Malware Analysis Report

2024-10-18 23:17

Sample ID 220707-y32f8safgm
Target 4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf
SHA256 4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf
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

4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf

Threat Level: Known bad

The file 4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf was found to be: Known bad.

Malicious Activity Summary

loaderbot loader miner persistence

Loaderbot family

LoaderBot executable

LoaderBot

LoaderBot executable

Drops startup file

Adds Run key to start application

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-07-07 20:19

Signatures

LoaderBot executable

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

Loaderbot family

loaderbot

Analysis: behavioral1

Detonation Overview

Submitted

2022-07-07 20:19

Reported

2022-07-08 05:53

Platform

win7-20220414-en

Max time kernel

153s

Max time network

43s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.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\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.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\\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe" C:\Users\Admin\AppData\Local\Temp\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.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\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe

"C:\Users\Admin\AppData\Local\Temp\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe"

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.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\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

Network

N/A

Files

memory/872-54-0x0000000000D00000-0x0000000000D0A000-memory.dmp

memory/956-55-0x0000000000000000-mapping.dmp

memory/872-56-0x00000000764C1000-0x00000000764C3000-memory.dmp

memory/1300-57-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-07-07 20:19

Reported

2022-07-08 05:53

Platform

win10v2004-20220414-en

Max time kernel

155s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.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\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe" C:\Users\Admin\AppData\Local\Temp\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.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\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe

"C:\Users\Admin\AppData\Local\Temp\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe"

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.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\4432c7d1d086d97b80d8e83a4c8efcc6759218654ee2f0103a6b99b3d85433cf.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

Network

Country Destination Domain Proto
US 13.89.179.8:443 tcp
US 8.238.111.254:80 tcp
US 13.107.21.200:443 tcp

Files

memory/2676-130-0x0000000000C60000-0x0000000000C6A000-memory.dmp

memory/4312-131-0x0000000000000000-mapping.dmp

memory/4856-132-0x0000000000000000-mapping.dmp

memory/2676-133-0x00000000059B0000-0x0000000005A16000-memory.dmp