ramnit | e2cadb0766cf2fc20a527c917f4475388ef3fbd73b8e0c6d071b695afbb1dba3

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,c:\\program files (x86)\\microsoft\\watermark.exe"	svchost.exe

Modifies firewall policy service 3 TTPs 9 IoCs

evasion

Modify Registry

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

rundll32mgr.exeWaterMark.exesvchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	svchost.exe

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality

UAC bypass 3 TTPs 3 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

Processes:

rundll32mgr.exeWaterMark.exesvchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

Windows security bypass 2 TTPs 18 IoCs

Disable or Modify Tools

Modify Registry

Processes:

WaterMark.exesvchost.exerundll32mgr.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	svchost.exe

Executes dropped EXE 2 IoCs

Processes:

rundll32mgr.exeWaterMark.exe

pid process

2920 rundll32mgr.exe
2648 WaterMark.exe
Loads dropped DLL 4 IoCs

Processes:

rundll32.exerundll32mgr.exe

pid process

2436 rundll32.exe
2436 rundll32.exe
2920 rundll32mgr.exe
2920 rundll32mgr.exe

pid	process
2920	rundll32mgr.exe
2648	WaterMark.exe

pid	process
2436	rundll32.exe
2436	rundll32.exe
2920	rundll32mgr.exe
2920	rundll32mgr.exe

UPX packed file 14 IoCs

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

upx

Processes:

resource	yara_rule
behavioral31/memory/2920-18-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral31/memory/2920-17-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral31/memory/2920-33-0x0000000002640000-0x00000000036CE000-memory.dmp	upx
behavioral31/memory/2920-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral31/memory/2920-12-0x0000000002640000-0x00000000036CE000-memory.dmp	upx
behavioral31/memory/2920-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral31/memory/2920-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral31/memory/2920-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral31/memory/2920-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral31/memory/2648-42-0x0000000002670000-0x00000000036FE000-memory.dmp	upx
behavioral31/memory/2648-47-0x0000000002670000-0x00000000036FE000-memory.dmp	upx
behavioral31/memory/2648-52-0x0000000002670000-0x00000000036FE000-memory.dmp	upx
behavioral31/memory/2648-710-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral31/memory/2648-711-0x0000000002670000-0x00000000036FE000-memory.dmp	upx

Windows security modification 2 TTPs 14 IoCs

Disable or Modify Tools

Modify Registry

Processes:

rundll32mgr.exeWaterMark.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	rundll32mgr.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	WaterMark.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	WaterMark.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

rundll32mgr.exeWaterMark.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	WaterMark.exe

Enumerates connected drives 3 TTPs 16 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:

WaterMark.exesvchost.exe

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

Drops file in System32 directory 3 IoCs

Processes:

rundll32.exesvchost.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe
File created	C:\Windows\SysWOW64\dmlconf.dat	svchost.exe
File opened for modification	C:\Windows\SysWOW64\dmlconf.dat	svchost.exe

Drops file in Program Files directory 64 IoCs

Processes:

svchost.exerundll32mgr.exe

description	ioc	process
File opened for modification	C:\Program Files\Common Files\System\msadc\msdaprsr.dll	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\D3DCompiler_47.dll	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\iexplore.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\micaut.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPCEXT.DLL	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\ado\msadomd.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\IpsMigrationPlugin.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\TipBand.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\tiptsf.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\msadcer.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	svchost.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxF0E.tmp	rundll32mgr.exe
File opened for modification	C:\Program Files\7-Zip\7-zip.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\DirectDB.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\IpsPlugin.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\msadcor.dll	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\DiagnosticsHub_is.dll	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\F12.dll	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\JSProfilerCore.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\tipskins.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\tpcps.dll	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\VSTO\vstoee.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\ado\msador15.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\journal.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\tipresx.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\MSInfo\msinfo32.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\Peacock.htm	svchost.exe
File opened for modification	C:\Program Files\DVD Maker\PipeTran.dll	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\ado\msadrh15.dll	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\iedvtool.dll	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7z.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\Microsoft.Ink.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\mshwLatin.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\msadce.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\db\RELEASE-NOTES.html	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\msdaosp.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\sqlxmlx.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	svchost.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\mshwgst.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\TabIpsps.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\TabTip.exe	svchost.exe
File opened for modification	C:\Program Files\DVD Maker\Pipeline.dll	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\DiagnosticsHub.DataWarehouse.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\db\README-JDK.html	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\jsdbgui.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPWMI.DLL	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\msadds.dll	svchost.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\mshwjpn.dll	svchost.exe

Drops file in Windows directory 1 IoCs

Processes:

WaterMark.exe

description ioc process

File opened for modification C:\Windows\SYSTEM.INI WaterMark.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3024 2436 WerFault.exe rundll32.exe

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

pid	pid_target	process	target process
3024	2436	WerFault.exe	rundll32.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

WaterMark.exesvchost.exesvchost.exe

pid	process
2648	WaterMark.exe
2648	WaterMark.exe
2648	WaterMark.exe
2648	WaterMark.exe
2648	WaterMark.exe
2648	WaterMark.exe
2648	WaterMark.exe
2648	WaterMark.exe
2648	WaterMark.exe
1148	svchost.exe
1148	svchost.exe
2648	WaterMark.exe
1148	svchost.exe
1148	svchost.exe
2368	svchost.exe
1148	svchost.exe
1148	svchost.exe
2368	svchost.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

WaterMark.exesvchost.exerundll32.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	2648	WaterMark.exe
Token: SeDebugPrivilege	2648	WaterMark.exe
Token: SeDebugPrivilege	2648	WaterMark.exe
Token: SeDebugPrivilege	1148	svchost.exe
Token: SeDebugPrivilege	2648	WaterMark.exe
Token: SeDebugPrivilege	2436	rundll32.exe
Token: SeDebugPrivilege	2648	WaterMark.exe
Token: SeDebugPrivilege	2368	svchost.exe
Token: SeDebugPrivilege	2368	svchost.exe

Suspicious use of UnmapMainImage 2 IoCs

Processes:

rundll32mgr.exeWaterMark.exe

pid process

2920 rundll32mgr.exe
2648 WaterMark.exe

pid	process
2920	rundll32mgr.exe
2648	WaterMark.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

rundll32.exerundll32.exerundll32mgr.exeWaterMark.exesvchost.exe

description	pid	process	target process
PID 2276 wrote to memory of 2436	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2436	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2436	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2436	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2436	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2436	2276	rundll32.exe	rundll32.exe
PID 2276 wrote to memory of 2436	2276	rundll32.exe	rundll32.exe
PID 2436 wrote to memory of 2920	2436	rundll32.exe	rundll32mgr.exe
PID 2436 wrote to memory of 2920	2436	rundll32.exe	rundll32mgr.exe
PID 2436 wrote to memory of 2920	2436	rundll32.exe	rundll32mgr.exe
PID 2436 wrote to memory of 2920	2436	rundll32.exe	rundll32mgr.exe
PID 2436 wrote to memory of 3024	2436	rundll32.exe	WerFault.exe
PID 2436 wrote to memory of 3024	2436	rundll32.exe	WerFault.exe
PID 2436 wrote to memory of 3024	2436	rundll32.exe	WerFault.exe
PID 2436 wrote to memory of 3024	2436	rundll32.exe	WerFault.exe
PID 2920 wrote to memory of 2648	2920	rundll32mgr.exe	WaterMark.exe
PID 2920 wrote to memory of 2648	2920	rundll32mgr.exe	WaterMark.exe
PID 2920 wrote to memory of 2648	2920	rundll32mgr.exe	WaterMark.exe
PID 2920 wrote to memory of 2648	2920	rundll32mgr.exe	WaterMark.exe
PID 2648 wrote to memory of 2368	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 2368	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 2368	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 2368	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 2368	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 2368	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 2368	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 2368	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 2368	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 2368	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 1072	2648	WaterMark.exe	taskhost.exe
PID 2648 wrote to memory of 1128	2648	WaterMark.exe	Dwm.exe
PID 2648 wrote to memory of 1152	2648	WaterMark.exe	Explorer.EXE
PID 2648 wrote to memory of 1712	2648	WaterMark.exe	DllHost.exe
PID 2648 wrote to memory of 2276	2648	WaterMark.exe	rundll32.exe
PID 2648 wrote to memory of 2436	2648	WaterMark.exe	rundll32.exe
PID 2648 wrote to memory of 2436	2648	WaterMark.exe	rundll32.exe
PID 2648 wrote to memory of 3024	2648	WaterMark.exe	WerFault.exe
PID 2648 wrote to memory of 3024	2648	WaterMark.exe	WerFault.exe
PID 2648 wrote to memory of 1148	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 1148	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 1148	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 1148	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 1148	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 1148	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 1148	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 1148	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 1148	2648	WaterMark.exe	svchost.exe
PID 2648 wrote to memory of 1148	2648	WaterMark.exe	svchost.exe
PID 1148 wrote to memory of 260	1148	svchost.exe	smss.exe
PID 1148 wrote to memory of 260	1148	svchost.exe	smss.exe
PID 1148 wrote to memory of 260	1148	svchost.exe	smss.exe
PID 1148 wrote to memory of 260	1148	svchost.exe	smss.exe
PID 1148 wrote to memory of 260	1148	svchost.exe	smss.exe
PID 1148 wrote to memory of 340	1148	svchost.exe	csrss.exe
PID 1148 wrote to memory of 340	1148	svchost.exe	csrss.exe
PID 1148 wrote to memory of 340	1148	svchost.exe	csrss.exe
PID 1148 wrote to memory of 340	1148	svchost.exe	csrss.exe
PID 1148 wrote to memory of 340	1148	svchost.exe	csrss.exe
PID 1148 wrote to memory of 388	1148	svchost.exe	wininit.exe
PID 1148 wrote to memory of 388	1148	svchost.exe	wininit.exe
PID 1148 wrote to memory of 388	1148	svchost.exe	wininit.exe
PID 1148 wrote to memory of 388	1148	svchost.exe	wininit.exe
PID 1148 wrote to memory of 388	1148	svchost.exe	wininit.exe
PID 1148 wrote to memory of 400	1148	svchost.exe	csrss.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

rundll32mgr.exeWaterMark.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	WaterMark.exe

C:\Windows\System32\smss.exe
\SystemRoot\System32\smss.exe
1⤵
PID:260

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:340

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:388

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
2⤵
PID:484

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch
3⤵
PID:592

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
4⤵
PID:1712

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS
3⤵
PID:672

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
3⤵
PID:756

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
3⤵
PID:804

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
4⤵
PID:1128

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
3⤵
PID:840

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService
3⤵
PID:972

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService
3⤵
PID:284

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
3⤵
PID:1052

C:\Windows\system32\taskhost.exe
"taskhost.exe"
3⤵
PID:1072

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
3⤵
PID:1176

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
3⤵
PID:1736

C:\Windows\system32\sppsvc.exe
C:\Windows\system32\sppsvc.exe
3⤵
PID:2940

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
2⤵
PID:492

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
2⤵
PID:500

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:400

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:436

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1152

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\[DemonArchives]ddc0d08019efa4cc5f2a39de99cc0a85.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2276

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\[DemonArchives]ddc0d08019efa4cc5f2a39de99cc0a85.dll,#1
3⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2436

C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2920

C:\Program Files (x86)\Microsoft\WaterMark.exe
"C:\Program Files (x86)\Microsoft\WaterMark.exe"
5⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2648

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
6⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2368

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\svchost.exe
6⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 228
4⤵
- Program crash
PID:3024

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

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