c
MD5f09c96b3c6bc4745c8fade1a8a47591c
File Typepdf
Size192.6 KB
First Seen2023-04-20
File Namenclase_file_04.20.23.pdf
TagsBUMBLEBEE, mc1904, pdf

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: e10d69d66ba22ac3e14100bce8a324db59d15fd1c2a7ce78316d0e3681d3c45c
  • MD5: f09c96b3c6bc4745c8fade1a8a47591c

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: e10d69d66ba22ac3"
        threat_level = "high"
        first_seen = "2023-04-20"
    condition:
        hash.sha256(0, filesize) == "e10d69d66ba22ac3e14100bce8a324db59d15fd1c2a7ce78316d0e3681d3c45c"
}

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 e10d69d66ba22ac3e14100bce8a324db59d15fd1c2a7ce78316d0e3681d3c45c # MD5 f09c96b3c6bc4745c8fade1a8a47591c
TypeValueNote
sha256 e10d69d66ba22ac3e14100bce8a324db59d15fd1c2a7ce78316d0e3681d3c45c Sample:Bumblebee
md5 f09c96b3c6bc4745c8fade1a8a47591c 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