betabot | 89dd8d0c8bfa44ae902f86561e85c7b32beee1e018ea35e761d197dadbfc932b

General

Target

CFDI_52154.exe
Size

577KB
MD5

eac081e7b44345046ebaa6eb36ceb3af
SHA1

43396b4f44409794616d160d953ddb608770e68d
SHA256

89dd8d0c8bfa44ae902f86561e85c7b32beee1e018ea35e761d197dadbfc932b
SHA512

ee1a4db51855b4fa3f4015a590371ddd1894ae172d6b27eeba3d96240d38c381530acf7dca8d8865900d918a967e3701b03fc83db71645ced084c58688b99b88

Score

10^/10

persistence trojan backdoor botnet betabot evasion

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

Executes dropped EXE 3 IoCs

Processes:

7cs13q3kg3w77_1.exe3g59u1355u.exew55og1y13115.exe

pid process

2708 7cs13q3kg3w77_1.exe
3868 3g59u1355u.exe
3068 w55og1y13115.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
2708	7cs13q3kg3w77_1.exe
3868	3g59u1355u.exe
3068	w55og1y13115.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\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\\7cs13q3kg3w77.exe\""	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.09 = "C:\\ProgramData\\Google Updater 2.09\\7cs13q3kg3w77.exe"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updater 2.09 = "\"C:\\ProgramData\\Google Updater 2.09\\7cs13q3kg3w77.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
2748	CFDI_52154.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

CFDI_52154.exe7cs13q3kg3w77_1.exe

description	pid	process	target process
PID 3980 set thread context of 2748	3980	CFDI_52154.exe	CFDI_52154.exe
PID 2708 set thread context of 0	2708	7cs13q3kg3w77_1.exe

Drops file in Windows directory 1 IoCs

Processes:

svchost.exe

description ioc process

File opened for modification C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat svchost.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.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-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Internet Explorer\VersionManager	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Internet Explorer\VersionManager\DownloadVersionList = "0"	explorer.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = 8cbd84f7d786d601	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe

NTFS ADS 2 IoCs

Processes:

explorer.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\7cs13q3kg3w77_1.exe:14EDFC78	explorer.exe
File created	C:\Users\Admin\AppData\Local\Temp\7cs13q3kg3w77_1.exe:14EDFC78	explorer.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

explorer.exe

pid	process
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe
3876	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

3g59u1355u.exew55og1y13115.exe

pid process

3868 3g59u1355u.exe
3068 w55og1y13115.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

CFDI_52154.exe

pid process

2748 CFDI_52154.exe
2748 CFDI_52154.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

CFDI_52154.exe

pid process

2748 CFDI_52154.exe

pid	process
3868	3g59u1355u.exe
3068	w55og1y13115.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

Processes:

svchost.exeCFDI_52154.exeexplorer.exe

description	pid	process
Token: SeShutdownPrivilege	4068	svchost.exe
Token: SeCreatePagefilePrivilege	4068	svchost.exe
Token: SeDebugPrivilege	2748	CFDI_52154.exe
Token: SeRestorePrivilege	2748	CFDI_52154.exe
Token: SeBackupPrivilege	2748	CFDI_52154.exe
Token: SeLoadDriverPrivilege	2748	CFDI_52154.exe
Token: SeCreatePagefilePrivilege	2748	CFDI_52154.exe
Token: SeShutdownPrivilege	2748	CFDI_52154.exe
Token: SeTakeOwnershipPrivilege	2748	CFDI_52154.exe
Token: SeChangeNotifyPrivilege	2748	CFDI_52154.exe
Token: SeCreateTokenPrivilege	2748	CFDI_52154.exe
Token: SeMachineAccountPrivilege	2748	CFDI_52154.exe
Token: SeSecurityPrivilege	2748	CFDI_52154.exe
Token: SeAssignPrimaryTokenPrivilege	2748	CFDI_52154.exe
Token: SeCreateGlobalPrivilege	2748	CFDI_52154.exe
Token: 33	2748	CFDI_52154.exe
Token: SeDebugPrivilege	3876	explorer.exe
Token: SeRestorePrivilege	3876	explorer.exe
Token: SeBackupPrivilege	3876	explorer.exe
Token: SeLoadDriverPrivilege	3876	explorer.exe
Token: SeCreatePagefilePrivilege	3876	explorer.exe
Token: SeShutdownPrivilege	3876	explorer.exe
Token: SeTakeOwnershipPrivilege	3876	explorer.exe
Token: SeChangeNotifyPrivilege	3876	explorer.exe
Token: SeCreateTokenPrivilege	3876	explorer.exe
Token: SeMachineAccountPrivilege	3876	explorer.exe
Token: SeSecurityPrivilege	3876	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	3876	explorer.exe
Token: SeCreateGlobalPrivilege	3876	explorer.exe
Token: 33	3876	explorer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

3g59u1355u.exew55og1y13115.exe

pid process

3868 3g59u1355u.exe
3068 w55og1y13115.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

3g59u1355u.exew55og1y13115.exe

pid process

3868 3g59u1355u.exe
3068 w55og1y13115.exe

pid	process
3868	3g59u1355u.exe
3068	w55og1y13115.exe

pid	process
3868	3g59u1355u.exe
3068	w55og1y13115.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

CFDI_52154.exeCFDI_52154.exeexplorer.exe

description	pid	process	target process
PID 3980 wrote to memory of 2748	3980	CFDI_52154.exe	CFDI_52154.exe
PID 3980 wrote to memory of 2748	3980	CFDI_52154.exe	CFDI_52154.exe
PID 3980 wrote to memory of 2748	3980	CFDI_52154.exe	CFDI_52154.exe
PID 3980 wrote to memory of 2748	3980	CFDI_52154.exe	CFDI_52154.exe
PID 3980 wrote to memory of 2748	3980	CFDI_52154.exe	CFDI_52154.exe
PID 2748 wrote to memory of 3876	2748	CFDI_52154.exe	explorer.exe
PID 2748 wrote to memory of 3876	2748	CFDI_52154.exe	explorer.exe
PID 2748 wrote to memory of 3876	2748	CFDI_52154.exe	explorer.exe
PID 3876 wrote to memory of 2708	3876	explorer.exe	7cs13q3kg3w77_1.exe
PID 3876 wrote to memory of 2708	3876	explorer.exe	7cs13q3kg3w77_1.exe
PID 3876 wrote to memory of 2708	3876	explorer.exe	7cs13q3kg3w77_1.exe
PID 3876 wrote to memory of 3868	3876	explorer.exe	3g59u1355u.exe
PID 3876 wrote to memory of 3868	3876	explorer.exe	3g59u1355u.exe
PID 3876 wrote to memory of 3068	3876	explorer.exe	w55og1y13115.exe
PID 3876 wrote to memory of 3068	3876	explorer.exe	w55og1y13115.exe

C:\Users\Admin\AppData\Local\Temp\CFDI_52154.exe
"C:\Users\Admin\AppData\Local\Temp\CFDI_52154.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3980

C:\Users\Admin\AppData\Local\Temp\CFDI_52154.exe
"C:\Users\Admin\AppData\Local\Temp\CFDI_52154.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:2748

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 settings
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3876

C:\Users\Admin\AppData\Local\Temp\7cs13q3kg3w77_1.exe
/suac
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:2708

C:\Users\Admin\AppData\Local\Temp\3g59u1355u.exe
"C:\Users\Admin\AppData\Local\Temp\3g59u1355u.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3868

C:\Users\Admin\AppData\Local\Temp\w55og1y13115.exe
"C:\Users\Admin\AppData\Local\Temp\w55og1y13115.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3068

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:4068

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\3g59u1355u.exe

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C:\Users\Admin\AppData\Local\Temp\3g59u1355u.exe

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C:\Users\Admin\AppData\Local\Temp\7cs13q3kg3w77_1.exe

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C:\Users\Admin\AppData\Local\Temp\7cs13q3kg3w77_1.exe

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C:\Users\Admin\AppData\Local\Temp\w55og1y13115.exe

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C:\Users\Admin\AppData\Local\Temp\w55og1y13115.exe

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memory/2708-8-0x0000000000000000-mapping.dmp

Download
memory/2748-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2748-4-0x0000000002BE0000-0x0000000003020000-memory.dmp

Filesize
4.2MB

Download
memory/2748-3-0x0000000002790000-0x000000000288A000-memory.dmp

Filesize
1000KB

Download
memory/2748-2-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2748-1-0x00000000004015C6-mapping.dmp

Download
memory/3068-15-0x0000000000000000-mapping.dmp

Download
memory/3068-18-0x00007FFAC61A0000-0x00007FFAC6B40000-memory.dmp

Filesize
9.6MB

Download
memory/3868-11-0x0000000000000000-mapping.dmp

Download
memory/3868-14-0x00007FFAC61A0000-0x00007FFAC6B40000-memory.dmp

Filesize
9.6MB

Download
memory/3876-7-0x0000000000860000-0x0000000000CA0000-memory.dmp

Filesize
4.2MB

Download
memory/3876-6-0x0000000000860000-0x0000000000CA0000-memory.dmp

Filesize
4.2MB

Download
memory/3876-5-0x0000000000000000-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