9cb1c40e2895ed31ddf84be6be358d7c93cccc8678bf42638804562fb084a28e

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\system32\rundll32.exe = "C:\\Windows\\system32\\rundll32.exe:*:Enabled:rundll32"	37967ba44e377bf383060738917471b5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	37967ba44e377bf383060738917471b5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	37967ba44e377bf383060738917471b5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	37967ba44e377bf383060738917471b5_JaffaCakes118.exe

Modifies Windows Firewall 2 TTPs 2 IoCs

evasion

Windows Service

persistence privilege_escalation

Disable or Modify System Firewall

T1562.004

pid	Process
3164	netsh.exe
3940	netsh.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	37967ba44e377bf383060738917471b5_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
3524	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miiwlon = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\miiwlon.dll\",miiwlon"	37967ba44e377bf383060738917471b5_JaffaCakes118.exe

Modifies WinLogon 2 TTPs 7 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\miiwlon\Impersonate = "1"	37967ba44e377bf383060738917471b5_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\miiwlon\Asynchronous = "1"	37967ba44e377bf383060738917471b5_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\miiwlon\MaxWait = "1"	37967ba44e377bf383060738917471b5_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\miiwlon\DllName = "C:\\Users\\Admin\\AppData\\Local\\miiwlon.dll"	37967ba44e377bf383060738917471b5_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\miiwlon\Startup = "miiwlon"	37967ba44e377bf383060738917471b5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\miiwlon	37967ba44e377bf383060738917471b5_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify	37967ba44e377bf383060738917471b5_JaffaCakes118.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	37967ba44e377bf383060738917471b5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 3164	736	37967ba44e377bf383060738917471b5_JaffaCakes118.exe	86
PID 736 wrote to memory of 3164	736	37967ba44e377bf383060738917471b5_JaffaCakes118.exe	86
PID 736 wrote to memory of 3164	736	37967ba44e377bf383060738917471b5_JaffaCakes118.exe	86
PID 736 wrote to memory of 3524	736	37967ba44e377bf383060738917471b5_JaffaCakes118.exe	87
PID 736 wrote to memory of 3524	736	37967ba44e377bf383060738917471b5_JaffaCakes118.exe	87
PID 736 wrote to memory of 3524	736	37967ba44e377bf383060738917471b5_JaffaCakes118.exe	87
PID 736 wrote to memory of 3940	736	37967ba44e377bf383060738917471b5_JaffaCakes118.exe	89
PID 736 wrote to memory of 3940	736	37967ba44e377bf383060738917471b5_JaffaCakes118.exe	89
PID 736 wrote to memory of 3940	736	37967ba44e377bf383060738917471b5_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\37967ba44e377bf383060738917471b5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\37967ba44e377bf383060738917471b5_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Checks computer location settings
- Adds Run key to start application
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:736
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Rundll32" dir=out action=allow protocol=any program="C:\Windows\system32\rundll32.exe"
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:3164
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Local\miiwlon.dll",miiwlon C:\Users\Admin\AppData\Local\Temp\37967ba44e377bf383060738917471b5_JaffaCakes118.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:3524
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Rundll32" dir=in action=allow protocol=any program="C:\Windows\system32\rundll32.exe"
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:3940

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

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery