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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windows\\Windupdt\\winupdate.exe"	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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 4024 set thread context of 4352 4024 900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe explorer.exe

description	pid	process	target process
PID 4024 set thread context of 4352	4024	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:

900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exenotepad.exeexplorer.exe

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

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 48 IoCs

Processes:

900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exeexplorer.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeSecurityPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeBackupPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeRestorePrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeShutdownPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeDebugPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeUndockPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: 33	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: 34	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: 35	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: 36	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4352	explorer.exe
Token: SeSecurityPrivilege	4352	explorer.exe
Token: SeTakeOwnershipPrivilege	4352	explorer.exe
Token: SeLoadDriverPrivilege	4352	explorer.exe
Token: SeSystemProfilePrivilege	4352	explorer.exe
Token: SeSystemtimePrivilege	4352	explorer.exe
Token: SeProfSingleProcessPrivilege	4352	explorer.exe
Token: SeIncBasePriorityPrivilege	4352	explorer.exe
Token: SeCreatePagefilePrivilege	4352	explorer.exe
Token: SeBackupPrivilege	4352	explorer.exe
Token: SeRestorePrivilege	4352	explorer.exe
Token: SeShutdownPrivilege	4352	explorer.exe
Token: SeDebugPrivilege	4352	explorer.exe
Token: SeSystemEnvironmentPrivilege	4352	explorer.exe
Token: SeChangeNotifyPrivilege	4352	explorer.exe
Token: SeRemoteShutdownPrivilege	4352	explorer.exe
Token: SeUndockPrivilege	4352	explorer.exe
Token: SeManageVolumePrivilege	4352	explorer.exe
Token: SeImpersonatePrivilege	4352	explorer.exe
Token: SeCreateGlobalPrivilege	4352	explorer.exe
Token: 33	4352	explorer.exe
Token: 34	4352	explorer.exe
Token: 35	4352	explorer.exe
Token: 36	4352	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid process

4352 explorer.exe

pid	process
4352	explorer.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe

description	pid	process	target process
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 1504	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	notepad.exe
PID 4024 wrote to memory of 4352	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	explorer.exe
PID 4024 wrote to memory of 4352	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	explorer.exe
PID 4024 wrote to memory of 4352	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	explorer.exe
PID 4024 wrote to memory of 4352	4024	900ac8bb2098ca97595c2849b111c4fe_JaffaCakes118.exe	explorer.exe
PID 4024 wrote to memory of 4352	4024	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:4024
- 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:1504
- 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:4352

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