Malware Analysis Report

2024-10-23 15:36

Sample ID 230914-lgrcxsdg25
Target b8fc2474a801ea4b51df01d869c192cf430d72763758d8ca68cc43e318fdc7a0
SHA256 b8fc2474a801ea4b51df01d869c192cf430d72763758d8ca68cc43e318fdc7a0
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

b8fc2474a801ea4b51df01d869c192cf430d72763758d8ca68cc43e318fdc7a0

Threat Level: Known bad

The file b8fc2474a801ea4b51df01d869c192cf430d72763758d8ca68cc43e318fdc7a0 was found to be: Known bad.

Malicious Activity Summary

bumblebee js1 trojan

BumbleBee

Suspicious use of NtCreateThreadExHideFromDebugger

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-14 09:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-14 09:30

Reported

2023-09-14 09:33

Platform

win7-20230831-en

Max time kernel

121s

Max time network

126s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b8fc2474a801ea4b51df01d869c192cf430d72763758d8ca68cc43e318fdc7a0.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\b8fc2474a801ea4b51df01d869c192cf430d72763758d8ca68cc43e318fdc7a0.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 v5b6ml4o0nq.life udp
DE 116.203.151.240:443 v5b6ml4o0nq.life tcp

Files

memory/2244-0-0x0000000001DF0000-0x0000000001E69000-memory.dmp

memory/2244-1-0x0000000077990000-0x0000000077B39000-memory.dmp

memory/2244-2-0x0000000001F80000-0x000000000208A000-memory.dmp

memory/2244-3-0x0000000077990000-0x0000000077B39000-memory.dmp

memory/2244-5-0x0000000001F80000-0x000000000208A000-memory.dmp

memory/2244-6-0x0000000001F80000-0x000000000208A000-memory.dmp

memory/2244-7-0x0000000001DF0000-0x0000000001E69000-memory.dmp

memory/2244-8-0x0000000077990000-0x0000000077B39000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-14 09:30

Reported

2023-09-14 09:33

Platform

win10v2004-20230831-en

Max time kernel

143s

Max time network

155s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b8fc2474a801ea4b51df01d869c192cf430d72763758d8ca68cc43e318fdc7a0.dll

Signatures

BumbleBee

trojan bumblebee

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeManageVolumePrivilege N/A C:\Windows\System32\svchost.exe N/A

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b8fc2474a801ea4b51df01d869c192cf430d72763758d8ca68cc43e318fdc7a0.dll

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k UnistackSvcGroup

Network

Country Destination Domain Proto
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 254.178.238.8.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.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
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 135.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 254.111.26.67.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 254.21.238.8.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 170.117.168.52.in-addr.arpa udp

Files

memory/4624-0-0x0000000002210000-0x0000000002289000-memory.dmp

memory/4624-1-0x00000000023A0000-0x00000000024AA000-memory.dmp

memory/4624-2-0x00007FF83AE70000-0x00007FF83B065000-memory.dmp

memory/4624-3-0x00000000023A0000-0x00000000024AA000-memory.dmp

memory/4624-4-0x00007FF83AE70000-0x00007FF83B065000-memory.dmp

memory/4624-5-0x00000000023A0000-0x00000000024AA000-memory.dmp

memory/4624-6-0x00007FF83AE70000-0x00007FF83B065000-memory.dmp

memory/4624-7-0x00000000023A0000-0x00000000024AA000-memory.dmp

memory/4624-8-0x0000000002210000-0x0000000002289000-memory.dmp

memory/4624-9-0x00007FF83AE70000-0x00007FF83B065000-memory.dmp

memory/5108-10-0x0000018EE5A40000-0x0000018EE5A50000-memory.dmp

memory/5108-26-0x0000018EE5B40000-0x0000018EE5B50000-memory.dmp

memory/5108-42-0x0000018EEDFA0000-0x0000018EEDFA1000-memory.dmp

memory/5108-43-0x0000018EEDFC0000-0x0000018EEDFC1000-memory.dmp

memory/5108-44-0x0000018EEDFC0000-0x0000018EEDFC1000-memory.dmp

memory/5108-45-0x0000018EEDFC0000-0x0000018EEDFC1000-memory.dmp

memory/5108-46-0x0000018EEDFC0000-0x0000018EEDFC1000-memory.dmp

memory/5108-47-0x0000018EEDFC0000-0x0000018EEDFC1000-memory.dmp

memory/5108-48-0x0000018EEDFC0000-0x0000018EEDFC1000-memory.dmp

memory/5108-49-0x0000018EEDFC0000-0x0000018EEDFC1000-memory.dmp

memory/5108-50-0x0000018EEDFC0000-0x0000018EEDFC1000-memory.dmp

memory/5108-51-0x0000018EEDFC0000-0x0000018EEDFC1000-memory.dmp

memory/5108-52-0x0000018EEDFC0000-0x0000018EEDFC1000-memory.dmp

memory/5108-53-0x0000018EEDD00000-0x0000018EEDD01000-memory.dmp

memory/5108-54-0x0000018EEDCF0000-0x0000018EEDCF1000-memory.dmp

memory/5108-56-0x0000018EEDD00000-0x0000018EEDD01000-memory.dmp

memory/5108-59-0x0000018EEDCF0000-0x0000018EEDCF1000-memory.dmp

memory/5108-62-0x0000018EE53E0000-0x0000018EE53E1000-memory.dmp

memory/5108-74-0x0000018EEDE20000-0x0000018EEDE21000-memory.dmp

memory/5108-76-0x0000018EEDE30000-0x0000018EEDE31000-memory.dmp

memory/5108-77-0x0000018EEDE30000-0x0000018EEDE31000-memory.dmp

memory/5108-78-0x0000018EEDF40000-0x0000018EEDF41000-memory.dmp