f0fdc35857a8f32b526491cf536325b12b4c1fadd91dfde03cd0d0327129361c

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\Mozilla.exe"	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe

Modifies firewall policy service 3 TTPs 10 IoCs

evasion

Modify Registry

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\Mozilla = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla.exe:*:Mozilla"	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\Mozilla = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla.exe:*:Mozilla"	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Mozilla = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla.exe"	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1632-0-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral2/memory/2496-5-0x0000000000400000-0x0000000000421000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Mozilla = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla.exe"	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mozilla = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla.exe"	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.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 2 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	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Mozilla.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1632	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 2496	1632	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe	87
PID 1632 wrote to memory of 2496	1632	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe	87
PID 1632 wrote to memory of 2496	1632	94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\94903ecd7b90c109d0a00e5954a2045e_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Adds policy Run key to start application
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Roaming\Mozilla.exe
  "C:\Users\Admin\AppData\Roaming\Mozilla.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

2

T1082

System Location Discovery

T1614

System Language Discovery