1a46cad30ec7e82ad9a710c828d0959fa7081d427f46bafda60947b1b928663d

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

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

Windows security bypass 2 TTPs 1 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "1"	upslocal.exe

Executes dropped EXE 1 IoCs

pid	Process
2896	upslocal.exe

Windows security modification 2 TTPs 1 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "1"	upslocal.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Gerente = "C:\\Windows\\upslocal.exe"	upslocal.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"	upslocal.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\__tmp_rar_sfx_access_check_259397588	02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe
File created	C:\Windows\upslocal.exe	02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe
File opened for modification	C:\Windows\upslocal.exe	02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2896	upslocal.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 2896	2024	02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe	28
PID 2024 wrote to memory of 2896	2024	02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe	28
PID 2024 wrote to memory of 2896	2024	02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe	28
PID 2024 wrote to memory of 2896	2024	02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe	28
PID 2024 wrote to memory of 2896	2024	02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe	28
PID 2024 wrote to memory of 2896	2024	02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe	28
PID 2024 wrote to memory of 2896	2024	02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe	28

System policy modification 1 TTPs 4 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Attachments\ScanWithAntiVirus = "1"	upslocal.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\system	upslocal.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	upslocal.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Attachments	upslocal.exe

C:\Users\Admin\AppData\Local\Temp\02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\02244c8fc63d25e98e91386059c61ede_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\upslocal.exe
  "C:\Windows\upslocal.exe"
  2⤵
  - UAC bypass
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:2896

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

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control