Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256123f96ff0a583d507439f79033ba4f5aa28cf43c5f2c093ac2445aaebdcfd31b
MD569f1eeb7d5d466a2d53c8b7e3a929e9c
File Typeexe
Size1093.5 KB
First Seen2022-05-19
File Nametamirlan.dll
Tags1905r, BUMBLEBEE, exe

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 123f96ff0a583d507439f79033ba4f5aa28cf43c5f2c093ac2445aaebdcfd31b
  • MD5: 69f1eeb7d5d466a2d53c8b7e3a929e9c

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: 123f96ff0a583d50"
        threat_level = "high"
        first_seen = "2022-05-19"
    condition:
        hash.sha256(0, filesize) == "123f96ff0a583d507439f79033ba4f5aa28cf43c5f2c093ac2445aaebdcfd31b"
}

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 123f96ff0a583d507439f79033ba4f5aa28cf43c5f2c093ac2445aaebdcfd31b # MD5 69f1eeb7d5d466a2d53c8b7e3a929e9c
TypeValueNote
sha256 123f96ff0a583d507439f79033ba4f5aa28cf43c5f2c093ac2445aaebdcfd31b Sample:Bumblebee
md5 69f1eeb7d5d466a2d53c8b7e3a929e9c 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