sality | 231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2

Modify Existing Service

T1031

Processes:

231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exeschedl.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe

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

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

Processes:

231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exeschedl.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	schedl.exe

Windows security bypass 2 TTPs 12 IoCs

Disabling Security Tools

Modify Registry

Processes:

schedl.exe231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe

Disables RegEdit via registry modification 2 IoCs

evasion

Processes:

schedl.exe231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1"	schedl.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system\DisableRegistryTools = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe

Disables Task Manager via registry modification
evasion
Executes dropped EXE 1 IoCs

Processes:

schedl.exe

pid process

3364 schedl.exe

pid	process
3364	schedl.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3268-135-0x0000000002B50000-0x0000000003BDE000-memory.dmp	upx
behavioral2/memory/3268-138-0x0000000002B50000-0x0000000003BDE000-memory.dmp	upx
behavioral2/memory/3268-147-0x0000000002B50000-0x0000000003BDE000-memory.dmp	upx
behavioral2/memory/3364-148-0x0000000003120000-0x00000000041AE000-memory.dmp	upx
behavioral2/memory/3364-150-0x0000000003120000-0x00000000041AE000-memory.dmp	upx
behavioral2/memory/3364-151-0x0000000003120000-0x00000000041AE000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disabling Security Tools

Modify Registry

Processes:

schedl.exe231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	schedl.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

Processes:

schedl.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\MICROSOFT\WINDOWS\CURRENTVERSION\RUN	schedl.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\schedl = "C:\\Windows\\Help\\schedl.exe"	schedl.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exeschedl.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	schedl.exe

Enumerates connected drives 3 TTPs 22 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:

schedl.exe

description	ioc	process
File opened (read-only)	\??\Z:	schedl.exe
File opened (read-only)	\??\N:	schedl.exe
File opened (read-only)	\??\S:	schedl.exe
File opened (read-only)	\??\V:	schedl.exe
File opened (read-only)	\??\P:	schedl.exe
File opened (read-only)	\??\Y:	schedl.exe
File opened (read-only)	\??\J:	schedl.exe
File opened (read-only)	\??\L:	schedl.exe
File opened (read-only)	\??\O:	schedl.exe
File opened (read-only)	\??\R:	schedl.exe
File opened (read-only)	\??\U:	schedl.exe
File opened (read-only)	\??\E:	schedl.exe
File opened (read-only)	\??\F:	schedl.exe
File opened (read-only)	\??\I:	schedl.exe
File opened (read-only)	\??\W:	schedl.exe
File opened (read-only)	\??\X:	schedl.exe
File opened (read-only)	\??\M:	schedl.exe
File opened (read-only)	\??\Q:	schedl.exe
File opened (read-only)	\??\T:	schedl.exe
File opened (read-only)	\??\G:	schedl.exe
File opened (read-only)	\??\H:	schedl.exe
File opened (read-only)	\??\K:	schedl.exe

Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media
T1091

Processes:

schedl.exe

description ioc process

File opened for modification C:\autorun.inf schedl.exe

description	ioc	process
File opened for modification	C:\autorun.inf	schedl.exe

Drops file in Program Files directory 15 IoCs

Processes:

schedl.exe

description	ioc	process
File created	C:\Program Files\Program Files.exe	schedl.exe
File opened for modification	C:\Program Files (x86)\Program Files (x86).exe	schedl.exe
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\appvcleaner.exe	schedl.exe
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\InspectorOfficeGadget.exe	schedl.exe
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\IntegratedOffice.exe	schedl.exe
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\OfficeC2RClient.exe	schedl.exe
File opened for modification	C:\Program Files\Program Files.exe	schedl.exe
File created	C:\Program Files (x86)\Program Files (x86).exe	schedl.exe
File opened for modification	C:\PROGRAM FILES\7-ZIP\7z.exe	schedl.exe
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\MavInject32.exe	schedl.exe
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\OfficeClickToRun.exe	schedl.exe
File opened for modification	C:\PROGRAM FILES\7-ZIP\7zFM.exe	schedl.exe
File opened for modification	C:\PROGRAM FILES\7-ZIP\7zG.exe	schedl.exe
File opened for modification	C:\PROGRAM FILES\COMMON FILES\MICROSOFT SHARED\CLICKTORUN\AppVShNotify.exe	schedl.exe
File opened for modification	C:\PROGRAM FILES\7-ZIP\Uninstall.exe	schedl.exe

Drops file in Windows directory 6 IoCs

Processes:

231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exeschedl.exe

description	ioc	process
File created	C:\Windows\Help\schedl.exe	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
File opened for modification	C:\Windows\Help\schedl.exe	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
File created	C:\Windows\Windows.exe	schedl.exe
File opened for modification	C:\Windows\Windows.exe	schedl.exe
File opened for modification	C:\Windows\Help\schedl.exe	schedl.exe
File opened for modification	C:\Windows\SYSTEM.INI	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exeschedl.exe

pid	process
3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe
3364	schedl.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe

description	pid	process
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Token: SeDebugPrivilege	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exeschedl.exe

pid process

3268 231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
3364 schedl.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exeschedl.exe

description	pid	process	target process
PID 3268 wrote to memory of 776	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	fontdrvhost.exe
PID 3268 wrote to memory of 784	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	fontdrvhost.exe
PID 3268 wrote to memory of 312	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	dwm.exe
PID 3268 wrote to memory of 2516	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	sihost.exe
PID 3268 wrote to memory of 2528	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	svchost.exe
PID 3268 wrote to memory of 2636	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	taskhostw.exe
PID 3268 wrote to memory of 2596	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	Explorer.EXE
PID 3268 wrote to memory of 944	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	svchost.exe
PID 3268 wrote to memory of 3256	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	DllHost.exe
PID 3268 wrote to memory of 3368	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	StartMenuExperienceHost.exe
PID 3268 wrote to memory of 3472	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	RuntimeBroker.exe
PID 3268 wrote to memory of 3568	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	SearchApp.exe
PID 3268 wrote to memory of 3768	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	RuntimeBroker.exe
PID 3268 wrote to memory of 4724	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	RuntimeBroker.exe
PID 3268 wrote to memory of 3364	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	schedl.exe
PID 3268 wrote to memory of 3364	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	schedl.exe
PID 3268 wrote to memory of 3364	3268	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe	schedl.exe
PID 3364 wrote to memory of 776	3364	schedl.exe	fontdrvhost.exe
PID 3364 wrote to memory of 784	3364	schedl.exe	fontdrvhost.exe
PID 3364 wrote to memory of 312	3364	schedl.exe	dwm.exe
PID 3364 wrote to memory of 2516	3364	schedl.exe	sihost.exe
PID 3364 wrote to memory of 2528	3364	schedl.exe	svchost.exe
PID 3364 wrote to memory of 2636	3364	schedl.exe	taskhostw.exe
PID 3364 wrote to memory of 2596	3364	schedl.exe	Explorer.EXE
PID 3364 wrote to memory of 944	3364	schedl.exe	svchost.exe
PID 3364 wrote to memory of 3256	3364	schedl.exe	DllHost.exe
PID 3364 wrote to memory of 3368	3364	schedl.exe	StartMenuExperienceHost.exe
PID 3364 wrote to memory of 3472	3364	schedl.exe	RuntimeBroker.exe
PID 3364 wrote to memory of 3568	3364	schedl.exe	SearchApp.exe
PID 3364 wrote to memory of 3768	3364	schedl.exe	RuntimeBroker.exe
PID 3364 wrote to memory of 4724	3364	schedl.exe	RuntimeBroker.exe
PID 3364 wrote to memory of 776	3364	schedl.exe	fontdrvhost.exe
PID 3364 wrote to memory of 784	3364	schedl.exe	fontdrvhost.exe
PID 3364 wrote to memory of 312	3364	schedl.exe	dwm.exe
PID 3364 wrote to memory of 2516	3364	schedl.exe	sihost.exe
PID 3364 wrote to memory of 2528	3364	schedl.exe	svchost.exe
PID 3364 wrote to memory of 2636	3364	schedl.exe	taskhostw.exe
PID 3364 wrote to memory of 2596	3364	schedl.exe	Explorer.EXE
PID 3364 wrote to memory of 944	3364	schedl.exe	svchost.exe
PID 3364 wrote to memory of 3256	3364	schedl.exe	DllHost.exe
PID 3364 wrote to memory of 3368	3364	schedl.exe	StartMenuExperienceHost.exe
PID 3364 wrote to memory of 3472	3364	schedl.exe	RuntimeBroker.exe
PID 3364 wrote to memory of 3568	3364	schedl.exe	SearchApp.exe
PID 3364 wrote to memory of 3768	3364	schedl.exe	RuntimeBroker.exe
PID 3364 wrote to memory of 4724	3364	schedl.exe	RuntimeBroker.exe
PID 3364 wrote to memory of 776	3364	schedl.exe	fontdrvhost.exe
PID 3364 wrote to memory of 784	3364	schedl.exe	fontdrvhost.exe
PID 3364 wrote to memory of 312	3364	schedl.exe	dwm.exe
PID 3364 wrote to memory of 2516	3364	schedl.exe	sihost.exe
PID 3364 wrote to memory of 2528	3364	schedl.exe	svchost.exe
PID 3364 wrote to memory of 2636	3364	schedl.exe	taskhostw.exe
PID 3364 wrote to memory of 2596	3364	schedl.exe	Explorer.EXE
PID 3364 wrote to memory of 944	3364	schedl.exe	svchost.exe
PID 3364 wrote to memory of 3256	3364	schedl.exe	DllHost.exe
PID 3364 wrote to memory of 3368	3364	schedl.exe	StartMenuExperienceHost.exe
PID 3364 wrote to memory of 3472	3364	schedl.exe	RuntimeBroker.exe
PID 3364 wrote to memory of 3568	3364	schedl.exe	SearchApp.exe
PID 3364 wrote to memory of 3768	3364	schedl.exe	RuntimeBroker.exe
PID 3364 wrote to memory of 4724	3364	schedl.exe	RuntimeBroker.exe
PID 3364 wrote to memory of 776	3364	schedl.exe	fontdrvhost.exe
PID 3364 wrote to memory of 784	3364	schedl.exe	fontdrvhost.exe
PID 3364 wrote to memory of 312	3364	schedl.exe	dwm.exe
PID 3364 wrote to memory of 2516	3364	schedl.exe	sihost.exe
PID 3364 wrote to memory of 2528	3364	schedl.exe	svchost.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exeschedl.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	schedl.exe

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:776

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:784

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:312

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2516

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2528

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2636

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3368

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3472

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3568

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3768

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3256

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:944

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4724

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2596

C:\Users\Admin\AppData\Local\Temp\231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe
"C:\Users\Admin\AppData\Local\Temp\231b8c569827f7a9d8c3936f82f1b81b3edabda5bad11ad7c27a21590c6971b2.exe"
2⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3268

C:\Windows\Help\schedl.exe
C:\Windows\Help\schedl.exe
3⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3364

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Modify Registry

6

Bypass User Account Control

T1088

Disabling Security Tools

3

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

T1012

Peripheral Device Discovery

T1120

Lateral Movement

Replication Through Removable Media