0ee170eb92a1063c45512e55aa2c4c7e40e58e1cdc77ce13b5fe56163b871531

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"	svchost.exe

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2788	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
1516	cmd.exe

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.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\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	Microsoft Windows.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 2708	2788	svchost.exe	37

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

pid	Process
1444	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2660	timeout.exe

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "402313183"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 205fe9ee46f4d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{194862C1-603A-11EE-915F-6AEC76ABF58F} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000ea3dc2a7c0fe4d49bd6e8f3e7e71513f00000000020000000000106600000001000020000000aca4a1a5c96459622cb22d66e77ecf0b2d431df99ee27c592870a81122fb9f93000000000e8000000002000020000000849d9a75387e58c60ef85095f3f0d0a4c13f0f2375376895f678000987621c66200000008ea16bc72d946f9c1f056d17d00ee5b904f1b195569deae8f285880d59234e3a40000000538ad268d011636e27fc7591fa54d6fd9ce1c5e7f76ca015e84699ad3051a0fc2eee0dc091127ad5fad58ddf7f746521dc04d2b1d08b74b2559e6c6b3f810291	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2480	Microsoft Windows.exe
2480	Microsoft Windows.exe
2804	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3068	iexplore.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2480	Microsoft Windows.exe
Token: SeDebugPrivilege	2788	svchost.exe
Token: SeDebugPrivilege	2804	powershell.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3068	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3068	iexplore.exe
3068	iexplore.exe
2576	IEXPLORE.EXE
2576	IEXPLORE.EXE
2576	IEXPLORE.EXE
2576	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2152	2480	Microsoft Windows.exe	28
PID 2480 wrote to memory of 2152	2480	Microsoft Windows.exe	28
PID 2480 wrote to memory of 2152	2480	Microsoft Windows.exe	28
PID 2480 wrote to memory of 2152	2480	Microsoft Windows.exe	28
PID 2480 wrote to memory of 1516	2480	Microsoft Windows.exe	30
PID 2480 wrote to memory of 1516	2480	Microsoft Windows.exe	30
PID 2480 wrote to memory of 1516	2480	Microsoft Windows.exe	30
PID 2480 wrote to memory of 1516	2480	Microsoft Windows.exe	30
PID 2152 wrote to memory of 1444	2152	cmd.exe	32
PID 2152 wrote to memory of 1444	2152	cmd.exe	32
PID 2152 wrote to memory of 1444	2152	cmd.exe	32
PID 2152 wrote to memory of 1444	2152	cmd.exe	32
PID 1516 wrote to memory of 2660	1516	cmd.exe	33
PID 1516 wrote to memory of 2660	1516	cmd.exe	33
PID 1516 wrote to memory of 2660	1516	cmd.exe	33
PID 1516 wrote to memory of 2660	1516	cmd.exe	33
PID 1516 wrote to memory of 2788	1516	cmd.exe	34
PID 1516 wrote to memory of 2788	1516	cmd.exe	34
PID 1516 wrote to memory of 2788	1516	cmd.exe	34
PID 1516 wrote to memory of 2788	1516	cmd.exe	34
PID 2788 wrote to memory of 2804	2788	svchost.exe	35
PID 2788 wrote to memory of 2804	2788	svchost.exe	35
PID 2788 wrote to memory of 2804	2788	svchost.exe	35
PID 2788 wrote to memory of 2804	2788	svchost.exe	35
PID 2788 wrote to memory of 2708	2788	svchost.exe	37
PID 2788 wrote to memory of 2708	2788	svchost.exe	37
PID 2788 wrote to memory of 2708	2788	svchost.exe	37
PID 2788 wrote to memory of 2708	2788	svchost.exe	37
PID 2788 wrote to memory of 2708	2788	svchost.exe	37
PID 2788 wrote to memory of 2708	2788	svchost.exe	37
PID 2788 wrote to memory of 2708	2788	svchost.exe	37
PID 2788 wrote to memory of 2708	2788	svchost.exe	37
PID 2788 wrote to memory of 2708	2788	svchost.exe	37
PID 2708 wrote to memory of 3068	2708	aspnet_regiis.exe	38
PID 2708 wrote to memory of 3068	2708	aspnet_regiis.exe	38
PID 2708 wrote to memory of 3068	2708	aspnet_regiis.exe	38
PID 2708 wrote to memory of 3068	2708	aspnet_regiis.exe	38
PID 3068 wrote to memory of 2576	3068	iexplore.exe	40
PID 3068 wrote to memory of 2576	3068	iexplore.exe	40
PID 3068 wrote to memory of 2576	3068	iexplore.exe	40
PID 3068 wrote to memory of 2576	3068	iexplore.exe	40

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"	svchost.exe

C:\Users\Admin\AppData\Local\Temp\Microsoft Windows.exe
"C:\Users\Admin\AppData\Local\Temp\Microsoft Windows.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2152
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:1444
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp44AE.tmp.bat""
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1516
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2660
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - UAC bypass
    - Windows security bypass
    - Executes dropped EXE
    - Windows security modification
    - Checks whether UAC is enabled
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:2788
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2804
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2708
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe" http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=aspnet_regiis.exe&platform=0009&osver=5&isServer=0&shimver=4.0.30319.0
        5⤵
        Modifies Internet Explorer settings
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:3068
      - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3068 CREDAT:275457 /prefetch:2
        6⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:2576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

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

Scheduled Task/Job

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry