Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256d74a3f9b35d657516eb53d4e70582f93d22077d3e0936758cc4ef76d5171075d
MD536edfed5e6ed95b414e4e83c69c53265
File Typeexe
Size2198.0 KB
First Seen2022-04-15
File Named74a3f9b35d657516eb53d4e70582f93d22077d3e0936758cc4ef76d5171075d
TagsBUMBLEBEE, exe

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: d74a3f9b35d657516eb53d4e70582f93d22077d3e0936758cc4ef76d5171075d
  • MD5: 36edfed5e6ed95b414e4e83c69c53265

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: d74a3f9b35d65751"
        threat_level = "high"
        first_seen = "2022-04-15"
    condition:
        hash.sha256(0, filesize) == "d74a3f9b35d657516eb53d4e70582f93d22077d3e0936758cc4ef76d5171075d"
}

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 d74a3f9b35d657516eb53d4e70582f93d22077d3e0936758cc4ef76d5171075d # MD5 36edfed5e6ed95b414e4e83c69c53265
TypeValueNote
sha256 d74a3f9b35d657516eb53d4e70582f93d22077d3e0936758cc4ef76d5171075d Sample:Bumblebee
md5 36edfed5e6ed95b414e4e83c69c53265 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