Malware Analysis Report

2024-10-23 15:36

Sample ID 230915-ps2vksee39
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: 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

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

2023-09-15 12:36

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-15 12:36

Reported

2023-09-15 12:38

Platform

win10v2004-20230915-en

Max time kernel

143s

Max time network

148s

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 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 22.160.190.20.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
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 1.208.79.178.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 13.173.189.20.in-addr.arpa udp

Files

memory/1428-0-0x0000000002560000-0x00000000025D9000-memory.dmp

memory/1428-1-0x00007FFAB7D70000-0x00007FFAB7F65000-memory.dmp

memory/1428-2-0x00000000026F0000-0x00000000027FA000-memory.dmp

memory/1428-4-0x00007FFAB7D70000-0x00007FFAB7F65000-memory.dmp

memory/1428-6-0x00007FFAB7D70000-0x00007FFAB7F65000-memory.dmp

memory/1428-5-0x00000000026F0000-0x00000000027FA000-memory.dmp

memory/1428-3-0x00000000026F0000-0x00000000027FA000-memory.dmp

memory/1428-7-0x00000000026F0000-0x00000000027FA000-memory.dmp

memory/1428-8-0x0000000002560000-0x00000000025D9000-memory.dmp

memory/1428-9-0x00007FFAB7D70000-0x00007FFAB7F65000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-15 12:36

Reported

2023-09-15 12:38

Platform

win7-20230831-en

Max time kernel

122s

Max time network

129s

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
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp

Files

memory/2976-0-0x00000000001A0000-0x0000000000219000-memory.dmp

memory/2976-1-0x0000000001F60000-0x000000000206A000-memory.dmp

memory/2976-2-0x0000000077B30000-0x0000000077CD9000-memory.dmp

memory/2976-3-0x0000000077B30000-0x0000000077CD9000-memory.dmp

memory/2976-5-0x0000000077B30000-0x0000000077CD9000-memory.dmp

memory/2976-6-0x0000000001F60000-0x000000000206A000-memory.dmp

memory/2976-7-0x0000000001F60000-0x000000000206A000-memory.dmp

memory/2976-8-0x00000000001A0000-0x0000000000219000-memory.dmp

memory/2976-9-0x0000000077B30000-0x0000000077CD9000-memory.dmp