ca38f6e2fd6b910bf8a487dcf0775c6881260f0d02593777b4f0f1ccb0d93eda

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Stub.exe

Windows security bypass 2 TTPs 1 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	Stub.exe

Executes dropped EXE 2 IoCs

pid	Process
2464	Stub.exe
3024	Stub.exe

Loads dropped DLL 2 IoCs

pid	Process
2412	2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe
2464	Stub.exe

Windows security modification 2 TTPs 1 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	Stub.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Stub.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Stub.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Stub.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2464 set thread context of 3024	2464	Stub.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: 33	2412	2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2412	2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe
Token: 33	2412	2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2412	2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe
Token: 33	2412	2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2412	2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe
Token: 33	2412	2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2412	2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe
Token: 33	2464	Stub.exe
Token: SeIncBasePriorityPrivilege	2464	Stub.exe
Token: SeBackupPrivilege	2464	Stub.exe
Token: 33	2464	Stub.exe
Token: SeIncBasePriorityPrivilege	2464	Stub.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2464	Stub.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2464	2412	2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe	30
PID 2412 wrote to memory of 2464	2412	2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe	30
PID 2412 wrote to memory of 2464	2412	2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe	30
PID 2412 wrote to memory of 2464	2412	2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe	30
PID 2464 wrote to memory of 3024	2464	Stub.exe	32
PID 2464 wrote to memory of 3024	2464	Stub.exe	32
PID 2464 wrote to memory of 3024	2464	Stub.exe	32
PID 2464 wrote to memory of 3024	2464	Stub.exe	32
PID 2464 wrote to memory of 3024	2464	Stub.exe	32
PID 2464 wrote to memory of 3024	2464	Stub.exe	32
PID 2464 wrote to memory of 3024	2464	Stub.exe	32
PID 2464 wrote to memory of 3024	2464	Stub.exe	32

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Stub.exe

C:\Users\Admin\AppData\Local\Temp\2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2e34d9933bcbb900c294a21b352fcee5_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Xenocode\Sandbox\lDynScdbgQKRvI\1.00\2012.07.19T00.35\Virtual\STUBEXE\@APPDATALOCAL@\Temp\Stub.exe
  "C:\Users\Admin\AppData\Local\Temp\Stub.exe"
  2⤵
  - UAC bypass
  - Windows security bypass
  - Executes dropped EXE
  - Loads dropped DLL
  - Windows security modification
  - Checks whether UAC is enabled
  - Maps connected drives based on registry
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2464
- - C:\Users\Admin\AppData\Local\Xenocode\Sandbox\lDynScdbgQKRvI\1.00\2012.07.19T00.35\Virtual\STUBEXE\@APPDATALOCAL@\Temp\Stub.exe
    C:\Users\Admin\AppData\Local\Temp\Stub.exe
    3⤵
    - Executes dropped EXE
    PID:3024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry