c4539628a4b771a1b1276de073b43d9ebf669154c7c89fdb5cc63ec6e3230047

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Win SVC 32 = "C:\\Program Files (x86)\\Common Files\\Win SVC 32service.exe"	8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{K60TF4T6-GE47-AR3M-H9LH-2T09YC0HM05G}	8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{K60TF4T6-GE47-AR3M-H9LH-2T09YC0HM05G}\StubPath = "C:\\Program Files (x86)\\Common Files\\Win SVC 32service.exe"	8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1640	Win SVC 32service.exe
4768	Win SVC 32service.exe

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\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win SVC 32 = "C:\\Program Files (x86)\\Common Files\\Win SVC 32service.exe"	8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Win SVC 32 = "C:\\Program Files (x86)\\Common Files\\Win SVC 32service.exe"	8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Win SVC 32	8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Common Files\Win SVC 32service.exe	8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Win SVC 32service.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Win SVC 32service.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\command	Win SVC 32service.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4944	8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe
1640	Win SVC 32service.exe
4768	Win SVC 32service.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 1640	4944	8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe	84
PID 4944 wrote to memory of 1640	4944	8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe	84
PID 4944 wrote to memory of 1640	4944	8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe	84
PID 1640 wrote to memory of 2620	1640	Win SVC 32service.exe	85
PID 1640 wrote to memory of 2620	1640	Win SVC 32service.exe	85
PID 1640 wrote to memory of 2620	1640	Win SVC 32service.exe	85
PID 1640 wrote to memory of 4768	1640	Win SVC 32service.exe	86
PID 1640 wrote to memory of 4768	1640	Win SVC 32service.exe	86
PID 1640 wrote to memory of 4768	1640	Win SVC 32service.exe	86

C:\Users\Admin\AppData\Local\Temp\8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8ee5151279f21a802c7c4a35c438559e_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4944
- C:\Program Files (x86)\Common Files\Win SVC 32service.exe
  "C:\Program Files (x86)\Common Files\Win SVC 32service.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    PID:2620
- - C:\Users\Admin\AppData\Local\Temp\Win SVC 32service.exe
    "C:\Users\Admin\AppData\Local\Temp\Win SVC 32service.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:4768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

2

Privilege Escalation

Boot or Logon Autostart Execution

3

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

2

Defense Evasion

Modify Registry

3

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery