c858e10e29b769ca86445ba1bebdf708e88245da4e96c4afc967818e8293e099

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	win.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	win.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	win.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\win.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\win.exe:*:enabled:@shell32.dll,-1"	win.exe

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"	win.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	win.exe

Windows security bypass 2 TTPs 1 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	win.exe

Windows security modification 2 TTPs 1 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	win.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\jwhk.exe = "C:\\Windows\\WindowsUpdata\\jwhk.exe"	win.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"	win.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\WindowsUpdata\.temp.fortest	win.exe
File created	C:\Windows\WindowsUpdata\jwhk.exe	win.exe
File opened for modification	C:\Windows\WindowsUpdata\jwhk.exe	win.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	win.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1552	win.exe
1552	win.exe

Suspicious behavior: MapViewOfSection 64 IoCs

pid	Process
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe
1552	win.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1552	win.exe
Token: SeBackupPrivilege	1552	win.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 648	1552	win.exe	5
PID 1552 wrote to memory of 648	1552	win.exe	5
PID 1552 wrote to memory of 648	1552	win.exe	5
PID 1552 wrote to memory of 648	1552	win.exe	5
PID 1552 wrote to memory of 648	1552	win.exe	5
PID 1552 wrote to memory of 648	1552	win.exe	5
PID 1552 wrote to memory of 704	1552	win.exe	7
PID 1552 wrote to memory of 704	1552	win.exe	7
PID 1552 wrote to memory of 704	1552	win.exe	7
PID 1552 wrote to memory of 704	1552	win.exe	7
PID 1552 wrote to memory of 704	1552	win.exe	7
PID 1552 wrote to memory of 704	1552	win.exe	7
PID 1552 wrote to memory of 828	1552	win.exe	8
PID 1552 wrote to memory of 828	1552	win.exe	8
PID 1552 wrote to memory of 828	1552	win.exe	8
PID 1552 wrote to memory of 828	1552	win.exe	8
PID 1552 wrote to memory of 828	1552	win.exe	8
PID 1552 wrote to memory of 828	1552	win.exe	8
PID 1552 wrote to memory of 832	1552	win.exe	9
PID 1552 wrote to memory of 832	1552	win.exe	9
PID 1552 wrote to memory of 832	1552	win.exe	9
PID 1552 wrote to memory of 832	1552	win.exe	9
PID 1552 wrote to memory of 832	1552	win.exe	9
PID 1552 wrote to memory of 832	1552	win.exe	9
PID 1552 wrote to memory of 824	1552	win.exe	10
PID 1552 wrote to memory of 824	1552	win.exe	10
PID 1552 wrote to memory of 824	1552	win.exe	10
PID 1552 wrote to memory of 824	1552	win.exe	10
PID 1552 wrote to memory of 824	1552	win.exe	10
PID 1552 wrote to memory of 824	1552	win.exe	10
PID 1552 wrote to memory of 952	1552	win.exe	11
PID 1552 wrote to memory of 952	1552	win.exe	11
PID 1552 wrote to memory of 952	1552	win.exe	11
PID 1552 wrote to memory of 952	1552	win.exe	11
PID 1552 wrote to memory of 952	1552	win.exe	11
PID 1552 wrote to memory of 952	1552	win.exe	11
PID 1552 wrote to memory of 1008	1552	win.exe	12
PID 1552 wrote to memory of 1008	1552	win.exe	12
PID 1552 wrote to memory of 1008	1552	win.exe	12
PID 1552 wrote to memory of 1008	1552	win.exe	12
PID 1552 wrote to memory of 1008	1552	win.exe	12
PID 1552 wrote to memory of 1008	1552	win.exe	12
PID 1552 wrote to memory of 488	1552	win.exe	13
PID 1552 wrote to memory of 488	1552	win.exe	13
PID 1552 wrote to memory of 488	1552	win.exe	13
PID 1552 wrote to memory of 488	1552	win.exe	13
PID 1552 wrote to memory of 488	1552	win.exe	13
PID 1552 wrote to memory of 488	1552	win.exe	13
PID 1552 wrote to memory of 788	1552	win.exe	14
PID 1552 wrote to memory of 788	1552	win.exe	14
PID 1552 wrote to memory of 788	1552	win.exe	14
PID 1552 wrote to memory of 788	1552	win.exe	14
PID 1552 wrote to memory of 788	1552	win.exe	14
PID 1552 wrote to memory of 788	1552	win.exe	14
PID 1552 wrote to memory of 1068	1552	win.exe	15
PID 1552 wrote to memory of 1068	1552	win.exe	15
PID 1552 wrote to memory of 1068	1552	win.exe	15
PID 1552 wrote to memory of 1068	1552	win.exe	15
PID 1552 wrote to memory of 1068	1552	win.exe	15
PID 1552 wrote to memory of 1068	1552	win.exe	15
PID 1552 wrote to memory of 1120	1552	win.exe	16
PID 1552 wrote to memory of 1120	1552	win.exe	16
PID 1552 wrote to memory of 1120	1552	win.exe	16
PID 1552 wrote to memory of 1120	1552	win.exe	16

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

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

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:648
- C:\Windows\system32\fontdrvhost.exe
  "fontdrvhost.exe"
  2⤵
  PID:828
- C:\Windows\system32\dwm.exe
  "dwm.exe"
  2⤵
  PID:488

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:704

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:832

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p
1⤵
PID:824
- C:\Windows\system32\wbem\unsecapp.exe
  C:\Windows\system32\wbem\unsecapp.exe -Embedding
  2⤵
  PID:3156
- C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
  "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
  2⤵
  PID:3760
- C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
  2⤵
  PID:3796
- C:\Windows\System32\RuntimeBroker.exe
  C:\Windows\System32\RuntimeBroker.exe -Embedding
  2⤵
  PID:3868
- C:\Windows\System32\RuntimeBroker.exe
  C:\Windows\System32\RuntimeBroker.exe -Embedding
  2⤵
  PID:3932
- C:\Windows\system32\DllHost.exe
  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
  2⤵
  PID:4004
- C:\Windows\system32\DllHost.exe
  C:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}
  2⤵
  PID:4220
- C:\Windows\system32\SppExtComObj.exe
  C:\Windows\system32\SppExtComObj.exe -Embedding
  2⤵
  PID:4648
- C:\Windows\system32\DllHost.exe
  C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
  2⤵
  PID:4952

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS -p
1⤵
PID:952

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:1008

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:788

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:1068

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
PID:1120

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:1128

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
1⤵
PID:1168

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1176

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
1⤵
PID:1236

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1244

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netprofm -p -s netprofm
1⤵
PID:1272

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:1408
- C:\Windows\system32\sihost.exe
  sihost.exe
  2⤵
  PID:3064

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1476

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
PID:1528

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1624

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1636

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p
1⤵
PID:1680

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1744

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1792

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1864

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1908

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1972

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1980

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:1052

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:2060

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
PID:2128

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
1⤵
PID:2184

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
PID:2248

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2372

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2484

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2492

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p
1⤵
PID:2568

C:\Windows\sysmon.exe
C:\Windows\sysmon.exe
1⤵
PID:2612

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2628

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
PID:2644

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2676

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
PID:2756

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2748

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3264
- C:\Users\Admin\AppData\Local\Temp\win.exe
  "C:\Users\Admin\AppData\Local\Temp\win.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - Windows security modification
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1552

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3492

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
1⤵
PID:3508

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc
1⤵
PID:4028

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k osprivacy -p -s camsvc
1⤵
PID:4500

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
1⤵
PID:3616

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:4540

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:812

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
PID:496

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
1⤵
PID:2108

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:4996

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
1⤵
PID:1732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Registry Run Keys / Startup Folder

T1547.001

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