d71325d6cd03bc49ec0b3f3eb66984c605a02064fe8cf2bfd608769746b4b0b2

Windows Service

T1543.003

Disable or Modify Tools

Processes:

winsvcs.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	winsvcs.exe

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disable or Modify Tools

Modify Registry

Processes:

winsvcs.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	winsvcs.exe

Executes dropped EXE 1 IoCs

Processes:

winsvcs.exe

pid process

3856 winsvcs.exe

pid	process
3856	winsvcs.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

Modify Registry

Processes:

winsvcs.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AutoUpdateDisableNotify = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	winsvcs.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Services = "C:\\Windows\\T40506932020485930\\winsvcs.exe"	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Services = "C:\\Windows\\T40506932020485930\\winsvcs.exe"	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

Processes:

a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\T40506932020485930\winsvcs.exe	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
File opened for modification	C:\Windows\T40506932020485930\winsvcs.exe	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
File opened for modification	C:\Windows\T40506932020485930	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

928 4672 WerFault.exe a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe

pid	pid_target	process	target process
928	4672	WerFault.exe	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exewinsvcs.exe

pid	process
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe
3856	winsvcs.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe

description	pid	process	target process
PID 4672 wrote to memory of 3856	4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe	winsvcs.exe
PID 4672 wrote to memory of 3856	4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe	winsvcs.exe
PID 4672 wrote to memory of 3856	4672	a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe	winsvcs.exe

C:\Users\Admin\AppData\Local\Temp\a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a6100c665fd57bfde92a882459e042ab_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4672

C:\Windows\T40506932020485930\winsvcs.exe
C:\Windows\T40506932020485930\winsvcs.exe
2⤵
- Modifies Windows Defender Real-time Protection settings
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
PID:3856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 528
2⤵
- Program crash
PID:928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4672 -ip 4672
1⤵
PID:1036

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

4

Impair Defenses

3

T1562

Disable or Modify Tools

3