betabot | 8f9067f2bd4a374539a40fddb8915600c9fd6ba3e5db20cbddcb3c5f22d9da44

Analysis

max time kernel
31s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
12-04-2024 20:52

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General

Target

oof.exe
Size

662KB
MD5

0760d43d4adebe20fa0b5e5a7bca1714
SHA1

a0a9dae5e9be39bca31021dd9cf565fcdefb8474
SHA256

8f9067f2bd4a374539a40fddb8915600c9fd6ba3e5db20cbddcb3c5f22d9da44
SHA512

7e60c2726711bb8e822375f93cfb9ced7d172f3f0ae07041cbeea8c4cdb45488d1de90ee77dfef52aa86722a5dcbe521d1affeace3aec8811e851f693d74ef77
SSDEEP

12288:9TEUsvsVEcwaFNaxr7IwFnm1p7BmC10sHo0AhHL:9oBvRcxuxrksqRNI0i

Score

10^/10

betabot backdoor botnet evasion persistence trojan

Malware Config

Signatures

BetaBot
Beta Bot is a Trojan that infects computers and disables Antivirus.
trojan backdoor botnet betabot

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0"	explorer.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	explorer.exe

Sets file execution options in registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

oof.exeexplorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\u1u97553911.exe	oof.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\u1u97553911.exe\DisableExceptionChainValidation	oof.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rstrui.exe\Debugger = "prf.exe"	explorer.exe

Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

explorer.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.0 = "C:\\ProgramData\\Google Updater 2.0\\u1u97553911.exe"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updater 2.0 = "\"C:\\ProgramData\\Google Updater 2.0\\u1u97553911.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

oof.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA oof.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

Processes:

oof.exeexplorer.exe

pid process

2104 oof.exe
3148 explorer.exe
3148 explorer.exe
3148 explorer.exe
3148 explorer.exe
3148 explorer.exe
3148 explorer.exe
3148 explorer.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

oof.exe

description pid process target process

PID 3340 set thread context of 2104 3340 oof.exe oof.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2188 3148 WerFault.exe explorer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oof.exe

pid	process
2104	oof.exe
3148	explorer.exe
3148	explorer.exe
3148	explorer.exe
3148	explorer.exe
3148	explorer.exe
3148	explorer.exe
3148	explorer.exe

description	pid	process	target process
PID 3340 set thread context of 2104	3340	oof.exe	oof.exe

pid	pid_target	process	target process
2188	3148	WerFault.exe	explorer.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

taskmgr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

explorer.exeoof.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	oof.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	oof.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

explorer.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS explorer.exe
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer explorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	explorer.exe

Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

explorer.exe

description ioc process

Set value (int) \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

explorer.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Internet Explorer\Main explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-801765966-3955847401-2235691403-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

oof.exeexplorer.exetaskmgr.exe

pid	process
3340	oof.exe
3340	oof.exe
3148	explorer.exe
3148	explorer.exe
3148	explorer.exe
3148	explorer.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe

Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

oof.exeoof.exe

pid process

3340 oof.exe
3340 oof.exe
2104 oof.exe
2104 oof.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

oof.exe

pid process

2104 oof.exe

pid	process
2104	oof.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

Processes:

oof.exeexplorer.exetaskmgr.exe

description	pid	process
Token: SeDebugPrivilege	2104	oof.exe
Token: SeRestorePrivilege	2104	oof.exe
Token: SeBackupPrivilege	2104	oof.exe
Token: SeLoadDriverPrivilege	2104	oof.exe
Token: SeCreatePagefilePrivilege	2104	oof.exe
Token: SeShutdownPrivilege	2104	oof.exe
Token: SeTakeOwnershipPrivilege	2104	oof.exe
Token: SeChangeNotifyPrivilege	2104	oof.exe
Token: SeCreateTokenPrivilege	2104	oof.exe
Token: SeMachineAccountPrivilege	2104	oof.exe
Token: SeSecurityPrivilege	2104	oof.exe
Token: SeAssignPrimaryTokenPrivilege	2104	oof.exe
Token: SeCreateGlobalPrivilege	2104	oof.exe
Token: 33	2104	oof.exe
Token: SeDebugPrivilege	3148	explorer.exe
Token: SeRestorePrivilege	3148	explorer.exe
Token: SeBackupPrivilege	3148	explorer.exe
Token: SeLoadDriverPrivilege	3148	explorer.exe
Token: SeCreatePagefilePrivilege	3148	explorer.exe
Token: SeShutdownPrivilege	3148	explorer.exe
Token: SeTakeOwnershipPrivilege	3148	explorer.exe
Token: SeChangeNotifyPrivilege	3148	explorer.exe
Token: SeCreateTokenPrivilege	3148	explorer.exe
Token: SeMachineAccountPrivilege	3148	explorer.exe
Token: SeSecurityPrivilege	3148	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	3148	explorer.exe
Token: SeCreateGlobalPrivilege	3148	explorer.exe
Token: 33	3148	explorer.exe
Token: SeDebugPrivilege	1652	taskmgr.exe
Token: SeSystemProfilePrivilege	1652	taskmgr.exe
Token: SeCreateGlobalPrivilege	1652	taskmgr.exe

Suspicious use of FindShellTrayWindow 28 IoCs

Processes:

taskmgr.exe

pid	process
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe

Suspicious use of SendNotifyMessage 28 IoCs

Processes:

taskmgr.exe

pid	process
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe
1652	taskmgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

oof.exeoof.exe

description	pid	process	target process
PID 3340 wrote to memory of 2104	3340	oof.exe	oof.exe
PID 3340 wrote to memory of 2104	3340	oof.exe	oof.exe
PID 3340 wrote to memory of 2104	3340	oof.exe	oof.exe
PID 2104 wrote to memory of 3148	2104	oof.exe	explorer.exe
PID 2104 wrote to memory of 3148	2104	oof.exe	explorer.exe
PID 2104 wrote to memory of 3148	2104	oof.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\oof.exe
"C:\Users\Admin\AppData\Local\Temp\oof.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3340

C:\Users\Admin\AppData\Local\Temp\oof.exe
"C:\Users\Admin\AppData\Local\Temp\oof.exe"
2⤵
- Sets file execution options in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3148 -s 1156
4⤵
- Program crash
PID:2188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3148 -ip 3148
1⤵
PID:3296

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1652

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

memory/1652-33-0x000001E29D400000-0x000001E29D401000-memory.dmp

Filesize
4KB

Download
memory/1652-45-0x000001E29D400000-0x000001E29D401000-memory.dmp

Filesize
4KB

Download
memory/1652-44-0x000001E29D400000-0x000001E29D401000-memory.dmp

Filesize
4KB

Download
memory/1652-43-0x000001E29D400000-0x000001E29D401000-memory.dmp

Filesize
4KB

Download
memory/1652-42-0x000001E29D400000-0x000001E29D401000-memory.dmp

Filesize
4KB

Download
memory/1652-41-0x000001E29D400000-0x000001E29D401000-memory.dmp

Filesize
4KB

Download
memory/1652-39-0x000001E29D400000-0x000001E29D401000-memory.dmp

Filesize
4KB

Download
memory/1652-40-0x000001E29D400000-0x000001E29D401000-memory.dmp

Filesize
4KB

Download
memory/1652-35-0x000001E29D400000-0x000001E29D401000-memory.dmp

Filesize
4KB

Download
memory/1652-34-0x000001E29D400000-0x000001E29D401000-memory.dmp

Filesize
4KB

Download
memory/2104-11-0x00000000772D6000-0x00000000772D7000-memory.dmp

Filesize
4KB

Download
memory/2104-9-0x00000000023B0000-0x0000000002416000-memory.dmp

Filesize
408KB

Download
memory/2104-16-0x00000000028B0000-0x00000000028B1000-memory.dmp

Filesize
4KB

Download
memory/2104-17-0x00000000023B0000-0x0000000002416000-memory.dmp

Filesize
408KB

Download
memory/2104-3-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2104-6-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2104-7-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2104-12-0x00000000023B0000-0x0000000002416000-memory.dmp

Filesize
408KB

Download
memory/2104-25-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2104-28-0x00000000028D0000-0x00000000028D1000-memory.dmp

Filesize
4KB

Download
memory/2104-27-0x00000000023B0000-0x0000000002416000-memory.dmp

Filesize
408KB

Download
memory/2104-15-0x00000000023B0000-0x0000000002416000-memory.dmp

Filesize
408KB

Download
memory/2104-10-0x0000000000720000-0x000000000072D000-memory.dmp

Filesize
52KB

Download
memory/2104-13-0x00000000028E0000-0x00000000028EC000-memory.dmp

Filesize
48KB

Download
memory/3148-29-0x0000000004660000-0x0000000004662000-memory.dmp

Filesize
8KB

Download
memory/3148-32-0x0000000000E00000-0x0000000000F0F000-memory.dmp

Filesize
1.1MB

Download
memory/3148-31-0x00000000005E0000-0x0000000000A0C000-memory.dmp

Filesize
4.2MB

Download
memory/3148-24-0x0000000000E00000-0x0000000000F0F000-memory.dmp

Filesize
1.1MB

Download
memory/3148-22-0x0000000000E00000-0x0000000000F0F000-memory.dmp

Filesize
1.1MB

Download
memory/3148-20-0x00000000005E0000-0x0000000000A0D000-memory.dmp

Filesize
4.2MB

Download
memory/3148-18-0x00000000005E0000-0x0000000000A0D000-memory.dmp

Filesize
4.2MB

Download
memory/3340-0-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/3340-2-0x0000000002480000-0x0000000002481000-memory.dmp

Filesize
4KB

Download
memory/3340-1-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads