betabot | 1d7309700ea91c64a97f1730d686bd577e0d7048f1155a0e102a16fb350c94b4

General

Target

CFDI_52154.exe
Size

577KB
MD5

eac081e7b44345046ebaa6eb36ceb3af
SHA1

43396b4f44409794616d160d953ddb608770e68d
SHA256

89dd8d0c8bfa44ae902f86561e85c7b32beee1e018ea35e761d197dadbfc932b
SHA512

ee1a4db51855b4fa3f4015a590371ddd1894ae172d6b27eeba3d96240d38c381530acf7dca8d8865900d918a967e3701b03fc83db71645ced084c58688b99b88

Score

10^/10

persistence evasion trojan backdoor botnet betabot

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
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
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0"	explorer.exe

Executes dropped EXE 3 IoCs

Processes:

3791k1iq_1.exeky5s9ac1.exeqc1a73au.exe

pid process

1424 3791k1iq_1.exe
1168 ky5s9ac1.exe
1096 qc1a73au.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 3 IoCs

Processes:

explorer.exe

pid process

1656 explorer.exe
1656 explorer.exe
1656 explorer.exe

pid	process
1424	3791k1iq_1.exe
1168	ky5s9ac1.exe
1096	qc1a73au.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-1-5-21-1131729243-447456001-3632642222-1000\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\\3791k1iq.exe"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe
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\\3791k1iq.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\\3791k1iq.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

CFDI_52154.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA CFDI_52154.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_52154.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_52154.exeexplorer.exe

pid	process
1852	CFDI_52154.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

CFDI_52154.exe3791k1iq_1.exe

description	pid	process	target process
PID 112 set thread context of 1852	112	CFDI_52154.exe	CFDI_52154.exe
PID 1424 set thread context of 0	1424	3791k1iq_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:

CFDI_52154.exeexplorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	CFDI_52154.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	CFDI_52154.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 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 opened for modification	C:\Users\Admin\AppData\Local\Temp\3791k1iq_1.exe:14EDFC78	explorer.exe
File created	C:\Users\Admin\AppData\Local\Temp\3791k1iq_1.exe:14EDFC78	explorer.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

explorer.exe

pid	process
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe
1656	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

ky5s9ac1.exeqc1a73au.exe

pid process

1168 ky5s9ac1.exe
1096 qc1a73au.exe
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

CFDI_52154.exeexplorer.exe

pid process

1852 CFDI_52154.exe
1852 CFDI_52154.exe
1656 explorer.exe
1656 explorer.exe
1656 explorer.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

CFDI_52154.exe

pid process

1852 CFDI_52154.exe

pid	process
1168	ky5s9ac1.exe
1096	qc1a73au.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

Processes:

CFDI_52154.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	1852	CFDI_52154.exe
Token: SeRestorePrivilege	1852	CFDI_52154.exe
Token: SeBackupPrivilege	1852	CFDI_52154.exe
Token: SeLoadDriverPrivilege	1852	CFDI_52154.exe
Token: SeCreatePagefilePrivilege	1852	CFDI_52154.exe
Token: SeShutdownPrivilege	1852	CFDI_52154.exe
Token: SeTakeOwnershipPrivilege	1852	CFDI_52154.exe
Token: SeChangeNotifyPrivilege	1852	CFDI_52154.exe
Token: SeCreateTokenPrivilege	1852	CFDI_52154.exe
Token: SeMachineAccountPrivilege	1852	CFDI_52154.exe
Token: SeSecurityPrivilege	1852	CFDI_52154.exe
Token: SeAssignPrimaryTokenPrivilege	1852	CFDI_52154.exe
Token: SeCreateGlobalPrivilege	1852	CFDI_52154.exe
Token: 33	1852	CFDI_52154.exe
Token: SeDebugPrivilege	1656	explorer.exe
Token: SeRestorePrivilege	1656	explorer.exe
Token: SeBackupPrivilege	1656	explorer.exe
Token: SeLoadDriverPrivilege	1656	explorer.exe
Token: SeCreatePagefilePrivilege	1656	explorer.exe
Token: SeShutdownPrivilege	1656	explorer.exe
Token: SeTakeOwnershipPrivilege	1656	explorer.exe
Token: SeChangeNotifyPrivilege	1656	explorer.exe
Token: SeCreateTokenPrivilege	1656	explorer.exe
Token: SeMachineAccountPrivilege	1656	explorer.exe
Token: SeSecurityPrivilege	1656	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	1656	explorer.exe
Token: SeCreateGlobalPrivilege	1656	explorer.exe
Token: 33	1656	explorer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

ky5s9ac1.exeqc1a73au.exe

pid process

1168 ky5s9ac1.exe
1096 qc1a73au.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ky5s9ac1.exeqc1a73au.exe

pid process

1168 ky5s9ac1.exe
1096 qc1a73au.exe

pid	process
1168	ky5s9ac1.exe
1096	qc1a73au.exe

pid	process
1168	ky5s9ac1.exe
1096	qc1a73au.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

CFDI_52154.exeCFDI_52154.exeexplorer.exe

description	pid	process	target process
PID 112 wrote to memory of 1852	112	CFDI_52154.exe	CFDI_52154.exe
PID 112 wrote to memory of 1852	112	CFDI_52154.exe	CFDI_52154.exe
PID 112 wrote to memory of 1852	112	CFDI_52154.exe	CFDI_52154.exe
PID 112 wrote to memory of 1852	112	CFDI_52154.exe	CFDI_52154.exe
PID 112 wrote to memory of 1852	112	CFDI_52154.exe	CFDI_52154.exe
PID 112 wrote to memory of 1852	112	CFDI_52154.exe	CFDI_52154.exe
PID 1852 wrote to memory of 1656	1852	CFDI_52154.exe	explorer.exe
PID 1852 wrote to memory of 1656	1852	CFDI_52154.exe	explorer.exe
PID 1852 wrote to memory of 1656	1852	CFDI_52154.exe	explorer.exe
PID 1852 wrote to memory of 1656	1852	CFDI_52154.exe	explorer.exe
PID 1852 wrote to memory of 1656	1852	CFDI_52154.exe	explorer.exe
PID 1852 wrote to memory of 1656	1852	CFDI_52154.exe	explorer.exe
PID 1852 wrote to memory of 1656	1852	CFDI_52154.exe	explorer.exe
PID 1656 wrote to memory of 1256	1656	explorer.exe	Dwm.exe
PID 1656 wrote to memory of 1256	1656	explorer.exe	Dwm.exe
PID 1656 wrote to memory of 1256	1656	explorer.exe	Dwm.exe
PID 1656 wrote to memory of 1256	1656	explorer.exe	Dwm.exe
PID 1656 wrote to memory of 1256	1656	explorer.exe	Dwm.exe
PID 1656 wrote to memory of 1256	1656	explorer.exe	Dwm.exe
PID 1656 wrote to memory of 1300	1656	explorer.exe	Explorer.EXE
PID 1656 wrote to memory of 1300	1656	explorer.exe	Explorer.EXE
PID 1656 wrote to memory of 1300	1656	explorer.exe	Explorer.EXE
PID 1656 wrote to memory of 1300	1656	explorer.exe	Explorer.EXE
PID 1656 wrote to memory of 1300	1656	explorer.exe	Explorer.EXE
PID 1656 wrote to memory of 1300	1656	explorer.exe	Explorer.EXE
PID 1656 wrote to memory of 1084	1656	explorer.exe	DllHost.exe
PID 1656 wrote to memory of 1084	1656	explorer.exe	DllHost.exe
PID 1656 wrote to memory of 1084	1656	explorer.exe	DllHost.exe
PID 1656 wrote to memory of 1084	1656	explorer.exe	DllHost.exe
PID 1656 wrote to memory of 1084	1656	explorer.exe	DllHost.exe
PID 1656 wrote to memory of 1084	1656	explorer.exe	DllHost.exe
PID 1656 wrote to memory of 1424	1656	explorer.exe	3791k1iq_1.exe
PID 1656 wrote to memory of 1424	1656	explorer.exe	3791k1iq_1.exe
PID 1656 wrote to memory of 1424	1656	explorer.exe	3791k1iq_1.exe
PID 1656 wrote to memory of 1424	1656	explorer.exe	3791k1iq_1.exe
PID 1656 wrote to memory of 1424	1656	explorer.exe	3791k1iq_1.exe
PID 1656 wrote to memory of 1424	1656	explorer.exe	3791k1iq_1.exe
PID 1656 wrote to memory of 1424	1656	explorer.exe	3791k1iq_1.exe
PID 1656 wrote to memory of 1168	1656	explorer.exe	ky5s9ac1.exe
PID 1656 wrote to memory of 1168	1656	explorer.exe	ky5s9ac1.exe
PID 1656 wrote to memory of 1168	1656	explorer.exe	ky5s9ac1.exe
PID 1656 wrote to memory of 1168	1656	explorer.exe	ky5s9ac1.exe
PID 1656 wrote to memory of 1168	1656	explorer.exe	ky5s9ac1.exe
PID 1656 wrote to memory of 1168	1656	explorer.exe	ky5s9ac1.exe
PID 1656 wrote to memory of 1168	1656	explorer.exe	ky5s9ac1.exe
PID 1656 wrote to memory of 1096	1656	explorer.exe	qc1a73au.exe
PID 1656 wrote to memory of 1096	1656	explorer.exe	qc1a73au.exe
PID 1656 wrote to memory of 1096	1656	explorer.exe	qc1a73au.exe
PID 1656 wrote to memory of 1096	1656	explorer.exe	qc1a73au.exe
PID 1656 wrote to memory of 1096	1656	explorer.exe	qc1a73au.exe
PID 1656 wrote to memory of 1096	1656	explorer.exe	qc1a73au.exe
PID 1656 wrote to memory of 1096	1656	explorer.exe	qc1a73au.exe

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1256

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1300

C:\Users\Admin\AppData\Local\Temp\CFDI_52154.exe
"C:\Users\Admin\AppData\Local\Temp\CFDI_52154.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:112

C:\Users\Admin\AppData\Local\Temp\CFDI_52154.exe
"C:\Users\Admin\AppData\Local\Temp\CFDI_52154.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:1852

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:1656

C:\Users\Admin\AppData\Local\Temp\3791k1iq_1.exe
/suac
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:1424

C:\Users\Admin\AppData\Local\Temp\ky5s9ac1.exe
"C:\Users\Admin\AppData\Local\Temp\ky5s9ac1.exe"
5⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1168

C:\Users\Admin\AppData\Local\Temp\qc1a73au.exe
"C:\Users\Admin\AppData\Local\Temp\qc1a73au.exe"
5⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1096

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1084

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

4

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3791k1iq_1.exe

Download Submit
C:\Users\Admin\AppData\Local\Temp\3791k1iq_1.exe

Download Submit
C:\Users\Admin\AppData\Local\Temp\Dbg.txt

Download Submit
C:\Users\Admin\AppData\Local\Temp\Dbg.txt

Download Submit
C:\Users\Admin\AppData\Local\Temp\ky5s9ac1.exe

Download Submit
C:\Users\Admin\AppData\Local\Temp\ky5s9ac1.exe

Download Submit
C:\Users\Admin\AppData\Local\Temp\qc1a73au.exe

Download Submit
C:\Users\Admin\AppData\Local\Temp\qc1a73au.exe

Download Submit
\Users\Admin\AppData\Local\Temp\3791k1iq_1.exe

Download Submit
\Users\Admin\AppData\Local\Temp\ky5s9ac1.exe

Download Submit
\Users\Admin\AppData\Local\Temp\qc1a73au.exe

Download Submit
memory/112-2-0x0000000001E50000-0x0000000001E51000-memory.dmp

Filesize
4KB

Download
memory/1084-7-0x000007FEF7FC0000-0x000007FEF823A000-memory.dmp

Filesize
2.5MB

Download
memory/1096-54-0x0000000000000000-mapping.dmp

Download
memory/1096-58-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/1096-57-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/1168-48-0x0000000000000000-mapping.dmp

Download
memory/1168-51-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/1168-52-0x000007FEF5E50000-0x000007FEF67ED000-memory.dmp

Filesize
9.6MB

Download
memory/1424-14-0x0000000000000000-mapping.dmp

Download
memory/1424-17-0x0000000001E30000-0x0000000001E31000-memory.dmp

Filesize
4KB

Download
memory/1656-8-0x0000000000980000-0x00000000009B5000-memory.dmp

Filesize
212KB

Download
memory/1656-6-0x0000000000000000-mapping.dmp

Download
memory/1852-5-0x00000000029A0000-0x0000000002B21000-memory.dmp

Filesize
1.5MB

Download
memory/1852-4-0x00000000025A0000-0x000000000269A000-memory.dmp

Filesize
1000KB

Download
memory/1852-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1852-3-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1852-1-0x00000000004015C6-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads