2445cda2f498a53850e74f311574f33966bee0ffdec28030d6326a3d3dfef42c

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	Planilha.exe

UAC bypass 3 TTPs 1 IoCs

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"	Planilha.exe

Windows security bypass 2 TTPs 7 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\UACDisableNotify = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\AntiVirusDisableNotify = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\AntiVirusOverride = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\FirewallDisableNotify = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\FirewallOverride = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\UpdatesDisableNotify = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\UpdatesOverride = "1"	Planilha.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\NatGat_.exe	Planilha.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2056-0-0x0000000000400000-0x0000000000509000-memory.dmp	upx
behavioral1/memory/2056-7-0x0000000000400000-0x0000000000509000-memory.dmp	upx

Windows security modification 2 TTPs 11 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\Svc	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\InternetSettingsDisableNotify = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\AntiVirusOverride = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\FirewallDisableNotify = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\FirewallOverride = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\UpdatesOverride = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\UACDisableNotify = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\FirstRunDisabled = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\AutoUpdateDisableNotify = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\AntiVirusDisableNotify = "1"	Planilha.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Security Center\UpdatesDisableNotify = "1"	Planilha.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"	Planilha.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Planilha.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 37 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b0f87345e4ebda01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000002aec918cb9fa9248b7812ac80df2e74c00000000020000000000106600000001000020000000bddc69d43470ff7aae5b18b70273482db4f4e6d0f124921703ecb16ee122e789000000000e8000000002000020000000955cd4b84858fe87249ce46bace5c08b32a90a7cbfa45358bcf3685d20cbef432000000088ef44d15ffccf2099bad4f470d323d7c49ba2822cd7e34a226ab501f0612e9940000000b21640273212e64f693872dedb8d6f3d8b95d0431c6a4bca55b4bef1660d66ee9e1196c85b4644505c01a1a623bc5610bba4219e2a1b759bab8670248a0474aa	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Download	Planilha.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	Planilha.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{6C9B50F1-57D7-11EF-BB9C-566676D6F1CF} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "429538690"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "1"	Planilha.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe

Modifies registry class 16 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\Beholder.exe	Planilha.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\Nicrosoft.exe	Planilha.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\Applications\regss.exe\TaskbarGroupIcon = "C:\\Program Files\\AVG\\AVG10\\avguires.dll,-128"	Planilha.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\Applications\Nicrosoft.exe\TaskbarGroupIcon = "C:\\Program Files\\AVG\\AVG10\\avguires.dll,-128"	Planilha.exe
Key created	\REGISTRY\USER\S-1-5-21-15044950-4219544130-4274662314-1000\Software\Classes\Applications\inicio.exe	Planilha.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\Nicrosoft.exe\NoOpenWith	Planilha.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\NatGat_.exe	Planilha.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\NatGat_.exe\NoOpenWith	Planilha.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\Applications\regss.exe	Planilha.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\Applications	Planilha.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\Applications\NatGat_.exe\TaskbarGroupIcon = "C:\\Program Files\\AVG\\AVG10\\avguires.dll,-128"	Planilha.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\Applications\Nicrosoft.exe	Planilha.exe
Key created	\REGISTRY\USER\S-1-5-21-15044950-4219544130-4274662314-1000\Software\Classes\Applications\Nicrosoft.exe	Planilha.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Applications\Beholder.exe\NoOpenWith	Planilha.exe
Key created	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000_CLASSES\Applications\NatGat_.exe	Planilha.exe
Key created	\REGISTRY\USER\S-1-5-21-15044950-4219544130-4274662314-1000\Software\Classes\Applications\regss.exe	Planilha.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2564	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2564	iexplore.exe
2564	iexplore.exe
2120	IEXPLORE.EXE
2120	IEXPLORE.EXE
2120	IEXPLORE.EXE
2120	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2564	2056	Planilha.exe	30
PID 2056 wrote to memory of 2564	2056	Planilha.exe	30
PID 2056 wrote to memory of 2564	2056	Planilha.exe	30
PID 2056 wrote to memory of 2564	2056	Planilha.exe	30
PID 2564 wrote to memory of 2120	2564	iexplore.exe	31
PID 2564 wrote to memory of 2120	2564	iexplore.exe	31
PID 2564 wrote to memory of 2120	2564	iexplore.exe	31
PID 2564 wrote to memory of 2120	2564	iexplore.exe	31

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

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

C:\Users\Admin\AppData\Local\Temp\Planilha.exe
"C:\Users\Admin\AppData\Local\Temp\Planilha.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- UAC bypass
- Windows security bypass
- Drops startup file
- Windows security modification
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2056
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://pinkaholic.ru/products/erro.php
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2564
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2564 CREDAT:275457 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2120

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry