betabot | 53533c1e66deaaba84275f5d11465423bf957a5bcc51de05492792128381e7d7

General

Target

CFDI_Detalles.exe
Size

649KB
MD5

25c412970140a1a041d28ad8817d605c
SHA1

d7247da0263fe24f2bb3a68703c40579a6eaa1ae
SHA256

53533c1e66deaaba84275f5d11465423bf957a5bcc51de05492792128381e7d7
SHA512

964110a2a91cccc35eaadc9536c88d319fc1e4ee3f7aed685bcb0a03cdfa1cb00b43a8c19ffe273c1d364af86ffdddfd27a40e42fafd8f5de4fef6a3a5dbeb29

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 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 3 IoCs

Processes:

u7o511119kscw3_1.exeqqu95i7i.exe1c9g3a1cwk1551.exe

pid process

2140 u7o511119kscw3_1.exe
2560 qqu95i7i.exe
4004 1c9g3a1cwk1551.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

pid	process
2140	u7o511119kscw3_1.exe
2560	qqu95i7i.exe
4004	1c9g3a1cwk1551.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorer.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
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.09 = "C:\\ProgramData\\Google Updater 2.09\\u7o511119kscw3.exe"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updater 2.09 = "\"C:\\ProgramData\\Google Updater 2.09\\u7o511119kscw3.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\\u7o511119kscw3.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

CFDI_Detalles.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA CFDI_Detalles.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	CFDI_Detalles.exe

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

Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs

Processes:

CFDI_Detalles.exeexplorer.exe

pid	process
4048	CFDI_Detalles.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

CFDI_Detalles.exeu7o511119kscw3_1.exe

description	pid	process	target process
PID 3888 set thread context of 4048	3888	CFDI_Detalles.exe	CFDI_Detalles.exe
PID 2140 set thread context of 0	2140	u7o511119kscw3_1.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.exeCFDI_Detalles.exe

description	ioc	process
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	CFDI_Detalles.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	CFDI_Detalles.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-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\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-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	explorer.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager\DownloadVersionList = "0"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

NTFS ADS 2 IoCs

Processes:

explorer.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\u7o511119kscw3_1.exe:14EDFC78	explorer.exe
File created	C:\Users\Admin\AppData\Local\Temp\u7o511119kscw3_1.exe:14EDFC78	explorer.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

explorer.exe

pid	process
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe
2984	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

qqu95i7i.exe1c9g3a1cwk1551.exe

pid process

2560 qqu95i7i.exe
4004 1c9g3a1cwk1551.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

CFDI_Detalles.exe

pid process

4048 CFDI_Detalles.exe
4048 CFDI_Detalles.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

CFDI_Detalles.exe

pid process

4048 CFDI_Detalles.exe

pid	process
2560	qqu95i7i.exe
4004	1c9g3a1cwk1551.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

Processes:

CFDI_Detalles.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	4048	CFDI_Detalles.exe
Token: SeRestorePrivilege	4048	CFDI_Detalles.exe
Token: SeBackupPrivilege	4048	CFDI_Detalles.exe
Token: SeLoadDriverPrivilege	4048	CFDI_Detalles.exe
Token: SeCreatePagefilePrivilege	4048	CFDI_Detalles.exe
Token: SeShutdownPrivilege	4048	CFDI_Detalles.exe
Token: SeTakeOwnershipPrivilege	4048	CFDI_Detalles.exe
Token: SeChangeNotifyPrivilege	4048	CFDI_Detalles.exe
Token: SeCreateTokenPrivilege	4048	CFDI_Detalles.exe
Token: SeMachineAccountPrivilege	4048	CFDI_Detalles.exe
Token: SeSecurityPrivilege	4048	CFDI_Detalles.exe
Token: SeAssignPrimaryTokenPrivilege	4048	CFDI_Detalles.exe
Token: SeCreateGlobalPrivilege	4048	CFDI_Detalles.exe
Token: 33	4048	CFDI_Detalles.exe
Token: SeDebugPrivilege	2984	explorer.exe
Token: SeRestorePrivilege	2984	explorer.exe
Token: SeBackupPrivilege	2984	explorer.exe
Token: SeLoadDriverPrivilege	2984	explorer.exe
Token: SeCreatePagefilePrivilege	2984	explorer.exe
Token: SeShutdownPrivilege	2984	explorer.exe
Token: SeTakeOwnershipPrivilege	2984	explorer.exe
Token: SeChangeNotifyPrivilege	2984	explorer.exe
Token: SeCreateTokenPrivilege	2984	explorer.exe
Token: SeMachineAccountPrivilege	2984	explorer.exe
Token: SeSecurityPrivilege	2984	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	2984	explorer.exe
Token: SeCreateGlobalPrivilege	2984	explorer.exe
Token: 33	2984	explorer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

qqu95i7i.exe1c9g3a1cwk1551.exe

pid process

2560 qqu95i7i.exe
4004 1c9g3a1cwk1551.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

qqu95i7i.exe1c9g3a1cwk1551.exe

pid process

2560 qqu95i7i.exe
4004 1c9g3a1cwk1551.exe

pid	process
2560	qqu95i7i.exe
4004	1c9g3a1cwk1551.exe

pid	process
2560	qqu95i7i.exe
4004	1c9g3a1cwk1551.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

CFDI_Detalles.exeCFDI_Detalles.exeexplorer.exe

description	pid	process	target process
PID 3888 wrote to memory of 4048	3888	CFDI_Detalles.exe	CFDI_Detalles.exe
PID 3888 wrote to memory of 4048	3888	CFDI_Detalles.exe	CFDI_Detalles.exe
PID 3888 wrote to memory of 4048	3888	CFDI_Detalles.exe	CFDI_Detalles.exe
PID 3888 wrote to memory of 4048	3888	CFDI_Detalles.exe	CFDI_Detalles.exe
PID 3888 wrote to memory of 4048	3888	CFDI_Detalles.exe	CFDI_Detalles.exe
PID 4048 wrote to memory of 2984	4048	CFDI_Detalles.exe	explorer.exe
PID 4048 wrote to memory of 2984	4048	CFDI_Detalles.exe	explorer.exe
PID 4048 wrote to memory of 2984	4048	CFDI_Detalles.exe	explorer.exe
PID 2984 wrote to memory of 2140	2984	explorer.exe	u7o511119kscw3_1.exe
PID 2984 wrote to memory of 2140	2984	explorer.exe	u7o511119kscw3_1.exe
PID 2984 wrote to memory of 2140	2984	explorer.exe	u7o511119kscw3_1.exe
PID 2984 wrote to memory of 2560	2984	explorer.exe	qqu95i7i.exe
PID 2984 wrote to memory of 2560	2984	explorer.exe	qqu95i7i.exe
PID 2984 wrote to memory of 4004	2984	explorer.exe	1c9g3a1cwk1551.exe
PID 2984 wrote to memory of 4004	2984	explorer.exe	1c9g3a1cwk1551.exe

C:\Users\Admin\AppData\Local\Temp\CFDI_Detalles.exe
"C:\Users\Admin\AppData\Local\Temp\CFDI_Detalles.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3888

C:\Users\Admin\AppData\Local\Temp\CFDI_Detalles.exe
"C:\Users\Admin\AppData\Local\Temp\CFDI_Detalles.exe"
2⤵
- 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:4048

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- Modifies firewall policy service
- Checks BIOS information in registry
- 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 Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2984

C:\Users\Admin\AppData\Local\Temp\u7o511119kscw3_1.exe
/suac
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:2140

C:\Users\Admin\AppData\Local\Temp\qqu95i7i.exe
"C:\Users\Admin\AppData\Local\Temp\qqu95i7i.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2560

C:\Users\Admin\AppData\Local\Temp\1c9g3a1cwk1551.exe
"C:\Users\Admin\AppData\Local\Temp\1c9g3a1cwk1551.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4004

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

C:\Users\Admin\AppData\Local\Temp\1c9g3a1cwk1551.exe

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C:\Users\Admin\AppData\Local\Temp\1c9g3a1cwk1551.exe

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C:\Users\Admin\AppData\Local\Temp\qqu95i7i.exe

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C:\Users\Admin\AppData\Local\Temp\qqu95i7i.exe

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C:\Users\Admin\AppData\Local\Temp\u7o511119kscw3_1.exe

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C:\Users\Admin\AppData\Local\Temp\u7o511119kscw3_1.exe

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memory/2140-8-0x0000000000000000-mapping.dmp

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memory/2560-11-0x0000000000000000-mapping.dmp

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memory/2560-14-0x00007FF88C2A0000-0x00007FF88CC40000-memory.dmp

Filesize
9.6MB

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memory/2984-7-0x00000000000B0000-0x00000000004F0000-memory.dmp

Filesize
4.2MB

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memory/2984-6-0x00000000000B0000-0x00000000004F0000-memory.dmp

Filesize
4.2MB

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memory/2984-5-0x0000000000000000-mapping.dmp

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memory/4004-15-0x0000000000000000-mapping.dmp

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memory/4004-18-0x00007FF88C2A0000-0x00007FF88CC40000-memory.dmp

Filesize
9.6MB

Download
memory/4048-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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memory/4048-4-0x0000000002B90000-0x0000000002FD0000-memory.dmp

Filesize
4.2MB

Download
memory/4048-3-0x0000000002740000-0x000000000284C000-memory.dmp

Filesize
1.0MB

Download
memory/4048-2-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4048-1-0x00000000004015C6-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads