bumblebee | 734e3996a3fedd0744522f70a916d6affaad5fe56b52ef8903f27f1c0fe1337f

Analysis

max time kernel
142s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2022 17:43

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General

Target

ZRoeaQxZZMZDVb.dll
Size

2.0MB
MD5

29a405557da7bb24b2f278c5c46dfd3c
SHA1

a089591a65546d9f25e769c7f22b0c61e1836223
SHA256

0e3933b1489a91bfe99dd652d7e64c09380b210d2404f32b26251d34fa58ca8b
SHA512

b332d39986610cc8a1e816d567107778f5c9e45d6bf55c614e673f5853b990abb312a052773afba6eb8a0fb3f5d942d010f7188ccf36f79f3e8a86c7e65731ba
SSDEEP

49152:wivSCQ/OKrPtUJMo3OqiLd/+VeKUiGOxjYSguvSfc:wivSCQ/jzaT

Score

10^/10

bumblebee 0709lg evasion trojan

Malware Config

Extracted

Family

bumblebee

Botnet

0709lg

253.99.168.157:367

114.13.1.160:226

34.113.116.119:165

204.227.208.101:422

90.128.124.215:224

95.45.92.109:292

211.135.230.28:111

199.40.74.224:435

85.230.106.25:390

189.255.181.14:334

213.227.154.169:443

232.196.162.145:304

214.20.238.201:145

87.216.172.198:397

171.201.228.43:398

87.63.40.34:125

120.83.66.17:278

34.65.29.63:243

45.153.240.94:443

232.179.211.66:291

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\VBoxVideo	regsvr32.exe
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

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\FADT\VBOX__	regsvr32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\RSDT\VBOX__	regsvr32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Wine	regsvr32.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
4968	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe
4968	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ZRoeaQxZZMZDVb.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:4968

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/4968-132-0x0000000002C40000-0x0000000002D56000-memory.dmp

Filesize
1.1MB

Download
memory/4968-133-0x0000000002C40000-0x0000000002D56000-memory.dmp

Filesize
1.1MB

Download
memory/4968-134-0x0000000002C40000-0x0000000002D56000-memory.dmp

Filesize
1.1MB

Download
memory/4968-135-0x00007FFBE72C0000-0x00007FFBE72D0000-memory.dmp

Filesize
64KB

Download