Malware Analysis Report

2024-11-13 16:28

Sample ID 220731-z8bcnsghe8
Target 5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9
SHA256 5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9
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

5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9

Threat Level: Known bad

The file 5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9 was found to be: Known bad.

Malicious Activity Summary

betabot backdoor botnet evasion persistence trojan

Modifies firewall policy service

BetaBot

Sets file execution options in registry

Checks BIOS information in registry

Checks whether UAC is enabled

Adds Run key to start application

Suspicious use of NtSetInformationThreadHideFromDebugger

Program crash

Suspicious use of AdjustPrivilegeToken

Modifies Internet Explorer Protected Mode

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Modifies Internet Explorer Protected Mode Banner

Checks processor information in registry

Modifies Internet Explorer settings

Suspicious behavior: RenamesItself

Enumerates system info in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-07-31 21:22

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-07-31 21:22

Reported

2022-07-31 23:54

Platform

win7-20220715-en

Max time kernel

144s

Max time network

145s

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

Sets file execution options in registry

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\9smee5y795.exe C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\9smee5y795.exe\DisableExceptionChainValidation C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.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 = "soomopge.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-1-5-21-3440072777-2118400376-1759599358-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Java Update Controller = "C:\\ProgramData\\Java Update Controller\\9smee5y795.exe" C:\Windows\SysWOW64\explorer.exe N/A
Key created \REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\SysWOW64\explorer.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java Update Controller = "\"C:\\ProgramData\\Java Update Controller\\9smee5y795.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\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.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\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.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-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" C:\Windows\SysWOW64\explorer.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\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-1-5-21-3440072777-2118400376-1759599358-1000\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-1-5-21-3440072777-2118400376-1759599358-1000\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\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Token: SeCreateTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Token: SeMachineAccountPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Token: SeAssignPrimaryTokenPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.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 1896 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe C:\Windows\SysWOW64\explorer.exe
PID 1896 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe C:\Windows\SysWOW64\explorer.exe
PID 1896 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe C:\Windows\SysWOW64\explorer.exe
PID 1896 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe C:\Windows\SysWOW64\explorer.exe
PID 1896 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe C:\Windows\SysWOW64\explorer.exe
PID 1896 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe C:\Windows\SysWOW64\explorer.exe
PID 1896 wrote to memory of 1444 N/A C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe C:\Windows\SysWOW64\explorer.exe
PID 1444 wrote to memory of 1324 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1444 wrote to memory of 1324 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1444 wrote to memory of 1324 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1444 wrote to memory of 1324 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1444 wrote to memory of 1324 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1444 wrote to memory of 1324 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\system32\Dwm.exe
PID 1444 wrote to memory of 1368 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1444 wrote to memory of 1368 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1444 wrote to memory of 1368 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1444 wrote to memory of 1368 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1444 wrote to memory of 1368 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE
PID 1444 wrote to memory of 1368 N/A C:\Windows\SysWOW64\explorer.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\Dwm.exe

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

C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe

"C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe"

C:\Windows\SysWOW64\explorer.exe

C:\Windows\SysWOW64\explorer.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 microsoft.com udp
US 20.112.52.29:80 microsoft.com tcp
US 8.8.8.8:53 elukkige.ru udp
US 8.8.8.8:53 code-6da565a65d.su udp
US 8.8.8.8:53 ajdak-x5d34.su udp
US 8.8.8.8:53 taifiaj65.su udp
US 8.8.8.8:53 novicue45.su udp
US 8.8.8.8:53 toajasd.su udp
US 8.8.8.8:53 sdhajdhadk53.su udp
US 8.8.8.8:53 sfdwruywsdsa3.su udp

Files

memory/1896-54-0x00000000762A1000-0x00000000762A3000-memory.dmp

memory/1896-55-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/1896-56-0x0000000000570000-0x00000000005D6000-memory.dmp

memory/1896-58-0x00000000004C0000-0x0000000000541000-memory.dmp

memory/1896-59-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/1896-60-0x0000000000570000-0x00000000005D6000-memory.dmp

memory/1896-61-0x0000000000550000-0x000000000055D000-memory.dmp

memory/1896-62-0x0000000002730000-0x000000000273C000-memory.dmp

memory/1444-63-0x0000000000000000-mapping.dmp

memory/1444-65-0x00000000752E1000-0x00000000752E3000-memory.dmp

memory/1444-66-0x0000000077DA0000-0x0000000077F20000-memory.dmp

memory/1896-67-0x0000000000570000-0x00000000005D6000-memory.dmp

memory/1444-68-0x0000000000480000-0x0000000000579000-memory.dmp

memory/1444-69-0x00000000006B0000-0x0000000000730000-memory.dmp

memory/1444-70-0x0000000077DA0000-0x0000000077F20000-memory.dmp

memory/1444-71-0x0000000000480000-0x0000000000579000-memory.dmp

memory/1444-72-0x00000000006B0000-0x0000000000730000-memory.dmp

memory/1368-73-0x0000000002250000-0x0000000002256000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-07-31 21:22

Reported

2022-07-31 23:54

Platform

win10v2004-20220721-en

Max time kernel

144s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe

"C:\Users\Admin\AppData\Local\Temp\5e1e415ea5e85b16f3a2b59513e83cab54c040a8a9d2a5a394899e20ad5bfbe9.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 760 -ip 760

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 760 -s 272

Network

Country Destination Domain Proto
NL 104.80.224.57:443 tcp
US 93.184.221.240:80 tcp
US 67.26.215.254:80 tcp
US 8.247.210.254:80 tcp
US 52.152.108.96:443 tcp
NL 92.123.77.35:80 tcp
US 20.189.173.3:443 tcp
US 8.8.8.8:53 164.2.77.40.in-addr.arpa udp
US 8.253.135.120:80 tcp
US 8.8.8.8:53 226.101.242.52.in-addr.arpa udp

Files

memory/760-130-0x00000000022C0000-0x0000000002341000-memory.dmp