Malware Analysis Report

2024-10-19 01:06

Sample ID 231013-1grq1sde69
Target 452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_JC.exe
SHA256 452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b
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

452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b

Threat Level: Known bad

The file 452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_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 21:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-13 21:37

Reported

2023-10-14 08:29

Platform

win7-20230831-en

Max time kernel

130s

Max time network

136s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_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\452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_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 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

Files

memory/2552-0-0x00000000001B0000-0x0000000000229000-memory.dmp

memory/2552-1-0x0000000077860000-0x0000000077A09000-memory.dmp

memory/2552-3-0x0000000077860000-0x0000000077A09000-memory.dmp

memory/2552-2-0x0000000002000000-0x000000000210A000-memory.dmp

memory/2552-5-0x0000000002000000-0x000000000210A000-memory.dmp

memory/2552-6-0x0000000002000000-0x000000000210A000-memory.dmp

memory/2552-7-0x00000000001B0000-0x0000000000229000-memory.dmp

memory/2552-8-0x0000000077860000-0x0000000077A09000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-13 21:37

Reported

2023-10-14 08:30

Platform

win10v2004-20230915-en

Max time kernel

136s

Max time network

158s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_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\452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_JC.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.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
US 8.8.8.8:53 29.81.57.23.in-addr.arpa 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 54.120.234.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 254.210.247.8.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 26.35.223.20.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 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 90.16.208.104.in-addr.arpa udp

Files

memory/4816-0-0x0000000002240000-0x00000000022B9000-memory.dmp

memory/4816-1-0x00007FF989870000-0x00007FF989A65000-memory.dmp

memory/4816-3-0x00007FF989870000-0x00007FF989A65000-memory.dmp

memory/4816-4-0x00000000023E0000-0x00000000024EA000-memory.dmp

memory/4816-5-0x00000000023E0000-0x00000000024EA000-memory.dmp

memory/4816-2-0x00000000023E0000-0x00000000024EA000-memory.dmp

memory/4816-6-0x00000000023E0000-0x00000000024EA000-memory.dmp

memory/4816-7-0x0000000002240000-0x00000000022B9000-memory.dmp

memory/4816-8-0x00007FF989870000-0x00007FF989A65000-memory.dmp