ecea9df456a7699eb746f527f8f1ecc5f50c31a568e21cd706f9ef9b0e92fbf6

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe:*:Enabled:Ci Servs"	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

persistence privilege_escalation

Disable or Modify System Firewall

T1562.004

pid	Process
2192	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2136	Sontiwin.exe
2812	Sontiwin.exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2624-4-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2624-8-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2624-11-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2624-13-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2624-12-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2624-10-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2624-5-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2624-26-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-38-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-41-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-42-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-43-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-44-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-45-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-46-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-47-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-48-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-49-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-50-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-51-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-52-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-53-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2812-54-0x0000000000400000-0x0000000000456000-memory.dmp	upx

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\Ci Servs = "Sontiwin.exe"	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 388 set thread context of 2624	388	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	31
PID 2136 set thread context of 2812	2136	Sontiwin.exe	34

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Sontiwin.exe	Sontiwin.exe
File created	C:\Windows\Sontiwin.exe	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
File opened for modification	C:\Windows\Sontiwin.exe	7597012f22719617c0a1ce9685e27b9f_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 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 5 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sontiwin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sontiwin.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
2812	Sontiwin.exe
2812	Sontiwin.exe
2812	Sontiwin.exe
2812	Sontiwin.exe
2812	Sontiwin.exe
2812	Sontiwin.exe
2812	Sontiwin.exe
2812	Sontiwin.exe
2812	Sontiwin.exe
2812	Sontiwin.exe
2812	Sontiwin.exe
2812	Sontiwin.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
388	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
2136	Sontiwin.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 2624	388	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	31
PID 388 wrote to memory of 2624	388	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	31
PID 388 wrote to memory of 2624	388	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	31
PID 388 wrote to memory of 2624	388	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	31
PID 388 wrote to memory of 2624	388	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	31
PID 388 wrote to memory of 2624	388	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	31
PID 388 wrote to memory of 2624	388	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	31
PID 388 wrote to memory of 2624	388	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	31
PID 2624 wrote to memory of 2192	2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	32
PID 2624 wrote to memory of 2192	2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	32
PID 2624 wrote to memory of 2192	2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	32
PID 2624 wrote to memory of 2192	2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	32
PID 2624 wrote to memory of 2136	2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	33
PID 2624 wrote to memory of 2136	2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	33
PID 2624 wrote to memory of 2136	2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	33
PID 2624 wrote to memory of 2136	2624	7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe	33
PID 2136 wrote to memory of 2812	2136	Sontiwin.exe	34
PID 2136 wrote to memory of 2812	2136	Sontiwin.exe	34
PID 2136 wrote to memory of 2812	2136	Sontiwin.exe	34
PID 2136 wrote to memory of 2812	2136	Sontiwin.exe	34
PID 2136 wrote to memory of 2812	2136	Sontiwin.exe	34
PID 2136 wrote to memory of 2812	2136	Sontiwin.exe	34
PID 2136 wrote to memory of 2812	2136	Sontiwin.exe	34
PID 2136 wrote to memory of 2812	2136	Sontiwin.exe	34

C:\Users\Admin\AppData\Local\Temp\7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:388
- C:\Users\Admin\AppData\Local\Temp\7597012f22719617c0a1ce9685e27b9f_JaffaCakes118.exe
  2⤵
  - Modifies firewall policy service
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2624
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram Sontiwin.exe 1 ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2192
- - C:\Windows\Sontiwin.exe
    "C:\Windows\Sontiwin.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2136
  - - C:\Windows\Sontiwin.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2812

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

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery