bumblebee | d184c7fac35e68924cf520d33fabc0703198756e096592dd31eec6101b5551e5

Resubmissions

10-10-2022 17:13

221010-vrjkhacggj 10

03-06-2022 21:56

03-06-2022 21:55

03-06-2022 21:38

03-06-2022 21:28

Analysis

max time kernel
1587s
max time network
1617s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
10-10-2022 17:13

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General

Target

lipes.dll
Size

1.5MB
MD5

9ef37bfa9f7e30500ad9edf136ee59d1
SHA1

7b31d4ec43c65666f2e08bb73ec7877cf74d34a0
SHA256

a1040e1d6b43eda731179d139f76949afb962b8cb28c55f4097cf5a5c6c445c1
SHA512

1a52c2bb2775476a14220f79483582b5b09a310fcc5b017df8482ad3e5a0fb6438e28ae23da4cc76e6f05972ccec0d077065dcbd8d8d219d5897250ce38393bd
SSDEEP

49152:kowwxiVJF/esysoUCNzUD0YLROMgd8JC:kopxiVJr

Score

10^/10

bumblebee 106r evasion trojan

Malware Config

Extracted

Family

bumblebee

Botnet

106r

144.19.20.11:443

150.27.81.2:443

46.21.153.145:443

109.45.29.202:443

6.30.139.246:443

236.110.58.103:443

36.110.58.103:443

149.255.35.134:443

9.63.15.101:443

45.147.229.50:443

184.23.74.168:443

139.24.56.111:443

243.45.135.100:443

21.246.85.34:443

79.44.167.23:443

30.17.4.146:443

56.134.87.45:443

16.46.4.333:443

224.145.6.33:443

rc4.plain

Signatures

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

Enumerates VirtualBox registry keys 2 TTPs 10 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
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 6 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

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

Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

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

Checks BIOS information in registry 2 TTPs 6 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\VideoBiosVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	rundll32.exe
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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe

Identifies Wine through registry keys 2 TTPs 2 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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Wine	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Wine	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe
3468	rundll32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 3460	4620	cmd.exe	101
PID 4620 wrote to memory of 3460	4620	cmd.exe	101
PID 4620 wrote to memory of 3372	4620	cmd.exe	106
PID 4620 wrote to memory of 3372	4620	cmd.exe	106

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\lipes.dll,#1
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 behavior: EnumeratesProcesses
PID:3468

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4620
- C:\Windows\system32\rundll32.exe
  rundll32.exe
  2⤵
  PID:3460
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\lipes.dll,oFWkRTFwjm
  2⤵
  - 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
  PID:3372

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3620

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/3372-136-0x000001CDCED00000-0x000001CDCEE17000-memory.dmp

Filesize
1.1MB

Download
memory/3372-137-0x00007FFFFCD00000-0x00007FFFFCD10000-memory.dmp

Filesize
64KB

Download
memory/3468-132-0x0000021A3FD60000-0x0000021A3FE77000-memory.dmp

Filesize
1.1MB

Download
memory/3468-133-0x00007FFFFCD00000-0x00007FFFFCD10000-memory.dmp

Filesize
64KB

Download