Malware Analysis Report

2024-10-19 01:06

Sample ID 231013-1g731ade97
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: 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

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

2023-10-13 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 08:34

Platform

win7-20230831-en

Max time kernel

160s

Max time network

174s

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
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 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/2892-0-0x0000000001DD0000-0x0000000001E49000-memory.dmp

memory/2892-1-0x0000000077C40000-0x0000000077DE9000-memory.dmp

memory/2892-2-0x0000000001F60000-0x000000000206A000-memory.dmp

memory/2892-3-0x0000000077C40000-0x0000000077DE9000-memory.dmp

memory/2892-6-0x0000000001F60000-0x000000000206A000-memory.dmp

memory/2892-5-0x0000000077C40000-0x0000000077DE9000-memory.dmp

memory/2892-7-0x0000000001F60000-0x000000000206A000-memory.dmp

memory/2892-8-0x0000000001DD0000-0x0000000001E49000-memory.dmp

memory/2892-9-0x0000000077C40000-0x0000000077DE9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-13 21:38

Reported

2023-10-14 08:34

Platform

win10v2004-20230915-en

Max time kernel

195s

Max time network

211s

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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.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 29.81.57.23.in-addr.arpa udp
US 8.8.8.8:53 254.210.247.8.in-addr.arpa udp
US 8.8.8.8:53 84.18.241.35.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 120.150.79.40.in-addr.arpa udp
US 8.8.8.8:53 v5b6ml4o0nq.life udp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp
US 8.8.8.8:53 38.148.119.40.in-addr.arpa udp
US 35.241.18.84:443 v5b6ml4o0nq.life tcp

Files

memory/2632-0-0x0000000002000000-0x0000000002079000-memory.dmp

memory/2632-1-0x00007FFFDFD30000-0x00007FFFDFF25000-memory.dmp

memory/2632-3-0x00007FFFDFD30000-0x00007FFFDFF25000-memory.dmp

memory/2632-4-0x0000000002200000-0x000000000230A000-memory.dmp

memory/2632-5-0x0000000002200000-0x000000000230A000-memory.dmp

memory/2632-2-0x0000000002200000-0x000000000230A000-memory.dmp

memory/2632-6-0x0000000002200000-0x000000000230A000-memory.dmp

memory/2632-7-0x0000000002000000-0x0000000002079000-memory.dmp

memory/2632-8-0x00007FFFDFD30000-0x00007FFFDFF25000-memory.dmp

memory/2632-9-0x00007FFFDFD30000-0x00007FFFDFF25000-memory.dmp