darkcomet | 035a94e56b9744c411314bb8de95d46c23e71c8f268cfe19687d8fc88eb20cda

Windows Service

Disable or Modify System Firewall

T1562.004

Processes:

aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

Windows Service

Processes:

aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.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

Processes:

aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exeaeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2460 set thread context of 2488	2460	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	31
PID 2488 set thread context of 1964	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	32

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2488-4-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2488-10-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2488-8-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2488-5-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2488-11-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2488-13-0x0000000013140000-0x00000000131FB000-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

Processes:

aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exeaeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exeexplorer.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.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

Processes:

aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

System Information Discovery

Processes:

aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeSecurityPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeBackupPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeRestorePrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeShutdownPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeDebugPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeUndockPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: 33	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: 34	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Token: 35	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

pid	Process
2460	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exeaeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2460 wrote to memory of 2488	2460	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2488	2460	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2488	2460	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2488	2460	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2488	2460	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2488	2460	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2488	2460	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2488	2460	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	31
PID 2488 wrote to memory of 1964	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	32
PID 2488 wrote to memory of 1964	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	32
PID 2488 wrote to memory of 1964	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	32
PID 2488 wrote to memory of 1964	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	32
PID 2488 wrote to memory of 1964	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	32
PID 2488 wrote to memory of 1964	2488	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe	32

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

Processes:

aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\aeca8c25221df8d4e20f5e1a033883a7_JaffaCakes118.exe
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Checks BIOS information in registry
  - Windows security modification
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2488
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1964

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

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

3

System Information Discovery

3