Malware Analysis Report

2024-10-19 01:07

Sample ID 231013-1g3taabg8x
Target 33e80e854c0959e28b1f94cdcd67e28298dcfa3d80d160bc2042f00047a81922_JC.exe
SHA256 33e80e854c0959e28b1f94cdcd67e28298dcfa3d80d160bc2042f00047a81922
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

33e80e854c0959e28b1f94cdcd67e28298dcfa3d80d160bc2042f00047a81922

Threat Level: Known bad

The file 33e80e854c0959e28b1f94cdcd67e28298dcfa3d80d160bc2042f00047a81922_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 21:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-13 21:38

Reported

2023-10-14 08:32

Platform

win7-20230831-en

Max time kernel

125s

Max time network

142s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\33e80e854c0959e28b1f94cdcd67e28298dcfa3d80d160bc2042f00047a81922_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\33e80e854c0959e28b1f94cdcd67e28298dcfa3d80d160bc2042f00047a81922_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/2984-0-0x0000000000510000-0x0000000000589000-memory.dmp

memory/2984-1-0x0000000002050000-0x000000000215A000-memory.dmp

memory/2984-2-0x0000000077B30000-0x0000000077CD9000-memory.dmp

memory/2984-3-0x0000000077B30000-0x0000000077CD9000-memory.dmp

memory/2984-6-0x0000000002050000-0x000000000215A000-memory.dmp

memory/2984-5-0x0000000077B30000-0x0000000077CD9000-memory.dmp

memory/2984-7-0x0000000002050000-0x000000000215A000-memory.dmp

memory/2984-8-0x0000000000510000-0x0000000000589000-memory.dmp

memory/2984-9-0x0000000077B30000-0x0000000077CD9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-13 21:38

Reported

2023-10-14 08:32

Platform

win10v2004-20230915-en

Max time kernel

151s

Max time network

150s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\33e80e854c0959e28b1f94cdcd67e28298dcfa3d80d160bc2042f00047a81922_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\33e80e854c0959e28b1f94cdcd67e28298dcfa3d80d160bc2042f00047a81922_JC.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 29.81.57.23.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 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.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 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 254.178.238.8.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.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 11.227.111.52.in-addr.arpa udp
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 v5b6ml4o0nq.life udp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp

Files

memory/552-0-0x00000000025B0000-0x0000000002629000-memory.dmp

memory/552-1-0x00007FFD76FD0000-0x00007FFD771C5000-memory.dmp

memory/552-2-0x00007FFD76FD0000-0x00007FFD771C5000-memory.dmp

memory/552-3-0x0000000002740000-0x000000000284A000-memory.dmp

memory/552-4-0x00007FFD76FD0000-0x00007FFD771C5000-memory.dmp

memory/552-5-0x0000000002740000-0x000000000284A000-memory.dmp

memory/552-6-0x0000000002740000-0x000000000284A000-memory.dmp

memory/552-7-0x0000000002740000-0x000000000284A000-memory.dmp

memory/552-8-0x00000000025B0000-0x0000000002629000-memory.dmp

memory/552-9-0x00007FFD76FD0000-0x00007FFD771C5000-memory.dmp