0dbe15686c10ac09b4e1c1e465c1c16832309ad9578c269159cceb53677c3912

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe:*:Enabled:Winup"	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\System32\drivers\etc\hosts	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
File opened for modification	C:\WINDOWS\System32\drivers\etc\hosts	winup.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

persistence privilege_escalation

Disable or Modify System Firewall

T1562.004

pid	Process
2972	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2596	winup.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Winup = "winup.exe"	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\winup.exe	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
File opened for modification	C:\Windows\winup.exe	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 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 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

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
2596	winup.exe
2596	winup.exe
2596	winup.exe
2596	winup.exe
2596	winup.exe
2596	winup.exe
2596	winup.exe
2596	winup.exe
2596	winup.exe
2596	winup.exe
2596	winup.exe
2596	winup.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2972	2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe	30
PID 2732 wrote to memory of 2972	2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe	30
PID 2732 wrote to memory of 2972	2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe	30
PID 2732 wrote to memory of 2972	2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe	30
PID 2732 wrote to memory of 2596	2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2596	2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2596	2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe	31
PID 2732 wrote to memory of 2596	2732	2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2d2d8e5a633f27af6ebff5b4bdaa9579_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Drops file in Drivers directory
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram 1.exe 1 ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:2972
- C:\Windows\winup.exe
  "C:\Windows\winup.exe"
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:2596

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

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses