sality | 775939b8bf22ee4999cebd8d9e1525ca9417464b5fe6ed1778f0a7b43d07d6ef

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

1.0.0.2.exerksowY.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	rksowY.exe

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

Processes:

1.0.0.2.exerksowY.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	rksowY.exe

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

Processes:

rksowY.exe1.0.0.2.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	1.0.0.2.exe

ASPack v2.12-2.42 1 IoCs
Detects executables packed with ASPack v2.12-2.42
aspackv2

Processes:

resource yara_rule

C:\Users\Admin\AppData\Local\Temp\rksowY.exe aspack_v212_v242
Deletes itself 1 IoCs

Processes:

rksowY.exe

pid process

2904 rksowY.exe
Executes dropped EXE 1 IoCs

Processes:

rksowY.exe

pid process

2904 rksowY.exe

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\rksowY.exe	aspack_v212_v242

pid	process
2904	rksowY.exe

pid	process
2904	rksowY.exe

UPX packed file 38 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4436-0-0x0000000000400000-0x0000000000D7B000-memory.dmp	upx
behavioral2/memory/4436-1-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-6-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-7-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-17-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-10-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-18-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-9-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-16-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-24-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-33-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-32-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-35-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-36-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-37-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-39-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-40-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-41-0x0000000002D40000-0x0000000003DCE000-memory.dmp	upx
behavioral2/memory/4436-59-0x0000000000400000-0x0000000000D7B000-memory.dmp	upx
behavioral2/memory/2904-62-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-67-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-69-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-63-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-68-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-66-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-64-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-60-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-65-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-70-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-71-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-75-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-83-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-84-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-86-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-87-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-96-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-95-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx
behavioral2/memory/2904-98-0x0000000004C50000-0x0000000005CDE000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

Processes:

1.0.0.2.exerksowY.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	rksowY.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	rksowY.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	1.0.0.2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	1.0.0.2.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

1.0.0.2.exerksowY.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	rksowY.exe

Enumerates connected drives 3 TTPs 9 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

1.0.0.2.exerksowY.exe

description	ioc	process
File opened (read-only)	\??\E:	1.0.0.2.exe
File opened (read-only)	\??\G:	1.0.0.2.exe
File opened (read-only)	\??\G:	rksowY.exe
File opened (read-only)	\??\J:	rksowY.exe
File opened (read-only)	\??\L:	rksowY.exe
File opened (read-only)	\??\E:	rksowY.exe
File opened (read-only)	\??\H:	rksowY.exe
File opened (read-only)	\??\I:	rksowY.exe
File opened (read-only)	\??\K:	rksowY.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

1.0.0.2.exe

description ioc process

File opened for modification \??\PhysicalDrive0 1.0.0.2.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	1.0.0.2.exe

Drops file in Program Files directory 64 IoCs

Processes:

rksowY.exe

description	ioc	process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	rksowY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	rksowY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	rksowY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	rksowY.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	rksowY.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	rksowY.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	rksowY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	rksowY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	rksowY.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	rksowY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	rksowY.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	rksowY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	rksowY.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	rksowY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	rksowY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	rksowY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	rksowY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	rksowY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	rksowY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	rksowY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	rksowY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	rksowY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\110.0.5481.104\Installer\chrmstp.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	rksowY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	rksowY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	rksowY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	rksowY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	rksowY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	rksowY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	rksowY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	rksowY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	rksowY.exe

Drops file in Windows directory 1 IoCs

Processes:

1.0.0.2.exe

description ioc process

File opened for modification C:\Windows\SYSTEM.INI 1.0.0.2.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

1.0.0.2.exerksowY.exe

pid process

4436 1.0.0.2.exe
4436 1.0.0.2.exe
2904 rksowY.exe
2904 rksowY.exe
2904 rksowY.exe
2904 rksowY.exe

description	ioc	process
File opened for modification	C:\Windows\SYSTEM.INI	1.0.0.2.exe

pid	process
4436	1.0.0.2.exe
4436	1.0.0.2.exe
2904	rksowY.exe
2904	rksowY.exe
2904	rksowY.exe
2904	rksowY.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

1.0.0.2.exerksowY.exe

description	pid	process
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	4436	1.0.0.2.exe
Token: SeDebugPrivilege	2904	rksowY.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1.0.0.2.exe

pid process

4436 1.0.0.2.exe
4436 1.0.0.2.exe

pid	process
4436	1.0.0.2.exe
4436	1.0.0.2.exe

Suspicious use of WriteProcessMemory 59 IoCs

Processes:

1.0.0.2.exerksowY.exe

description	pid	process	target process
PID 4436 wrote to memory of 2904	4436	1.0.0.2.exe	rksowY.exe
PID 4436 wrote to memory of 2904	4436	1.0.0.2.exe	rksowY.exe
PID 4436 wrote to memory of 2904	4436	1.0.0.2.exe	rksowY.exe
PID 4436 wrote to memory of 780	4436	1.0.0.2.exe	fontdrvhost.exe
PID 4436 wrote to memory of 788	4436	1.0.0.2.exe	fontdrvhost.exe
PID 4436 wrote to memory of 388	4436	1.0.0.2.exe	dwm.exe
PID 4436 wrote to memory of 2540	4436	1.0.0.2.exe	sihost.exe
PID 4436 wrote to memory of 2736	4436	1.0.0.2.exe	svchost.exe
PID 4436 wrote to memory of 2948	4436	1.0.0.2.exe	taskhostw.exe
PID 4436 wrote to memory of 3480	4436	1.0.0.2.exe	Explorer.EXE
PID 4436 wrote to memory of 3612	4436	1.0.0.2.exe	svchost.exe
PID 4436 wrote to memory of 3792	4436	1.0.0.2.exe	DllHost.exe
PID 4436 wrote to memory of 3896	4436	1.0.0.2.exe	StartMenuExperienceHost.exe
PID 4436 wrote to memory of 3964	4436	1.0.0.2.exe	RuntimeBroker.exe
PID 4436 wrote to memory of 4052	4436	1.0.0.2.exe	SearchApp.exe
PID 4436 wrote to memory of 4228	4436	1.0.0.2.exe	RuntimeBroker.exe
PID 4436 wrote to memory of 1320	4436	1.0.0.2.exe	TextInputHost.exe
PID 4436 wrote to memory of 412	4436	1.0.0.2.exe	RuntimeBroker.exe
PID 4436 wrote to memory of 1144	4436	1.0.0.2.exe	backgroundTaskHost.exe
PID 4436 wrote to memory of 2152	4436	1.0.0.2.exe	backgroundTaskHost.exe
PID 4436 wrote to memory of 3400	4436	1.0.0.2.exe	BackgroundTaskHost.exe
PID 4436 wrote to memory of 2904	4436	1.0.0.2.exe	rksowY.exe
PID 4436 wrote to memory of 2904	4436	1.0.0.2.exe	rksowY.exe
PID 2904 wrote to memory of 780	2904	rksowY.exe	fontdrvhost.exe
PID 2904 wrote to memory of 788	2904	rksowY.exe	fontdrvhost.exe
PID 2904 wrote to memory of 388	2904	rksowY.exe	dwm.exe
PID 2904 wrote to memory of 2540	2904	rksowY.exe	sihost.exe
PID 2904 wrote to memory of 2736	2904	rksowY.exe	svchost.exe
PID 2904 wrote to memory of 2948	2904	rksowY.exe	taskhostw.exe
PID 2904 wrote to memory of 3480	2904	rksowY.exe	Explorer.EXE
PID 2904 wrote to memory of 3612	2904	rksowY.exe	svchost.exe
PID 2904 wrote to memory of 3792	2904	rksowY.exe	DllHost.exe
PID 2904 wrote to memory of 3896	2904	rksowY.exe	StartMenuExperienceHost.exe
PID 2904 wrote to memory of 3964	2904	rksowY.exe	RuntimeBroker.exe
PID 2904 wrote to memory of 4052	2904	rksowY.exe	SearchApp.exe
PID 2904 wrote to memory of 4228	2904	rksowY.exe	RuntimeBroker.exe
PID 2904 wrote to memory of 1320	2904	rksowY.exe	TextInputHost.exe
PID 2904 wrote to memory of 412	2904	rksowY.exe	RuntimeBroker.exe
PID 2904 wrote to memory of 1144	2904	rksowY.exe	backgroundTaskHost.exe
PID 2904 wrote to memory of 4788	2904	rksowY.exe	RuntimeBroker.exe
PID 2904 wrote to memory of 4328	2904	rksowY.exe	RuntimeBroker.exe
PID 2904 wrote to memory of 780	2904	rksowY.exe	fontdrvhost.exe
PID 2904 wrote to memory of 788	2904	rksowY.exe	fontdrvhost.exe
PID 2904 wrote to memory of 388	2904	rksowY.exe	dwm.exe
PID 2904 wrote to memory of 2540	2904	rksowY.exe	sihost.exe
PID 2904 wrote to memory of 2736	2904	rksowY.exe	svchost.exe
PID 2904 wrote to memory of 2948	2904	rksowY.exe	taskhostw.exe
PID 2904 wrote to memory of 3480	2904	rksowY.exe	Explorer.EXE
PID 2904 wrote to memory of 3612	2904	rksowY.exe	svchost.exe
PID 2904 wrote to memory of 3792	2904	rksowY.exe	DllHost.exe
PID 2904 wrote to memory of 3896	2904	rksowY.exe	StartMenuExperienceHost.exe
PID 2904 wrote to memory of 3964	2904	rksowY.exe	RuntimeBroker.exe
PID 2904 wrote to memory of 4052	2904	rksowY.exe	SearchApp.exe
PID 2904 wrote to memory of 4228	2904	rksowY.exe	RuntimeBroker.exe
PID 2904 wrote to memory of 1320	2904	rksowY.exe	TextInputHost.exe
PID 2904 wrote to memory of 412	2904	rksowY.exe	RuntimeBroker.exe
PID 2904 wrote to memory of 1144	2904	rksowY.exe	backgroundTaskHost.exe
PID 2904 wrote to memory of 4788	2904	rksowY.exe	RuntimeBroker.exe
PID 2904 wrote to memory of 4328	2904	rksowY.exe	RuntimeBroker.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

1.0.0.2.exerksowY.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	1.0.0.2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	rksowY.exe

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:780

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:788

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:388

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2540

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2736

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2948

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3480

C:\Users\Admin\AppData\Local\Temp\1.0.0.2.exe
"C:\Users\Admin\AppData\Local\Temp\1.0.0.2.exe"
2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4436

C:\Users\Admin\AppData\Local\Temp\rksowY.exe
C:\Users\Admin\AppData\Local\Temp\rksowY.exe
3⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Deletes itself
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2904

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7719454b.bat" "
4⤵
PID:2080

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3612

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3792

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3896

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3964

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:4052

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4228

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
1⤵
PID:1320

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:412

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:CortanaUI.AppX3bn25b6f886wmg6twh46972vprk9tnbf.mca
1⤵
PID:1144

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:2152

C:\Windows\system32\BackgroundTaskHost.exe
"C:\Windows\system32\BackgroundTaskHost.exe" -ServerName:BackgroundTaskHost.WebAccountProvider
1⤵
PID:3400

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4788

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4328

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

Windows Service

Pre-OS Boot

Bootkit

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Modify Registry

Impair Defenses

T1562

Disable or Modify Tools