Malware Analysis Report

2024-10-23 15:36

Sample ID 230915-pr4msaee24
Target 2aae03be2893a2d742528bbd737b4195d84f6d3663e9eeff8c646c53675d7838_JC.exe
SHA256 2aae03be2893a2d742528bbd737b4195d84f6d3663e9eeff8c646c53675d7838
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

2aae03be2893a2d742528bbd737b4195d84f6d3663e9eeff8c646c53675d7838

Threat Level: Known bad

The file 2aae03be2893a2d742528bbd737b4195d84f6d3663e9eeff8c646c53675d7838_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 12:34

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-15 12:34

Reported

2023-09-15 12:37

Platform

win10v2004-20230915-en

Max time kernel

149s

Max time network

154s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2aae03be2893a2d742528bbd737b4195d84f6d3663e9eeff8c646c53675d7838_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\2aae03be2893a2d742528bbd737b4195d84f6d3663e9eeff8c646c53675d7838_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
US 8.8.8.8:53 240.151.203.116.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp

Files

memory/4556-0-0x0000000002690000-0x0000000002709000-memory.dmp

memory/4556-1-0x00007FFC4C7B0000-0x00007FFC4C9A5000-memory.dmp

memory/4556-3-0x00007FFC4C7B0000-0x00007FFC4C9A5000-memory.dmp

memory/4556-2-0x0000000002830000-0x000000000293A000-memory.dmp

memory/4556-5-0x0000000002830000-0x000000000293A000-memory.dmp

memory/4556-4-0x0000000002830000-0x000000000293A000-memory.dmp

memory/4556-6-0x0000000002830000-0x000000000293A000-memory.dmp

memory/4556-7-0x0000000002690000-0x0000000002709000-memory.dmp

memory/4556-8-0x00007FFC4C7B0000-0x00007FFC4C9A5000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-15 12:34

Reported

2023-09-15 12:37

Platform

win7-20230831-en

Max time kernel

129s

Max time network

133s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2aae03be2893a2d742528bbd737b4195d84f6d3663e9eeff8c646c53675d7838_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\2aae03be2893a2d742528bbd737b4195d84f6d3663e9eeff8c646c53675d7838_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
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp

Files

memory/3056-0-0x00000000001A0000-0x0000000000219000-memory.dmp

memory/3056-1-0x00000000778F0000-0x0000000077A99000-memory.dmp

memory/3056-2-0x0000000001FD0000-0x00000000020DA000-memory.dmp

memory/3056-5-0x0000000001FD0000-0x00000000020DA000-memory.dmp

memory/3056-4-0x00000000778F0000-0x0000000077A99000-memory.dmp

memory/3056-6-0x0000000001FD0000-0x00000000020DA000-memory.dmp

memory/3056-7-0x00000000001A0000-0x0000000000219000-memory.dmp

memory/3056-8-0x00000000778F0000-0x0000000077A99000-memory.dmp