bumblebee | acb4007ac2eb34445394cbe66bd45782ff77119e05e5aa2b58567ef3a07b7755

Analysis

max time kernel
120s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/09/2024, 17:12 UTC

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General

Target

9hloq0.dll
Size

2.6MB
MD5

2719b9bc4e8a2f3f033b9ebf75ba05cb
SHA1

9bfdeae0f5dd641c5d9b945dc91e64321f21587b
SHA256

78beecc828a622f7cde900a68e5653438b60f9bdaf5d733996c499241c6d7130
SHA512

e137ed1116e571df3c3beaaf451f026e3d2b7669dd59f1ac2d15c3d6c2669404b6ab2651ce374704f29120ccddba040cce1067ae2ec350b907426b184885f871
SSDEEP

49152:7J6uk7ObJRXJ/tcgZOrclKg3uAqI6nwopOwmJQai7SfsEP5YnWPAIO/aGqvxK+nt:7J6uGObJRXJ/ygZOrclKYuAqInRJQaiS

Score

10^/10

bumblebee 2504r evasion loader

Malware Config

Extracted

Family

bumblebee

Botnet

2504r

104.168.236.99:443

23.82.141.184:443

172.241.29.169:443

rc4.plain

1
iKInPE9WrB

Signatures

BumbleBee
BumbleBee is a loader malware written in C++.
loader 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\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

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__	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\FADT\VBOX__	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\RSDT\VBOX__	rundll32.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	rundll32.exe

Blocklisted process makes network request 3 IoCs

flow	pid	Process
9	1748	rundll32.exe
21	1748	rundll32.exe
35	1748	rundll32.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\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

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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Wine	rundll32.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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9hloq0.dll,#1
1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Looks for VirtualBox Guest Additions in registry
- Blocklisted process makes network request
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks for VirtualBox DLLs, possible anti-VM trick
- Suspicious behavior: EnumeratesProcesses
PID:1748

Network

DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

97.17.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

97.17.167.52.in-addr.arpa

IN PTR

Response
DNS

25.140.123.92.in-addr.arpa

Remote address:

8.8.8.8:53

Request

25.140.123.92.in-addr.arpa

IN PTR

Response

25.140.123.92.in-addr.arpa

IN PTR

a92-123-140-25deploystaticakamaitechnologiescom
DNS

149.220.183.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

149.220.183.52.in-addr.arpa

IN PTR

Response
DNS

21.177.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

21.177.190.20.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

86.23.85.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

86.23.85.13.in-addr.arpa

IN PTR

Response
DNS

15.164.165.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

15.164.165.52.in-addr.arpa

IN PTR

Response
DNS

172.210.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.210.232.199.in-addr.arpa

IN PTR

Response
DNS

240.143.123.92.in-addr.arpa

Remote address:

8.8.8.8:53

Request

240.143.123.92.in-addr.arpa

IN PTR

Response

240.143.123.92.in-addr.arpa

IN PTR

a92-123-143-240deploystaticakamaitechnologiescom
DNS

43.229.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

43.229.111.52.in-addr.arpa

IN PTR

Response

104.168.236.99:443

rundll32.exe

260 B
5
23.82.141.184:443

rundll32.exe

260 B
5
172.241.29.169:443

rundll32.exe

260 B
5

8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

66 B
90 B
1
1

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

97.17.167.52.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

97.17.167.52.in-addr.arpa
8.8.8.8:53

25.140.123.92.in-addr.arpa

dns

72 B
137 B
1
1

DNS Request

25.140.123.92.in-addr.arpa
8.8.8.8:53

149.220.183.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

149.220.183.52.in-addr.arpa
8.8.8.8:53

21.177.190.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

21.177.190.20.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

86.23.85.13.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

86.23.85.13.in-addr.arpa
8.8.8.8:53

15.164.165.52.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

15.164.165.52.in-addr.arpa
8.8.8.8:53

172.210.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.210.232.199.in-addr.arpa
8.8.8.8:53

240.143.123.92.in-addr.arpa

dns

73 B
139 B
1
1

DNS Request

240.143.123.92.in-addr.arpa
8.8.8.8:53

43.229.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

43.229.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/1748-0-0x00007FF9DA1ED000-0x00007FF9DA1EE000-memory.dmp

Filesize
4KB

Download
memory/1748-1-0x000001D929CC0000-0x000001D929F0B000-memory.dmp

Filesize
2.3MB

Download
memory/1748-2-0x000001D929CC0000-0x000001D929F0B000-memory.dmp

Filesize
2.3MB

Download
memory/1748-4-0x00007FF9DA150000-0x00007FF9DA345000-memory.dmp

Filesize
2.0MB

Download
memory/1748-3-0x00007FF9DA150000-0x00007FF9DA345000-memory.dmp

Filesize
2.0MB

Download
memory/1748-5-0x00007FF9DA150000-0x00007FF9DA345000-memory.dmp

Filesize
2.0MB

Download
memory/1748-6-0x000001D929CC0000-0x000001D929F0B000-memory.dmp

Filesize
2.3MB

Download
memory/1748-7-0x000001D929CC0000-0x000001D929F0B000-memory.dmp

Filesize
2.3MB

Download
memory/1748-8-0x00007FF9DA1ED000-0x00007FF9DA1EE000-memory.dmp

Filesize
4KB

Download
memory/1748-9-0x00007FF9DA150000-0x00007FF9DA345000-memory.dmp

Filesize
2.0MB

Download
memory/1748-10-0x000001D929CC0000-0x000001D929F0B000-memory.dmp

Filesize
2.3MB

Download
memory/1748-11-0x000001D929CC0000-0x000001D929F0B000-memory.dmp

Filesize
2.3MB

Download
memory/1748-13-0x000001D929CC0000-0x000001D929F0B000-memory.dmp

Filesize
2.3MB

Download
memory/1748-12-0x000001D929CC0000-0x000001D929F0B000-memory.dmp

Filesize
2.3MB

Download
memory/1748-14-0x000001D929CC0000-0x000001D929F0B000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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