Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256c1b8e9d77a6aea4fc7bed4a2a48515aa32a3922859c9091cecf1b5f381a87127
MD55226b7138f4dd1dbb9f6953bd75a320b
File Typezip
Size1925.9 KB
First Seen2022-04-12
File NameBC_invoice_Report_CORP_46.zip
TagsBUMBLEBEE, dll, iso, lnk, zip

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: c1b8e9d77a6aea4fc7bed4a2a48515aa32a3922859c9091cecf1b5f381a87127
  • MD5: 5226b7138f4dd1dbb9f6953bd75a320b

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: c1b8e9d77a6aea4f"
        threat_level = "high"
        first_seen = "2022-04-12"
    condition:
        hash.sha256(0, filesize) == "c1b8e9d77a6aea4fc7bed4a2a48515aa32a3922859c9091cecf1b5f381a87127"
}

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 c1b8e9d77a6aea4fc7bed4a2a48515aa32a3922859c9091cecf1b5f381a87127 # MD5 5226b7138f4dd1dbb9f6953bd75a320b
TypeValueNote
sha256 c1b8e9d77a6aea4fc7bed4a2a48515aa32a3922859c9091cecf1b5f381a87127 Sample:Bumblebee
md5 5226b7138f4dd1dbb9f6953bd75a320b 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