Bumblebee | Threat Level: high | Type: Loader
Cryptographic Identifiers
| SHA256 | 8ecf6a6fc3ac4d038df81f60f9916c1fbd6419326483dcfaa8995c6a17a0becb |
|---|---|
| MD5 | 8969a66cca9ba83e72fab942ea2321b0 |
| File Type | msi |
| Size | 8823.0 KB |
| First Seen | 2023-03-02 |
| File Name | FACT6400a.msi |
| Tags | BUMBLEBEE, msi |
Malware Family: Bumblebee
Bumblebee, BazarLoader'ın halefidir.
| Type | Loader |
|---|---|
| Programming Language | C++ |
| Target Platform | Windows |
| C2 Protocol | HTTPS |
| Purpose | Cobalt Strike dropper |
| First Seen Year | 2022 |
Threat Indicators (IOC)
- SHA256:
8ecf6a6fc3ac4d038df81f60f9916c1fbd6419326483dcfaa8995c6a17a0becb - MD5:
8969a66cca9ba83e72fab942ea2321b0
System Cleanup Guide
- Disconnect the system from the network — the loader may be downloading more malware
- Analyze every downloaded payload
- Inspect all network traffic and cut suspicious connections
- Run a full antivirus scan
- Consider reimaging the system
YARA Rule Hints
rule Bumblebee_SHA256 {
meta:
description = "Bumblebee sample: 8ecf6a6fc3ac4d03"
threat_level = "high"
first_seen = "2023-03-02"
condition:
hash.sha256(0, filesize) == "8ecf6a6fc3ac4d038df81f60f9916c1fbd6419326483dcfaa8995c6a17a0becb"
}
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
8ecf6a6fc3ac4d038df81f60f9916c1fbd6419326483dcfaa8995c6a17a0becb
# MD5
8969a66cca9ba83e72fab942ea2321b0
| Type | Value | Note |
|---|---|---|
| sha256 | 8ecf6a6fc3ac4d038df81f60f9916c1fbd6419326483dcfaa8995c6a17a0becb | |
| md5 | 8969a66cca9ba83e72fab942ea2321b0 |
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.