njrat | b684e8c6223d2ece39800ed26431e8bfc0b8198c515327de3270200a60aec07d

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Payload.exe

Executes dropped EXE 3 IoCs

pid	Process
4884	stub.exe
672	Payload.exe
1560	Payload.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe"	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4964 set thread context of 1344	4964	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	87
PID 672 set thread context of 1560	672	Payload.exe	93

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 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	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payload.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payload.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeBackupPrivilege	4408	dw20.exe
Token: SeBackupPrivilege	4408	dw20.exe
Token: SeDebugPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe
Token: 33	1560	Payload.exe
Token: SeIncBasePriorityPrivilege	1560	Payload.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 4884	4964	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	86
PID 4964 wrote to memory of 4884	4964	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	86
PID 4964 wrote to memory of 1344	4964	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	87
PID 4964 wrote to memory of 1344	4964	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	87
PID 4964 wrote to memory of 1344	4964	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	87
PID 4964 wrote to memory of 1344	4964	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	87
PID 4964 wrote to memory of 1344	4964	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	87
PID 4964 wrote to memory of 1344	4964	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	87
PID 4964 wrote to memory of 1344	4964	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	87
PID 4964 wrote to memory of 1344	4964	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	87
PID 4884 wrote to memory of 4408	4884	stub.exe	88
PID 4884 wrote to memory of 4408	4884	stub.exe	88
PID 1344 wrote to memory of 672	1344	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	90
PID 1344 wrote to memory of 672	1344	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	90
PID 1344 wrote to memory of 672	1344	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	90
PID 1344 wrote to memory of 1880	1344	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	91
PID 1344 wrote to memory of 1880	1344	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	91
PID 1344 wrote to memory of 1880	1344	3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe	91
PID 672 wrote to memory of 1560	672	Payload.exe	93
PID 672 wrote to memory of 1560	672	Payload.exe	93
PID 672 wrote to memory of 1560	672	Payload.exe	93
PID 672 wrote to memory of 1560	672	Payload.exe	93
PID 672 wrote to memory of 1560	672	Payload.exe	93
PID 672 wrote to memory of 1560	672	Payload.exe	93
PID 672 wrote to memory of 1560	672	Payload.exe	93
PID 672 wrote to memory of 1560	672	Payload.exe	93

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1880	attrib.exe

C:\Users\Admin\AppData\Local\Temp\3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4964
- C:\Users\Admin\AppData\Local\Temp\stub.exe
  "C:\Users\Admin\AppData\Local\Temp\stub.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4884
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
    dw20.exe -x -s 736
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:4408
- C:\Users\Admin\AppData\Local\Temp\3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3047a47ecd3436128b20f16c29d63550_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1344
- - C:\Users\Admin\AppData\Local\Temp\Payload.exe
    "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:672
  - - C:\Users\Admin\AppData\Local\Temp\Payload.exe
      "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
      4⤵
      Drops startup file
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:1560
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:1880

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

3

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery