Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2561914b8c8cbb22ccebcdeb2c968e41f9113c9ea02179bae858cb76e477c3eb0b7
MD549ef54a9366c589c0f1b6e13d0997932
File Typevhd
Size6164.0 KB
First Seen2022-09-01
File Nameapplications-09-22-18.vhd
TagsBUMBLEBEE, ta579, vhd

Malware Family: Bumblebee

Bumblebee, BazarLoader'ın halefidir.

TypeLoader
Programming LanguageC++
Target PlatformWindows
C2 ProtocolHTTPS
PurposeCobalt Strike dropper
First Seen Year2022

Threat Indicators (IOC)

  • SHA256: 1914b8c8cbb22ccebcdeb2c968e41f9113c9ea02179bae858cb76e477c3eb0b7
  • MD5: 49ef54a9366c589c0f1b6e13d0997932

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: 1914b8c8cbb22cce"
        threat_level = "high"
        first_seen = "2022-09-01"
    condition:
        hash.sha256(0, filesize) == "1914b8c8cbb22ccebcdeb2c968e41f9113c9ea02179bae858cb76e477c3eb0b7"
}

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 1914b8c8cbb22ccebcdeb2c968e41f9113c9ea02179bae858cb76e477c3eb0b7 # MD5 49ef54a9366c589c0f1b6e13d0997932
TypeValueNote
sha256 1914b8c8cbb22ccebcdeb2c968e41f9113c9ea02179bae858cb76e477c3eb0b7 Sample:Bumblebee
md5 49ef54a9366c589c0f1b6e13d0997932 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