betabot | a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd

General

Target

a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Size

256KB
MD5

d40564ee078eb35e8ec2db7fa38c8ce2
SHA1

4906cd24b4ab2e264fabaa921f3b9ac502882854
SHA256

a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd
SHA512

ffccbf624199ab7b3bf364031e33a53259f2fb3bfc7ffe20eaaab327f1d348adf426e9b095af0b9ed36dcbba36147912e6bb585eac9c9adbbe7c01480282328c
SSDEEP

6144:biDVm76YSbgaUkKw0lpKDfeX4RW3Kcy1tGcmfPt:GDVm76YSbgarulpKDeDEOP

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

Modify Existing Service

T1031

Processes:

explorer.exe

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

Sets file execution options in registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exeexplorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\5yw93a75s9omo17.exe	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\5yw93a75s9omo17.exe\DisableExceptionChainValidation	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.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 = "nwktorgzzs.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 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Windows Search 5.3.10 = "C:\\ProgramData\\Windows Search 5.3.10\\5yw93a75s9omo17.exe"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Search 5.3.10 = "\"C:\\ProgramData\\Windows Search 5.3.10\\5yw93a75s9omo17.exe\""	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

description	ioc	process
File created	C:\ProgramData\Windows Search 5.3.10\desktop.ini	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
File opened for modification	C:\ProgramData\Windows Search 5.3.10\desktop.ini	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

Processes:

a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exeexplorer.exe

pid	process
1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
3600	explorer.exe
3600	explorer.exe
3600	explorer.exe
3600	explorer.exe
3600	explorer.exe
3600	explorer.exe
3600	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

description	pid	process	target process
PID 2432 set thread context of 1312	2432	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4256 3600 WerFault.exe explorer.exe

pid	pid_target	process	target process
4256	3600	WerFault.exe	explorer.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:

a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exeexplorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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

Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\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-1-5-21-2629973501-4017243118-3254762364-1000\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-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main explorer.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

explorer.exe

pid process

3600 explorer.exe
3600 explorer.exe
3600 explorer.exe
3600 explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

pid	process
3600	explorer.exe
3600	explorer.exe
3600	explorer.exe
3600	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

pid	process
1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

pid process

1312 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

Processes:

a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: SeRestorePrivilege	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: SeBackupPrivilege	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: SeLoadDriverPrivilege	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: SeCreatePagefilePrivilege	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: SeShutdownPrivilege	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: SeTakeOwnershipPrivilege	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: SeChangeNotifyPrivilege	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: SeCreateTokenPrivilege	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: SeMachineAccountPrivilege	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: SeSecurityPrivilege	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: SeAssignPrimaryTokenPrivilege	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: SeCreateGlobalPrivilege	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: 33	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
Token: SeDebugPrivilege	3600	explorer.exe
Token: SeRestorePrivilege	3600	explorer.exe
Token: SeBackupPrivilege	3600	explorer.exe
Token: SeLoadDriverPrivilege	3600	explorer.exe
Token: SeCreatePagefilePrivilege	3600	explorer.exe
Token: SeShutdownPrivilege	3600	explorer.exe
Token: SeTakeOwnershipPrivilege	3600	explorer.exe
Token: SeChangeNotifyPrivilege	3600	explorer.exe
Token: SeCreateTokenPrivilege	3600	explorer.exe
Token: SeMachineAccountPrivilege	3600	explorer.exe
Token: SeSecurityPrivilege	3600	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	3600	explorer.exe
Token: SeCreateGlobalPrivilege	3600	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

pid process

2432 a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

pid	process
2432	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exea0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe

description	pid	process	target process
PID 2432 wrote to memory of 1312	2432	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
PID 2432 wrote to memory of 1312	2432	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
PID 2432 wrote to memory of 1312	2432	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
PID 2432 wrote to memory of 1312	2432	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
PID 2432 wrote to memory of 1312	2432	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
PID 2432 wrote to memory of 1312	2432	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
PID 2432 wrote to memory of 1312	2432	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
PID 2432 wrote to memory of 1312	2432	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
PID 2432 wrote to memory of 1312	2432	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
PID 2432 wrote to memory of 1312	2432	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
PID 1312 wrote to memory of 3600	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	explorer.exe
PID 1312 wrote to memory of 3600	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	explorer.exe
PID 1312 wrote to memory of 3600	1312	a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
"C:\Users\Admin\AppData\Local\Temp\a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2432

C:\Users\Admin\AppData\Local\Temp\a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe
"C:\Users\Admin\AppData\Local\Temp\a0f5f093c51c5675902bb185daf2a3e2abdbc9d013284ff340708bd1788be3fd.exe"
2⤵
- Sets file execution options in registry
- Checks whether UAC is enabled
- Drops desktop.ini file(s)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1312

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:3600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3600 -s 1152
4⤵
- Program crash
PID:4256

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3600 -ip 3600
1⤵
PID:4576

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

6

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1312-142-0x0000000002290000-0x00000000022F0000-memory.dmp

Filesize
384KB

Download
memory/1312-134-0x0000000000000000-mapping.dmp

Download
memory/1312-137-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1312-138-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1312-139-0x0000000002290000-0x00000000022F0000-memory.dmp

Filesize
384KB

Download
memory/1312-141-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1312-135-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1312-143-0x00000000006F0000-0x00000000006FD000-memory.dmp

Filesize
52KB

Download
memory/1312-148-0x0000000002290000-0x00000000022F0000-memory.dmp

Filesize
384KB

Download
memory/1312-144-0x00000000027A0000-0x00000000027AC000-memory.dmp

Filesize
48KB

Download
memory/3600-145-0x0000000000000000-mapping.dmp

Download
memory/3600-147-0x0000000001270000-0x0000000001314000-memory.dmp

Filesize
656KB

Download
memory/3600-146-0x0000000000940000-0x0000000000D73000-memory.dmp

Filesize
4.2MB

Download
memory/3600-149-0x0000000001270000-0x0000000001314000-memory.dmp

Filesize
656KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads