betabot | bfef5eb79a8b5694698623d9263cda2000bf1e205246d6030ad06bf20e7a8d51

General

Target

b383c6c6c1755994e049ba277cf75bc0.exe
Size

300KB
MD5

b383c6c6c1755994e049ba277cf75bc0
SHA1

37b896c4c6aeb6ea834b2ed34ad834cab6bbd7d6
SHA256

bfef5eb79a8b5694698623d9263cda2000bf1e205246d6030ad06bf20e7a8d51
SHA512

702e5f3edd0f5ab03556fa1624c721c0cbd784fca460ec3ea77993ff3f447b9ba71c74ebfb8dcc03e7e05bec5704f201e06722e5359ed07ae11338de2100941d
SSDEEP

6144:K77777777777777777DO+ZtU7eUqgOt9V5lZYMzdRbdD4eW1sZAc/PyAVcXVxc:svU7C5lZYMzdfD9VByAVcnc

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
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

Sets file execution options in registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b383c6c6c1755994e049ba277cf75bc0.exeexplorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\73g759g9ae3k5.exe	b383c6c6c1755994e049ba277cf75bc0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\73g759g9ae3k5.exe\DisableExceptionChainValidation	b383c6c6c1755994e049ba277cf75bc0.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 = "vvr.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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\WinLoaderModule = "C:\\ProgramData\\WinLoaderModule\\73g759g9ae3k5.exe"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinLoaderModule = "\"C:\\ProgramData\\WinLoaderModule\\73g759g9ae3k5.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

b383c6c6c1755994e049ba277cf75bc0.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b383c6c6c1755994e049ba277cf75bc0.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs

Processes:

b383c6c6c1755994e049ba277cf75bc0.exeexplorer.exe

pid	process
4944	b383c6c6c1755994e049ba277cf75bc0.exe
1344	explorer.exe
1344	explorer.exe
1344	explorer.exe
1344	explorer.exe
1344	explorer.exe
1344	explorer.exe
1344	explorer.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4592 1344 WerFault.exe explorer.exe

pid	pid_target	process	target process
4592	1344	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:

b383c6c6c1755994e049ba277cf75bc0.exeexplorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b383c6c6c1755994e049ba277cf75bc0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b383c6c6c1755994e049ba277cf75bc0.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 Protected Mode 1 TTPs 4 IoCs

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\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-1-5-21-2891029575-1462575-1165213807-1000\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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main explorer.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

explorer.exe

pid process

1344 explorer.exe
1344 explorer.exe
1344 explorer.exe
1344 explorer.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

b383c6c6c1755994e049ba277cf75bc0.exe

pid process

4944 b383c6c6c1755994e049ba277cf75bc0.exe
4944 b383c6c6c1755994e049ba277cf75bc0.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

b383c6c6c1755994e049ba277cf75bc0.exe

pid process

4944 b383c6c6c1755994e049ba277cf75bc0.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

pid	process
1344	explorer.exe
1344	explorer.exe
1344	explorer.exe
1344	explorer.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

Processes:

b383c6c6c1755994e049ba277cf75bc0.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: SeRestorePrivilege	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: SeBackupPrivilege	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: SeLoadDriverPrivilege	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: SeCreatePagefilePrivilege	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: SeShutdownPrivilege	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: SeTakeOwnershipPrivilege	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: SeChangeNotifyPrivilege	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: SeCreateTokenPrivilege	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: SeMachineAccountPrivilege	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: SeSecurityPrivilege	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: SeAssignPrimaryTokenPrivilege	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: SeCreateGlobalPrivilege	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: 33	4944	b383c6c6c1755994e049ba277cf75bc0.exe
Token: SeDebugPrivilege	1344	explorer.exe
Token: SeRestorePrivilege	1344	explorer.exe
Token: SeBackupPrivilege	1344	explorer.exe
Token: SeLoadDriverPrivilege	1344	explorer.exe
Token: SeCreatePagefilePrivilege	1344	explorer.exe
Token: SeShutdownPrivilege	1344	explorer.exe
Token: SeTakeOwnershipPrivilege	1344	explorer.exe
Token: SeChangeNotifyPrivilege	1344	explorer.exe
Token: SeCreateTokenPrivilege	1344	explorer.exe
Token: SeMachineAccountPrivilege	1344	explorer.exe
Token: SeSecurityPrivilege	1344	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	1344	explorer.exe
Token: SeCreateGlobalPrivilege	1344	explorer.exe
Token: 33	1344	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

b383c6c6c1755994e049ba277cf75bc0.exe

pid process

4200 b383c6c6c1755994e049ba277cf75bc0.exe

pid	process
4200	b383c6c6c1755994e049ba277cf75bc0.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

b383c6c6c1755994e049ba277cf75bc0.exeb383c6c6c1755994e049ba277cf75bc0.exe

C:\Users\Admin\AppData\Local\Temp\b383c6c6c1755994e049ba277cf75bc0.exe
"C:\Users\Admin\AppData\Local\Temp\b383c6c6c1755994e049ba277cf75bc0.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4200

C:\Users\Admin\AppData\Local\Temp\b383c6c6c1755994e049ba277cf75bc0.exe
"C:\Users\Admin\AppData\Local\Temp\b383c6c6c1755994e049ba277cf75bc0.exe"
2⤵
- Sets file execution options in registry
- 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:4944

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
3⤵
- 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:1344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1148
4⤵
- Program crash
PID:4592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1344 -ip 1344
1⤵
PID:32

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

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Downloads

memory/1344-145-0x0000000000000000-mapping.dmp

Download
memory/1344-150-0x0000000001400000-0x00000000014B2000-memory.dmp

Filesize
712KB

Download
memory/1344-149-0x0000000001400000-0x00000000014B2000-memory.dmp

Filesize
712KB

Download
memory/1344-148-0x0000000000CB0000-0x00000000010E3000-memory.dmp

Filesize
4.2MB

Download
memory/4200-135-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/4944-137-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4944-141-0x0000000000520000-0x0000000000583000-memory.dmp

Filesize
396KB

Download
memory/4944-143-0x0000000000800000-0x000000000080D000-memory.dmp

Filesize
52KB

Download
memory/4944-144-0x00000000027F0000-0x00000000027FC000-memory.dmp

Filesize
48KB

Download
memory/4944-140-0x0000000000520000-0x0000000000583000-memory.dmp

Filesize
396KB

Download
memory/4944-146-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4944-147-0x0000000000520000-0x0000000000583000-memory.dmp

Filesize
396KB

Download
memory/4944-138-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4944-134-0x0000000000000000-mapping.dmp

Download
memory/4944-136-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

description	pid	process	target process
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4200 wrote to memory of 4944	4200	b383c6c6c1755994e049ba277cf75bc0.exe	b383c6c6c1755994e049ba277cf75bc0.exe
PID 4944 wrote to memory of 1344	4944	b383c6c6c1755994e049ba277cf75bc0.exe	explorer.exe
PID 4944 wrote to memory of 1344	4944	b383c6c6c1755994e049ba277cf75bc0.exe	explorer.exe
PID 4944 wrote to memory of 1344	4944	b383c6c6c1755994e049ba277cf75bc0.exe	explorer.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads