bumblebee | c5ae818f3e0fe518e0aaadac7b21ba6477943b57465fe2ded1717b7a9f1705b6

Resubmissions

13-10-2022 05:26

221013-f44zmsagfm 10

13-10-2022 05:21

221013-f2ft2abae7 1

05-07-2022 20:58

220705-zsep6achfq 10

Analysis

max time kernel
26s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
13-10-2022 05:26

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General

Target

Project requirements.lnk
Size

1KB
MD5

6ca6a8b1a8d781bc91444dc2402d3f58
SHA1

a66015ece818c3c35d0ae8a400ee9c102425186b
SHA256

3926bec362d86edc8fcc4e283d6b93b21108d6b9d194de9fc1108df2944b0319
SHA512

f778da9c3762ceb37b65c6ba6864e6158e44a99eb776108825c02b4bb56dc309ec4998eb66b053cff99984294f49365b6a50bf8e83e07ec58782a80fbdf5b2a9

Score

10^/10

bumblebee 407a evasion trojan

Malware Config

Extracted

Family

bumblebee

Botnet

407a

103.175.16.49:443

209.141.41.46:443

45.153.242.183:443

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	odbcconf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxMouse	odbcconf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxService	odbcconf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	odbcconf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxVideo	odbcconf.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__	odbcconf.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\FADT\VBOX__	odbcconf.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\RSDT\VBOX__	odbcconf.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	odbcconf.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	odbcconf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	odbcconf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	odbcconf.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-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Wine	odbcconf.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1300	odbcconf.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 41 IoCs

pid	Process
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe
1300	odbcconf.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 1300	1044	cmd.exe	28
PID 1044 wrote to memory of 1300	1044	cmd.exe	28
PID 1044 wrote to memory of 1300	1044	cmd.exe	28

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Project requirements.lnk"
1⤵
- Suspicious use of WriteProcessMemory
PID:1044
- C:\Windows\System32\odbcconf.exe
  "C:\Windows\System32\odbcconf.exe" -f prjct.rsp
  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
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  PID:1300

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

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Downloads

memory/1044-54-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp

Filesize
8KB

Download
memory/1300-92-0x00000000021E0000-0x00000000022F6000-memory.dmp

Filesize
1.1MB

Download