47e5df70654cbcabc73440e2e29aa962baa66e09cfef1973cd9084c7b5b91b74

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"	3c17072460aa23cf616534a6bd598572.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 = "0"	3c17072460aa23cf616534a6bd598572.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 = "0"	3c17072460aa23cf616534a6bd598572.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"	3c17072460aa23cf616534a6bd598572.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2108 set thread context of 1700	2108	3c17072460aa23cf616534a6bd598572.exe	18

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\system\wincal.exe	3c17072460aa23cf616534a6bd598572.exe
File created	C:\WINDOWS\system\wincal.exe	3c17072460aa23cf616534a6bd598572.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 14 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeBackupPrivilege	1700	3c17072460aa23cf616534a6bd598572.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2108	3c17072460aa23cf616534a6bd598572.exe
1700	3c17072460aa23cf616534a6bd598572.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 1700	2108	3c17072460aa23cf616534a6bd598572.exe	18
PID 2108 wrote to memory of 1700	2108	3c17072460aa23cf616534a6bd598572.exe	18
PID 2108 wrote to memory of 1700	2108	3c17072460aa23cf616534a6bd598572.exe	18
PID 2108 wrote to memory of 1700	2108	3c17072460aa23cf616534a6bd598572.exe	18
PID 2108 wrote to memory of 1700	2108	3c17072460aa23cf616534a6bd598572.exe	18
PID 2108 wrote to memory of 1700	2108	3c17072460aa23cf616534a6bd598572.exe	18
PID 2108 wrote to memory of 1700	2108	3c17072460aa23cf616534a6bd598572.exe	18
PID 2108 wrote to memory of 1700	2108	3c17072460aa23cf616534a6bd598572.exe	18
PID 1700 wrote to memory of 2204	1700	3c17072460aa23cf616534a6bd598572.exe	31
PID 1700 wrote to memory of 2204	1700	3c17072460aa23cf616534a6bd598572.exe	31
PID 1700 wrote to memory of 2204	1700	3c17072460aa23cf616534a6bd598572.exe	31
PID 1700 wrote to memory of 2204	1700	3c17072460aa23cf616534a6bd598572.exe	31

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"	3c17072460aa23cf616534a6bd598572.exe

C:\Users\Admin\AppData\Local\Temp\3c17072460aa23cf616534a6bd598572.exe
"C:\Users\Admin\AppData\Local\Temp\3c17072460aa23cf616534a6bd598572.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\3c17072460aa23cf616534a6bd598572.exe
  "C:\Users\Admin\AppData\Local\Temp\3c17072460aa23cf616534a6bd598572.exe"
  2⤵
  - UAC bypass
  - Windows security bypass
  - Windows security modification
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1700
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http://www.google.cl/
    3⤵
    - Modifies Internet Explorer settings
    PID:2204

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2204 CREDAT:275457 /prefetch:2
1⤵
PID:3020

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