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
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:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exeexplorer.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\w5amy17kayo5.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 = "xjenkff.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\w5amy17kayo5.exe	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.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-1-5-21-3385717845-2518323428-350143044-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\MS Word 2015 = "\"C:\\ProgramData\\MS Word 2015\\w5amy17kayo5.exe\""	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\MS Word 2015 = "C:\\ProgramData\\MS Word 2015\\w5amy17kayo5.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 9 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exeexplorer.exe

pid	process
1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
1176	explorer.exe
1176	explorer.exe
1176	explorer.exe
1176	explorer.exe
1176	explorer.exe
1176	explorer.exe
1176	explorer.exe
1176	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:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exeexplorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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-1-5-21-3385717845-2518323428-350143044-1000\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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main explorer.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

explorer.exe

pid process

1176 explorer.exe
1176 explorer.exe
1176 explorer.exe
1176 explorer.exe
1176 explorer.exe
1176 explorer.exe
1176 explorer.exe
1176 explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

pid	process
1176	explorer.exe
1176	explorer.exe
1176	explorer.exe
1176	explorer.exe
1176	explorer.exe
1176	explorer.exe
1176	explorer.exe
1176	explorer.exe

Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exeexplorer.exe

pid	process
1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
1176	explorer.exe
1176	explorer.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

pid process

1228 fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeRestorePrivilege	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeBackupPrivilege	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeLoadDriverPrivilege	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeCreatePagefilePrivilege	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeShutdownPrivilege	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeTakeOwnershipPrivilege	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeChangeNotifyPrivilege	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeCreateTokenPrivilege	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeMachineAccountPrivilege	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeSecurityPrivilege	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeAssignPrimaryTokenPrivilege	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeCreateGlobalPrivilege	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: 33	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Token: SeDebugPrivilege	1176	explorer.exe
Token: SeRestorePrivilege	1176	explorer.exe
Token: SeBackupPrivilege	1176	explorer.exe
Token: SeLoadDriverPrivilege	1176	explorer.exe
Token: SeCreatePagefilePrivilege	1176	explorer.exe
Token: SeShutdownPrivilege	1176	explorer.exe
Token: SeTakeOwnershipPrivilege	1176	explorer.exe
Token: SeChangeNotifyPrivilege	1176	explorer.exe
Token: SeCreateTokenPrivilege	1176	explorer.exe
Token: SeMachineAccountPrivilege	1176	explorer.exe
Token: SeSecurityPrivilege	1176	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	1176	explorer.exe
Token: SeCreateGlobalPrivilege	1176	explorer.exe
Token: 33	1176	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

pid process

1228 fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

pid process

1228 fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exeexplorer.exe

description	pid	process	target process
PID 1228 wrote to memory of 1176	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe	explorer.exe
PID 1228 wrote to memory of 1176	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe	explorer.exe
PID 1228 wrote to memory of 1176	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe	explorer.exe
PID 1228 wrote to memory of 1176	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe	explorer.exe
PID 1228 wrote to memory of 1176	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe	explorer.exe
PID 1228 wrote to memory of 1176	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe	explorer.exe
PID 1228 wrote to memory of 1176	1228	fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe	explorer.exe
PID 1176 wrote to memory of 1192	1176	explorer.exe	Dwm.exe
PID 1176 wrote to memory of 1192	1176	explorer.exe	Dwm.exe
PID 1176 wrote to memory of 1192	1176	explorer.exe	Dwm.exe
PID 1176 wrote to memory of 1192	1176	explorer.exe	Dwm.exe
PID 1176 wrote to memory of 1192	1176	explorer.exe	Dwm.exe
PID 1176 wrote to memory of 1192	1176	explorer.exe	Dwm.exe
PID 1176 wrote to memory of 1268	1176	explorer.exe	Explorer.EXE
PID 1176 wrote to memory of 1268	1176	explorer.exe	Explorer.EXE
PID 1176 wrote to memory of 1268	1176	explorer.exe	Explorer.EXE
PID 1176 wrote to memory of 1268	1176	explorer.exe	Explorer.EXE
PID 1176 wrote to memory of 1268	1176	explorer.exe	Explorer.EXE
PID 1176 wrote to memory of 1268	1176	explorer.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1268

C:\Users\Admin\AppData\Local\Temp\fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe
"C:\Users\Admin\AppData\Local\Temp\fefa0aa8217716ecbfd713cfa47f29cee5b4a7c4e4b2968680a5faa77a2b23c5.exe"
2⤵
- 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 UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1228

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 behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1192

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/1176-71-0x00000000002A0000-0x00000000002AC000-memory.dmp

Filesize
48KB

Download
memory/1176-70-0x0000000000130000-0x000000000013D000-memory.dmp

Filesize
52KB

Download
memory/1176-68-0x0000000077B10000-0x0000000077C90000-memory.dmp

Filesize
1.5MB

Download
memory/1176-69-0x00000000001A0000-0x0000000000266000-memory.dmp

Filesize
792KB

Download
memory/1176-67-0x0000000074EA1000-0x0000000074EA3000-memory.dmp

Filesize
8KB

Download
memory/1176-75-0x00000000001A0000-0x0000000000266000-memory.dmp

Filesize
792KB

Download
memory/1176-74-0x0000000077B10000-0x0000000077C90000-memory.dmp

Filesize
1.5MB

Download
memory/1176-65-0x0000000000000000-mapping.dmp

Download
memory/1228-59-0x000000000CEA0000-0x000000000CF00000-memory.dmp

Filesize
384KB

Download
memory/1228-57-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1228-61-0x000000000CEA0000-0x000000000CF00000-memory.dmp

Filesize
384KB

Download
memory/1228-56-0x00000000767F1000-0x00000000767F3000-memory.dmp

Filesize
8KB

Download
memory/1228-72-0x000000000CEA0000-0x000000000CF00000-memory.dmp

Filesize
384KB

Download
memory/1228-73-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/1228-64-0x0000000000780000-0x000000000078C000-memory.dmp

Filesize
48KB

Download
memory/1228-63-0x0000000072940000-0x0000000072A93000-memory.dmp

Filesize
1.3MB

Download
memory/1228-62-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1268-76-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads