sality | 4e413d99447f93977c0ef71daa6b79f265e5043398dfc3ba01d686f43122fb71

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\DoNotAllowExceptions = "0"	@AEB94D.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	@AEB94D.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"	@AEB94D.tmp.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"	@AEB94D.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\AntiVirusOverride = "1"	@AEB94D.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	@AEB94D.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\FirewallDisableNotify = "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\AntiVirusDisableNotify = "1"	@AEB94D.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	@AEB94D.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	@AEB94D.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	@AEB94D.tmp.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\FirewallOverride = "1"	WdExt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	WdExt.exe

Checks computer location settings 2 TTPs 3 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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	@AEB94D.tmp.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	WdExt.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	launch.exe

Executes dropped EXE 6 IoCs

pid	Process
4448	@AEB94D.tmp.exe
4880	4e413d99447f93977c0ef71daa6b79f265e5043398dfc3ba01d686f43122fb71N.exe
4568	WdExt.exe
3168	launch.exe
1568	wtmps.exe
100	mscaps.exe

Loads dropped DLL 2 IoCs

pid	Process
4448	@AEB94D.tmp.exe
4568	WdExt.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"	@AEB94D.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	@AEB94D.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\FirewallDisableNotify = "1"	WdExt.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	WdExt.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	@AEB94D.tmp.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"	@AEB94D.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	@AEB94D.tmp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	@AEB94D.tmp.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\FirewallOverride = "1"	@AEB94D.tmp.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\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\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"	@AEB94D.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 created	C:\Windows\SysWOW64\mscaps.exe	wtmps.exe
File opened for modification	C:\Windows\SysWOW64\mscaps.exe	wtmps.exe

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4448-23-0x0000000002240000-0x00000000032FA000-memory.dmp	upx
behavioral2/memory/4448-22-0x0000000002240000-0x00000000032FA000-memory.dmp	upx
behavioral2/memory/4448-29-0x0000000002240000-0x00000000032FA000-memory.dmp	upx
behavioral2/memory/4448-319-0x0000000002240000-0x00000000032FA000-memory.dmp	upx
behavioral2/memory/4448-334-0x0000000002240000-0x00000000032FA000-memory.dmp	upx
behavioral2/memory/4448-393-0x0000000002240000-0x00000000032FA000-memory.dmp	upx
behavioral2/memory/4448-397-0x0000000002240000-0x00000000032FA000-memory.dmp	upx
behavioral2/memory/4448-418-0x0000000002240000-0x00000000032FA000-memory.dmp	upx
behavioral2/memory/4448-567-0x0000000002240000-0x00000000032FA000-memory.dmp	upx
behavioral2/memory/4448-568-0x0000000002240000-0x00000000032FA000-memory.dmp	upx
behavioral2/memory/4448-577-0x0000000002240000-0x00000000032FA000-memory.dmp	upx
behavioral2/memory/4448-602-0x0000000002240000-0x00000000032FA000-memory.dmp	upx
behavioral2/memory/4568-620-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral2/memory/4568-626-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral2/memory/4568-627-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral2/memory/4568-639-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral2/memory/4568-647-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral2/memory/4568-815-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral2/memory/4568-889-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral2/memory/4568-1010-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral2/memory/4568-1034-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral2/memory/4568-1040-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral2/memory/4568-1481-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral2/memory/4568-1497-0x0000000002210000-0x00000000032CA000-memory.dmp	upx
behavioral2/memory/4568-1610-0x0000000002210000-0x00000000032CA000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\e57bb12	@AEB94D.tmp.exe
File opened for modification	C:\Windows\SYSTEM.INI	@AEB94D.tmp.exe
File created	C:\Windows\e57c208	WdExt.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 10 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	4e413d99447f93977c0ef71daa6b79f265e5043398dfc3ba01d686f43122fb71N.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	WdExt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wtmps.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	@AEB94D.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	launch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4448	@AEB94D.tmp.exe
4448	@AEB94D.tmp.exe
4448	@AEB94D.tmp.exe
4448	@AEB94D.tmp.exe
4568	WdExt.exe
4568	WdExt.exe
4568	WdExt.exe
4568	WdExt.exe
3168	launch.exe
3168	launch.exe
3168	launch.exe
3168	launch.exe
3168	launch.exe
3168	launch.exe
3168	launch.exe
3168	launch.exe
3168	launch.exe
3168	launch.exe
3168	launch.exe
3168	launch.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe
Token: SeDebugPrivilege	4448	@AEB94D.tmp.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 2540	816	4e413d99447f93977c0ef71daa6b79f265e5043398dfc3ba01d686f43122fb71N.exe	82
PID 816 wrote to memory of 2540	816	4e413d99447f93977c0ef71daa6b79f265e5043398dfc3ba01d686f43122fb71N.exe	82
PID 816 wrote to memory of 2540	816	4e413d99447f93977c0ef71daa6b79f265e5043398dfc3ba01d686f43122fb71N.exe	82
PID 816 wrote to memory of 2540	816	4e413d99447f93977c0ef71daa6b79f265e5043398dfc3ba01d686f43122fb71N.exe	82
PID 816 wrote to memory of 2540	816	4e413d99447f93977c0ef71daa6b79f265e5043398dfc3ba01d686f43122fb71N.exe	82
PID 2540 wrote to memory of 4448	2540	explorer.exe	83
PID 2540 wrote to memory of 4448	2540	explorer.exe	83
PID 2540 wrote to memory of 4448	2540	explorer.exe	83
PID 4448 wrote to memory of 796	4448	@AEB94D.tmp.exe	9
PID 4448 wrote to memory of 800	4448	@AEB94D.tmp.exe	10
PID 4448 wrote to memory of 376	4448	@AEB94D.tmp.exe	13
PID 4448 wrote to memory of 2832	4448	@AEB94D.tmp.exe	50
PID 4448 wrote to memory of 2996	4448	@AEB94D.tmp.exe	51
PID 4448 wrote to memory of 2920	4448	@AEB94D.tmp.exe	53
PID 4448 wrote to memory of 3404	4448	@AEB94D.tmp.exe	56
PID 4448 wrote to memory of 3576	4448	@AEB94D.tmp.exe	57
PID 4448 wrote to memory of 3772	4448	@AEB94D.tmp.exe	58
PID 4448 wrote to memory of 3860	4448	@AEB94D.tmp.exe	59
PID 4448 wrote to memory of 3924	4448	@AEB94D.tmp.exe	60
PID 4448 wrote to memory of 4028	4448	@AEB94D.tmp.exe	61
PID 4448 wrote to memory of 4148	4448	@AEB94D.tmp.exe	62
PID 4448 wrote to memory of 1664	4448	@AEB94D.tmp.exe	74
PID 4448 wrote to memory of 792	4448	@AEB94D.tmp.exe	76
PID 4448 wrote to memory of 2540	4448	@AEB94D.tmp.exe	82
PID 4448 wrote to memory of 828	4448	@AEB94D.tmp.exe	85
PID 4448 wrote to memory of 828	4448	@AEB94D.tmp.exe	85
PID 4448 wrote to memory of 828	4448	@AEB94D.tmp.exe	85
PID 4448 wrote to memory of 2692	4448	@AEB94D.tmp.exe	86
PID 4448 wrote to memory of 2692	4448	@AEB94D.tmp.exe	86
PID 4448 wrote to memory of 2692	4448	@AEB94D.tmp.exe	86
PID 828 wrote to memory of 4568	828	cmd.exe	89
PID 828 wrote to memory of 4568	828	cmd.exe	89
PID 828 wrote to memory of 4568	828	cmd.exe	89
PID 4568 wrote to memory of 796	4568	WdExt.exe	9
PID 4568 wrote to memory of 800	4568	WdExt.exe	10
PID 4568 wrote to memory of 376	4568	WdExt.exe	13
PID 4568 wrote to memory of 2832	4568	WdExt.exe	50
PID 4568 wrote to memory of 2996	4568	WdExt.exe	51
PID 4568 wrote to memory of 2920	4568	WdExt.exe	53
PID 4568 wrote to memory of 3404	4568	WdExt.exe	56
PID 4568 wrote to memory of 3576	4568	WdExt.exe	57
PID 4568 wrote to memory of 3772	4568	WdExt.exe	58
PID 4568 wrote to memory of 3860	4568	WdExt.exe	59
PID 4568 wrote to memory of 3924	4568	WdExt.exe	60
PID 4568 wrote to memory of 4028	4568	WdExt.exe	61
PID 4568 wrote to memory of 4148	4568	WdExt.exe	62
PID 4568 wrote to memory of 1664	4568	WdExt.exe	74
PID 4568 wrote to memory of 792	4568	WdExt.exe	76
PID 4568 wrote to memory of 828	4568	WdExt.exe	85
PID 4568 wrote to memory of 828	4568	WdExt.exe	85
PID 4568 wrote to memory of 1480	4568	WdExt.exe	87
PID 4568 wrote to memory of 2636	4568	WdExt.exe	90
PID 4568 wrote to memory of 2636	4568	WdExt.exe	90
PID 4568 wrote to memory of 2636	4568	WdExt.exe	90
PID 2636 wrote to memory of 3168	2636	cmd.exe	92
PID 2636 wrote to memory of 3168	2636	cmd.exe	92
PID 2636 wrote to memory of 3168	2636	cmd.exe	92
PID 3168 wrote to memory of 4512	3168	launch.exe	93
PID 3168 wrote to memory of 4512	3168	launch.exe	93
PID 3168 wrote to memory of 4512	3168	launch.exe	93
PID 4512 wrote to memory of 1568	4512	cmd.exe	95
PID 4512 wrote to memory of 1568	4512	cmd.exe	95
PID 4512 wrote to memory of 1568	4512	cmd.exe	95
PID 1568 wrote to memory of 100	1568	wtmps.exe	96

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"	@AEB94D.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:796

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

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:376

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2996

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2920

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3404
- C:\Users\Admin\AppData\Local\Temp\4e413d99447f93977c0ef71daa6b79f265e5043398dfc3ba01d686f43122fb71N.exe
  "C:\Users\Admin\AppData\Local\Temp\4e413d99447f93977c0ef71daa6b79f265e5043398dfc3ba01d686f43122fb71N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:816
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2540
  - - C:\Users\Admin\AppData\Local\Temp\@AEB94D.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\@AEB94D.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:4448
    - - 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:828
      - C:\Windows\System32\Conhost.exe
        
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        6⤵
        
        PID:1480
      - 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
        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 WriteProcessMemory
        System policy modification
        
        PID:4568
        
        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:2636
        
        C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe" /i 4568
        8⤵
        Checks computer location settings
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:3168
        
        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:4512
        
        C:\Users\Admin\AppData\Local\Temp\wtmps.exe
        
        "C:\Users\Admin\AppData\Local\Temp\wtmps.exe"
        10⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1568
        
        C:\Windows\SysWOW64\mscaps.exe
        
        "C:\Windows\system32\mscaps.exe" /C:\Users\Admin\AppData\Local\Temp\wtmps.exe
        11⤵
        Executes dropped EXE
        
        PID:100
    - - 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:2692
  - - C:\Users\Admin\AppData\Local\Temp\4e413d99447f93977c0ef71daa6b79f265e5043398dfc3ba01d686f43122fb71N.exe
      "C:\Users\Admin\AppData\Local\Temp\4e413d99447f93977c0ef71daa6b79f265e5043398dfc3ba01d686f43122fb71N.exe"
      4⤵
      Executes dropped EXE
      PID:4880

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3576

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3772

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3860

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3924

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:4028

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4148

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:1664

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:792

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