bumblebee | dd2eaf56b19754263073fbf64bc00e236de3053c303ffc63bf0e7821b6ac6d64

General

Target

documents request.lnk
Size

1KB
MD5

c792b04c766ab57b49f5cfe33552a0ba
SHA1

badce1297ba8768de589ebae02c955fc99dd3fbe
SHA256

ccbd285306a104b9c4318202bc4afa15af5d285215922877086be4f928494112
SHA512

f9351239f546174314f2ddb2e311a9b8053ca2ab2d59d11541822f2df453ccd8faa477564ef19a5815b72c90f738fdabfc6c03592e9c9f81f18c254e79ff2747

Score

10^/10

bumblebee 276l evasion loader

Malware Config

Extracted

Family

bumblebee

Botnet

276l

C2

172.93.193.124:443

45.153.241.64:443

45.153.241.19:443

rc4.plain

Signatures

BumbleBee
BumbleBee is a loader malware written in C++.
loader bumblebee
Bumblebee family
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\VBoxSF	odbcconf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxVideo	odbcconf.exe
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

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-1-5-21-1488793075-819845221-1497111674-1000\SOFTWARE\Wine	odbcconf.exe

Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\VBoxMiniRdrDN	odbcconf.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 41 IoCs

pid	Process
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe
2044	odbcconf.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2044	2236	cmd.exe	29
PID 2236 wrote to memory of 2044	2236	cmd.exe	29
PID 2236 wrote to memory of 2044	2236	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\documents request.lnk"
1⤵
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\System32\odbcconf.exe
  "C:\Windows\System32\odbcconf.exe" -f stats.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
  - Checks for VirtualBox DLLs, possible anti-VM trick
  - Suspicious behavior: EnumeratesProcesses
  PID:2044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

4

T1497

Credential Access

Discovery

Query Registry

5

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

4

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2044-38-0x0000000002250000-0x0000000002366000-memory.dmp

Filesize
1.1MB

Download
memory/2044-39-0x00000000770B0000-0x0000000077259000-memory.dmp

Filesize
1.7MB

Download
memory/2044-37-0x0000000002250000-0x0000000002366000-memory.dmp

Filesize
1.1MB

Download
memory/2044-36-0x0000000077101000-0x0000000077102000-memory.dmp

Filesize
4KB

Download
memory/2044-40-0x00000000770B0000-0x0000000077259000-memory.dmp

Filesize
1.7MB

Download
memory/2044-41-0x00000000770B0000-0x0000000077259000-memory.dmp

Filesize
1.7MB

Download
memory/2044-42-0x0000000002250000-0x0000000002366000-memory.dmp

Filesize
1.1MB

Download
memory/2044-43-0x00000000770B0000-0x0000000077259000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads