Malware Analysis Report

2024-10-18 23:17

Sample ID 220630-xk2tlsafb9
Target 3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80
SHA256 3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80
Tags
loaderbot loader miner persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80

Threat Level: Known bad

The file 3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80 was found to be: Known bad.

Malicious Activity Summary

loaderbot loader miner persistence

Loaderbot family

LoaderBot

LoaderBot executable

LoaderBot executable

Drops startup file

Adds Run key to start application

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-30 18:55

Signatures

LoaderBot executable

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

Loaderbot family

loaderbot

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-30 18:55

Reported

2022-06-30 19:29

Platform

win7-20220414-en

Max time kernel

7s

Max time network

47s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe"

Signatures

LoaderBot

loader miner loaderbot

LoaderBot executable

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Webhost.url C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe" C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe N/A

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe

"C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe"

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

Network

N/A

Files

memory/1656-54-0x00000000013E0000-0x00000000013EA000-memory.dmp

memory/1656-56-0x0000000075781000-0x0000000075783000-memory.dmp

memory/2024-57-0x0000000000000000-mapping.dmp

memory/1100-55-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-30 18:55

Reported

2022-06-30 19:30

Platform

win10v2004-20220414-en

Max time kernel

15s

Max time network

90s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe"

Signatures

LoaderBot

loader miner loaderbot

LoaderBot executable

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Webhost.url C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe" C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe N/A

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe

"C:\Users\Admin\AppData\Local\Temp\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe"

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /tn \System\SecurityServiceUpdate /tr C:\Users\Admin\AppData\Roaming\Windows\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\3fcf361ce3e433b48fcbaf5a6f3744856771e6c52079b0d38a582671b7c0af80.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

Network

Country Destination Domain Proto
US 67.24.171.254:80 tcp
US 67.24.171.254:80 tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
NL 104.110.191.140:80 tcp
NL 104.110.191.140:80 tcp
NL 13.69.109.130:443 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp

Files

memory/2892-130-0x0000000000060000-0x000000000006A000-memory.dmp

memory/4568-131-0x0000000000000000-mapping.dmp

memory/3004-132-0x0000000000000000-mapping.dmp

memory/2892-133-0x0000000004D80000-0x0000000004DE6000-memory.dmp