darkcomet | 90c720c9410e1575ef1dabdf2e1640b55f123339d372589de814eb06096b47ec

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\C:\\Dokumente und Einstellungen\\All Users\\Startmenü\\Programme\\Autostart"	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe

Modifies firewall policy service 3 TTPs 3 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	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1"	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe

Modifies security service 2 TTPs 1 IoCs

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.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\AntiVirusDisableNotify = "1"	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe

Disables RegEdit via registry modification 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe

Windows security modification 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\AntiVirusDisableNotify = "1"	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\logon = "C:\\C:\\Dokumente und Einstellungen\\All Users\\Startmenü\\Programme\\Autostart"	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe

UPX packed file 16 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/5212-0-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-2-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-3-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-5-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-6-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-7-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-8-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-9-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-10-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-11-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-12-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-13-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-14-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-15-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-16-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral2/memory/5212-17-0x0000000000400000-0x00000000004C7000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.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\Identifier	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe

NTFS ADS 3 IoCs

description	ioc	Process
File created	C:\C:\Dokumente und Einstellungen\All Users\Startmenü\Programme\Autostart	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
File opened for modification	C:\C:\Dokumente und Einstellungen\All Users\Startmenü\Programme\Autostart	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
File opened for modification	C:\C:\Dokumente und Einstellungen\All Users\Startmenü\Programme\	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeSecurityPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeTakeOwnershipPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeLoadDriverPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeSystemProfilePrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeSystemtimePrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeProfSingleProcessPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeIncBasePriorityPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeCreatePagefilePrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeBackupPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeRestorePrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeShutdownPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeDebugPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeSystemEnvironmentPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeChangeNotifyPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeRemoteShutdownPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeUndockPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeManageVolumePrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeImpersonatePrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: SeCreateGlobalPrivilege	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: 33	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: 34	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: 35	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Token: 36	5212	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe

System policy modification 1 TTPs 3 IoCs

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_92bd43f58c78a41f0b27a018bfb7f367.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Checks BIOS information in registry
- Windows security modification
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:5212

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\C:\Dokumente und Einstellungen\All Users\Startmenü\Programme\Autostart
1⤵
PID:348

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

3

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

3

System Information Discovery

3

System Location Discovery

T1614

System Language Discovery