darkcomet | d66e4e7aebb20091770c3564857a26f1ee478e6645ea6e84775af2a053433d40

Windows Service

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "1"	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe

Modifies security service 2 TTPs 1 IoCs

defense_evasion

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe

Windows security bypass 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\AntiVirusDisableNotify = "1"	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe

Disables Task Manager via registry modification
defense_evasion

Downloads MZ/PE file 1 IoCs

flow	pid	Process
52	3016	Process not Found

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	JaffaCakes118_c10c280643753c9aa7797467efb966c5.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_c10c280643753c9aa7797467efb966c5.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\AntiVirusDisableNotify = "1"	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3496 set thread context of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3496-0-0x0000000000400000-0x0000000000413001-memory.dmp	upx
behavioral2/memory/3496-5-0x0000000000400000-0x0000000000413001-memory.dmp	upx

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.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
4560	MicrosoftEdgeUpdate.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_c10c280643753c9aa7797467efb966c5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_c10c280643753c9aa7797467efb966c5.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_c10c280643753c9aa7797467efb966c5.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeSecurityPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeTakeOwnershipPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeLoadDriverPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeSystemProfilePrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeSystemtimePrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeProfSingleProcessPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeIncBasePriorityPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeCreatePagefilePrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeBackupPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeRestorePrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeShutdownPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeDebugPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeSystemEnvironmentPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeChangeNotifyPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeRemoteShutdownPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeUndockPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeManageVolumePrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeImpersonatePrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: SeCreateGlobalPrivilege	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: 33	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: 34	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: 35	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Token: 36	5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
5060	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86
PID 3496 wrote to memory of 5060	3496	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe	86

System policy modification 1 TTPs 3 IoCs

defense_evasion

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3496
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c10c280643753c9aa7797467efb966c5.exe
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Drops file in Drivers directory
  - Checks BIOS information in registry
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:5060

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NDAxNTc2NjI4Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

Privilege Escalation

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

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery