darkcomet | 11e041cf0b21bcd2c148b26d21e5fe8fe36279f74c0ed57746e5d0f7459eea20

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\ctfmon.exe"	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe

Modifies firewall policy service 3 TTPs 6 IoCs

Modify Registry

Windows Service

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	ctfmon.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	ctfmon.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	ctfmon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	iexplore.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	iexplore.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	iexplore.exe

Modifies security service 2 TTPs 2 IoCs

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	ctfmon.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	iexplore.exe

Windows security bypass 2 TTPs 2 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ctfmon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	iexplore.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ctfmon.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	iexplore.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
43	4844	Process not Found

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Control Panel\International\Geo\Nation	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe

Executes dropped EXE 1 IoCs

pid	Process
2672	ctfmon.exe

Identifies Wine through registry keys 2 TTPs 3 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Wine	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Key opened	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Wine	ctfmon.exe
Key opened	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\Software\Wine	iexplore.exe

Windows security modification 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ctfmon.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctfmon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ctfmon.exe"	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctfmon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ctfmon.exe"	ctfmon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3296967594-3563063956-581523229-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ctfmon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ctfmon.exe"	iexplore.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
2672	ctfmon.exe
2880	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 2880	2672	ctfmon.exe	91

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ctfmon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iexplore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.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

pid	Process
2404	MicrosoftEdgeUpdate.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
2672	ctfmon.exe
2672	ctfmon.exe
2880	iexplore.exe
2880	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2880	iexplore.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeSecurityPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeTakeOwnershipPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeLoadDriverPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeSystemProfilePrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeSystemtimePrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeProfSingleProcessPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeIncBasePriorityPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeCreatePagefilePrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeBackupPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeRestorePrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeShutdownPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeDebugPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeSystemEnvironmentPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeChangeNotifyPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeRemoteShutdownPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeUndockPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeManageVolumePrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeImpersonatePrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeCreateGlobalPrivilege	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: 33	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: 34	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: 35	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: 36	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
Token: SeIncreaseQuotaPrivilege	2672	ctfmon.exe
Token: SeSecurityPrivilege	2672	ctfmon.exe
Token: SeTakeOwnershipPrivilege	2672	ctfmon.exe
Token: SeLoadDriverPrivilege	2672	ctfmon.exe
Token: SeSystemProfilePrivilege	2672	ctfmon.exe
Token: SeSystemtimePrivilege	2672	ctfmon.exe
Token: SeProfSingleProcessPrivilege	2672	ctfmon.exe
Token: SeIncBasePriorityPrivilege	2672	ctfmon.exe
Token: SeCreatePagefilePrivilege	2672	ctfmon.exe
Token: SeBackupPrivilege	2672	ctfmon.exe
Token: SeRestorePrivilege	2672	ctfmon.exe
Token: SeShutdownPrivilege	2672	ctfmon.exe
Token: SeDebugPrivilege	2672	ctfmon.exe
Token: SeSystemEnvironmentPrivilege	2672	ctfmon.exe
Token: SeChangeNotifyPrivilege	2672	ctfmon.exe
Token: SeRemoteShutdownPrivilege	2672	ctfmon.exe
Token: SeUndockPrivilege	2672	ctfmon.exe
Token: SeManageVolumePrivilege	2672	ctfmon.exe
Token: SeImpersonatePrivilege	2672	ctfmon.exe
Token: SeCreateGlobalPrivilege	2672	ctfmon.exe
Token: 33	2672	ctfmon.exe
Token: 34	2672	ctfmon.exe
Token: 35	2672	ctfmon.exe
Token: 36	2672	ctfmon.exe
Token: SeIncreaseQuotaPrivilege	2880	iexplore.exe
Token: SeSecurityPrivilege	2880	iexplore.exe
Token: SeTakeOwnershipPrivilege	2880	iexplore.exe
Token: SeLoadDriverPrivilege	2880	iexplore.exe
Token: SeSystemProfilePrivilege	2880	iexplore.exe
Token: SeSystemtimePrivilege	2880	iexplore.exe
Token: SeProfSingleProcessPrivilege	2880	iexplore.exe
Token: SeIncBasePriorityPrivilege	2880	iexplore.exe
Token: SeCreatePagefilePrivilege	2880	iexplore.exe
Token: SeBackupPrivilege	2880	iexplore.exe
Token: SeRestorePrivilege	2880	iexplore.exe
Token: SeShutdownPrivilege	2880	iexplore.exe
Token: SeDebugPrivilege	2880	iexplore.exe
Token: SeSystemEnvironmentPrivilege	2880	iexplore.exe
Token: SeChangeNotifyPrivilege	2880	iexplore.exe
Token: SeRemoteShutdownPrivilege	2880	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2880	iexplore.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2672	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe	90
PID 2100 wrote to memory of 2672	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe	90
PID 2100 wrote to memory of 2672	2100	JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe	90
PID 2672 wrote to memory of 2880	2672	ctfmon.exe	91
PID 2672 wrote to memory of 2880	2672	ctfmon.exe	91
PID 2672 wrote to memory of 2880	2672	ctfmon.exe	91
PID 2672 wrote to memory of 2880	2672	ctfmon.exe	91
PID 2672 wrote to memory of 2880	2672	ctfmon.exe	91

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff6773734d53c18f9ce325fbf853fc75.exe"
1⤵
- Modifies WinLogon for persistence
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks computer location settings
- Identifies Wine through registry keys
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\ctfmon.exe
  "C:\Users\Admin\AppData\Local\Temp\ctfmon.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Windows security modification
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies firewall policy service
    - Modifies security service
    - Windows security bypass
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Identifies Wine through registry keys
    - Adds Run key to start application
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2880

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDc4OTQ4NTIyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2404

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

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

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Virtualization/Sandbox Evasion