Malware Analysis Report

2024-11-30 20:01

Sample ID 210810-f8rbn6fnyj
Target 73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe
SHA256 73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da
Tags
betabot backdoor botnet evasion persistence suricata 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

73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da

Threat Level: Known bad

The file 73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe was found to be: Known bad.

Malicious Activity Summary

betabot backdoor botnet evasion persistence suricata trojan

suricata: ET MALWARE Win32/Neurevt.A/Betabot Check-in 4

BetaBot

Modifies firewall policy service

Executes dropped EXE

Downloads MZ/PE file

Sets file execution options in registry

Checks BIOS information in registry

Loads dropped DLL

Adds Run key to start application

Drops desktop.ini file(s)

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious behavior: EnumeratesProcesses

Modifies Internet Explorer Protected Mode

Modifies Internet Explorer settings

Suspicious use of FindShellTrayWindow

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

Modifies Internet Explorer Protected Mode Banner

NTFS ADS

Suspicious use of SetWindowsHookEx

Checks processor information in registry

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-08-10 14:06

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-08-10 14:06

Reported

2021-08-10 14:09

Platform

win7v20210410

Max time kernel

149s

Max time network

192s

Command Line

"C:\Windows\system32\Dwm.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\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
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

suricata: ET MALWARE Win32/Neurevt.A/Betabot Check-in 4

suricata

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9uqs7o9uu9_1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\qoym51k3.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

Loads dropped DLL

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

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.09 = "C:\\ProgramData\\Google Updater 2.09\\9uqs7o9uu9.exe" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updater 2.09 = "\"C:\\ProgramData\\Google Updater 2.09\\9uqs7o9uu9.exe\"" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.09 = "\"C:\\ProgramData\\Google Updater 2.09\\9uqs7o9uu9.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\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File opened for modification C:\ProgramData\Google Updater 2.09\desktop.ini C:\Windows\SysWOW64\explorer.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\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\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-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\VersionManager C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\VersionManager\DownloadVersionList = "0" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\SysWOW64\explorer.exe N/A

NTFS ADS

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Local\Temp\9uqs7o9uu9_1.exe:14EDFC78 C:\Windows\SysWOW64\explorer.exe N/A
File created C:\Users\Admin\AppData\Local\Temp\9uqs7o9uu9_1.exe:14EDFC78 C:\Windows\SysWOW64\explorer.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.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 FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1920 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe C:\Windows\SysWOW64\explorer.exe
PID 1920 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe C:\Windows\SysWOW64\explorer.exe
PID 1920 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe C:\Windows\SysWOW64\explorer.exe
PID 1920 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe C:\Windows\SysWOW64\explorer.exe
PID 1920 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe C:\Windows\SysWOW64\explorer.exe
PID 1920 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe C:\Windows\SysWOW64\explorer.exe
PID 1920 wrote to memory of 1708 N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe C:\Windows\SysWOW64\explorer.exe
PID 1708 wrote to memory of 1240 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1708 wrote to memory of 1240 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1708 wrote to memory of 1240 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1708 wrote to memory of 1240 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1708 wrote to memory of 1240 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1708 wrote to memory of 1240 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1708 wrote to memory of 1288 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1708 wrote to memory of 1288 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1708 wrote to memory of 1288 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1708 wrote to memory of 1288 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1708 wrote to memory of 1288 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1708 wrote to memory of 1288 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1708 wrote to memory of 632 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1708 wrote to memory of 632 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1708 wrote to memory of 632 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1708 wrote to memory of 632 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1708 wrote to memory of 632 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1708 wrote to memory of 632 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1708 wrote to memory of 1904 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\9uqs7o9uu9_1.exe
PID 1708 wrote to memory of 1904 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\9uqs7o9uu9_1.exe
PID 1708 wrote to memory of 1904 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\9uqs7o9uu9_1.exe
PID 1708 wrote to memory of 1904 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\9uqs7o9uu9_1.exe
PID 1708 wrote to memory of 1904 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\9uqs7o9uu9_1.exe
PID 1708 wrote to memory of 1904 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\9uqs7o9uu9_1.exe
PID 1708 wrote to memory of 1904 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\9uqs7o9uu9_1.exe
PID 1708 wrote to memory of 1948 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe
PID 1708 wrote to memory of 1948 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe
PID 1708 wrote to memory of 1948 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe
PID 1708 wrote to memory of 1948 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe
PID 1708 wrote to memory of 1948 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe
PID 1708 wrote to memory of 1948 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe
PID 1708 wrote to memory of 1948 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe

Processes

C:\Windows\system32\Dwm.exe

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

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe

"C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe"

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\system32\DllHost.exe

C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}

C:\Users\Admin\AppData\Local\Temp\9uqs7o9uu9_1.exe

/suac

C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe

"C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 google.com udp
N/A 216.58.214.14:80 google.com tcp
N/A 8.8.8.8:53 russk18.icu udp
N/A 8.8.8.8:53 russk18.icu udp
N/A 172.245.159.101:80 russk18.icu tcp
N/A 8.8.8.8:53 morningstarlincoln.co.uk udp
N/A 79.170.44.146:80 morningstarlincoln.co.uk tcp
N/A 8.8.8.8:53 russk18.icu udp
N/A 172.245.159.101:80 russk18.icu tcp
N/A 172.245.159.101:80 russk18.icu tcp

Files

memory/1920-59-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

memory/1920-61-0x0000000000400000-0x000000000331A000-memory.dmp

memory/1920-63-0x0000000000280000-0x0000000000281000-memory.dmp

memory/1920-64-0x00000000002A0000-0x00000000002AD000-memory.dmp

memory/1920-62-0x0000000000360000-0x00000000003C6000-memory.dmp

memory/1920-65-0x00000000003D0000-0x00000000003D1000-memory.dmp

memory/1920-60-0x0000000000230000-0x0000000000263000-memory.dmp

memory/1920-66-0x0000000003420000-0x000000000342C000-memory.dmp

memory/1708-67-0x0000000000000000-mapping.dmp

memory/1708-69-0x00000000746D1000-0x00000000746D3000-memory.dmp

memory/1708-71-0x0000000000690000-0x000000000069C000-memory.dmp

memory/1708-70-0x00000000770A0000-0x0000000077220000-memory.dmp

memory/1708-72-0x0000000000110000-0x00000000001F6000-memory.dmp

memory/1920-73-0x00000000003F0000-0x00000000003F1000-memory.dmp

memory/1708-74-0x0000000000AF0000-0x0000000000AF2000-memory.dmp

\Users\Admin\AppData\Local\Temp\9uqs7o9uu9_1.exe

MD5 69120890e2512fa35d4bcce24f94458e
SHA1 fb5286025a0696365b7092eb08c8c071459d656b
SHA256 73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da
SHA512 142eb54e5ada6d3c67b79edc8170ce4606afa5906ce1aa32341f32c0c765e5404cea769ed712c7eb5f2e68f500340ebf39d0e21c02ca2599c2ccbacab154ea10

memory/1904-76-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\9uqs7o9uu9_1.exe

MD5 69120890e2512fa35d4bcce24f94458e
SHA1 fb5286025a0696365b7092eb08c8c071459d656b
SHA256 73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da
SHA512 142eb54e5ada6d3c67b79edc8170ce4606afa5906ce1aa32341f32c0c765e5404cea769ed712c7eb5f2e68f500340ebf39d0e21c02ca2599c2ccbacab154ea10

\Users\Admin\AppData\Local\Temp\qoym51k3.exe

MD5 5aad89d35ec7e782a1efc68441f98bcc
SHA1 1bc02754a29cf413a2a89b68f89b25df3066847e
SHA256 35617cfc3e8cf02b91d59209fc1cd07c9c1bc4d639309d9ab0198cd60af05d29
SHA512 25490392971c0268d55886827db9f4ac3c35baf0803baf3342c2186c4dfa4de8c891ec30b4afd1d40f900671a841057dd30161306fa8239030d11bc820d68ea7

C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe

MD5 5aad89d35ec7e782a1efc68441f98bcc
SHA1 1bc02754a29cf413a2a89b68f89b25df3066847e
SHA256 35617cfc3e8cf02b91d59209fc1cd07c9c1bc4d639309d9ab0198cd60af05d29
SHA512 25490392971c0268d55886827db9f4ac3c35baf0803baf3342c2186c4dfa4de8c891ec30b4afd1d40f900671a841057dd30161306fa8239030d11bc820d68ea7

memory/1948-79-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\qoym51k3.exe

MD5 5aad89d35ec7e782a1efc68441f98bcc
SHA1 1bc02754a29cf413a2a89b68f89b25df3066847e
SHA256 35617cfc3e8cf02b91d59209fc1cd07c9c1bc4d639309d9ab0198cd60af05d29
SHA512 25490392971c0268d55886827db9f4ac3c35baf0803baf3342c2186c4dfa4de8c891ec30b4afd1d40f900671a841057dd30161306fa8239030d11bc820d68ea7

memory/1948-82-0x0000000000800000-0x0000000000801000-memory.dmp

memory/1948-85-0x000000001AD80000-0x000000001AD82000-memory.dmp

memory/632-84-0x00000000020B0000-0x00000000020B6000-memory.dmp

memory/1948-87-0x000000001AD87000-0x000000001ADA6000-memory.dmp

memory/1948-86-0x000000001AD82000-0x000000001AD83000-memory.dmp

memory/1948-91-0x000000001ADA9000-0x000000001ADAA000-memory.dmp

memory/1948-90-0x000000001ADA8000-0x000000001ADA9000-memory.dmp

memory/1948-89-0x000000001ADA7000-0x000000001ADA8000-memory.dmp

memory/1948-88-0x000000001ADA6000-0x000000001ADA7000-memory.dmp

memory/1948-92-0x000000001ADAA000-0x000000001ADAB000-memory.dmp

memory/1288-93-0x0000000002BE0000-0x0000000002BE6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-08-10 14:06

Reported

2021-08-10 14:09

Platform

win10v20210410

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.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\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
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

suricata: ET MALWARE Win32/Neurevt.A/Betabot Check-in 4

suricata

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\39oouk19_1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\75117137iic.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
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.09 = "\"C:\\ProgramData\\Google Updater 2.09\\39oouk19.exe\"" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.09 = "C:\\ProgramData\\Google Updater 2.09\\39oouk19.exe" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updater 2.09 = "\"C:\\ProgramData\\Google Updater 2.09\\39oouk19.exe\"" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce 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\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A

Drops desktop.ini file(s)

Description Indicator Process Target
File opened for modification C:\ProgramData\Google Updater 2.09\desktop.ini C:\Windows\SysWOW64\explorer.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\SysWOW64\explorer.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 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-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\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-1-5-21-3686645723-710336880-414668232-1000\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-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Internet Explorer\VersionManager\DownloadVersionList = "0" C:\Windows\SysWOW64\explorer.exe N/A

NTFS ADS

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Local\Temp\39oouk19_1.exe:14EDFC78 C:\Windows\SysWOW64\explorer.exe N/A
File created C:\Users\Admin\AppData\Local\Temp\39oouk19_1.exe:14EDFC78 C:\Windows\SysWOW64\explorer.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\75117137iic.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.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 FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\75117137iic.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\75117137iic.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\75117137iic.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe

"C:\Users\Admin\AppData\Local\Temp\73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da.exe"

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Users\Admin\AppData\Local\Temp\39oouk19_1.exe

/suac

C:\Users\Admin\AppData\Local\Temp\75117137iic.exe

"C:\Users\Admin\AppData\Local\Temp\75117137iic.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 update.microsoft.com udp
N/A 52.185.71.28:80 update.microsoft.com tcp
N/A 8.8.8.8:53 russk18.icu udp
N/A 8.8.8.8:53 russk18.icu udp
N/A 172.245.159.101:80 russk18.icu tcp
N/A 8.8.8.8:53 morningstarlincoln.co.uk udp
N/A 79.170.44.146:80 morningstarlincoln.co.uk tcp
N/A 172.245.159.101:80 russk18.icu tcp
N/A 172.245.159.101:80 russk18.icu tcp

Files

memory/512-114-0x0000000003550000-0x0000000003583000-memory.dmp

memory/512-115-0x0000000000400000-0x000000000331A000-memory.dmp

memory/512-116-0x0000000003810000-0x0000000003876000-memory.dmp

memory/512-117-0x0000000003320000-0x000000000346A000-memory.dmp

memory/512-118-0x0000000003880000-0x0000000003881000-memory.dmp

memory/512-119-0x0000000003900000-0x000000000390C000-memory.dmp

memory/1188-120-0x0000000000000000-mapping.dmp

memory/1188-122-0x0000000000A00000-0x0000000000AE6000-memory.dmp

memory/1188-123-0x0000000000CB0000-0x0000000000DE6000-memory.dmp

memory/1188-121-0x0000000001310000-0x000000000174F000-memory.dmp

memory/1188-124-0x0000000000E20000-0x0000000000E21000-memory.dmp

memory/1188-125-0x0000000006520000-0x0000000006522000-memory.dmp

memory/2124-126-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\39oouk19_1.exe

MD5 69120890e2512fa35d4bcce24f94458e
SHA1 fb5286025a0696365b7092eb08c8c071459d656b
SHA256 73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da
SHA512 142eb54e5ada6d3c67b79edc8170ce4606afa5906ce1aa32341f32c0c765e5404cea769ed712c7eb5f2e68f500340ebf39d0e21c02ca2599c2ccbacab154ea10

C:\Users\Admin\AppData\Local\Temp\39oouk19_1.exe

MD5 69120890e2512fa35d4bcce24f94458e
SHA1 fb5286025a0696365b7092eb08c8c071459d656b
SHA256 73e8b8b48a312fb73bf31d822161a4dfda993449cc46a28bce67e11812f0b8da
SHA512 142eb54e5ada6d3c67b79edc8170ce4606afa5906ce1aa32341f32c0c765e5404cea769ed712c7eb5f2e68f500340ebf39d0e21c02ca2599c2ccbacab154ea10

memory/2124-129-0x0000000003320000-0x000000000346A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\75117137iic.exe

MD5 5aad89d35ec7e782a1efc68441f98bcc
SHA1 1bc02754a29cf413a2a89b68f89b25df3066847e
SHA256 35617cfc3e8cf02b91d59209fc1cd07c9c1bc4d639309d9ab0198cd60af05d29
SHA512 25490392971c0268d55886827db9f4ac3c35baf0803baf3342c2186c4dfa4de8c891ec30b4afd1d40f900671a841057dd30161306fa8239030d11bc820d68ea7

C:\Users\Admin\AppData\Local\Temp\75117137iic.exe

MD5 5aad89d35ec7e782a1efc68441f98bcc
SHA1 1bc02754a29cf413a2a89b68f89b25df3066847e
SHA256 35617cfc3e8cf02b91d59209fc1cd07c9c1bc4d639309d9ab0198cd60af05d29
SHA512 25490392971c0268d55886827db9f4ac3c35baf0803baf3342c2186c4dfa4de8c891ec30b4afd1d40f900671a841057dd30161306fa8239030d11bc820d68ea7

memory/3816-130-0x0000000000000000-mapping.dmp

memory/3816-133-0x0000000000960000-0x0000000000961000-memory.dmp

memory/3816-135-0x000000001C190000-0x000000001C192000-memory.dmp

memory/3816-137-0x000000001C194000-0x000000001C195000-memory.dmp

memory/3816-136-0x000000001C192000-0x000000001C194000-memory.dmp

memory/3816-139-0x000000001C197000-0x000000001C199000-memory.dmp

memory/3816-138-0x000000001C195000-0x000000001C197000-memory.dmp

memory/3816-140-0x000000001C199000-0x000000001C19F000-memory.dmp