bumblebee | 37309d308a84d51e829148dbf54d72c8e8bcd4523a2f926fd633cb1b7ddc2e9d

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2023 19:26

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General

Target

0.exe
Size

596KB
MD5

daf9c4f8fe9b58a871cbcebe7bece182
SHA1

abd10f1a4dba540a79f8dc9aca00f8da7b0df848
SHA256

37309d308a84d51e829148dbf54d72c8e8bcd4523a2f926fd633cb1b7ddc2e9d
SHA512

9c5c2f0c2101d764e349b2de875790455972c3ead57505ad8364ec2fbd09e055bcdaea6bdbc068e75d3aedf5c60c22a791ff6326db99530d0e8f418987e5fd1a
SSDEEP

12288:Lg/fe/kqaXAc0WjDMWLUmTlRWKhtpByXMCROa6:sX1fXALqjRzhtiM4Oa6

Score

10^/10

bumblebee lnk1 trojan

Malware Config

Extracted

Family

bumblebee

Botnet

lnk1

rc4.plain

Signatures

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

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{7E86EAF6-8641-475F-A569-C24DF338F965}.catalogItem	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\0.exe
"C:\Users\Admin\AppData\Local\Temp\0.exe"
1⤵
PID:4920

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:2024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4920-7-0x000001F63EA60000-0x000001F63EACD000-memory.dmp

Filesize
436KB

Download
memory/4920-8-0x000001F63EBD0000-0x000001F63ECD7000-memory.dmp

Filesize
1.0MB

Download
memory/4920-9-0x000001F63EBD0000-0x000001F63ECD7000-memory.dmp

Filesize
1.0MB

Download
memory/4920-10-0x000001F63EBD0000-0x000001F63ECD7000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads