bumblebee | c021cd6c46672918c040eb69b0f714d981c1c401b843f1e17e1e129d548f8b99

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2022 10:10

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General

Target

request/JwiggegecGrAtB.dll
Size

1.4MB
MD5

0452d7a9495c0d52cca77823d7ed038a
SHA1

10b2622cff8169d8925af69cb82e92741be4fa1c
SHA256

d61a8789efb9ce1d88d747e25b35bde938f7b749190470a29ec94334fca17259
SHA512

fb71ae9fb2a940d6c8226702475764118c3d6229e7d8501785c42d2cd99afca3b63928f7cdcab0ba626af2e4095b1f7cffa3fe4cb998649b036224fef83150b0
SSDEEP

24576:uYdzZyfNddAr0UjQ3YTF++P8rebQacJ0RVxPiW3IW/Hk0wGaW:uYNEfNYrZjAaF++dY0X6mIWfkHGa

Score

10^/10

bumblebee 2908 evasion trojan

Malware Config

Extracted

Family

bumblebee

Botnet

2908

64.44.98.213:443

100.113.3.207:189

248.191.121.15:332

169.102.141.78:250

161.202.4.242:333

112.151.217.255:451

185.17.40.189:443

10.41.59.121:290

229.229.228.155:345

147.254.231.107:449

105.222.222.48:403

87.37.138.133:474

67.120.105.118:346

159.140.31.255:474

88.205.174.117:143

163.164.171.23:319

111.231.132.164:372

212.58.118.174:298

138.20.6.192:225

156.130.113.183:393

rc4.plain

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	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxMouse	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxService	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxVideo	regsvr32.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__	regsvr32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\FADT\VBOX__	regsvr32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\RSDT\VBOX__	regsvr32.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	regsvr32.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	regsvr32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	regsvr32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	regsvr32.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-1-5-21-1502147629-2175634256-330282290-1000\SOFTWARE\Wine	regsvr32.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
4600	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe
4600	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\request\JwiggegecGrAtB.dll
1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4600

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

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Downloads

memory/4600-132-0x0000000002820000-0x0000000002936000-memory.dmp

Filesize
1.1MB

Download
memory/4600-134-0x0000000002820000-0x0000000002936000-memory.dmp

Filesize
1.1MB

Download
memory/4600-133-0x0000000002820000-0x0000000002936000-memory.dmp

Filesize
1.1MB

Download
memory/4600-135-0x00007FFC073C0000-0x00007FFC073D0000-memory.dmp

Filesize
64KB

Download