Malware Analysis Report

2024-11-30 20:00

Sample ID 210520-9rar2t8q6s
Target 1.exe
SHA256 55c12cb22033e12af48c4bb80b660e4ace8ed2364e7147979e30355bab7d5469
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

55c12cb22033e12af48c4bb80b660e4ace8ed2364e7147979e30355bab7d5469

Threat Level: Known bad

The file 1.exe 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

Downloads MZ/PE file

Executes dropped EXE

Loads dropped DLL

Checks BIOS information in registry

Drops desktop.ini file(s)

Checks whether UAC is enabled

Adds Run key to start application

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Modifies Internet Explorer Protected Mode Banner

Enumerates system info in registry

Modifies Internet Explorer Protected Mode

Suspicious use of SetWindowsHookEx

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

NTFS ADS

Modifies Internet Explorer settings

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-05-20 00:31

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-05-20 00:31

Reported

2021-05-20 00:34

Platform

win7v20210410

Max time kernel

148s

Max time network

146s

Command Line

C:\Windows\Explorer.EXE

Signatures

BetaBot

trojan backdoor botnet betabot

Modifies firewall policy service

evasion
Description Indicator Process Target
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
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile C:\Windows\SysWOW64\explorer.exe N/A

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\o1ea9q1cu15q7.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\\y59c5um9gc.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\\y59c5um9gc.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\\y59c5um9gc.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\1.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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1088 set thread context of 1904 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\Temp\1.exe
PID 1072 set thread context of 0 N/A C:\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.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\1.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\1.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\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
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

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

NTFS ADS

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.exe:14EDFC78 C:\Windows\SysWOW64\explorer.exe N/A
File created C:\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.exe:14EDFC78 C:\Windows\SysWOW64\explorer.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\1.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\1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1.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 SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\o1ea9q1cu15q7.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1088 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\Temp\1.exe
PID 1088 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\Temp\1.exe
PID 1088 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\Temp\1.exe
PID 1088 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\Temp\1.exe
PID 1088 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\Temp\1.exe
PID 1088 wrote to memory of 1904 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\Temp\1.exe
PID 1904 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\SysWOW64\explorer.exe
PID 1904 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\SysWOW64\explorer.exe
PID 1904 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\SysWOW64\explorer.exe
PID 1904 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\SysWOW64\explorer.exe
PID 1904 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\SysWOW64\explorer.exe
PID 1904 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\SysWOW64\explorer.exe
PID 1904 wrote to memory of 1828 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Windows\SysWOW64\explorer.exe
PID 1828 wrote to memory of 1232 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1828 wrote to memory of 1232 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1828 wrote to memory of 1232 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1828 wrote to memory of 1232 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1828 wrote to memory of 1232 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1828 wrote to memory of 1232 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1828 wrote to memory of 1264 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1828 wrote to memory of 1264 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1828 wrote to memory of 1264 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1828 wrote to memory of 1264 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1828 wrote to memory of 1264 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1828 wrote to memory of 1264 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1828 wrote to memory of 528 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1828 wrote to memory of 528 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1828 wrote to memory of 528 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1828 wrote to memory of 528 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1828 wrote to memory of 528 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1828 wrote to memory of 528 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\DllHost.exe
PID 1828 wrote to memory of 1072 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.exe
PID 1828 wrote to memory of 1072 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.exe
PID 1828 wrote to memory of 1072 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.exe
PID 1828 wrote to memory of 1072 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.exe
PID 1828 wrote to memory of 1072 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.exe
PID 1828 wrote to memory of 1072 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.exe
PID 1828 wrote to memory of 1072 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.exe
PID 1828 wrote to memory of 668 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\o1ea9q1cu15q7.exe
PID 1828 wrote to memory of 668 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\o1ea9q1cu15q7.exe
PID 1828 wrote to memory of 668 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\o1ea9q1cu15q7.exe
PID 1828 wrote to memory of 668 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\o1ea9q1cu15q7.exe
PID 1828 wrote to memory of 668 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\o1ea9q1cu15q7.exe
PID 1828 wrote to memory of 668 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\o1ea9q1cu15q7.exe
PID 1828 wrote to memory of 668 N/A C:\Windows\SysWOW64\explorer.exe C:\Users\Admin\AppData\Local\Temp\o1ea9q1cu15q7.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\1.exe

"C:\Users\Admin\AppData\Local\Temp\1.exe"

C:\Users\Admin\AppData\Local\Temp\1.exe

"C:\Users\Admin\AppData\Local\Temp\1.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\y59c5um9gc_1.exe

/suac

C:\Users\Admin\AppData\Local\Temp\o1ea9q1cu15q7.exe

"C:\Users\Admin\AppData\Local\Temp\o1ea9q1cu15q7.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 windowsupdate.microsoft.com udp
N/A 52.137.90.34:80 windowsupdate.microsoft.com tcp
N/A 8.8.8.8:53 russk17.icu udp
N/A 8.8.8.8:53 russk17.icu udp
N/A 198.12.112.202:80 russk17.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 russk17.icu udp
N/A 198.12.112.202:80 russk17.icu tcp
N/A 198.12.112.202:80 russk17.icu tcp

Files

memory/1904-59-0x0000000000400000-0x0000000000435000-memory.dmp

memory/1904-60-0x00000000004015C6-mapping.dmp

memory/1904-61-0x00000000753B1000-0x00000000753B3000-memory.dmp

memory/1904-62-0x0000000000400000-0x0000000000435000-memory.dmp

memory/1904-63-0x0000000000230000-0x0000000000296000-memory.dmp

memory/1904-64-0x00000000003E0000-0x00000000003E1000-memory.dmp

memory/1904-66-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

memory/1904-65-0x0000000000440000-0x000000000044D000-memory.dmp

memory/1904-67-0x00000000024E0000-0x00000000024EC000-memory.dmp

memory/1828-68-0x0000000000000000-mapping.dmp

memory/1828-70-0x0000000074B81000-0x0000000074B83000-memory.dmp

memory/1828-71-0x0000000077550000-0x00000000776D0000-memory.dmp

memory/1904-77-0x0000000001EC0000-0x0000000001EC1000-memory.dmp

memory/1828-76-0x0000000000590000-0x000000000059C000-memory.dmp

memory/1828-72-0x0000000000250000-0x0000000000382000-memory.dmp

memory/1828-79-0x0000000000650000-0x0000000000652000-memory.dmp

\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.exe

MD5 a3a799eb1435896baea3a8e079c8dd02
SHA1 cb0ce4c57cd8e4561a88ce20e80888d097b00900
SHA256 55c12cb22033e12af48c4bb80b660e4ace8ed2364e7147979e30355bab7d5469
SHA512 7cf21f437cb33fb2fe03b496309509266db8863650d175072f57b278e96a82b508651cdbc61aa08334858ffe18e251039a3c3d421d97a3749ab21ae16c89a3d9

memory/1072-81-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.exe

MD5 a3a799eb1435896baea3a8e079c8dd02
SHA1 cb0ce4c57cd8e4561a88ce20e80888d097b00900
SHA256 55c12cb22033e12af48c4bb80b660e4ace8ed2364e7147979e30355bab7d5469
SHA512 7cf21f437cb33fb2fe03b496309509266db8863650d175072f57b278e96a82b508651cdbc61aa08334858ffe18e251039a3c3d421d97a3749ab21ae16c89a3d9

C:\Users\Admin\AppData\Local\Temp\y59c5um9gc_1.exe

MD5 a3a799eb1435896baea3a8e079c8dd02
SHA1 cb0ce4c57cd8e4561a88ce20e80888d097b00900
SHA256 55c12cb22033e12af48c4bb80b660e4ace8ed2364e7147979e30355bab7d5469
SHA512 7cf21f437cb33fb2fe03b496309509266db8863650d175072f57b278e96a82b508651cdbc61aa08334858ffe18e251039a3c3d421d97a3749ab21ae16c89a3d9

\Users\Admin\AppData\Local\Temp\o1ea9q1cu15q7.exe

MD5 07f2ddc571ace474d3d7c0e5efd051a2
SHA1 ddb49e4e422c5a7a6e9db9c92776c2531bf10ca8
SHA256 4524311e34beb91833ab812e17dc231724539c892dfeacd24ccdd8c2951a1b8f
SHA512 4d453dfe4d4b642a71917efd75f2f4aebf8d3e964f3be589a643694d633ed5f7934c1a392559a264ba870746da122735dc7999ad4cc40d58f19a60d04e20ae3e

memory/668-85-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\o1ea9q1cu15q7.exe

MD5 07f2ddc571ace474d3d7c0e5efd051a2
SHA1 ddb49e4e422c5a7a6e9db9c92776c2531bf10ca8
SHA256 4524311e34beb91833ab812e17dc231724539c892dfeacd24ccdd8c2951a1b8f
SHA512 4d453dfe4d4b642a71917efd75f2f4aebf8d3e964f3be589a643694d633ed5f7934c1a392559a264ba870746da122735dc7999ad4cc40d58f19a60d04e20ae3e

memory/528-89-0x0000000003A60000-0x0000000003A66000-memory.dmp

memory/1264-90-0x0000000002A50000-0x0000000002A56000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-05-20 00:31

Reported

2021-05-20 00:34

Platform

win10v20210408

Max time kernel

147s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1.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-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.09 = "C:\\ProgramData\\Google Updater 2.09\\11c3151o5q79w.exe" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updater 2.09 = "\"C:\\ProgramData\\Google Updater 2.09\\11c3151o5q79w.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\1.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2988 set thread context of 1252 N/A C:\Users\Admin\AppData\Local\Temp\1.exe C:\Users\Admin\AppData\Local\Temp\1.exe

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\1.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
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\1.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-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\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-1-5-21-1594587808-2047097707-2163810515-1000\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-1-5-21-1594587808-2047097707-2163810515-1000\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
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
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
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
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
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
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
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: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\1.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

Processes

C:\Users\Admin\AppData\Local\Temp\1.exe

"C:\Users\Admin\AppData\Local\Temp\1.exe"

C:\Users\Admin\AppData\Local\Temp\1.exe

"C:\Users\Admin\AppData\Local\Temp\1.exe"

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 microsoft.com udp
N/A 8.8.8.8:53 microsoft.com udp
N/A 8.8.8.8:53 russk18.icu udp
N/A 8.8.8.8:53 russk19.icu udp
N/A 8.8.8.8:53 russk20.icu udp
N/A 8.8.8.8:53 russk21.icu udp
N/A 8.8.8.8:53 moscow13.at udp

Files

memory/1252-114-0x0000000000400000-0x0000000000435000-memory.dmp

memory/1252-115-0x00000000004015C6-mapping.dmp

memory/1252-116-0x0000000000400000-0x0000000000435000-memory.dmp

memory/1252-117-0x0000000002170000-0x00000000021D6000-memory.dmp

memory/1252-118-0x0000000000540000-0x000000000068A000-memory.dmp

memory/1252-119-0x0000000002630000-0x0000000002631000-memory.dmp

memory/1252-120-0x0000000002660000-0x000000000266C000-memory.dmp

memory/496-121-0x0000000000000000-mapping.dmp

memory/496-123-0x0000000002A00000-0x0000000002B32000-memory.dmp

memory/496-124-0x00000000026E0000-0x0000000002703000-memory.dmp

memory/496-125-0x00000000026E0000-0x0000000002703000-memory.dmp

memory/496-126-0x0000000002B40000-0x0000000002C8A000-memory.dmp

memory/1252-127-0x0000000002650000-0x0000000002651000-memory.dmp

memory/496-122-0x00000000002A0000-0x00000000006DF000-memory.dmp

memory/496-129-0x0000000002B40000-0x0000000002C8A000-memory.dmp