Malware Analysis Report

2024-10-23 15:36

Sample ID 230915-qxbdvscb5v
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

2023-09-15 13:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-15 13:37

Reported

2023-09-15 13:40

Platform

win7-20230831-en

Max time kernel

117s

Max time network

120s

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
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp

Files

memory/2256-0-0x00000000003A0000-0x0000000000419000-memory.dmp

memory/2256-1-0x00000000772C0000-0x0000000077469000-memory.dmp

memory/2256-2-0x0000000001FD0000-0x00000000020DA000-memory.dmp

memory/2256-4-0x00000000772C0000-0x0000000077469000-memory.dmp

memory/2256-5-0x0000000001FD0000-0x00000000020DA000-memory.dmp

memory/2256-6-0x0000000001FD0000-0x00000000020DA000-memory.dmp

memory/2256-7-0x00000000003A0000-0x0000000000419000-memory.dmp

memory/2256-8-0x00000000772C0000-0x0000000077469000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-15 13:37

Reported

2023-09-15 13:40

Platform

win10v2004-20230915-en

Max time kernel

142s

Max time network

150s

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 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 2.159.190.20.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
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 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 2.173.189.20.in-addr.arpa udp

Files

memory/4500-0-0x00000000025E0000-0x0000000002659000-memory.dmp

memory/4500-1-0x00007FFD24EF0000-0x00007FFD250E5000-memory.dmp

memory/4500-3-0x00000000027C0000-0x00000000028CA000-memory.dmp

memory/4500-2-0x00000000027C0000-0x00000000028CA000-memory.dmp

memory/4500-5-0x00000000027C0000-0x00000000028CA000-memory.dmp

memory/4500-4-0x00007FFD24EF0000-0x00007FFD250E5000-memory.dmp

memory/4500-6-0x00007FFD24EF0000-0x00007FFD250E5000-memory.dmp

memory/4500-7-0x00000000027C0000-0x00000000028CA000-memory.dmp

memory/4500-8-0x00000000025E0000-0x0000000002659000-memory.dmp

memory/4500-9-0x00007FFD24EF0000-0x00007FFD250E5000-memory.dmp