ramnit | 58bec55eedf8fa5694bf7f066dacb4cb2f71dde04b7aa7f186e15656994c2f82

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 3 IoCs

evasion

Modify Registry

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
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\DisableNotifications = "1"	rundll32mgr.exe

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

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

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

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
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"	rundll32mgr.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\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\UpdatesDisableNotify = "1"	rundll32mgr.exe

Executes dropped EXE 2 IoCs

pid	Process
2780	rundll32mgr.exe
1632	WaterMark.exe

Loads dropped DLL 4 IoCs

pid	Process
2676	rundll32.exe
2676	rundll32.exe
2780	rundll32mgr.exe
2780	rundll32mgr.exe

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

Modify Registry

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

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

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

Drops file in System32 directory 3 IoCs

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

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2780-17-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2780-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2780-23-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2780-22-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2780-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2780-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2780-26-0x00000000025D0000-0x000000000365E000-memory.dmp	upx
behavioral1/memory/2780-21-0x00000000025D0000-0x000000000365E000-memory.dmp	upx
behavioral1/memory/2780-29-0x00000000025D0000-0x000000000365E000-memory.dmp	upx
behavioral1/memory/2780-28-0x00000000025D0000-0x000000000365E000-memory.dmp	upx
behavioral1/memory/1632-78-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2780-57-0x00000000025D0000-0x000000000365E000-memory.dmp	upx
behavioral1/memory/2780-30-0x00000000025D0000-0x000000000365E000-memory.dmp	upx
behavioral1/memory/2780-25-0x00000000025D0000-0x000000000365E000-memory.dmp	upx
behavioral1/memory/2780-32-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2780-20-0x00000000025D0000-0x000000000365E000-memory.dmp	upx
behavioral1/memory/2780-31-0x00000000025D0000-0x000000000365E000-memory.dmp	upx
behavioral1/memory/2780-13-0x00000000025D0000-0x000000000365E000-memory.dmp	upx
behavioral1/memory/2780-27-0x00000000025D0000-0x000000000365E000-memory.dmp	upx
behavioral1/memory/1632-103-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jsound.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javafx-iio.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\fr\System.RunTime.Serialization.Resources.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\System.Management.Instrumentation.Resources.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\System.Data.Services.Design.resources.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\dialogs\create_stream.html	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\codec\libdca_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\d3dcompiler_47.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\access\libattachment_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\access\libhttp_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\video_chroma\libswscale_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\ConvertInkStore.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\en-US\MSTTSFrontendENU.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\oledb32.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\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.feature_3.9.1.v20140827-1444\license.html	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\OFFICE14\Csi.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\epl-v10.html	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.emf.ecore_2.10.1.v20140901-1043\epl-v10.html	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\video_output\libdirect3d11_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nss3.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\audio_output\libamem_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\packetizer\libpacketizer_mpeg4video_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\video_output\libyuv_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\sunec.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\System.IO.Log.Resources.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\access_output\libaccess_output_rist_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\control\libgestures_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jre7\bin\management.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\demux\libplaylist_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\keystore\libmemory_keystore_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\msadcs.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Data.Services.Design.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\control\libwin_msg_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\ieproxy.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\fxplugins.dll	svchost.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\ONLNTCOMLIB.DLL	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\System.Runtime.Serialization.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\de\System.Data.Entity.Resources.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\demux\libvoc_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\System.IdentityModel.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\audio_filter\libstereo_widen_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\lua\http\dialogs\equalizer_window.html	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\access\libfilesystem_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\video_output\libdrawable_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\stream_filter\libadf_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\video_output\libwgl_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\verify.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.rcp_4.4.0.v20141007-2301\license.html	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\Timeline_is.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\access\libdcp_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\mux\libmux_dummy_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\mux\libmux_ps_plugin.dll	svchost.exe
File opened for modification	C:\Program Files\Mozilla Firefox\freebl3.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\fr\PresentationBuildTasks.resources.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\System.IO.Log.dll	svchost.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\plugins\stream_out\libstream_out_duplicate_plugin.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\tpcps.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ReachFramework.dll	svchost.exe
File opened for modification	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\Microsoft.Build.Conversion.v3.5.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	svchost.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	rundll32mgr.exe

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WaterMark.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441783044"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{0897F551-C734-11EF-90A9-D60C98DC526F} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2780	rundll32mgr.exe
1632	WaterMark.exe
1632	WaterMark.exe
1632	WaterMark.exe
1632	WaterMark.exe
1632	WaterMark.exe
1632	WaterMark.exe
1632	WaterMark.exe
1632	WaterMark.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	2780	rundll32mgr.exe
Token: SeDebugPrivilege	1632	WaterMark.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2032	iexplore.exe
2032	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2032	iexplore.exe
2032	iexplore.exe
2032	iexplore.exe
2032	iexplore.exe
2844	IEXPLORE.EXE
2844	IEXPLORE.EXE
1800	IEXPLORE.EXE
1800	IEXPLORE.EXE
1800	IEXPLORE.EXE
1800	IEXPLORE.EXE

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2780	rundll32mgr.exe
1632	WaterMark.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 1420 wrote to memory of 2676	1420	rundll32.exe	30
PID 2676 wrote to memory of 2780	2676	rundll32.exe	31
PID 2676 wrote to memory of 2780	2676	rundll32.exe	31
PID 2676 wrote to memory of 2780	2676	rundll32.exe	31
PID 2676 wrote to memory of 2780	2676	rundll32.exe	31
PID 2780 wrote to memory of 1112	2780	rundll32mgr.exe	19
PID 2780 wrote to memory of 1168	2780	rundll32mgr.exe	20
PID 2780 wrote to memory of 1196	2780	rundll32mgr.exe	21
PID 2780 wrote to memory of 1304	2780	rundll32mgr.exe	23
PID 2780 wrote to memory of 1632	2780	rundll32mgr.exe	32
PID 2780 wrote to memory of 1632	2780	rundll32mgr.exe	32
PID 2780 wrote to memory of 1632	2780	rundll32mgr.exe	32
PID 2780 wrote to memory of 1632	2780	rundll32mgr.exe	32
PID 1632 wrote to memory of 2992	1632	WaterMark.exe	33
PID 1632 wrote to memory of 2992	1632	WaterMark.exe	33
PID 1632 wrote to memory of 2992	1632	WaterMark.exe	33
PID 1632 wrote to memory of 2992	1632	WaterMark.exe	33
PID 1632 wrote to memory of 2992	1632	WaterMark.exe	33
PID 1632 wrote to memory of 2992	1632	WaterMark.exe	33
PID 1632 wrote to memory of 2992	1632	WaterMark.exe	33
PID 1632 wrote to memory of 2992	1632	WaterMark.exe	33
PID 1632 wrote to memory of 2992	1632	WaterMark.exe	33
PID 1632 wrote to memory of 2992	1632	WaterMark.exe	33
PID 1632 wrote to memory of 1716	1632	WaterMark.exe	34
PID 1632 wrote to memory of 1716	1632	WaterMark.exe	34
PID 1632 wrote to memory of 1716	1632	WaterMark.exe	34
PID 1632 wrote to memory of 1716	1632	WaterMark.exe	34
PID 1632 wrote to memory of 2032	1632	WaterMark.exe	35
PID 1632 wrote to memory of 2032	1632	WaterMark.exe	35
PID 1632 wrote to memory of 2032	1632	WaterMark.exe	35
PID 1632 wrote to memory of 2032	1632	WaterMark.exe	35
PID 2032 wrote to memory of 2844	2032	iexplore.exe	36
PID 2032 wrote to memory of 2844	2032	iexplore.exe	36
PID 2032 wrote to memory of 2844	2032	iexplore.exe	36
PID 2032 wrote to memory of 2844	2032	iexplore.exe	36
PID 2032 wrote to memory of 1800	2032	iexplore.exe	37
PID 2032 wrote to memory of 1800	2032	iexplore.exe	37
PID 2032 wrote to memory of 1800	2032	iexplore.exe	37
PID 2032 wrote to memory of 1800	2032	iexplore.exe	37

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

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

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\58bec55eedf8fa5694bf7f066dacb4cb2f71dde04b7aa7f186e15656994c2f82N.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\58bec55eedf8fa5694bf7f066dacb4cb2f71dde04b7aa7f186e15656994c2f82N.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2676
  - - 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 Windows directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:2780
    - - C:\Program Files (x86)\Microsoft\WaterMark.exe
        
        "C:\Program Files (x86)\Microsoft\WaterMark.exe"
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of UnmapMainImage
        Suspicious use of WriteProcessMemory
        
        PID:1632
      - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        6⤵
        Modifies WinLogon for persistence
        Drops file in System32 directory
        Drops file in Program Files directory
        System Location Discovery: System Language Discovery
        
        PID:2992
      - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        6⤵
        
        PID:1716
      - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2032
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2032 CREDAT:275457 /prefetch:2
        7⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2844
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2032 CREDAT:209923 /prefetch:2
        7⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1800

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry