Malware Analysis Report

2024-10-19 01:06

Sample ID 231009-2a2hbagg61
Target LdrAddX64_out_cr70.dll
SHA256 15b7cb2818530bbf0b55ea608d85df1bd97004a8556a358c11f84dbb93b893f7
Tags
bumblebee lg1010 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

15b7cb2818530bbf0b55ea608d85df1bd97004a8556a358c11f84dbb93b893f7

Threat Level: Known bad

The file LdrAddX64_out_cr70.dll was found to be: Known bad.

Malicious Activity Summary

bumblebee lg1010 trojan

BumbleBee

Suspicious use of NtCreateThreadExHideFromDebugger

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-10-09 22:23

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-09 22:23

Reported

2023-10-09 22:26

Platform

win10v2004-20230915-en

Max time kernel

155s

Max time network

152s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\LdrAddX64_out_cr70.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\LdrAddX64_out_cr70.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 54.120.234.20.in-addr.arpa udp
US 8.8.8.8:53 g7qf7ew5c.life udp
DE 128.140.53.189:443 g7qf7ew5c.life tcp
US 8.8.8.8:53 189.53.140.128.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
DE 128.140.53.189:443 g7qf7ew5c.life tcp
DE 128.140.53.189:443 g7qf7ew5c.life tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
DE 128.140.53.189:443 g7qf7ew5c.life tcp
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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
DE 128.140.53.189:443 g7qf7ew5c.life tcp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp

Files

memory/3436-0-0x0000000002C00000-0x0000000002C6F000-memory.dmp

memory/3436-1-0x0000000002DB0000-0x0000000002EBA000-memory.dmp

memory/3436-3-0x00007FF81E9F0000-0x00007FF81EBE5000-memory.dmp

memory/3436-4-0x0000000002DB0000-0x0000000002EBA000-memory.dmp

memory/3436-2-0x0000000002DB0000-0x0000000002EBA000-memory.dmp

memory/3436-5-0x0000000002DB0000-0x0000000002EBA000-memory.dmp

memory/3436-6-0x0000000002C00000-0x0000000002C6F000-memory.dmp

memory/3436-7-0x00007FF81E9F0000-0x00007FF81EBE5000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-09 22:23

Reported

2023-10-09 22:26

Platform

win7-20230831-en

Max time kernel

131s

Max time network

134s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\LdrAddX64_out_cr70.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\LdrAddX64_out_cr70.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 g7qf7ew5c.life udp
DE 128.140.53.189:443 g7qf7ew5c.life tcp
DE 128.140.53.189:443 g7qf7ew5c.life tcp
DE 128.140.53.189:443 g7qf7ew5c.life tcp
DE 128.140.53.189:443 g7qf7ew5c.life tcp
DE 128.140.53.189:443 g7qf7ew5c.life tcp

Files

memory/2200-0-0x0000000000460000-0x00000000004CF000-memory.dmp

memory/2200-1-0x0000000002020000-0x000000000212A000-memory.dmp

memory/2200-3-0x0000000077030000-0x00000000771D9000-memory.dmp

memory/2200-4-0x0000000002020000-0x000000000212A000-memory.dmp

memory/2200-5-0x0000000077030000-0x00000000771D9000-memory.dmp

memory/2200-6-0x0000000077030000-0x00000000771D9000-memory.dmp

memory/2200-7-0x0000000077030000-0x00000000771D9000-memory.dmp

memory/2200-8-0x0000000002020000-0x000000000212A000-memory.dmp

memory/2200-9-0x0000000000460000-0x00000000004CF000-memory.dmp

memory/2200-10-0x0000000077030000-0x00000000771D9000-memory.dmp