Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256bf710851975bd6c5e0df0ed3b145ef1e7d052adff5fbe280fc4601a2c4b03178
MD5d033574f5a729daa3b135dc384e064c0
File Typevhd
Size6164.0 KB
First Seen2022-08-31
File Namerenamed.vhd
Tags3108, BUMBLEBEE, TA580, 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: bf710851975bd6c5e0df0ed3b145ef1e7d052adff5fbe280fc4601a2c4b03178
  • MD5: d033574f5a729daa3b135dc384e064c0

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: bf710851975bd6c5"
        threat_level = "high"
        first_seen = "2022-08-31"
    condition:
        hash.sha256(0, filesize) == "bf710851975bd6c5e0df0ed3b145ef1e7d052adff5fbe280fc4601a2c4b03178"
}

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 bf710851975bd6c5e0df0ed3b145ef1e7d052adff5fbe280fc4601a2c4b03178 # MD5 d033574f5a729daa3b135dc384e064c0
TypeValueNote
sha256 bf710851975bd6c5e0df0ed3b145ef1e7d052adff5fbe280fc4601a2c4b03178 Sample:Bumblebee
md5 d033574f5a729daa3b135dc384e064c0 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