betabot | ccab681baa683fa5d1bc2c11f786b67800eca96442ace9372c8dd5d31b5366e2

General

Target

e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exe
Size

698KB
MD5

f3e344b63fd98041b0551c0a329e85fb
SHA1

ac086b6e0b21648088c8d098c68adfab38927e61
SHA256

e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901
SHA512

7ead065043f00dee8654f10c358448c9521a2825036cf4c09fbc9f334c9d3815f1cbaae722757968d1347f394da58fbd8aa35ac87c221079cdf0a765af0dfc5a

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:

AudioSes.exeAudioSes.exe

pid process

372 AudioSes.exe
3888 AudioSes.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
Loads dropped DLL 1 IoCs

Processes:

AudioSes.exe

pid process

372 AudioSes.exe

pid	process
372	AudioSes.exe
3888	AudioSes.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	explorer.exe

pid	process
372	AudioSes.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-1-5-21-3341490333-719741536-2920803124-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\GoogIeUpdater = "C:\\ProgramData\\GoogIeUpdater\\1uq3u19o95.exe"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\GoogIeUpdater = "\"C:\\ProgramData\\GoogIeUpdater\\1uq3u19o95.exe\""	explorer.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

AudioSes.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA AudioSes.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs

Processes:

AudioSes.exeexplorer.exe

pid	process
3888	AudioSes.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

AudioSes.exe

description pid process target process

PID 372 set thread context of 3888 372 AudioSes.exe AudioSes.exe

description	pid	process	target process
PID 372 set thread context of 3888	372	AudioSes.exe	AudioSes.exe

NSIS installer 6 IoCs

installer

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\AudioSes.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\AudioSes.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\AudioSes.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\AudioSes.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\AudioSes.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\AudioSes.exe	nsis_installer_2

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.exeAudioSes.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AudioSes.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	AudioSes.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\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-1-5-21-3341490333-719741536-2920803124-1000\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-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main explorer.exe
Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXE

pid process

1016 PING.EXE
2312 PING.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe

pid	process
1016	PING.EXE
2312	PING.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exeexplorer.exe

pid	process
1192	e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe
1532	explorer.exe

Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

AudioSes.exeAudioSes.exe

pid process

372 AudioSes.exe
3888 AudioSes.exe
3888 AudioSes.exe

pid	process
372	AudioSes.exe
3888	AudioSes.exe
3888	AudioSes.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

Processes:

e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exeAudioSes.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	1192	e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exe
Token: SeDebugPrivilege	3888	AudioSes.exe
Token: SeRestorePrivilege	3888	AudioSes.exe
Token: SeBackupPrivilege	3888	AudioSes.exe
Token: SeLoadDriverPrivilege	3888	AudioSes.exe
Token: SeCreatePagefilePrivilege	3888	AudioSes.exe
Token: SeShutdownPrivilege	3888	AudioSes.exe
Token: SeTakeOwnershipPrivilege	3888	AudioSes.exe
Token: SeChangeNotifyPrivilege	3888	AudioSes.exe
Token: SeCreateTokenPrivilege	3888	AudioSes.exe
Token: SeMachineAccountPrivilege	3888	AudioSes.exe
Token: SeSecurityPrivilege	3888	AudioSes.exe
Token: SeAssignPrimaryTokenPrivilege	3888	AudioSes.exe
Token: SeCreateGlobalPrivilege	3888	AudioSes.exe
Token: 33	3888	AudioSes.exe
Token: SeDebugPrivilege	1532	explorer.exe
Token: SeRestorePrivilege	1532	explorer.exe
Token: SeBackupPrivilege	1532	explorer.exe
Token: SeLoadDriverPrivilege	1532	explorer.exe
Token: SeCreatePagefilePrivilege	1532	explorer.exe
Token: SeShutdownPrivilege	1532	explorer.exe
Token: SeTakeOwnershipPrivilege	1532	explorer.exe
Token: SeChangeNotifyPrivilege	1532	explorer.exe
Token: SeCreateTokenPrivilege	1532	explorer.exe
Token: SeMachineAccountPrivilege	1532	explorer.exe
Token: SeSecurityPrivilege	1532	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	1532	explorer.exe
Token: SeCreateGlobalPrivilege	1532	explorer.exe
Token: 33	1532	explorer.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.execmd.exeAudioSes.exeAudioSes.exe

description	pid	process	target process
PID 1192 wrote to memory of 372	1192	e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exe	AudioSes.exe
PID 1192 wrote to memory of 372	1192	e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exe	AudioSes.exe
PID 1192 wrote to memory of 372	1192	e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exe	AudioSes.exe
PID 1192 wrote to memory of 2652	1192	e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exe	cmd.exe
PID 1192 wrote to memory of 2652	1192	e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exe	cmd.exe
PID 1192 wrote to memory of 2652	1192	e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exe	cmd.exe
PID 2652 wrote to memory of 1016	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 1016	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 1016	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 2312	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 2312	2652	cmd.exe	PING.EXE
PID 2652 wrote to memory of 2312	2652	cmd.exe	PING.EXE
PID 372 wrote to memory of 3888	372	AudioSes.exe	AudioSes.exe
PID 372 wrote to memory of 3888	372	AudioSes.exe	AudioSes.exe
PID 372 wrote to memory of 3888	372	AudioSes.exe	AudioSes.exe
PID 372 wrote to memory of 3888	372	AudioSes.exe	AudioSes.exe
PID 3888 wrote to memory of 1532	3888	AudioSes.exe	explorer.exe
PID 3888 wrote to memory of 1532	3888	AudioSes.exe	explorer.exe
PID 3888 wrote to memory of 1532	3888	AudioSes.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exe
"C:\Users\Admin\AppData\Local\Temp\e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1192

C:\Users\Admin\AppData\Local\Temp\AudioSes.exe
"C:\Users\Admin\AppData\Local\Temp\AudioSes.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:372

C:\Users\Admin\AppData\Local\Temp\AudioSes.exe
"C:\Users\Admin\AppData\Local\Temp\AudioSes.exe"
3⤵
- Executes dropped EXE
- 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:3888

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
4⤵
- Modifies firewall policy service
- 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:1532

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 100 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exe"& ping 1.1.1.1 -n 1 -w 900 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\e0a124e431d01bf7b194ad5a2f8c0435471c0e1b062e165c3db211186a1ea901.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2652

C:\Windows\SysWOW64\PING.EXE
ping 1.1.1.1 -n 1 -w 100
3⤵
- Runs ping.exe
PID:1016

C:\Windows\SysWOW64\PING.EXE
ping 1.1.1.1 -n 1 -w 900
3⤵
- Runs ping.exe
PID:2312

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

5

T1082

Remote System Discovery

1

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AudioSes.exe
MD5
043af181d5788fae0a7bc3faf74c287e

SHA1
f2a20f5ffd9d2a0cff50c9a030c88e3943a0c65f

SHA256
21e58ba4dddbb85983c87192bd76812f06bec3c48582fde844aaf7c16fcbb196

SHA512
99108600ca35f217f2cf118ffdf01f983cea903d3bca94d085dfd40e1a91f32eed66a4e8d2655678ee9580c91be2de78a8da4c321c2fae26a7705fcf0d57dda5

Download Submit
C:\Users\Admin\AppData\Local\Temp\AudioSes.exe
MD5
043af181d5788fae0a7bc3faf74c287e

SHA1
f2a20f5ffd9d2a0cff50c9a030c88e3943a0c65f

SHA256
21e58ba4dddbb85983c87192bd76812f06bec3c48582fde844aaf7c16fcbb196

SHA512
99108600ca35f217f2cf118ffdf01f983cea903d3bca94d085dfd40e1a91f32eed66a4e8d2655678ee9580c91be2de78a8da4c321c2fae26a7705fcf0d57dda5

Download Submit
C:\Users\Admin\AppData\Local\Temp\AudioSes.exe
MD5
043af181d5788fae0a7bc3faf74c287e

SHA1
f2a20f5ffd9d2a0cff50c9a030c88e3943a0c65f

SHA256
21e58ba4dddbb85983c87192bd76812f06bec3c48582fde844aaf7c16fcbb196

SHA512
99108600ca35f217f2cf118ffdf01f983cea903d3bca94d085dfd40e1a91f32eed66a4e8d2655678ee9580c91be2de78a8da4c321c2fae26a7705fcf0d57dda5

Download Submit
\Users\Admin\AppData\Local\Temp\nsf6CDB.tmp\System.dll
MD5
3f176d1ee13b0d7d6bd92e1c7a0b9bae

SHA1
fe582246792774c2c9dd15639ffa0aca90d6fd0b

SHA256
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

SHA512
0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

Download Submit
memory/372-12-0x0000000000000000-mapping.dmp

Download
memory/372-21-0x00000000096B0000-0x00000000096E7000-memory.dmp

Filesize
220KB

Download
memory/1016-19-0x0000000000000000-mapping.dmp

Download
memory/1192-10-0x0000000004D04000-0x0000000004D06000-memory.dmp

Filesize
8KB

Download
memory/1192-6-0x0000000004B60000-0x0000000004BEB000-memory.dmp

Filesize
556KB

Download
memory/1192-13-0x0000000004D06000-0x0000000004D08000-memory.dmp

Filesize
8KB

Download
memory/1192-9-0x0000000004D03000-0x0000000004D04000-memory.dmp

Filesize
4KB

Download
memory/1192-11-0x0000000004CA0000-0x0000000004CA1000-memory.dmp

Filesize
4KB

Download
memory/1192-7-0x0000000004D00000-0x0000000004D01000-memory.dmp

Filesize
4KB

Download
memory/1192-14-0x0000000004D08000-0x0000000004D09000-memory.dmp

Filesize
4KB

Download
memory/1192-3-0x0000000073A10000-0x00000000740FE000-memory.dmp

Filesize
6.9MB

Download
memory/1192-8-0x0000000004D02000-0x0000000004D03000-memory.dmp

Filesize
4KB

Download
memory/1192-2-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download
memory/1192-5-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/1192-4-0x0000000004BF0000-0x0000000004C7D000-memory.dmp

Filesize
564KB

Download
memory/1532-29-0x0000000000000000-mapping.dmp

Download
memory/1532-37-0x0000000006B30000-0x0000000006B32000-memory.dmp

Filesize
8KB

Download
memory/1532-31-0x0000000001000000-0x00000000010D6000-memory.dmp

Filesize
856KB

Download
memory/1532-30-0x00000000010F0000-0x0000000001530000-memory.dmp

Filesize
4.2MB

Download
memory/2312-20-0x0000000000000000-mapping.dmp

Download
memory/2652-16-0x0000000000000000-mapping.dmp

Download
memory/3888-22-0x00000000004015C6-mapping.dmp

Download
memory/3888-28-0x0000000002680000-0x000000000268C000-memory.dmp

Filesize
48KB

Download
memory/3888-27-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/3888-26-0x0000000000590000-0x000000000059D000-memory.dmp

Filesize
52KB

Download
memory/3888-25-0x00000000021C0000-0x0000000002226000-memory.dmp

Filesize
408KB

Download
memory/3888-35-0x0000000002670000-0x0000000002671000-memory.dmp

Filesize
4KB

Download
memory/3888-24-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads