Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256b580cf7620a06c747ace1c239c44b21dc98942dfeaa259b80ade4cbf2da5eab0
MD5bd50d472d2be6b40850368d7477a1018
File Typezip
Size1005.4 KB
First Seen2023-11-10
File NameDocuments-details.rar
TagsBUMBLEBEE, CVE-2023-38831, rar0409, zip

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: b580cf7620a06c747ace1c239c44b21dc98942dfeaa259b80ade4cbf2da5eab0
  • MD5: bd50d472d2be6b40850368d7477a1018

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: b580cf7620a06c74"
        threat_level = "high"
        first_seen = "2023-11-10"
    condition:
        hash.sha256(0, filesize) == "b580cf7620a06c747ace1c239c44b21dc98942dfeaa259b80ade4cbf2da5eab0"
}

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 b580cf7620a06c747ace1c239c44b21dc98942dfeaa259b80ade4cbf2da5eab0 # MD5 bd50d472d2be6b40850368d7477a1018
TypeValueNote
sha256 b580cf7620a06c747ace1c239c44b21dc98942dfeaa259b80ade4cbf2da5eab0 Sample:Bumblebee
md5 bd50d472d2be6b40850368d7477a1018 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