Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256897e53b648020ab28663240bbbce54546cf6f55b35019fd4aa2a209c4a3b1832
MD56e4e21b15f5c27ca82b7934fa6544c5d
File Typeexe
Size1467.1 KB
First Seen2023-02-21
File NameContract_02_21_Copy#32.exe
TagsBUMBLEBEE, DIGI CORP MEDIA LLC, exe, signed

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: 897e53b648020ab28663240bbbce54546cf6f55b35019fd4aa2a209c4a3b1832
  • MD5: 6e4e21b15f5c27ca82b7934fa6544c5d

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: 897e53b648020ab2"
        threat_level = "high"
        first_seen = "2023-02-21"
    condition:
        hash.sha256(0, filesize) == "897e53b648020ab28663240bbbce54546cf6f55b35019fd4aa2a209c4a3b1832"
}

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 897e53b648020ab28663240bbbce54546cf6f55b35019fd4aa2a209c4a3b1832 # MD5 6e4e21b15f5c27ca82b7934fa6544c5d
TypeValueNote
sha256 897e53b648020ab28663240bbbce54546cf6f55b35019fd4aa2a209c4a3b1832 Sample:Bumblebee
md5 6e4e21b15f5c27ca82b7934fa6544c5d 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