Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA2569570591e6b867c4f84aa74812957f13bc648ba7d2f1cbff9545005ededcb45f9
MD5e8b42b455ad5c4d250dd4fd42b227fc4
File Typeexe
Size1592.9 KB
First Seen2023-04-05
File Nameinst5.exe
TagsBUMBLEBEE, exe, signed

Malware Family: Bumblebee

Bumblebee, BazarLoader'ın halefidir.

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

Threat Indicators (IOC)

  • SHA256: 9570591e6b867c4f84aa74812957f13bc648ba7d2f1cbff9545005ededcb45f9
  • MD5: e8b42b455ad5c4d250dd4fd42b227fc4

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: 9570591e6b867c4f"
        threat_level = "high"
        first_seen = "2023-04-05"
    condition:
        hash.sha256(0, filesize) == "9570591e6b867c4f84aa74812957f13bc648ba7d2f1cbff9545005ededcb45f9"
}

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 9570591e6b867c4f84aa74812957f13bc648ba7d2f1cbff9545005ededcb45f9 # MD5 e8b42b455ad5c4d250dd4fd42b227fc4
TypeValueNote
sha256 9570591e6b867c4f84aa74812957f13bc648ba7d2f1cbff9545005ededcb45f9
md5 e8b42b455ad5c4d250dd4fd42b227fc4

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