Malware Analysis Report

2024-11-30 19:57

Sample ID 220529-y7v51scheq
Target 0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926
SHA256 0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926
Tags
betabot backdoor botnet evasion persistence trojan
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

0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926

Threat Level: Known bad

The file 0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926 was found to be: Known bad.

Malicious Activity Summary

betabot backdoor botnet evasion persistence trojan

Modifies firewall policy service

BetaBot

Sets file execution options in registry

Checks BIOS information in registry

Checks whether UAC is enabled

Adds Run key to start application

Suspicious use of NtSetInformationThreadHideFromDebugger

Program crash

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

Modifies Internet Explorer Protected Mode Banner

Modifies Internet Explorer Protected Mode

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-05-29 20:26

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-05-29 20:26

Reported

2022-05-29 20:30

Platform

win7-20220414-en

Max time kernel

153s

Max time network

231s

Command Line

C:\Windows\Explorer.EXE

Signatures

BetaBot

trojan backdoor botnet betabot

Modifies firewall policy service

evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0" C:\Windows\SysWOW64\explorer.exe N/A

Sets file execution options in registry

persistence

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Windows\SysWOW64\explorer.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Windows Font Preloader Service = "C:\\ProgramData\\Windows Font Preloader Service\\95uki77s3m.exe" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Font Preloader Service = "\"C:\\ProgramData\\Windows Font Preloader Service\\95uki77s3m.exe\"" C:\Windows\SysWOW64\explorer.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\SysWOW64\explorer.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\SysWOW64\explorer.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS C:\Windows\SysWOW64\explorer.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer C:\Windows\SysWOW64\explorer.exe N/A

Modifies Internet Explorer Protected Mode

Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A

Modifies Internet Explorer Protected Mode Banner

Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" C:\Windows\SysWOW64\explorer.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\SysWOW64\explorer.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 808 wrote to memory of 1356 N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe C:\Windows\SysWOW64\explorer.exe
PID 808 wrote to memory of 1356 N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe C:\Windows\SysWOW64\explorer.exe
PID 808 wrote to memory of 1356 N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe C:\Windows\SysWOW64\explorer.exe
PID 808 wrote to memory of 1356 N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe C:\Windows\SysWOW64\explorer.exe
PID 808 wrote to memory of 1356 N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe C:\Windows\SysWOW64\explorer.exe
PID 808 wrote to memory of 1356 N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe C:\Windows\SysWOW64\explorer.exe
PID 808 wrote to memory of 1356 N/A C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe C:\Windows\SysWOW64\explorer.exe
PID 1356 wrote to memory of 1204 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1356 wrote to memory of 1204 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1356 wrote to memory of 1204 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1356 wrote to memory of 1204 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1356 wrote to memory of 1204 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1356 wrote to memory of 1204 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1356 wrote to memory of 1260 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1356 wrote to memory of 1260 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1356 wrote to memory of 1260 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1356 wrote to memory of 1260 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1356 wrote to memory of 1260 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1356 wrote to memory of 1260 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\Dwm.exe

"C:\Windows\system32\Dwm.exe"

C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe

"C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe"

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 windowsupdate.microsoft.com udp
US 20.109.209.108:80 windowsupdate.microsoft.com tcp
US 8.8.8.8:53 lago333.com udp
US 8.8.8.8:53 lago333.club udp
US 8.8.8.8:53 lago333.site udp
US 8.8.8.8:53 lago333.xyz udp

Files

memory/808-54-0x0000000075D21000-0x0000000075D23000-memory.dmp

memory/808-55-0x0000000001DB0000-0x0000000001E43000-memory.dmp

memory/808-56-0x0000000000400000-0x00000000004C4000-memory.dmp

memory/808-58-0x0000000001F10000-0x0000000001F76000-memory.dmp

memory/808-61-0x00000000002F0000-0x00000000002FD000-memory.dmp

memory/808-60-0x0000000001F10000-0x0000000001F76000-memory.dmp

memory/808-62-0x0000000001F90000-0x0000000001F9C000-memory.dmp

memory/1356-63-0x0000000000000000-mapping.dmp

memory/1356-65-0x0000000074641000-0x0000000074643000-memory.dmp

memory/1356-66-0x0000000077100000-0x0000000077280000-memory.dmp

memory/1356-67-0x0000000000110000-0x000000000021B000-memory.dmp

memory/1356-68-0x0000000000910000-0x000000000091C000-memory.dmp

memory/808-69-0x0000000000400000-0x00000000004C4000-memory.dmp

memory/808-70-0x0000000001F10000-0x0000000001F76000-memory.dmp

memory/1260-71-0x0000000002980000-0x0000000002986000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-05-29 20:26

Reported

2022-05-29 20:28

Platform

win10v2004-20220414-en

Max time kernel

90s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe

"C:\Users\Admin\AppData\Local\Temp\0d7e208d5f51c9d44fce8ae423109cc62acbd9fcf391f5f3a64d42e484408926.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1452 -ip 1452

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 264

Network

Country Destination Domain Proto
US 8.253.135.241:80 tcp
US 20.189.173.12:443 tcp
NL 104.110.191.140:80 tcp
NL 104.110.191.140:80 tcp
NL 178.79.208.1:80 tcp

Files

memory/1452-130-0x0000000002310000-0x00000000023A3000-memory.dmp