Malware Analysis Report

2024-10-18 23:17

Sample ID 220716-3pv5hsfbc9
Target 537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73
SHA256 537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73
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

537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73

Threat Level: Known bad

The file 537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73 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 use of AdjustPrivilegeToken

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-07-16 23:41

Signatures

LoaderBot executable

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

Loaderbot family

loaderbot

Analysis: behavioral1

Detonation Overview

Submitted

2022-07-16 23:41

Reported

2022-07-16 23:47

Platform

win7-20220414-en

Max time kernel

152s

Max time network

45s

Command Line

"C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.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\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.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\\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe" C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe N/A
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\\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe" C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe N/A

Creates scheduled task(s)

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1928 wrote to memory of 1524 N/A C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 1928 wrote to memory of 1524 N/A C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 1928 wrote to memory of 1524 N/A C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 1928 wrote to memory of 1524 N/A C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 1524 wrote to memory of 632 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1524 wrote to memory of 632 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1524 wrote to memory of 632 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1524 wrote to memory of 632 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1540 wrote to memory of 1504 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe
PID 1540 wrote to memory of 1504 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe
PID 1540 wrote to memory of 1504 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe
PID 1540 wrote to memory of 1504 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe
PID 1504 wrote to memory of 776 N/A C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 1504 wrote to memory of 776 N/A C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 1504 wrote to memory of 776 N/A C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 1504 wrote to memory of 776 N/A C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 776 wrote to memory of 1196 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 776 wrote to memory of 1196 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 776 wrote to memory of 1196 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 776 wrote to memory of 1196 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe

"C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe"

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.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\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

C:\Windows\system32\taskeng.exe

taskeng.exe {F95D7C35-9BD8-4D9E-9283-7B1569279670} S-1-5-21-1083475884-596052423-1669053738-1000:WYZSGDWS\Admin:Interactive:[1]

C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe

C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.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\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

Network

N/A

Files

memory/1928-54-0x0000000000040000-0x000000000004A000-memory.dmp

memory/1524-55-0x0000000000000000-mapping.dmp

memory/1928-56-0x0000000075711000-0x0000000075713000-memory.dmp

memory/632-57-0x0000000000000000-mapping.dmp

memory/1504-58-0x0000000000000000-mapping.dmp

memory/776-59-0x0000000000000000-mapping.dmp

memory/1196-61-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-07-16 23:41

Reported

2022-07-16 23:47

Platform

win10v2004-20220414-en

Max time kernel

152s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.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\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe" C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe" C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe N/A

Creates scheduled task(s)

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

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 664 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 664 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 664 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 2792 wrote to memory of 3844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 2792 wrote to memory of 3844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 2792 wrote to memory of 3844 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1516 wrote to memory of 3164 N/A C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 1516 wrote to memory of 3164 N/A C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 1516 wrote to memory of 3164 N/A C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe C:\Windows\SysWOW64\cmd.exe
PID 3164 wrote to memory of 1180 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 3164 wrote to memory of 1180 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 3164 wrote to memory of 1180 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe

"C:\Users\Admin\AppData\Local\Temp\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe"

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.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\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe

C:\Users\Admin\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.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\537f02783a636d66d2d8cb958f6803756b1bc6dbf061a5d8b00b8e0abadb4b73.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

Network

Country Destination Domain Proto
US 20.189.173.6:443 tcp
NL 104.110.191.133:80 tcp

Files

memory/664-130-0x0000000000B30000-0x0000000000B3A000-memory.dmp

memory/2792-131-0x0000000000000000-mapping.dmp

memory/3844-132-0x0000000000000000-mapping.dmp

memory/664-133-0x0000000005870000-0x00000000058D6000-memory.dmp

memory/3164-134-0x0000000000000000-mapping.dmp

memory/1180-135-0x0000000000000000-mapping.dmp