ramnit | 912629688f399c90eaf29b8b2643bf8916cb3ad6ac70600836fc8f29aa748ddf

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 6 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"	WaterMark.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"	svchost.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

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

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
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\AntiVirusOverride = "1"	svchost.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\UacDisableNotify = "1"	svchost.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\FirewallDisableNotify = "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\UpdatesDisableNotify = "1"	svchost.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\AntiVirusDisableNotify = "1"	WaterMark.exe

Executes dropped EXE 2 IoCs

pid	Process
2188	rundll32mgr.exe
2624	WaterMark.exe

Loads dropped DLL 4 IoCs

pid	Process
2184	rundll32.exe
2184	rundll32.exe
2188	rundll32mgr.exe
2188	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\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\UacDisableNotify = "1"	WaterMark.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	WaterMark.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"	WaterMark.exe

Enumerates connected drives 3 TTPs 14 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

description	ioc	Process
File opened (read-only)	\??\H:	WaterMark.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\I:	WaterMark.exe
File opened (read-only)	\??\M:	WaterMark.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\E:	WaterMark.exe
File opened (read-only)	\??\G:	WaterMark.exe
File opened (read-only)	\??\L:	WaterMark.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\J:	WaterMark.exe
File opened (read-only)	\??\K:	WaterMark.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 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2188-18-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2188-17-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2188-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2188-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2188-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2188-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2188-12-0x0000000002870000-0x00000000038FE000-memory.dmp	upx
behavioral1/memory/2188-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2624-48-0x0000000000400000-0x0000000000434000-memory.dmp	upx
behavioral1/memory/2188-47-0x0000000002870000-0x00000000038FE000-memory.dmp	upx
behavioral1/memory/2624-36-0x0000000002870000-0x00000000038FE000-memory.dmp	upx
behavioral1/memory/2624-42-0x0000000002870000-0x00000000038FE000-memory.dmp	upx
behavioral1/memory/2624-43-0x0000000002870000-0x00000000038FE000-memory.dmp	upx
behavioral1/memory/2624-55-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2624-41-0x0000000002870000-0x00000000038FE000-memory.dmp	upx
behavioral1/memory/2624-35-0x0000000002870000-0x00000000038FE000-memory.dmp	upx
behavioral1/memory/2624-50-0x0000000002870000-0x00000000038FE000-memory.dmp	upx
behavioral1/memory/2624-114-0x0000000002870000-0x00000000038FE000-memory.dmp	upx
behavioral1/memory/2624-449-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2624-749-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2624-750-0x0000000002870000-0x00000000038FE000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\System\msadc\msadds.dll	svchost.exe
File opened for modification	C:\Program Files\DVD Maker\OmdProject.dll	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\eventlog_provider.dll	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\vk_swiftshader.dll	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\iedvtool.dll	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\jsdbgui.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Filters\msgfilt.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\IPSEventLogMsg.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\JSProfilerCore.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.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\Common Files\Microsoft Shared\VC\msdia90.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\Internet Explorer\pdmproxy100.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	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\Common Files\Microsoft Shared\MSInfo\msinfo32.exe	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\ielowutil.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\rtscom.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\OFFICE14\MSOXMLMF.DLL	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\Ole DB\msdasqlr.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\ieproxy.dll	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\Common Files\Microsoft Shared\Filters\odffilt.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\InkDiv.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\Microsoft Shared\ink\TabTip.exe	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\jsdebuggeride.dll	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\FlickLearningWizard.exe	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\Common Files\Microsoft Shared\ink\micaut.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\TipRes.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\Common Files\Microsoft Shared\Stationery\Bears.htm	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\Stationery\Roses.htm	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\msadc\msdarem.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\System\wab32res.dll	svchost.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	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\Java\jdk1.7.0_80\bin\pack200.exe	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\vulkan-1.dll	svchost.exe
File opened for modification	C:\Program Files\Internet Explorer\networkinspection.dll	svchost.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE	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\Common Files\Microsoft Shared\Stationery\Stars.htm	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\VSTO\10.0\1033\VSTOInstallerUI.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\Common Files\System\msadc\msadcer.dll	svchost.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome.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\Microsoft Shared\Filters\VISFILT.DLL	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\dicjp.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\msdbg2.dll	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\VSTO\10.0\1033\VSTOLoaderUI.dll	svchost.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	svchost.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\ink\mshwLatin.dll	svchost.exe

Drops file in Windows directory 1 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2708	2184	WerFault.exe	28

System Location Discovery: System Language Discovery 1 TTPs 5 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	svchost.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
2624	WaterMark.exe
2624	WaterMark.exe
2624	WaterMark.exe
2708	WerFault.exe
2708	WerFault.exe
2708	WerFault.exe
2708	WerFault.exe
2708	WerFault.exe
2624	WaterMark.exe
2624	WaterMark.exe
2624	WaterMark.exe
2624	WaterMark.exe
2624	WaterMark.exe
2624	WaterMark.exe
2744	svchost.exe
2744	svchost.exe
2624	WaterMark.exe
2744	svchost.exe
2744	svchost.exe
2988	svchost.exe
2744	svchost.exe
2744	svchost.exe
2988	svchost.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	2624	WaterMark.exe
Token: SeDebugPrivilege	2624	WaterMark.exe
Token: SeDebugPrivilege	2624	WaterMark.exe
Token: SeDebugPrivilege	2708	WerFault.exe
Token: SeDebugPrivilege	2744	svchost.exe
Token: SeDebugPrivilege	2708	WerFault.exe
Token: SeDebugPrivilege	2184	rundll32.exe
Token: SeDebugPrivilege	2624	WaterMark.exe
Token: SeDebugPrivilege	2624	WaterMark.exe
Token: SeDebugPrivilege	2988	svchost.exe
Token: SeDebugPrivilege	2988	svchost.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2188	rundll32mgr.exe
2624	WaterMark.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2184	3044	rundll32.exe	28
PID 3044 wrote to memory of 2184	3044	rundll32.exe	28
PID 3044 wrote to memory of 2184	3044	rundll32.exe	28
PID 3044 wrote to memory of 2184	3044	rundll32.exe	28
PID 3044 wrote to memory of 2184	3044	rundll32.exe	28
PID 3044 wrote to memory of 2184	3044	rundll32.exe	28
PID 3044 wrote to memory of 2184	3044	rundll32.exe	28
PID 2184 wrote to memory of 2188	2184	rundll32.exe	29
PID 2184 wrote to memory of 2188	2184	rundll32.exe	29
PID 2184 wrote to memory of 2188	2184	rundll32.exe	29
PID 2184 wrote to memory of 2188	2184	rundll32.exe	29
PID 2184 wrote to memory of 2708	2184	rundll32.exe	30
PID 2184 wrote to memory of 2708	2184	rundll32.exe	30
PID 2184 wrote to memory of 2708	2184	rundll32.exe	30
PID 2184 wrote to memory of 2708	2184	rundll32.exe	30
PID 2188 wrote to memory of 2624	2188	rundll32mgr.exe	31
PID 2188 wrote to memory of 2624	2188	rundll32mgr.exe	31
PID 2188 wrote to memory of 2624	2188	rundll32mgr.exe	31
PID 2188 wrote to memory of 2624	2188	rundll32mgr.exe	31
PID 2624 wrote to memory of 2988	2624	WaterMark.exe	32
PID 2624 wrote to memory of 2988	2624	WaterMark.exe	32
PID 2624 wrote to memory of 2988	2624	WaterMark.exe	32
PID 2624 wrote to memory of 2988	2624	WaterMark.exe	32
PID 2624 wrote to memory of 2988	2624	WaterMark.exe	32
PID 2624 wrote to memory of 2988	2624	WaterMark.exe	32
PID 2624 wrote to memory of 2988	2624	WaterMark.exe	32
PID 2624 wrote to memory of 2988	2624	WaterMark.exe	32
PID 2624 wrote to memory of 2988	2624	WaterMark.exe	32
PID 2624 wrote to memory of 2988	2624	WaterMark.exe	32
PID 2624 wrote to memory of 1120	2624	WaterMark.exe	19
PID 2624 wrote to memory of 1172	2624	WaterMark.exe	20
PID 2624 wrote to memory of 1200	2624	WaterMark.exe	21
PID 2624 wrote to memory of 1584	2624	WaterMark.exe	23
PID 2624 wrote to memory of 3044	2624	WaterMark.exe	27
PID 2624 wrote to memory of 2184	2624	WaterMark.exe	28
PID 2624 wrote to memory of 2184	2624	WaterMark.exe	28
PID 2624 wrote to memory of 2708	2624	WaterMark.exe	30
PID 2624 wrote to memory of 2708	2624	WaterMark.exe	30
PID 2624 wrote to memory of 2744	2624	WaterMark.exe	33
PID 2624 wrote to memory of 2744	2624	WaterMark.exe	33
PID 2624 wrote to memory of 2744	2624	WaterMark.exe	33
PID 2624 wrote to memory of 2744	2624	WaterMark.exe	33
PID 2624 wrote to memory of 2744	2624	WaterMark.exe	33
PID 2624 wrote to memory of 2744	2624	WaterMark.exe	33
PID 2624 wrote to memory of 2744	2624	WaterMark.exe	33
PID 2624 wrote to memory of 2744	2624	WaterMark.exe	33
PID 2624 wrote to memory of 2744	2624	WaterMark.exe	33
PID 2624 wrote to memory of 2744	2624	WaterMark.exe	33
PID 2744 wrote to memory of 256	2744	svchost.exe	1
PID 2744 wrote to memory of 256	2744	svchost.exe	1
PID 2744 wrote to memory of 256	2744	svchost.exe	1
PID 2744 wrote to memory of 256	2744	svchost.exe	1
PID 2744 wrote to memory of 256	2744	svchost.exe	1
PID 2744 wrote to memory of 332	2744	svchost.exe	2
PID 2744 wrote to memory of 332	2744	svchost.exe	2
PID 2744 wrote to memory of 332	2744	svchost.exe	2
PID 2744 wrote to memory of 332	2744	svchost.exe	2
PID 2744 wrote to memory of 332	2744	svchost.exe	2
PID 2744 wrote to memory of 372	2744	svchost.exe	3
PID 2744 wrote to memory of 372	2744	svchost.exe	3
PID 2744 wrote to memory of 372	2744	svchost.exe	3
PID 2744 wrote to memory of 372	2744	svchost.exe	3
PID 2744 wrote to memory of 372	2744	svchost.exe	3
PID 2744 wrote to memory of 396	2744	svchost.exe	4

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"	WaterMark.exe

C:\Windows\System32\smss.exe
\SystemRoot\System32\smss.exe
1⤵
PID:256

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:332

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:372
- C:\Windows\system32\services.exe
  C:\Windows\system32\services.exe
  2⤵
  PID:476
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:612
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1584
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:676
- - 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:828
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1172
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:872
  - - C:\Windows\system32\wbem\WMIADAP.EXE
      wmiadap.exe /F /T /R
      4⤵
      PID:2496
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:980
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:272
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:388
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1080
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1120
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:1836
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:1196
- 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:396

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\912629688f399c90eaf29b8b2643bf8916cb3ad6ac70600836fc8f29aa748ddf.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\912629688f399c90eaf29b8b2643bf8916cb3ad6ac70600836fc8f29aa748ddf.dll,#1
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2184
  - - C:\Windows\SysWOW64\rundll32mgr.exe
      C:\Windows\SysWOW64\rundll32mgr.exe
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious use of UnmapMainImage
      Suspicious use of WriteProcessMemory
      PID:2188
    - - 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
        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:2624
      - 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
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2988
      - C:\Windows\SysWOW64\svchost.exe
        
        C:\Windows\system32\svchost.exe
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2744
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 224
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2708

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