Malware Analysis Report

2024-10-19 01:06

Sample ID 231013-1bejhabd2t
Target e1dbce8a89b5fea0f3cf6da9560fd573dfe9c93c5d6d8d2fef8902a3589cdf15_JC.exe
SHA256 e1dbce8a89b5fea0f3cf6da9560fd573dfe9c93c5d6d8d2fef8902a3589cdf15
Tags
bumblebee js1 trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e1dbce8a89b5fea0f3cf6da9560fd573dfe9c93c5d6d8d2fef8902a3589cdf15

Threat Level: Known bad

The file e1dbce8a89b5fea0f3cf6da9560fd573dfe9c93c5d6d8d2fef8902a3589cdf15_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

2023-10-13 21:28

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-13 21:28

Reported

2023-10-14 08:02

Platform

win7-20230831-en

Max time kernel

131s

Max time network

159s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e1dbce8a89b5fea0f3cf6da9560fd573dfe9c93c5d6d8d2fef8902a3589cdf15_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\e1dbce8a89b5fea0f3cf6da9560fd573dfe9c93c5d6d8d2fef8902a3589cdf15_JC.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 v5b6ml4o0nq.life udp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 v5b6ml4o0nq.life udp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp

Files

memory/3012-0-0x0000000001C10000-0x0000000001C89000-memory.dmp

memory/3012-1-0x0000000077650000-0x00000000777F9000-memory.dmp

memory/3012-2-0x0000000001F30000-0x000000000203A000-memory.dmp

memory/3012-3-0x0000000077650000-0x00000000777F9000-memory.dmp

memory/3012-5-0x0000000001F30000-0x000000000203A000-memory.dmp

memory/3012-6-0x0000000001F30000-0x000000000203A000-memory.dmp

memory/3012-7-0x0000000001C10000-0x0000000001C89000-memory.dmp

memory/3012-8-0x0000000077650000-0x00000000777F9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-13 21:28

Reported

2023-10-14 08:02

Platform

win10v2004-20230915-en

Max time kernel

147s

Max time network

152s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e1dbce8a89b5fea0f3cf6da9560fd573dfe9c93c5d6d8d2fef8902a3589cdf15_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\e1dbce8a89b5fea0f3cf6da9560fd573dfe9c93c5d6d8d2fef8902a3589cdf15_JC.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 v5b6ml4o0nq.life udp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 84.18.241.35.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 29.81.57.23.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 v5b6ml4o0nq.life udp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 v5b6ml4o0nq.life udp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 85.65.42.20.in-addr.arpa udp

Files

memory/3716-0-0x0000000002550000-0x00000000025C9000-memory.dmp

memory/3716-3-0x00000000026E0000-0x00000000027EA000-memory.dmp

memory/3716-2-0x00007FFD77810000-0x00007FFD77A05000-memory.dmp

memory/3716-1-0x00000000026E0000-0x00000000027EA000-memory.dmp

memory/3716-4-0x00007FFD77810000-0x00007FFD77A05000-memory.dmp

memory/3716-5-0x00000000026E0000-0x00000000027EA000-memory.dmp

memory/3716-6-0x00000000026E0000-0x00000000027EA000-memory.dmp

memory/3716-7-0x0000000002550000-0x00000000025C9000-memory.dmp

memory/3716-8-0x00007FFD77810000-0x00007FFD77A05000-memory.dmp