Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA25630e3127f2c81bf50a63e1a2c84267e21ff3c2817580df1fa05f143c6ab8ab4b2
MD5906fb0f09c721b6292b05828f2181acf
File Typeexe
Size804.0 KB
First Seen2022-08-27
File NameBumblebee_Unpacked.dll
TagsBUMBLEBEE, exe, unpacked

Malware Family: Bumblebee

Bumblebee, BazarLoader'ın halefidir.

TypeLoader
Programming LanguageC++
Target PlatformWindows
C2 ProtocolHTTPS
PurposeCobalt Strike dropper
First Seen Year2022

Threat Indicators (IOC)

  • SHA256: 30e3127f2c81bf50a63e1a2c84267e21ff3c2817580df1fa05f143c6ab8ab4b2
  • MD5: 906fb0f09c721b6292b05828f2181acf

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: 30e3127f2c81bf50"
        threat_level = "high"
        first_seen = "2022-08-27"
    condition:
        hash.sha256(0, filesize) == "30e3127f2c81bf50a63e1a2c84267e21ff3c2817580df1fa05f143c6ab8ab4b2"
}

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 30e3127f2c81bf50a63e1a2c84267e21ff3c2817580df1fa05f143c6ab8ab4b2 # MD5 906fb0f09c721b6292b05828f2181acf
TypeValueNote
sha256 30e3127f2c81bf50a63e1a2c84267e21ff3c2817580df1fa05f143c6ab8ab4b2 Sample:Bumblebee
md5 906fb0f09c721b6292b05828f2181acf 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