Malware Analysis Report

2024-10-23 15:36

Sample ID 230915-pngzlsed47
Target 131cee43a6f14bd9133246e87828275c30b2ad9d3036b4fcd4a08001903fa7e7_JC.exe
SHA256 131cee43a6f14bd9133246e87828275c30b2ad9d3036b4fcd4a08001903fa7e7
Tags
bumblebee js1 trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

131cee43a6f14bd9133246e87828275c30b2ad9d3036b4fcd4a08001903fa7e7

Threat Level: Known bad

The file 131cee43a6f14bd9133246e87828275c30b2ad9d3036b4fcd4a08001903fa7e7_JC.exe was found to be: Known bad.

Malicious Activity Summary

bumblebee js1 trojan

BumbleBee

Suspicious use of NtCreateThreadExHideFromDebugger

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-15 12:28

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-15 12:28

Reported

2023-09-15 12:31

Platform

win10v2004-20230915-en

Max time kernel

143s

Max time network

151s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\131cee43a6f14bd9133246e87828275c30b2ad9d3036b4fcd4a08001903fa7e7_JC.dll

Signatures

BumbleBee

trojan bumblebee

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\131cee43a6f14bd9133246e87828275c30b2ad9d3036b4fcd4a08001903fa7e7_JC.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 v5b6ml4o0nq.life udp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 240.151.203.116.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 136.71.105.51.in-addr.arpa udp

Files

memory/3812-0-0x00000000025C0000-0x0000000002639000-memory.dmp

memory/3812-1-0x0000000002790000-0x000000000289A000-memory.dmp

memory/3812-2-0x00007FFA9AD30000-0x00007FFA9AF25000-memory.dmp

memory/3812-6-0x00007FFA9AD30000-0x00007FFA9AF25000-memory.dmp

memory/3812-5-0x0000000002790000-0x000000000289A000-memory.dmp

memory/3812-4-0x0000000002790000-0x000000000289A000-memory.dmp

memory/3812-3-0x00007FFA9AD30000-0x00007FFA9AF25000-memory.dmp

memory/3812-7-0x00007FFA9AD30000-0x00007FFA9AF25000-memory.dmp

memory/3812-8-0x00007FFA9AD30000-0x00007FFA9AF25000-memory.dmp

memory/3812-9-0x0000000002790000-0x000000000289A000-memory.dmp

memory/3812-10-0x00000000025C0000-0x0000000002639000-memory.dmp

memory/3812-11-0x00007FFA9AD30000-0x00007FFA9AF25000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-15 12:28

Reported

2023-09-15 12:30

Platform

win7-20230831-en

Max time kernel

141s

Max time network

145s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\131cee43a6f14bd9133246e87828275c30b2ad9d3036b4fcd4a08001903fa7e7_JC.dll

Signatures

BumbleBee

trojan bumblebee

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\131cee43a6f14bd9133246e87828275c30b2ad9d3036b4fcd4a08001903fa7e7_JC.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 v5b6ml4o0nq.life udp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp

Files

memory/2404-0-0x0000000001D10000-0x0000000001D89000-memory.dmp

memory/2404-1-0x0000000076DC0000-0x0000000076F69000-memory.dmp

memory/2404-2-0x0000000001F80000-0x000000000208A000-memory.dmp

memory/2404-4-0x0000000001F80000-0x000000000208A000-memory.dmp

memory/2404-5-0x0000000076DC0000-0x0000000076F69000-memory.dmp

memory/2404-6-0x0000000001F80000-0x000000000208A000-memory.dmp

memory/2404-7-0x0000000001D10000-0x0000000001D89000-memory.dmp

memory/2404-8-0x0000000076DC0000-0x0000000076F69000-memory.dmp