Bumblebee | Threat Level: high | Type: Loader

Cryptographic Identifiers

SHA256b09c011d7ce5718ef44a8fe2e395dbb34430e85505b44359a39d0215a8a9976c
MD5a571129a2eab6d5c7d573210846c4e8c
File Typezip
Size948.9 KB
First Seen2022-06-24
File Namedocument.zip
Tags236r, BUMBLEBEE, TA578, zip

Malware Family: Bumblebee

Bumblebee, loader'dır.

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

Threat Indicators (IOC)

  • SHA256: b09c011d7ce5718ef44a8fe2e395dbb34430e85505b44359a39d0215a8a9976c
  • MD5: a571129a2eab6d5c7d573210846c4e8c

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: b09c011d7ce5718e"
        threat_level = "high"
        first_seen = "2022-06-24"
    condition:
        hash.sha256(0, filesize) == "b09c011d7ce5718ef44a8fe2e395dbb34430e85505b44359a39d0215a8a9976c"
}

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 b09c011d7ce5718ef44a8fe2e395dbb34430e85505b44359a39d0215a8a9976c # MD5 a571129a2eab6d5c7d573210846c4e8c
TypeValueNote
sha256 b09c011d7ce5718ef44a8fe2e395dbb34430e85505b44359a39d0215a8a9976c Sample:Bumblebee
md5 a571129a2eab6d5c7d573210846c4e8c 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