expiro | bf2911d8d58136b627307249a4f836eded570d086fd0f670990de5161bdc83f2

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosdate	svchost.exe

Adds Run key to start application 2 TTPs 2 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\aaaaaaaa = "C:\\Windows\\System32\\aaaaaaaa.exe"	JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aaaaaaaa = "C:\\Users\\Admin\\aaaaaaaa.exe"	JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\aaaaaaaa.exe	JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4592 set thread context of 2608	4592	JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe	84

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe

Checks processor information in registry 2 TTPs 2 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	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	svchost.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosDate	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 2608	4592	JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe	84
PID 4592 wrote to memory of 2608	4592	JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe	84
PID 4592 wrote to memory of 2608	4592	JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe	84
PID 4592 wrote to memory of 2608	4592	JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe	84
PID 4592 wrote to memory of 2608	4592	JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe	84
PID 4592 wrote to memory of 2608	4592	JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe	84
PID 4592 wrote to memory of 2608	4592	JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe	84
PID 4592 wrote to memory of 2608	4592	JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a699195dcc432ba04a55d3c57cfb490.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\System32\svchost.exe
  2⤵
  - Checks BIOS information in registry
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  PID:2608

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

Modify Registry

T1112

Credential Access

Discovery

Query Registry

3

System Information Discovery

3

System Location Discovery

T1614

System Language Discovery