betabot | 9f829213a1f233378e8e9069adac865edfb8dd4a7e64998d273930c54ab258eb

General

Target

Customer Complaint letter NHBRC258812.PDF.exe
Size

329KB
MD5

69940b99a87df030b38ab4b04281d7ff
SHA1

a4cecf005b0777ed740e4dc9671e87349e3017cc
SHA256

9f829213a1f233378e8e9069adac865edfb8dd4a7e64998d273930c54ab258eb
SHA512

e43a7dedfcd91b104dcf77b45fd57e28b8dc20ce5a2ae0b094479c4651c8f60154695c13ac770e975d3cecd0d7cefd6d9237428c01cbea2ef1a85f9c29eae2dd

Score

10^/10

evasion trojan backdoor botnet betabot persistence

Malware Config

Signatures

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Customer Complaint letter NHBRC258812.PDF.exe

description	pid	process	target process
PID 2928 wrote to memory of 4000	2928	Customer Complaint letter NHBRC258812.PDF.exe	explorer.exe
PID 2928 wrote to memory of 4000	2928	Customer Complaint letter NHBRC258812.PDF.exe	explorer.exe
PID 2928 wrote to memory of 4000	2928	Customer Complaint letter NHBRC258812.PDF.exe	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

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

Customer Complaint letter NHBRC258812.PDF.exe

pid process

2928 Customer Complaint letter NHBRC258812.PDF.exe
2928 Customer Complaint letter NHBRC258812.PDF.exe

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\PublicProfile\EnableFirewall = "0"	explorer.exe
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

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager\DownloadVersionList = "0"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Main	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager	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:

Customer Complaint letter NHBRC258812.PDF.exeexplorer.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Customer Complaint letter NHBRC258812.PDF.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Customer Complaint letter NHBRC258812.PDF.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

BetaBot
Beta Bot is a Trojan that infects computers and disables Antivirus.
trojan backdoor botnet betabot

Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs

Processes:

Customer Complaint letter NHBRC258812.PDF.exeexplorer.exe

pid	process
2928	Customer Complaint letter NHBRC258812.PDF.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

Processes:

Customer Complaint letter NHBRC258812.PDF.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: SeRestorePrivilege	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: SeBackupPrivilege	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: SeLoadDriverPrivilege	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: SeCreatePagefilePrivilege	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: SeShutdownPrivilege	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: SeTakeOwnershipPrivilege	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: SeChangeNotifyPrivilege	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: SeCreateTokenPrivilege	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: SeMachineAccountPrivilege	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: SeSecurityPrivilege	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: SeAssignPrimaryTokenPrivilege	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: SeCreateGlobalPrivilege	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: 33	2928	Customer Complaint letter NHBRC258812.PDF.exe
Token: SeDebugPrivilege	4000	explorer.exe
Token: SeRestorePrivilege	4000	explorer.exe
Token: SeBackupPrivilege	4000	explorer.exe
Token: SeLoadDriverPrivilege	4000	explorer.exe
Token: SeCreatePagefilePrivilege	4000	explorer.exe
Token: SeShutdownPrivilege	4000	explorer.exe
Token: SeTakeOwnershipPrivilege	4000	explorer.exe
Token: SeChangeNotifyPrivilege	4000	explorer.exe
Token: SeCreateTokenPrivilege	4000	explorer.exe
Token: SeMachineAccountPrivilege	4000	explorer.exe
Token: SeSecurityPrivilege	4000	explorer.exe
Token: SeAssignPrimaryTokenPrivilege	4000	explorer.exe
Token: SeCreateGlobalPrivilege	4000	explorer.exe
Token: 33	4000	explorer.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

Customer Complaint letter NHBRC258812.PDF.exe

pid process

2928 Customer Complaint letter NHBRC258812.PDF.exe
Sets file execution options in registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112
Drops desktop.ini file(s) 1 IoCs

Processes:

explorer.exe

description ioc process

File opened for modification C:\ProgramData\Google Updater 2.0\desktop.ini explorer.exe

description	ioc	process
File opened for modification	C:\ProgramData\Google Updater 2.0\desktop.ini	explorer.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Customer Complaint letter NHBRC258812.PDF.exeexplorer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Customer Complaint letter NHBRC258812.PDF.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	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

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

explorer.exe

pid	process
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe
4000	explorer.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updater 2.0 = "\"C:\\ProgramData\\Google Updater 2.0\\33951oq1ykwm.exe\""	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.0 = "\"C:\\ProgramData\\Google Updater 2.0\\33951oq1ykwm.exe\""	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.0 = "C:\\ProgramData\\Google Updater 2.0\\33951oq1ykwm.exe"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe

C:\Users\Admin\AppData\Local\Temp\Customer Complaint letter NHBRC258812.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Customer Complaint letter NHBRC258812.PDF.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
- Checks processor information in registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: RenamesItself
- Checks whether UAC is enabled
PID:2928

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
2⤵
- Enumerates system info in registry
- Modifies firewall policy service
- Modifies Internet Explorer settings
- Checks processor information in registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Drops desktop.ini file(s)
- Checks whether UAC is enabled
- Checks BIOS information in registry
- Suspicious behavior: EnumeratesProcesses
- Adds Run key to start application
PID:4000

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

4

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/2928-0-0x0000000003599000-0x000000000359A000-memory.dmp

Filesize
4KB

Download
memory/2928-1-0x00000000052E0000-0x00000000052E1000-memory.dmp

Filesize
4KB

Download
memory/2928-2-0x0000000005780000-0x000000000583C000-memory.dmp

Filesize
752KB

Download
memory/2928-3-0x0000000005D00000-0x0000000006140000-memory.dmp

Filesize
4.2MB

Download
memory/4000-4-0x0000000000000000-mapping.dmp

Download
memory/4000-5-0x0000000000900000-0x0000000000D40000-memory.dmp

Filesize
4.2MB

Download
memory/4000-6-0x0000000000900000-0x0000000000D40000-memory.dmp

Filesize
4.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads