Malware Analysis Report

2024-10-18 23:18

Sample ID 220724-1bn3yahcej
Target 8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d
SHA256 8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d
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

8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d

Threat Level: Known bad

The file 8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d 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

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-07-24 21:28

Signatures

LoaderBot executable

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

Loaderbot family

loaderbot

Analysis: behavioral1

Detonation Overview

Submitted

2022-07-24 21:28

Reported

2022-07-24 21:31

Platform

win7-20220715-en

Max time kernel

151s

Max time network

41s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.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\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe" C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe" C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.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\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1540 wrote to memory of 1524 N/A C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 1540 wrote to memory of 1524 N/A C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 1540 wrote to memory of 1524 N/A C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 1540 wrote to memory of 1524 N/A C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 1524 wrote to memory of 2004 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1524 wrote to memory of 2004 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1524 wrote to memory of 2004 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1524 wrote to memory of 2004 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1708 wrote to memory of 1700 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe
PID 1708 wrote to memory of 1700 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe
PID 1708 wrote to memory of 1700 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe
PID 1708 wrote to memory of 1700 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe
PID 1700 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 1700 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 1700 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 1700 wrote to memory of 1072 N/A C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 1072 wrote to memory of 1896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1072 wrote to memory of 1896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1072 wrote to memory of 1896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1072 wrote to memory of 1896 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe

"C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe"

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.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\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

C:\Windows\system32\taskeng.exe

taskeng.exe {51DDEA60-4743-4E6C-A7C3-2EF379D3520C} S-1-5-21-335065374-4263250628-1829373619-1000:RTYPLWYY\Admin:Interactive:[1]

C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe

C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.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\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

Network

N/A

Files

memory/1540-54-0x0000000000160000-0x000000000016A000-memory.dmp

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

memory/1540-56-0x0000000075661000-0x0000000075663000-memory.dmp

memory/2004-57-0x0000000000000000-mapping.dmp

memory/1700-58-0x0000000000000000-mapping.dmp

memory/1072-59-0x0000000000000000-mapping.dmp

memory/1896-61-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-07-24 21:28

Reported

2022-07-24 21:31

Platform

win10v2004-20220721-en

Max time kernel

152s

Max time network

168s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.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\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe" C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe" C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.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\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3732 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 3732 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 3732 wrote to memory of 4944 N/A C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 4944 wrote to memory of 4188 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 4944 wrote to memory of 4188 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 4944 wrote to memory of 4188 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1780 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 1780 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 1780 wrote to memory of 3472 N/A C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe C:\Windows\SysWOW64\cmd.exe
PID 3472 wrote to memory of 764 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 3472 wrote to memory of 764 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 3472 wrote to memory of 764 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe

"C:\Users\Admin\AppData\Local\Temp\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe"

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.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\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe

C:\Users\Admin\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.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\8b893cde796921deb7a83a618842db19064c9b2ac49e5caf7214eb860118172d.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

Network

Country Destination Domain Proto
NL 87.248.202.1:80 tcp
US 131.253.33.200:443 tcp
US 20.42.73.26:443 tcp
NL 87.248.202.1:80 tcp

Files

memory/3732-130-0x0000000000390000-0x000000000039A000-memory.dmp

memory/4944-131-0x0000000000000000-mapping.dmp

memory/3732-133-0x0000000005100000-0x0000000005166000-memory.dmp

memory/4188-132-0x0000000000000000-mapping.dmp

memory/3472-134-0x0000000000000000-mapping.dmp

memory/764-135-0x0000000000000000-mapping.dmp