darkcomet | e9d8a5b621d6c001758242122f9632d8be40b94206c667e7cc1f9ebc7e10cc6a

System Information Discovery

Processes:

900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exeexplorer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exenotepad.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\Windupdt\\winupdate.exe"	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\Windupdt\\winupdate.exe"	notepad.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe

description pid process target process

PID 2308 set thread context of 2660 2308 900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe explorer.exe

description	pid	process	target process
PID 2308 set thread context of 2660	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	explorer.exe

Drops file in Windows directory 4 IoCs

Processes:

900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exenotepad.exe

description	ioc	process
File created	C:\Windows\Windupdt\winupdate.exe	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
File opened for modification	C:\Windows\Windupdt\winupdate.exe	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
File opened for modification	C:\Windows\Windupdt\	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
File opened for modification	C:\Windows\Windupdt\winupdate.exe	notepad.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

Processes:

explorer.exe900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exenotepad.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Checks processor information in registry 2 TTPs 8 IoCs

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

Query Registry

System Information Discovery

Processes:

900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exeexplorer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

Processes:

900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exeexplorer.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exeexplorer.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeSecurityPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeBackupPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeRestorePrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeShutdownPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeDebugPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeUndockPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: 33	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: 34	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: 35	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2660	explorer.exe
Token: SeSecurityPrivilege	2660	explorer.exe
Token: SeTakeOwnershipPrivilege	2660	explorer.exe
Token: SeLoadDriverPrivilege	2660	explorer.exe
Token: SeSystemProfilePrivilege	2660	explorer.exe
Token: SeSystemtimePrivilege	2660	explorer.exe
Token: SeProfSingleProcessPrivilege	2660	explorer.exe
Token: SeIncBasePriorityPrivilege	2660	explorer.exe
Token: SeCreatePagefilePrivilege	2660	explorer.exe
Token: SeBackupPrivilege	2660	explorer.exe
Token: SeRestorePrivilege	2660	explorer.exe
Token: SeShutdownPrivilege	2660	explorer.exe
Token: SeDebugPrivilege	2660	explorer.exe
Token: SeSystemEnvironmentPrivilege	2660	explorer.exe
Token: SeChangeNotifyPrivilege	2660	explorer.exe
Token: SeRemoteShutdownPrivilege	2660	explorer.exe
Token: SeUndockPrivilege	2660	explorer.exe
Token: SeManageVolumePrivilege	2660	explorer.exe
Token: SeImpersonatePrivilege	2660	explorer.exe
Token: SeCreateGlobalPrivilege	2660	explorer.exe
Token: 33	2660	explorer.exe
Token: 34	2660	explorer.exe
Token: 35	2660	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid process

2660 explorer.exe

pid	process
2660	explorer.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe

description	pid	process	target process
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2116	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 2308 wrote to memory of 2660	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	explorer.exe
PID 2308 wrote to memory of 2660	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	explorer.exe
PID 2308 wrote to memory of 2660	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	explorer.exe
PID 2308 wrote to memory of 2660	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	explorer.exe
PID 2308 wrote to memory of 2660	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	explorer.exe
PID 2308 wrote to memory of 2660	2308	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2116
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  - Checks BIOS information in registry
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

3

System Information Discovery

3

System Location Discovery

T1614

System Language Discovery