betabot | fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5

General

Target

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Size

392KB
MD5

0fbecec65bdc3e58a3604c015f24e3d1
SHA1

d4a0b4b628768d2ad970c69c661bcd7f174c76b0
SHA256

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5
SHA512

30397c4aa49b62905db894b2abaf911fda73391af9969e713b5bdc10a78f78591a711c2de2b6a96745ef7ae94e18020dc95c2a6b301633e58893c185949e9df0
SSDEEP

12288:ZQB0GnWtil+1pcuVhbNrSqEw6tXLMRWgG:KVnWtRb/hxrQZMRW7

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
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

Sets file execution options in registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exeexplorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\q75s93g97.exe	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\q75s93g97.exe\DisableExceptionChainValidation	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.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 = "lentrvalmc.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
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\MS Word 2015 = "C:\\ProgramData\\MS Word 2015\\q75s93g97.exe"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MS Word 2015 = "\"C:\\ProgramData\\MS Word 2015\\q75s93g97.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

description	ioc	process
File created	C:\ProgramData\MS Word 2015\desktop.ini	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
File opened for modification	C:\ProgramData\MS Word 2015\desktop.ini	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exeexplorer.exe

pid	process
4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
532	explorer.exe
532	explorer.exe
532	explorer.exe
532	explorer.exe
532	explorer.exe
532	explorer.exe
532	explorer.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

980 532 WerFault.exe explorer.exe

pid	pid_target	process	target process
980	532	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:

explorer.exefefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.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	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\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-1-5-21-929662420-1054238289-2961194603-1000\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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main explorer.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

explorer.exe

pid process

532 explorer.exe
532 explorer.exe
532 explorer.exe
532 explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

pid	process
532	explorer.exe
532	explorer.exe
532	explorer.exe
532	explorer.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

pid	process
4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

pid process

4932 fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeRestorePrivilege	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeBackupPrivilege	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeLoadDriverPrivilege	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeCreatePagefilePrivilege	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeShutdownPrivilege	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeTakeOwnershipPrivilege	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeChangeNotifyPrivilege	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeCreateTokenPrivilege	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeMachineAccountPrivilege	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeSecurityPrivilege	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeAssignPrimaryTokenPrivilege	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeCreateGlobalPrivilege	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: 33	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeDebugPrivilege	532	explorer.exe
Token: SeRestorePrivilege	532	explorer.exe
Token: SeBackupPrivilege	532	explorer.exe
Token: SeLoadDriverPrivilege	532	explorer.exe
Token: SeCreatePagefilePrivilege	532	explorer.exe
Token: SeShutdownPrivilege	532	explorer.exe
Token: SeTakeOwnershipPrivilege	532	explorer.exe
Token: SeChangeNotifyPrivilege	532	explorer.exe
Token: SeCreateTokenPrivilege	532	explorer.exe
Token: SeMachineAccountPrivilege	532	explorer.exe
Token: SeSecurityPrivilege	532	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	532	explorer.exe
Token: SeCreateGlobalPrivilege	532	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

pid process

4932 fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

description	pid	process	target process
PID 4932 wrote to memory of 532	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe	explorer.exe
PID 4932 wrote to memory of 532	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe	explorer.exe
PID 4932 wrote to memory of 532	4932	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
"C:\Users\Admin\AppData\Local\Temp\fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe"
1⤵
- 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 SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4932

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
2⤵
- 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:532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 1068
3⤵
- Program crash
PID:980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 532 -ip 532
1⤵
PID:3092

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/532-145-0x0000000001980000-0x000000000198D000-memory.dmp

Filesize
52KB

Download
memory/532-142-0x0000000000000000-mapping.dmp

Download
memory/532-143-0x0000000000DC0000-0x00000000011F3000-memory.dmp

Filesize
4.2MB

Download
memory/532-144-0x0000000001500000-0x00000000015C6000-memory.dmp

Filesize
792KB

Download
memory/532-148-0x0000000001500000-0x00000000015C6000-memory.dmp

Filesize
792KB

Download
memory/4932-136-0x00000000078A0000-0x0000000007900000-memory.dmp

Filesize
384KB

Download
memory/4932-139-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4932-138-0x00000000078A0000-0x0000000007900000-memory.dmp

Filesize
384KB

Download
memory/4932-140-0x00000000759F0000-0x0000000075B4D000-memory.dmp

Filesize
1.4MB

Download
memory/4932-141-0x0000000005450000-0x000000000545C000-memory.dmp

Filesize
48KB

Download
memory/4932-134-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4932-147-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4932-146-0x00000000078A0000-0x0000000007900000-memory.dmp

Filesize
384KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads