Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2564a5d5e6537044cdbf8de9960d79c85b15997784ba1b74659dbfcb248ccc94f59
MD5d5917b4035dabf4e1df81fd79c4d2313
File Typeexe
Size1445.0 KB
First Seen2023-03-04
File NameBumbleBeeLoader.bin
Tags202lg, BUMBLEBEE, exe

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 4a5d5e6537044cdbf8de9960d79c85b15997784ba1b74659dbfcb248ccc94f59
  • MD5: d5917b4035dabf4e1df81fd79c4d2313

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: 4a5d5e6537044cdb"
        threat_level = "high"
        first_seen = "2023-03-04"
    condition:
        hash.sha256(0, filesize) == "4a5d5e6537044cdbf8de9960d79c85b15997784ba1b74659dbfcb248ccc94f59"
}

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 4a5d5e6537044cdbf8de9960d79c85b15997784ba1b74659dbfcb248ccc94f59 # MD5 d5917b4035dabf4e1df81fd79c4d2313
TypeValueNote
sha256 4a5d5e6537044cdbf8de9960d79c85b15997784ba1b74659dbfcb248ccc94f59 Sample:Bumblebee
md5 d5917b4035dabf4e1df81fd79c4d2313 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