darkcomet | ce3b8c803e3f620ab6a4fe0448b87102e4578713b1355e0359f8e6243caeff66

Processes:

8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windupdt\\winupdate.exe"	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

winupdate.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	winupdate.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	winupdate.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1"	winupdate.exe

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

winupdate.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" winupdate.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	winupdate.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

winupdate.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winupdate.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

Processes:

8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exewinupdate.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	winupdate.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2808 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

winupdate.exe

pid process

2168 winupdate.exe
Loads dropped DLL 4 IoCs

Processes:

8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exewinupdate.exe

pid process

2188 8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
2168 winupdate.exe
2168 winupdate.exe
2168 winupdate.exe

pid	process
2808	cmd.exe

pid	process
2168	winupdate.exe

pid	process
2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
2168	winupdate.exe
2168	winupdate.exe
2168	winupdate.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

winupdate.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winupdate.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe

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 4 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:

cmd.exePING.EXE8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exewinupdate.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
discovery

Internet Connection Discovery
T1016.001

Processes:

PING.EXE

pid process

2844 PING.EXE

pid	process
2844	PING.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:

winupdate.exe8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	winupdate.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	winupdate.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

Processes:

8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exewinupdate.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	winupdate.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2844 PING.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

winupdate.exe

pid process

2168 winupdate.exe

pid	process
2844	PING.EXE

pid	process
2168	winupdate.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exewinupdate.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeSecurityPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeBackupPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeRestorePrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeShutdownPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeDebugPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeUndockPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: 33	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: 34	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: 35	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2168	winupdate.exe
Token: SeSecurityPrivilege	2168	winupdate.exe
Token: SeTakeOwnershipPrivilege	2168	winupdate.exe
Token: SeLoadDriverPrivilege	2168	winupdate.exe
Token: SeSystemProfilePrivilege	2168	winupdate.exe
Token: SeSystemtimePrivilege	2168	winupdate.exe
Token: SeProfSingleProcessPrivilege	2168	winupdate.exe
Token: SeIncBasePriorityPrivilege	2168	winupdate.exe
Token: SeCreatePagefilePrivilege	2168	winupdate.exe
Token: SeBackupPrivilege	2168	winupdate.exe
Token: SeRestorePrivilege	2168	winupdate.exe
Token: SeShutdownPrivilege	2168	winupdate.exe
Token: SeDebugPrivilege	2168	winupdate.exe
Token: SeSystemEnvironmentPrivilege	2168	winupdate.exe
Token: SeChangeNotifyPrivilege	2168	winupdate.exe
Token: SeRemoteShutdownPrivilege	2168	winupdate.exe
Token: SeUndockPrivilege	2168	winupdate.exe
Token: SeManageVolumePrivilege	2168	winupdate.exe
Token: SeImpersonatePrivilege	2168	winupdate.exe
Token: SeCreateGlobalPrivilege	2168	winupdate.exe
Token: 33	2168	winupdate.exe
Token: 34	2168	winupdate.exe
Token: 35	2168	winupdate.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.execmd.exe

description	pid	process	target process
PID 2188 wrote to memory of 2168	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe	winupdate.exe
PID 2188 wrote to memory of 2168	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe	winupdate.exe
PID 2188 wrote to memory of 2168	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe	winupdate.exe
PID 2188 wrote to memory of 2168	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe	winupdate.exe
PID 2188 wrote to memory of 2168	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe	winupdate.exe
PID 2188 wrote to memory of 2168	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe	winupdate.exe
PID 2188 wrote to memory of 2168	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe	winupdate.exe
PID 2188 wrote to memory of 2808	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe	cmd.exe
PID 2188 wrote to memory of 2808	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe	cmd.exe
PID 2188 wrote to memory of 2808	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe	cmd.exe
PID 2188 wrote to memory of 2808	2188	8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe	cmd.exe
PID 2808 wrote to memory of 2844	2808	cmd.exe	PING.EXE
PID 2808 wrote to memory of 2844	2808	cmd.exe	PING.EXE
PID 2808 wrote to memory of 2844	2808	cmd.exe	PING.EXE
PID 2808 wrote to memory of 2844	2808	cmd.exe	PING.EXE

C:\Users\Admin\AppData\Local\Temp\8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8de865647d2cdfff8f15a2f66da4cf96_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- 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:2188
- C:\Windupdt\winupdate.exe
  "C:\Windupdt\winupdate.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2168
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\_dcsc_.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2844

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

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

3

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

3

Remote System Discovery

T1018

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery