betabot | 4aec2461eda1de35cd37c3d182e7d8d7ee6d4ad76c6f9ad3abd70c1fa61aed6f

General

Target

Factura_pdf.exe
Size

651KB
MD5

a9345ccbf5367e9cb23076e0268b6a05
SHA1

16f36de10d18cc7960fdcb2e2a8e02bb30c8033a
SHA256

c2eea0526fcd8596d700eb7001185ac149b232319e8268bce21ccfe4fd1d7500
SHA512

420b3e0542b531586a40ef404c5883957cfe23dc772aa8731ab4f4806754325cfd16670807c059ab0d3e89c1df957e337bc8c5407e32aa5107ca9d93139792f0

Score

10^/10

evasion trojan backdoor botnet betabot persistence

Malware Config

Signatures

BetaBot
Beta Bot is a Trojan that infects computers and disables Antivirus.
trojan backdoor botnet betabot
Modifies Windows Defender Real-time Protection settings 3 TTPs
evasion trojan

Modify Registry
T1112

Modify Existing Service
T1031

Disabling Security Tools
T1089

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\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
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile	explorer.exe

Executes dropped EXE 2 IoCs

Processes:

35w19uws3_1.exeya51ime17k.exe

pid process

1808 35w19uws3_1.exe
1956 ya51ime17k.exe
Sets file execution options in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112
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
Loads dropped DLL 2 IoCs

Processes:

explorer.exe

pid process

1880 explorer.exe
1880 explorer.exe

pid	process
1808	35w19uws3_1.exe
1956	ya51ime17k.exe

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

pid	process
1880	explorer.exe
1880	explorer.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

Factura_pdf.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	Factura_pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	Factura_pdf.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updater 2.09 = "\"C:\\ProgramData\\Google Updater 2.09\\35w19uws3.exe\""	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.09 = "\"C:\\ProgramData\\Google Updater 2.09\\35w19uws3.exe\""	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.09 = "C:\\ProgramData\\Google Updater 2.09\\35w19uws3.exe"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Factura_pdf.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Factura_pdf.exe
Drops desktop.ini file(s) 1 IoCs

Processes:

explorer.exe

description ioc process

File opened for modification C:\ProgramData\Google Updater 2.09\desktop.ini explorer.exe

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

description	ioc	process
File opened for modification	C:\ProgramData\Google Updater 2.09\desktop.ini	explorer.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 11 IoCs

Processes:

Factura_pdf.exeexplorer.exe

pid	process
344	Factura_pdf.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Factura_pdf.exe

description pid process target process

PID 1124 set thread context of 344 1124 Factura_pdf.exe Factura_pdf.exe

description	pid	process	target process
PID 1124 set thread context of 344	1124	Factura_pdf.exe	Factura_pdf.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:

Factura_pdf.exeexplorer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Factura_pdf.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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Factura_pdf.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 settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Internet Explorer\VersionManager	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Internet Explorer\VersionManager\DownloadVersionList = "0"	explorer.exe

NTFS ADS 2 IoCs

Processes:

explorer.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Temp\35w19uws3_1.exe:14EDFC78	explorer.exe
File opened for modification	C:\Users\Admin\AppData\Local\Temp\35w19uws3_1.exe:14EDFC78	explorer.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

powershell.exeexplorer.exe

pid	process
1940	powershell.exe
1940	powershell.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe
1880	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

ya51ime17k.exe

pid process

1956 ya51ime17k.exe
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Factura_pdf.exeexplorer.exe

pid process

344 Factura_pdf.exe
344 Factura_pdf.exe
1880 explorer.exe
1880 explorer.exe
1880 explorer.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

Factura_pdf.exe

pid process

344 Factura_pdf.exe

pid	process
1956	ya51ime17k.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

Processes:

powershell.exeFactura_pdf.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	1940	powershell.exe
Token: SeDebugPrivilege	344	Factura_pdf.exe
Token: SeRestorePrivilege	344	Factura_pdf.exe
Token: SeBackupPrivilege	344	Factura_pdf.exe
Token: SeLoadDriverPrivilege	344	Factura_pdf.exe
Token: SeCreatePagefilePrivilege	344	Factura_pdf.exe
Token: SeShutdownPrivilege	344	Factura_pdf.exe
Token: SeTakeOwnershipPrivilege	344	Factura_pdf.exe
Token: SeChangeNotifyPrivilege	344	Factura_pdf.exe
Token: SeCreateTokenPrivilege	344	Factura_pdf.exe
Token: SeMachineAccountPrivilege	344	Factura_pdf.exe
Token: SeSecurityPrivilege	344	Factura_pdf.exe
Token: SeAssignPrimaryTokenPrivilege	344	Factura_pdf.exe
Token: SeCreateGlobalPrivilege	344	Factura_pdf.exe
Token: 33	344	Factura_pdf.exe
Token: SeDebugPrivilege	1880	explorer.exe
Token: SeRestorePrivilege	1880	explorer.exe
Token: SeBackupPrivilege	1880	explorer.exe
Token: SeLoadDriverPrivilege	1880	explorer.exe
Token: SeCreatePagefilePrivilege	1880	explorer.exe
Token: SeShutdownPrivilege	1880	explorer.exe
Token: SeTakeOwnershipPrivilege	1880	explorer.exe
Token: SeChangeNotifyPrivilege	1880	explorer.exe
Token: SeCreateTokenPrivilege	1880	explorer.exe
Token: SeMachineAccountPrivilege	1880	explorer.exe
Token: SeSecurityPrivilege	1880	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	1880	explorer.exe
Token: SeCreateGlobalPrivilege	1880	explorer.exe
Token: 33	1880	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

ya51ime17k.exe

pid process

1956 ya51ime17k.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ya51ime17k.exe

pid process

1956 ya51ime17k.exe

pid	process
1956	ya51ime17k.exe

pid	process
1956	ya51ime17k.exe

Suspicious use of WriteProcessMemory 50 IoCs

Processes:

Factura_pdf.exeFactura_pdf.exeexplorer.exe

description	pid	process	target process
PID 1124 wrote to memory of 1940	1124	Factura_pdf.exe	powershell.exe
PID 1124 wrote to memory of 1940	1124	Factura_pdf.exe	powershell.exe
PID 1124 wrote to memory of 1940	1124	Factura_pdf.exe	powershell.exe
PID 1124 wrote to memory of 1940	1124	Factura_pdf.exe	powershell.exe
PID 1124 wrote to memory of 344	1124	Factura_pdf.exe	Factura_pdf.exe
PID 1124 wrote to memory of 344	1124	Factura_pdf.exe	Factura_pdf.exe
PID 1124 wrote to memory of 344	1124	Factura_pdf.exe	Factura_pdf.exe
PID 1124 wrote to memory of 344	1124	Factura_pdf.exe	Factura_pdf.exe
PID 1124 wrote to memory of 344	1124	Factura_pdf.exe	Factura_pdf.exe
PID 1124 wrote to memory of 344	1124	Factura_pdf.exe	Factura_pdf.exe
PID 1124 wrote to memory of 344	1124	Factura_pdf.exe	Factura_pdf.exe
PID 1124 wrote to memory of 344	1124	Factura_pdf.exe	Factura_pdf.exe
PID 1124 wrote to memory of 344	1124	Factura_pdf.exe	Factura_pdf.exe
PID 1124 wrote to memory of 344	1124	Factura_pdf.exe	Factura_pdf.exe
PID 1124 wrote to memory of 344	1124	Factura_pdf.exe	Factura_pdf.exe
PID 344 wrote to memory of 1880	344	Factura_pdf.exe	explorer.exe
PID 344 wrote to memory of 1880	344	Factura_pdf.exe	explorer.exe
PID 344 wrote to memory of 1880	344	Factura_pdf.exe	explorer.exe
PID 344 wrote to memory of 1880	344	Factura_pdf.exe	explorer.exe
PID 344 wrote to memory of 1880	344	Factura_pdf.exe	explorer.exe
PID 344 wrote to memory of 1880	344	Factura_pdf.exe	explorer.exe
PID 344 wrote to memory of 1880	344	Factura_pdf.exe	explorer.exe
PID 1880 wrote to memory of 1236	1880	explorer.exe	Dwm.exe
PID 1880 wrote to memory of 1236	1880	explorer.exe	Dwm.exe
PID 1880 wrote to memory of 1236	1880	explorer.exe	Dwm.exe
PID 1880 wrote to memory of 1236	1880	explorer.exe	Dwm.exe
PID 1880 wrote to memory of 1236	1880	explorer.exe	Dwm.exe
PID 1880 wrote to memory of 1236	1880	explorer.exe	Dwm.exe
PID 1880 wrote to memory of 1280	1880	explorer.exe	Explorer.EXE
PID 1880 wrote to memory of 1280	1880	explorer.exe	Explorer.EXE
PID 1880 wrote to memory of 1280	1880	explorer.exe	Explorer.EXE
PID 1880 wrote to memory of 1280	1880	explorer.exe	Explorer.EXE
PID 1880 wrote to memory of 1280	1880	explorer.exe	Explorer.EXE
PID 1880 wrote to memory of 1280	1880	explorer.exe	Explorer.EXE
PID 1880 wrote to memory of 1808	1880	explorer.exe	35w19uws3_1.exe
PID 1880 wrote to memory of 1808	1880	explorer.exe	35w19uws3_1.exe
PID 1880 wrote to memory of 1808	1880	explorer.exe	35w19uws3_1.exe
PID 1880 wrote to memory of 1808	1880	explorer.exe	35w19uws3_1.exe
PID 1880 wrote to memory of 1808	1880	explorer.exe	35w19uws3_1.exe
PID 1880 wrote to memory of 1808	1880	explorer.exe	35w19uws3_1.exe
PID 1880 wrote to memory of 1808	1880	explorer.exe	35w19uws3_1.exe
PID 1880 wrote to memory of 1808	1880	explorer.exe	35w19uws3_1.exe
PID 1880 wrote to memory of 1808	1880	explorer.exe	35w19uws3_1.exe
PID 1880 wrote to memory of 1956	1880	explorer.exe	ya51ime17k.exe
PID 1880 wrote to memory of 1956	1880	explorer.exe	ya51ime17k.exe
PID 1880 wrote to memory of 1956	1880	explorer.exe	ya51ime17k.exe
PID 1880 wrote to memory of 1956	1880	explorer.exe	ya51ime17k.exe
PID 1880 wrote to memory of 1956	1880	explorer.exe	ya51ime17k.exe
PID 1880 wrote to memory of 1956	1880	explorer.exe	ya51ime17k.exe
PID 1880 wrote to memory of 1956	1880	explorer.exe	ya51ime17k.exe

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1236

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1280

C:\Users\Admin\AppData\Local\Temp\Factura_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Factura_pdf.exe"
2⤵
- Windows security modification
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1124

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Get-MpPreference -verbose
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1940

C:\Users\Admin\AppData\Local\Temp\Factura_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Factura_pdf.exe"
3⤵
- 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:344

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies firewall policy service
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer settings
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1880

C:\Users\Admin\AppData\Local\Temp\35w19uws3_1.exe
/suac
5⤵
- Executes dropped EXE
PID:1808

C:\Users\Admin\AppData\Local\Temp\ya51ime17k.exe
"C:\Users\Admin\AppData\Local\Temp\ya51ime17k.exe"
5⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1956

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

2

T1031

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

6

T1112

Disabling Security Tools

2

T1089

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

C:\Users\Admin\AppData\Local\Temp\35w19uws3_1.exe

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C:\Users\Admin\AppData\Local\Temp\35w19uws3_1.exe

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C:\Users\Admin\AppData\Local\Temp\ya51ime17k.exe

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C:\Users\Admin\AppData\Local\Temp\ya51ime17k.exe

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\Users\Admin\AppData\Local\Temp\35w19uws3_1.exe

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\Users\Admin\AppData\Local\Temp\ya51ime17k.exe

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memory/344-46-0x00000000004015C6-mapping.dmp

Download
memory/344-48-0x00000000022E0000-0x00000000023EC000-memory.dmp

Filesize
1.0MB

Download
memory/344-47-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/344-45-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/344-49-0x0000000002D60000-0x0000000002EE1000-memory.dmp

Filesize
1.5MB

Download
memory/1124-6-0x0000000000A90000-0x0000000000AC6000-memory.dmp

Filesize
216KB

Download
memory/1124-5-0x0000000000870000-0x0000000000872000-memory.dmp

Filesize
8KB

Download
memory/1124-0-0x0000000073F00000-0x00000000745EE000-memory.dmp

Filesize
6.9MB

Download
memory/1124-4-0x0000000005530000-0x0000000005582000-memory.dmp

Filesize
328KB

Download
memory/1124-3-0x0000000000240000-0x0000000000250000-memory.dmp

Filesize
64KB

Download
memory/1124-1-0x00000000008A0000-0x00000000008A1000-memory.dmp

Filesize
4KB

Download
memory/1476-53-0x000007FEF62F0000-0x000007FEF656A000-memory.dmp

Filesize
2.5MB

Download
memory/1808-55-0x0000000000000000-mapping.dmp

Download
memory/1808-58-0x0000000072C70000-0x000000007335E000-memory.dmp

Filesize
6.9MB

Download
memory/1808-59-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download
memory/1880-50-0x0000000000000000-mapping.dmp

Download
memory/1880-62-0x00000000044D0000-0x00000000045DC000-memory.dmp

Filesize
1.0MB

Download
memory/1940-10-0x0000000004720000-0x0000000004721000-memory.dmp

Filesize
4KB

Download
memory/1940-15-0x00000000056A0000-0x00000000056A1000-memory.dmp

Filesize
4KB

Download
memory/1940-43-0x0000000006320000-0x0000000006321000-memory.dmp

Filesize
4KB

Download
memory/1940-29-0x00000000055F0000-0x00000000055F1000-memory.dmp

Filesize
4KB

Download
memory/1940-28-0x00000000062B0000-0x00000000062B1000-memory.dmp

Filesize
4KB

Download
memory/1940-21-0x0000000006140000-0x0000000006141000-memory.dmp

Filesize
4KB

Download
memory/1940-20-0x00000000056E0000-0x00000000056E1000-memory.dmp

Filesize
4KB

Download
memory/1940-44-0x0000000006330000-0x0000000006331000-memory.dmp

Filesize
4KB

Download
memory/1940-12-0x0000000005260000-0x0000000005261000-memory.dmp

Filesize
4KB

Download
memory/1940-11-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/1940-9-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

Filesize
4KB

Download
memory/1940-7-0x0000000000000000-mapping.dmp

Download
memory/1940-8-0x0000000073F00000-0x00000000745EE000-memory.dmp

Filesize
6.9MB

Download
memory/1956-67-0x0000000000000000-mapping.dmp

Download
memory/1956-70-0x000007FEF5740000-0x000007FEF60DD000-memory.dmp

Filesize
9.6MB

Download
memory/1956-71-0x000007FEF5740000-0x000007FEF60DD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads