Malware Analysis Report

2024-10-18 23:17

Sample ID 220731-kyrjksacfm
Target c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d
SHA256 c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d
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

c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d

Threat Level: Known bad

The file c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d was found to be: Known bad.

Malicious Activity Summary

loaderbot loader miner persistence

LoaderBot

LoaderBot executable

Loaderbot family

LoaderBot executable

Drops startup file

Adds Run key to start application

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-07-31 09:00

Signatures

LoaderBot executable

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

Loaderbot family

loaderbot

Analysis: behavioral1

Detonation Overview

Submitted

2022-07-31 09:00

Reported

2022-07-31 12:25

Platform

win7-20220718-en

Max time kernel

153s

Max time network

165s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.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\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe" C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run\Webhost = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe" C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.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\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1412 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 1412 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 1412 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 1412 wrote to memory of 1544 N/A C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 1544 wrote to memory of 1520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1544 wrote to memory of 1520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1544 wrote to memory of 1520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1544 wrote to memory of 1520 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1528 wrote to memory of 1356 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe
PID 1528 wrote to memory of 1356 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe
PID 1528 wrote to memory of 1356 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe
PID 1528 wrote to memory of 1356 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe
PID 1356 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 1356 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 1356 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 1356 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 1512 wrote to memory of 1588 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1512 wrote to memory of 1588 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1512 wrote to memory of 1588 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1512 wrote to memory of 1588 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe

"C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe"

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.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\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

C:\Windows\system32\taskeng.exe

taskeng.exe {5469654B-1B2D-48E0-BB64-1B4A62A5DFAB} S-1-5-21-4084403625-2215941253-1760665084-1000:LDLTPJLN\Admin:Interactive:[1]

C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe

C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.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\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

Network

Country Destination Domain Proto
US 8.8.8.8:53 iplogger.com udp
US 8.8.8.8:53 user79675.7ci.ru udp
DE 148.251.234.93:443 iplogger.com tcp
DE 148.251.234.93:443 iplogger.com tcp

Files

memory/1412-54-0x0000000000830000-0x000000000083A000-memory.dmp

memory/1544-55-0x0000000000000000-mapping.dmp

memory/1412-56-0x0000000075761000-0x0000000075763000-memory.dmp

memory/1520-57-0x0000000000000000-mapping.dmp

memory/1356-58-0x0000000000000000-mapping.dmp

memory/1512-59-0x0000000000000000-mapping.dmp

memory/1588-61-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-07-31 09:00

Reported

2022-07-31 12:26

Platform

win10v2004-20220721-en

Max time kernel

159s

Max time network

200s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.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\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.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\\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe" C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.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\\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe" C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.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\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2016 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 2016 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 2016 wrote to memory of 2060 N/A C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 2060 wrote to memory of 4340 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 2060 wrote to memory of 4340 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 2060 wrote to memory of 4340 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 4392 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 4392 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 4392 wrote to memory of 1176 N/A C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe C:\Windows\SysWOW64\cmd.exe
PID 1176 wrote to memory of 1832 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1176 wrote to memory of 1832 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe
PID 1176 wrote to memory of 1832 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\schtasks.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe

"C:\Users\Admin\AppData\Local\Temp\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe"

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.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\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe

C:\Users\Admin\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe

C:\Windows\SysWOW64\cmd.exe

"cmd" /C schtasks /create /tn \System\SecurityServiceUpdate /tr %userprofile%\AppData\Roaming\Windows\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.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\c9146e423c92744eb2960112b45bdbd59f2cbd2ac99d388ab1cafd78181f028d.exe /st 00:00 /du 9999:59 /sc daily /ri 5 /f

Network

Country Destination Domain Proto
NL 87.248.202.1:80 tcp
NL 87.248.202.1:80 tcp
US 93.184.220.29:80 tcp
NL 87.248.202.1:80 tcp
US 20.42.65.89:443 tcp
US 8.238.21.126:80 tcp
US 8.8.8.8:53 iplogger.com udp
US 8.8.8.8:53 user79675.7ci.ru udp
DE 148.251.234.93:443 iplogger.com tcp
US 131.253.33.200:443 tcp
US 52.109.8.19:443 tcp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp
US 8.8.8.8:53 user79675.7ci.ru udp

Files

memory/2016-130-0x00000000000A0000-0x00000000000AA000-memory.dmp

memory/2060-131-0x0000000000000000-mapping.dmp

memory/2016-132-0x0000000004DF0000-0x0000000004E56000-memory.dmp

memory/4340-133-0x0000000000000000-mapping.dmp

memory/1176-134-0x0000000000000000-mapping.dmp

memory/1832-135-0x0000000000000000-mapping.dmp