Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2565a811e9e3c4ea98604ec4b412b230e4acb97f1118b45832ad0d90be6cea73ab8
MD5b3eac58eea336cd88ab6efbe41b00a7e
File Typeexe
Size975.0 KB
First Seen2022-05-19
File Nametextol.dll
TagsBUMBLEBEE, exe

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 5a811e9e3c4ea98604ec4b412b230e4acb97f1118b45832ad0d90be6cea73ab8
  • MD5: b3eac58eea336cd88ab6efbe41b00a7e

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: 5a811e9e3c4ea986"
        threat_level = "high"
        first_seen = "2022-05-19"
    condition:
        hash.sha256(0, filesize) == "5a811e9e3c4ea98604ec4b412b230e4acb97f1118b45832ad0d90be6cea73ab8"
}

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 5a811e9e3c4ea98604ec4b412b230e4acb97f1118b45832ad0d90be6cea73ab8 # MD5 b3eac58eea336cd88ab6efbe41b00a7e
TypeValueNote
sha256 5a811e9e3c4ea98604ec4b412b230e4acb97f1118b45832ad0d90be6cea73ab8 Sample:Bumblebee
md5 b3eac58eea336cd88ab6efbe41b00a7e 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