bumblebee | e8776d71e69ff47fd99eccfa87c70517624f3685dd75c29f415babf8c9721265

Analysis

max time kernel
90s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
15-09-2022 10:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

neqw.dll
Size

2.5MB
MD5

0d9da48b4d94dabe4f2d52e393afbca4
SHA1

220fe1a61a8f977dcc4c9a5d677a2aa972542d15
SHA256

e0ffbd8a2ed4b5f25702c5232732cdccfc7d2e21b8750e08a011bce05130f221
SHA512

e8c2b75df6f7d5a7ef6278ef58ec8d7291f494bcffbbd5f789e0662f598762a05d387c027c2a8249451eb657c37836ccaeeb44685a124e116a4896a6731ef0c2
SSDEEP

49152:D5jpz9L6rp6dCeyXDGAwywzo0xUDLsENLiBfGCYJHrj5AhfsM+5QP+YptuaG17:D59lMsCTzhYpxEbiF/YhjafsMF+R1

Score

10^/10

bumblebee vps1 evasion trojan

Malware Config

Extracted

Family

bumblebee

Botnet

VPS1

45.147.229.23:443

Signatures

BumbleBee
BumbleBee is a webshell malware written in C++.
trojan bumblebee

Enumerates VirtualBox registry keys 2 TTPs 5 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxMouse	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxService	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxVideo	rundll32.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\FADT\VBOX__	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\RSDT\VBOX__	rundll32.exe

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	rundll32.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	rundll32.exe

Checks BIOS information in registry 2 TTPs 3 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	rundll32.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Wine	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe
3480	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\neqw.dll,#1
1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious behavior: EnumeratesProcesses
PID:3480

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3480-132-0x00000216AF080000-0x00000216AF2CD000-memory.dmp

Filesize
2.3MB

Download
memory/3480-133-0x00007FF917840000-0x00007FF917850000-memory.dmp

Filesize
64KB

Download