ramnit | bcfd2b3be3c8da90f3bc95c0609b8f2c79faf9d81b97d969ef780794b2cab201

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

defense_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
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

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"	rundll32mgr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	WaterMark.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\AntiVirusOverride = "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"	rundll32mgr.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\UacDisableNotify = "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\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\FirewallDisableNotify = "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\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
2052	rundll32mgr.exe
2720	WaterMark.exe

Loads dropped DLL 4 IoCs

pid	Process
2360	rundll32.exe
2360	rundll32.exe
2052	rundll32mgr.exe
2052	rundll32mgr.exe

Windows security modification 2 TTPs 14 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\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\FirewallDisableNotify = "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\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\FirewallOverride = "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\UpdatesDisableNotify = "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\AntiVirusDisableNotify = "1"	WaterMark.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	WaterMark.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

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 1 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)	\??\E:	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 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2052-15-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2052-18-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2052-17-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2052-14-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2052-13-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2052-12-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2052-25-0x0000000002A20000-0x0000000003AAE000-memory.dmp	upx
behavioral1/memory/2052-30-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2052-11-0x0000000002A20000-0x0000000003AAE000-memory.dmp	upx
behavioral1/memory/2052-21-0x0000000002A20000-0x0000000003AAE000-memory.dmp	upx
behavioral1/memory/2052-26-0x0000000002A20000-0x0000000003AAE000-memory.dmp	upx
behavioral1/memory/2052-22-0x0000000002A20000-0x0000000003AAE000-memory.dmp	upx
behavioral1/memory/2052-28-0x0000000002A20000-0x0000000003AAE000-memory.dmp	upx
behavioral1/memory/2052-32-0x0000000002A20000-0x0000000003AAE000-memory.dmp	upx
behavioral1/memory/2052-31-0x0000000002A20000-0x0000000003AAE000-memory.dmp	upx
behavioral1/memory/2052-27-0x0000000002A20000-0x0000000003AAE000-memory.dmp	upx
behavioral1/memory/2052-71-0x0000000002A20000-0x0000000003AAE000-memory.dmp	upx
behavioral1/memory/2052-24-0x0000000002A20000-0x0000000003AAE000-memory.dmp	upx
behavioral1/memory/2720-144-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2720-143-0x0000000002780000-0x000000000380E000-memory.dmp	upx
behavioral1/memory/2720-532-0x0000000002780000-0x000000000380E000-memory.dmp	upx
behavioral1/memory/2720-541-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2720-845-0x0000000002780000-0x000000000380E000-memory.dmp	upx
behavioral1/memory/2720-844-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	rundll32mgr.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7-zip.dll	svchost.exe
File opened for modification	C:\Program Files\7-Zip\7-zip32.dll	svchost.exe
File opened for modification	C:\Program Files (x86)\Microsoft\pxE1D7.tmp	rundll32mgr.exe

Drops file in Windows directory 1 IoCs

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2568	2360	WerFault.exe	30

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
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

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2052	rundll32mgr.exe
2720	WaterMark.exe
2720	WaterMark.exe
2720	WaterMark.exe
2568	WerFault.exe
2568	WerFault.exe
2568	WerFault.exe
2568	WerFault.exe
2568	WerFault.exe
2720	WaterMark.exe
2720	WaterMark.exe
2720	WaterMark.exe
2720	WaterMark.exe
2720	WaterMark.exe
2720	WaterMark.exe
2388	svchost.exe

Suspicious use of AdjustPrivilegeToken 30 IoCs

description	pid	Process
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2052	rundll32mgr.exe
Token: SeDebugPrivilege	2720	WaterMark.exe
Token: SeDebugPrivilege	2720	WaterMark.exe
Token: SeDebugPrivilege	2568	WerFault.exe
Token: SeDebugPrivilege	2388	svchost.exe
Token: SeDebugPrivilege	2360	rundll32.exe
Token: SeDebugPrivilege	2568	WerFault.exe
Token: SeDebugPrivilege	2720	WaterMark.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2052	rundll32mgr.exe
2720	WaterMark.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2360	2580	rundll32.exe	30
PID 2580 wrote to memory of 2360	2580	rundll32.exe	30
PID 2580 wrote to memory of 2360	2580	rundll32.exe	30
PID 2580 wrote to memory of 2360	2580	rundll32.exe	30
PID 2580 wrote to memory of 2360	2580	rundll32.exe	30
PID 2580 wrote to memory of 2360	2580	rundll32.exe	30
PID 2580 wrote to memory of 2360	2580	rundll32.exe	30
PID 2360 wrote to memory of 2052	2360	rundll32.exe	31
PID 2360 wrote to memory of 2052	2360	rundll32.exe	31
PID 2360 wrote to memory of 2052	2360	rundll32.exe	31
PID 2360 wrote to memory of 2052	2360	rundll32.exe	31
PID 2360 wrote to memory of 2568	2360	rundll32.exe	32
PID 2360 wrote to memory of 2568	2360	rundll32.exe	32
PID 2360 wrote to memory of 2568	2360	rundll32.exe	32
PID 2360 wrote to memory of 2568	2360	rundll32.exe	32
PID 2052 wrote to memory of 1264	2052	rundll32mgr.exe	19
PID 2052 wrote to memory of 1348	2052	rundll32mgr.exe	20
PID 2052 wrote to memory of 1408	2052	rundll32mgr.exe	21
PID 2052 wrote to memory of 1708	2052	rundll32mgr.exe	23
PID 2052 wrote to memory of 2580	2052	rundll32mgr.exe	29
PID 2052 wrote to memory of 2360	2052	rundll32mgr.exe	30
PID 2052 wrote to memory of 2360	2052	rundll32mgr.exe	30
PID 2052 wrote to memory of 2568	2052	rundll32mgr.exe	32
PID 2052 wrote to memory of 2568	2052	rundll32mgr.exe	32
PID 2052 wrote to memory of 2720	2052	rundll32mgr.exe	34
PID 2052 wrote to memory of 2720	2052	rundll32mgr.exe	34
PID 2052 wrote to memory of 2720	2052	rundll32mgr.exe	34
PID 2052 wrote to memory of 2720	2052	rundll32mgr.exe	34
PID 2720 wrote to memory of 1264	2720	WaterMark.exe	19
PID 2720 wrote to memory of 1172	2720	WaterMark.exe	35
PID 2720 wrote to memory of 1172	2720	WaterMark.exe	35
PID 2720 wrote to memory of 1172	2720	WaterMark.exe	35
PID 2720 wrote to memory of 1172	2720	WaterMark.exe	35
PID 2720 wrote to memory of 1172	2720	WaterMark.exe	35
PID 2720 wrote to memory of 1172	2720	WaterMark.exe	35
PID 2720 wrote to memory of 1172	2720	WaterMark.exe	35
PID 2720 wrote to memory of 1172	2720	WaterMark.exe	35
PID 2720 wrote to memory of 1172	2720	WaterMark.exe	35
PID 2720 wrote to memory of 1172	2720	WaterMark.exe	35
PID 2720 wrote to memory of 1348	2720	WaterMark.exe	20
PID 2720 wrote to memory of 1408	2720	WaterMark.exe	21
PID 2720 wrote to memory of 1708	2720	WaterMark.exe	23
PID 2720 wrote to memory of 2580	2720	WaterMark.exe	29
PID 2720 wrote to memory of 2052	2720	WaterMark.exe	31
PID 2720 wrote to memory of 2388	2720	WaterMark.exe	36
PID 2720 wrote to memory of 2388	2720	WaterMark.exe	36
PID 2720 wrote to memory of 2388	2720	WaterMark.exe	36
PID 2720 wrote to memory of 2388	2720	WaterMark.exe	36
PID 2720 wrote to memory of 2388	2720	WaterMark.exe	36
PID 2720 wrote to memory of 2388	2720	WaterMark.exe	36
PID 2720 wrote to memory of 2388	2720	WaterMark.exe	36
PID 2720 wrote to memory of 2388	2720	WaterMark.exe	36
PID 2720 wrote to memory of 2388	2720	WaterMark.exe	36
PID 2720 wrote to memory of 2388	2720	WaterMark.exe	36
PID 2388 wrote to memory of 256	2388	svchost.exe	1
PID 2388 wrote to memory of 256	2388	svchost.exe	1
PID 2388 wrote to memory of 256	2388	svchost.exe	1
PID 2388 wrote to memory of 256	2388	svchost.exe	1
PID 2388 wrote to memory of 256	2388	svchost.exe	1
PID 2388 wrote to memory of 332	2388	svchost.exe	2
PID 2388 wrote to memory of 332	2388	svchost.exe	2
PID 2388 wrote to memory of 332	2388	svchost.exe	2
PID 2388 wrote to memory of 332	2388	svchost.exe	2
PID 2388 wrote to memory of 332	2388	svchost.exe	2

System policy modification 1 TTPs 2 IoCs

defense_evasion

Modify Registry

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: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:360
- C:\Windows\system32\services.exe
  C:\Windows\system32\services.exe
  2⤵
  PID:464
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:600
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1708
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:1840
- - 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:760
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:808
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1348
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:852
  - - C:\Windows\system32\wbem\WMIADAP.EXE
      wmiadap.exe /F /T /R
      4⤵
      PID:2024
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:996
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:292
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:284
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1036
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1264
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1208
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:688
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2168
- C:\Windows\system32\lsass.exe
  C:\Windows\system32\lsass.exe
  2⤵
  PID:480
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:488

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:384

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:420

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1408
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bcfd2b3be3c8da90f3bc95c0609b8f2c79faf9d81b97d969ef780794b2cab201.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\bcfd2b3be3c8da90f3bc95c0609b8f2c79faf9d81b97d969ef780794b2cab201.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:2360
  - - 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
      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:2052
    - - 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
        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:2720
      - 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:1172
      - 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:2388
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 228
      4⤵
      Program crash
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2568

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