Malware Analysis Report

2024-11-13 16:23

Sample ID 220807-red8gabghq
Target 24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
SHA256 24316b3ae1c1bafee76ca8bb33807d37130a58bc6aa19042f06c304af59af615
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

24316b3ae1c1bafee76ca8bb33807d37130a58bc6aa19042f06c304af59af615

Threat Level: Known bad

The file 24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe was found to be: Known bad.

Malicious Activity Summary

betabot backdoor botnet evasion persistence trojan

BetaBot

Modifies firewall policy service

Sets file execution options in registry

Checks BIOS information in registry

Adds Run key to start application

Checks whether UAC is enabled

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Program crash

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

Modifies Internet Explorer Protected Mode Banner

Modifies Internet Explorer settings

Suspicious behavior: RenamesItself

Modifies Internet Explorer Protected Mode

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-08-07 14:06

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-07 14:06

Reported

2022-08-07 14:08

Platform

win7-20220715-en

Max time kernel

150s

Max time network

113s

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
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\c575s9c7.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\c575s9c7.exe\DisableExceptionChainValidation C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "nyrwwrpfp.exe" C:\Windows\SysWOW64\explorer.exe N/A

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\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\CPU Temp Monitor Service = "C:\\ProgramData\\CPU Temp Monitor Service\\c575s9c7.exe" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows\CurrentVersion\Run\CPU Temp Monitor Service = "\"C:\\ProgramData\\CPU Temp Monitor Service\\c575s9c7.exe\"" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\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\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.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\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.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-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\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-1-5-21-335065374-4263250628-1829373619-1000\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-1-5-21-335065374-4263250628-1829373619-1000\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\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.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 1232 wrote to memory of 860 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 1232 wrote to memory of 860 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 1232 wrote to memory of 860 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 1232 wrote to memory of 860 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 1232 wrote to memory of 860 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 1232 wrote to memory of 860 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 1232 wrote to memory of 860 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 1232 wrote to memory of 860 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 1232 wrote to memory of 860 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 1232 wrote to memory of 860 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 1232 wrote to memory of 860 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 860 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Windows\SysWOW64\explorer.exe
PID 860 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Windows\SysWOW64\explorer.exe
PID 860 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Windows\SysWOW64\explorer.exe
PID 860 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Windows\SysWOW64\explorer.exe
PID 860 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Windows\SysWOW64\explorer.exe
PID 860 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Windows\SysWOW64\explorer.exe
PID 860 wrote to memory of 1240 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Windows\SysWOW64\explorer.exe
PID 1240 wrote to memory of 1160 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1240 wrote to memory of 1160 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1240 wrote to memory of 1160 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1240 wrote to memory of 1160 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1240 wrote to memory of 1160 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1240 wrote to memory of 1160 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1240 wrote to memory of 1200 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1240 wrote to memory of 1200 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1240 wrote to memory of 1200 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1240 wrote to memory of 1200 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1240 wrote to memory of 1200 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1240 wrote to memory of 1200 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1240 wrote to memory of 1912 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1240 wrote to memory of 1912 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1240 wrote to memory of 1912 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1240 wrote to memory of 1912 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1240 wrote to memory of 1912 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1240 wrote to memory of 1912 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.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\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe

"C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe"

C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe

"C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.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}

Network

Country Destination Domain Proto
US 8.8.8.8:53 update.microsoft.com udp
US 20.72.235.82:80 update.microsoft.com tcp
US 8.8.8.8:53 pokerforlife.xyz udp
US 8.8.8.8:53 pokertheday.xyz udp
US 8.8.8.8:53 pokertheholeday.xyz udp
US 8.8.8.8:53 eatlunch.top udp
US 8.8.8.8:53 eatlunch.top udp
US 208.91.197.91:80 eatlunch.top tcp

Files

memory/1232-54-0x0000000001020000-0x000000000105C000-memory.dmp

memory/1232-55-0x00000000001F0000-0x00000000001F8000-memory.dmp

memory/860-56-0x0000000000400000-0x0000000000435000-memory.dmp

memory/860-57-0x0000000000400000-0x0000000000435000-memory.dmp

memory/860-59-0x0000000000400000-0x0000000000435000-memory.dmp

memory/860-58-0x0000000000400000-0x0000000000435000-memory.dmp

memory/860-60-0x0000000000400000-0x0000000000435000-memory.dmp

memory/860-62-0x0000000000400000-0x0000000000435000-memory.dmp

memory/860-63-0x0000000000400000-0x0000000000435000-memory.dmp

memory/860-64-0x00000000004015C6-mapping.dmp

memory/860-66-0x0000000000400000-0x0000000000435000-memory.dmp

memory/860-67-0x0000000075A61000-0x0000000075A63000-memory.dmp

memory/860-68-0x0000000000400000-0x0000000000435000-memory.dmp

memory/860-69-0x0000000000400000-0x0000000000435000-memory.dmp

memory/860-70-0x0000000000360000-0x00000000003C6000-memory.dmp

memory/860-71-0x0000000000360000-0x00000000003C6000-memory.dmp

memory/860-73-0x0000000000250000-0x000000000025D000-memory.dmp

memory/860-74-0x0000000000470000-0x000000000047C000-memory.dmp

memory/1240-75-0x0000000000000000-mapping.dmp

memory/1240-77-0x0000000074AD1000-0x0000000074AD3000-memory.dmp

memory/860-78-0x0000000000360000-0x00000000003C6000-memory.dmp

memory/1240-79-0x00000000008B0000-0x00000000008BC000-memory.dmp

memory/1240-80-0x0000000077590000-0x0000000077710000-memory.dmp

memory/1240-81-0x0000000000240000-0x0000000000542000-memory.dmp

memory/1240-82-0x0000000077590000-0x0000000077710000-memory.dmp

memory/1240-83-0x0000000000240000-0x0000000000542000-memory.dmp

memory/1200-84-0x0000000002230000-0x0000000002236000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-07 14:06

Reported

2022-08-07 14:08

Platform

win10v2004-20220721-en

Max time kernel

97s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.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
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "fshrns.exe" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\5995y31ags5g5y.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\5995y31ags5g5y.exe\DisableExceptionChainValidation C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe C:\Windows\SysWOW64\explorer.exe N/A

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-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\CPU Temp Monitor Service = "C:\\ProgramData\\CPU Temp Monitor Service\\5995y31ags5g5y.exe" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CPU Temp Monitor Service = "\"C:\\ProgramData\\CPU Temp Monitor Service\\5995y31ags5g5y.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\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A

Program crash

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

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.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-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\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-1-5-21-2660308776-3705150086-26593515-1000\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-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Internet Explorer\Main C:\Windows\SysWOW64\explorer.exe N/A

Suspicious behavior: EnumeratesProcesses

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
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.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 2172 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 2172 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 2172 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 2172 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 2172 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 2172 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 2172 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 2172 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 2172 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 2172 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe
PID 1448 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Windows\SysWOW64\explorer.exe
PID 1448 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Windows\SysWOW64\explorer.exe
PID 1448 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe C:\Windows\SysWOW64\explorer.exe

Processes

C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe

"C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe"

C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe

"C:\Users\Admin\AppData\Local\Temp\24316B3AE1C1BAFEE76CA8BB33807D37130A58BC6AA19.exe"

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 904 -ip 904

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 1128

Network

Country Destination Domain Proto
US 20.42.65.88:443 tcp
US 8.253.208.112:80 tcp
US 8.253.208.112:80 tcp
US 8.253.208.112:80 tcp

Files

memory/2172-130-0x0000000000640000-0x000000000067C000-memory.dmp

memory/1448-131-0x0000000000000000-mapping.dmp

memory/1448-132-0x0000000000400000-0x0000000000435000-memory.dmp

memory/1448-134-0x0000000000400000-0x0000000000435000-memory.dmp

memory/1448-135-0x0000000000400000-0x0000000000435000-memory.dmp

memory/1448-137-0x0000000002DB0000-0x0000000002E16000-memory.dmp

memory/904-139-0x0000000000000000-mapping.dmp

memory/1448-140-0x0000000002DB0000-0x0000000002E16000-memory.dmp

memory/1448-141-0x0000000003160000-0x000000000316D000-memory.dmp

memory/1448-142-0x0000000003320000-0x000000000332C000-memory.dmp

memory/1448-143-0x0000000000400000-0x0000000000435000-memory.dmp

memory/1448-144-0x0000000002DB0000-0x0000000002E16000-memory.dmp

memory/904-145-0x0000000000110000-0x0000000000543000-memory.dmp

memory/904-146-0x0000000000C00000-0x0000000000F02000-memory.dmp

memory/904-147-0x0000000000C00000-0x0000000000F02000-memory.dmp