Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256f476854936fba61ab407be730d4b96d4cf47eb9ba568c22fbde3807d48ae14f4
MD531b79a35dfd2cd8f59e7a070bc78347c
File Typeexe
Size1194.5 KB
First Seen2023-05-22
File Name31b79a35_f476854936fba61ab407be730d4b96d4cf47eb9ba568c22fbde3807d48ae14f4
TagsBUMBLEBEE, exe

Malware Family: Bumblebee

Bumblebee, BazarLoader'ın halefidir.

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

Threat Indicators (IOC)

  • SHA256: f476854936fba61ab407be730d4b96d4cf47eb9ba568c22fbde3807d48ae14f4
  • MD5: 31b79a35dfd2cd8f59e7a070bc78347c

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: f476854936fba61a"
        threat_level = "high"
        first_seen = "2023-05-22"
    condition:
        hash.sha256(0, filesize) == "f476854936fba61ab407be730d4b96d4cf47eb9ba568c22fbde3807d48ae14f4"
}

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 f476854936fba61ab407be730d4b96d4cf47eb9ba568c22fbde3807d48ae14f4 # MD5 31b79a35dfd2cd8f59e7a070bc78347c
TypeValueNote
sha256 f476854936fba61ab407be730d4b96d4cf47eb9ba568c22fbde3807d48ae14f4
md5 31b79a35dfd2cd8f59e7a070bc78347c

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
bumblebeeloadermalwarehighsha256analizzenginleştirilmiş