betabot | 55bf200391c8fba3a4b5dded96e2bde5798aa2dba263067035f2fa09ad32283f

General

Target

55bf200391c8fba3a4b5dded96e2bde5798aa2dba263067035f2fa09ad32283f.exe
Size

849KB
MD5

0f97c0600cb950fe9430023345529356
SHA1

0464e631d06da0bc9a18a4b1b6252c436686914a
SHA256

55bf200391c8fba3a4b5dded96e2bde5798aa2dba263067035f2fa09ad32283f
SHA512

327d97ba76ee59a3ed800fe66bc13627eab90ca5dd0fac4335251b961df38cba976ac308d0933f15bb16ec970accda46faf3687499c51c72f0d771dc421433da

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

Executes dropped EXE 2 IoCs

Processes:

file name.exefile name.exe

pid process

4892 file name.exe
3296 file name.exe

pid	process
4892	file name.exe
3296	file name.exe

Sets file execution options in registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

file name.exeexplorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ay7y1s5goa1939q.exe	file name.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ay7y1s5goa1939q.exe\DisableExceptionChainValidation	file name.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 = "cvjssuszju.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
Set value (str)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Registry Defragmenter = "\"C:\\ProgramData\\Registry Defragmenter\\ay7y1s5goa1939q.exe\""	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Registry Defragmenter = "C:\\ProgramData\\Registry Defragmenter\\ay7y1s5goa1939q.exe"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

file name.exe

description ioc process

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

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

Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs

Processes:

file name.exeexplorer.exe

pid	process
3296	file name.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

file name.exe

description pid process target process

PID 4892 set thread context of 3296 4892 file name.exe file name.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2176 2812 WerFault.exe explorer.exe

description	pid	process	target process
PID 4892 set thread context of 3296	4892	file name.exe	file name.exe

pid	pid_target	process	target process
2176	2812	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:

file name.exeexplorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	file name.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	file name.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	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-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\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-1-5-21-3463845317-933582289-45817732-1000\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-1-5-21-3463845317-933582289-45817732-1000\Software\Microsoft\Internet Explorer\Main explorer.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

explorer.exe

pid process

2812 explorer.exe
2812 explorer.exe
2812 explorer.exe
2812 explorer.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

file name.exe

pid process

3296 file name.exe
3296 file name.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

pid	process
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe
2812	explorer.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

Processes:

file name.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	3296	file name.exe
Token: SeRestorePrivilege	3296	file name.exe
Token: SeBackupPrivilege	3296	file name.exe
Token: SeLoadDriverPrivilege	3296	file name.exe
Token: SeCreatePagefilePrivilege	3296	file name.exe
Token: SeShutdownPrivilege	3296	file name.exe
Token: SeTakeOwnershipPrivilege	3296	file name.exe
Token: SeChangeNotifyPrivilege	3296	file name.exe
Token: SeCreateTokenPrivilege	3296	file name.exe
Token: SeMachineAccountPrivilege	3296	file name.exe
Token: SeSecurityPrivilege	3296	file name.exe
Token: SeAssignPrimaryTokenPrivilege	3296	file name.exe
Token: SeCreateGlobalPrivilege	3296	file name.exe
Token: 33	3296	file name.exe
Token: SeDebugPrivilege	2812	explorer.exe
Token: SeRestorePrivilege	2812	explorer.exe
Token: SeBackupPrivilege	2812	explorer.exe
Token: SeLoadDriverPrivilege	2812	explorer.exe
Token: SeCreatePagefilePrivilege	2812	explorer.exe
Token: SeShutdownPrivilege	2812	explorer.exe
Token: SeTakeOwnershipPrivilege	2812	explorer.exe
Token: SeChangeNotifyPrivilege	2812	explorer.exe
Token: SeCreateTokenPrivilege	2812	explorer.exe
Token: SeMachineAccountPrivilege	2812	explorer.exe
Token: SeSecurityPrivilege	2812	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	2812	explorer.exe
Token: SeCreateGlobalPrivilege	2812	explorer.exe
Token: 33	2812	explorer.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

55bf200391c8fba3a4b5dded96e2bde5798aa2dba263067035f2fa09ad32283f.exefile name.exefile name.exe

description	pid	process	target process
PID 4308 wrote to memory of 4892	4308	55bf200391c8fba3a4b5dded96e2bde5798aa2dba263067035f2fa09ad32283f.exe	file name.exe
PID 4308 wrote to memory of 4892	4308	55bf200391c8fba3a4b5dded96e2bde5798aa2dba263067035f2fa09ad32283f.exe	file name.exe
PID 4308 wrote to memory of 4892	4308	55bf200391c8fba3a4b5dded96e2bde5798aa2dba263067035f2fa09ad32283f.exe	file name.exe
PID 4892 wrote to memory of 3296	4892	file name.exe	file name.exe
PID 4892 wrote to memory of 3296	4892	file name.exe	file name.exe
PID 4892 wrote to memory of 3296	4892	file name.exe	file name.exe
PID 4892 wrote to memory of 3296	4892	file name.exe	file name.exe
PID 4892 wrote to memory of 3296	4892	file name.exe	file name.exe
PID 3296 wrote to memory of 2812	3296	file name.exe	explorer.exe
PID 3296 wrote to memory of 2812	3296	file name.exe	explorer.exe
PID 3296 wrote to memory of 2812	3296	file name.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\55bf200391c8fba3a4b5dded96e2bde5798aa2dba263067035f2fa09ad32283f.exe
"C:\Users\Admin\AppData\Local\Temp\55bf200391c8fba3a4b5dded96e2bde5798aa2dba263067035f2fa09ad32283f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4308

C:\Users\Admin\Documents\folder name\file name.exe
"C:\Users\Admin\Documents\folder name\file name.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4892

C:\Users\Admin\Documents\folder name\file name.exe
"C:\Users\Admin\Documents\folder name\file name.exe"
3⤵
- Executes dropped EXE
- Sets file execution options in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3296

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- 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:2812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 1136
5⤵
- Program crash
PID:2176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 2812 -ip 2812
1⤵
PID:4844

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\Documents\folder name\file name.exe
Filesize
849KB

MD5
0f97c0600cb950fe9430023345529356

SHA1
0464e631d06da0bc9a18a4b1b6252c436686914a

SHA256
55bf200391c8fba3a4b5dded96e2bde5798aa2dba263067035f2fa09ad32283f

SHA512
327d97ba76ee59a3ed800fe66bc13627eab90ca5dd0fac4335251b961df38cba976ac308d0933f15bb16ec970accda46faf3687499c51c72f0d771dc421433da

Download Submit
C:\Users\Admin\Documents\folder name\file name.exe
Filesize
849KB

MD5
0f97c0600cb950fe9430023345529356

SHA1
0464e631d06da0bc9a18a4b1b6252c436686914a

SHA256
55bf200391c8fba3a4b5dded96e2bde5798aa2dba263067035f2fa09ad32283f

SHA512
327d97ba76ee59a3ed800fe66bc13627eab90ca5dd0fac4335251b961df38cba976ac308d0933f15bb16ec970accda46faf3687499c51c72f0d771dc421433da

Download Submit
C:\Users\Admin\Documents\folder name\file name.exe
Filesize
849KB

MD5
0f97c0600cb950fe9430023345529356

SHA1
0464e631d06da0bc9a18a4b1b6252c436686914a

SHA256
55bf200391c8fba3a4b5dded96e2bde5798aa2dba263067035f2fa09ad32283f

SHA512
327d97ba76ee59a3ed800fe66bc13627eab90ca5dd0fac4335251b961df38cba976ac308d0933f15bb16ec970accda46faf3687499c51c72f0d771dc421433da

Download Submit
memory/2812-147-0x0000000000000000-mapping.dmp

Download
memory/2812-154-0x0000000000AF0000-0x0000000000C2D000-memory.dmp

Filesize
1.2MB

Download
memory/2812-153-0x0000000000AF0000-0x0000000000C2D000-memory.dmp

Filesize
1.2MB

Download
memory/2812-152-0x0000000000FF0000-0x0000000000FFD000-memory.dmp

Filesize
52KB

Download
memory/2812-151-0x0000000000AF0000-0x0000000000C2D000-memory.dmp

Filesize
1.2MB

Download
memory/2812-150-0x00000000003B0000-0x00000000007E3000-memory.dmp

Filesize
4.2MB

Download
memory/3296-143-0x0000000002260000-0x00000000022C5000-memory.dmp

Filesize
404KB

Download
memory/3296-145-0x0000000002610000-0x000000000261D000-memory.dmp

Filesize
52KB

Download
memory/3296-146-0x00000000027D0000-0x00000000027DC000-memory.dmp

Filesize
48KB

Download
memory/3296-142-0x0000000002260000-0x00000000022C5000-memory.dmp

Filesize
404KB

Download
memory/3296-148-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3296-149-0x0000000002260000-0x00000000022C5000-memory.dmp

Filesize
404KB

Download
memory/3296-140-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3296-139-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3296-138-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3296-136-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3296-135-0x0000000000000000-mapping.dmp

Download
memory/4892-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads