sality | 325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060ed

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\DisableNotifications = "1"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	@AE7138.tmp.exe

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe

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"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	WdExt.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\UacDisableNotify = "1"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	@AE7138.tmp.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	@AE7138.tmp.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	WdExt.exe

Executes dropped EXE 4 IoCs

pid	Process
3872	@AE7138.tmp.exe
4044	325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe
4796	WdExt.exe
4804	mscaps.exe

Loads dropped DLL 1 IoCs

pid	Process
3872	@AE7138.tmp.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\AntiVirusDisableNotify = "1"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	@AE7138.tmp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	WdExt.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	WdExt.exe

Adds Run key to start application 2 TTPs 2 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\RavTimeXP = "C:\\WINDOWS\\Mstray.exe"	325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Defender Extension = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Defender\\launch.exe\""	launch.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"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	WdExt.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\mscaps.exe	wtmps.exe
File created	C:\Windows\SysWOW64\mscaps.exe	wtmps.exe

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3872-28-0x0000000002270000-0x000000000332A000-memory.dmp	upx
behavioral2/memory/3872-27-0x0000000002270000-0x000000000332A000-memory.dmp	upx
behavioral2/memory/3872-34-0x0000000002270000-0x000000000332A000-memory.dmp	upx
behavioral2/memory/3872-35-0x0000000002270000-0x000000000332A000-memory.dmp	upx
behavioral2/memory/3872-517-0x0000000002270000-0x000000000332A000-memory.dmp	upx
behavioral2/memory/3872-593-0x0000000002270000-0x000000000332A000-memory.dmp	upx
behavioral2/memory/3872-594-0x0000000002270000-0x000000000332A000-memory.dmp	upx
behavioral2/memory/3872-665-0x0000000002270000-0x000000000332A000-memory.dmp	upx
behavioral2/memory/3872-673-0x0000000002270000-0x000000000332A000-memory.dmp	upx
behavioral2/memory/3872-672-0x0000000002270000-0x000000000332A000-memory.dmp	upx
behavioral2/memory/3872-674-0x0000000002270000-0x000000000332A000-memory.dmp	upx
behavioral2/memory/3872-699-0x0000000002270000-0x000000000332A000-memory.dmp	upx
behavioral2/memory/4796-716-0x0000000002230000-0x00000000032EA000-memory.dmp	upx
behavioral2/memory/4796-717-0x0000000002230000-0x00000000032EA000-memory.dmp	upx
behavioral2/memory/4796-718-0x0000000002230000-0x00000000032EA000-memory.dmp	upx
behavioral2/memory/4796-719-0x0000000002230000-0x00000000032EA000-memory.dmp	upx
behavioral2/memory/4796-720-0x0000000002230000-0x00000000032EA000-memory.dmp	upx
behavioral2/memory/4796-725-0x0000000002230000-0x00000000032EA000-memory.dmp	upx
behavioral2/memory/4796-726-0x0000000002230000-0x00000000032EA000-memory.dmp	upx
behavioral2/memory/4796-728-0x0000000002230000-0x00000000032EA000-memory.dmp	upx
behavioral2/memory/4796-729-0x0000000002230000-0x00000000032EA000-memory.dmp	upx
behavioral2/memory/4796-731-0x0000000002230000-0x00000000032EA000-memory.dmp	upx
behavioral2/memory/4796-732-0x0000000002230000-0x00000000032EA000-memory.dmp	upx
behavioral2/memory/4796-733-0x0000000002230000-0x00000000032EA000-memory.dmp	upx
behavioral2/memory/4796-734-0x0000000002230000-0x00000000032EA000-memory.dmp	upx
behavioral2/memory/4796-735-0x0000000002230000-0x00000000032EA000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\e57738a	@AE7138.tmp.exe
File opened for modification	C:\Windows\SYSTEM.INI	@AE7138.tmp.exe
File created	C:\WINDOWS\Mstray.exe	325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe
File opened for modification	C:\WINDOWS\Mstray.exe	325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 11 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	325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	@AE7138.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	launch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WdExt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wtmps.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3872	@AE7138.tmp.exe
3872	@AE7138.tmp.exe
3872	@AE7138.tmp.exe
3872	@AE7138.tmp.exe
2988	launch.exe
2988	launch.exe
2988	launch.exe
2988	launch.exe
2988	launch.exe
2988	launch.exe
2988	launch.exe
2988	launch.exe
2988	launch.exe
2988	launch.exe
2988	launch.exe
2988	launch.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe
Token: SeDebugPrivilege	3872	@AE7138.tmp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4044	325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 664 wrote to memory of 5052	664	325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe	83
PID 664 wrote to memory of 5052	664	325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe	83
PID 664 wrote to memory of 5052	664	325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe	83
PID 664 wrote to memory of 5052	664	325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe	83
PID 664 wrote to memory of 5052	664	325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe	83
PID 5052 wrote to memory of 3872	5052	explorer.exe	84
PID 5052 wrote to memory of 3872	5052	explorer.exe	84
PID 5052 wrote to memory of 3872	5052	explorer.exe	84
PID 5052 wrote to memory of 4044	5052	explorer.exe	85
PID 5052 wrote to memory of 4044	5052	explorer.exe	85
PID 5052 wrote to memory of 4044	5052	explorer.exe	85
PID 3872 wrote to memory of 792	3872	@AE7138.tmp.exe	9
PID 3872 wrote to memory of 800	3872	@AE7138.tmp.exe	10
PID 3872 wrote to memory of 60	3872	@AE7138.tmp.exe	13
PID 3872 wrote to memory of 2964	3872	@AE7138.tmp.exe	51
PID 3872 wrote to memory of 3024	3872	@AE7138.tmp.exe	52
PID 3872 wrote to memory of 2636	3872	@AE7138.tmp.exe	53
PID 3872 wrote to memory of 3436	3872	@AE7138.tmp.exe	56
PID 3872 wrote to memory of 3564	3872	@AE7138.tmp.exe	57
PID 3872 wrote to memory of 3740	3872	@AE7138.tmp.exe	58
PID 3872 wrote to memory of 3840	3872	@AE7138.tmp.exe	59
PID 3872 wrote to memory of 3904	3872	@AE7138.tmp.exe	60
PID 3872 wrote to memory of 3992	3872	@AE7138.tmp.exe	61
PID 3872 wrote to memory of 4112	3872	@AE7138.tmp.exe	62
PID 3872 wrote to memory of 2316	3872	@AE7138.tmp.exe	64
PID 3872 wrote to memory of 1800	3872	@AE7138.tmp.exe	76
PID 3872 wrote to memory of 2120	3872	@AE7138.tmp.exe	81
PID 3872 wrote to memory of 5052	3872	@AE7138.tmp.exe	83
PID 3872 wrote to memory of 4044	3872	@AE7138.tmp.exe	85
PID 3872 wrote to memory of 4956	3872	@AE7138.tmp.exe	86
PID 3872 wrote to memory of 4956	3872	@AE7138.tmp.exe	86
PID 3872 wrote to memory of 4956	3872	@AE7138.tmp.exe	86
PID 3872 wrote to memory of 4128	3872	@AE7138.tmp.exe	87
PID 3872 wrote to memory of 4128	3872	@AE7138.tmp.exe	87
PID 3872 wrote to memory of 4128	3872	@AE7138.tmp.exe	87
PID 4956 wrote to memory of 4796	4956	cmd.exe	90
PID 4956 wrote to memory of 4796	4956	cmd.exe	90
PID 4956 wrote to memory of 4796	4956	cmd.exe	90
PID 2176 wrote to memory of 2988	2176	cmd.exe	97
PID 2176 wrote to memory of 2988	2176	cmd.exe	97
PID 2176 wrote to memory of 2988	2176	cmd.exe	97
PID 2988 wrote to memory of 2552	2988	launch.exe	98
PID 2988 wrote to memory of 2552	2988	launch.exe	98
PID 2988 wrote to memory of 2552	2988	launch.exe	98
PID 2552 wrote to memory of 2344	2552	cmd.exe	100
PID 2552 wrote to memory of 2344	2552	cmd.exe	100
PID 2552 wrote to memory of 2344	2552	cmd.exe	100
PID 2344 wrote to memory of 4804	2344	wtmps.exe	101
PID 2344 wrote to memory of 4804	2344	wtmps.exe	101
PID 2344 wrote to memory of 4804	2344	wtmps.exe	101

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"	@AE7138.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	WdExt.exe

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:792

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:800

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:60

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2964

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:3024

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2636

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3436
- C:\Users\Admin\AppData\Local\Temp\325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe
  "C:\Users\Admin\AppData\Local\Temp\325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:664
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5052
  - - C:\Users\Admin\AppData\Local\Temp\@AE7138.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\@AE7138.tmp.exe"
      4⤵
      Modifies firewall policy service
      UAC bypass
      Windows security bypass
      Checks computer location settings
      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 WriteProcessMemory
      System policy modification
      PID:3872
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat" "
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4956
      - C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe"
        6⤵
        Modifies firewall policy service
        UAC bypass
        Windows security bypass
        Checks computer location settings
        Executes dropped EXE
        Windows security modification
        Checks whether UAC is enabled
        System Location Discovery: System Language Discovery
        System policy modification
        
        PID:4796
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
        7⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2176
        
        C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe" /i 4796
        8⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:2988
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin2.bat" "
        9⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2552
        
        C:\Users\Admin\AppData\Local\Temp\wtmps.exe
        
        "C:\Users\Admin\AppData\Local\Temp\wtmps.exe"
        10⤵
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2344
        
        C:\Windows\SysWOW64\mscaps.exe
        
        "C:\Windows\system32\mscaps.exe" /C:\Users\Admin\AppData\Local\Temp\wtmps.exe
        11⤵
        Executes dropped EXE
        
        PID:4804
    - - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4128
  - - C:\Users\Admin\AppData\Local\Temp\325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe
      "C:\Users\Admin\AppData\Local\Temp\325eb90e96a50a29f2e790f19b1a03ac95f9c6f1262e1840801de9d212b060edN.exe"
      4⤵
      Modifies visibility of file extensions in Explorer
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:4044

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3564

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3740

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3840

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3904

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3992

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4112

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2316

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
1⤵
PID:1800

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:2120

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry