Analysis
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max time kernel
97s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07-09-2024 12:47
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe
Resource
win7-20240729-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
14 signatures
150 seconds
General
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Target
Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe
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Size
26KB
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MD5
dfd2c0f4b4f1366cd3a91a82eb5d649b
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SHA1
6e109c129ce7415f7c81969f5b3e7fba94b8ad85
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SHA256
44744ac47a2c90d6cdd3b592f3e1952edcd2aa5d66d8644f42b81c00e29695d7
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SHA512
cad6f3e1519645e0bc665b4ad852ef79ba9a49781da1631eb7626e927dbe5cdf960321e628a3fccc5173299d9c2b6676a989b9e7f1f172810406e1074849c2e2
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SSDEEP
768:qq3G3q83wdv7GLGS1R9TNoINEx9jnhwrT:Jkq83wdv7GtN
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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation Krnl32.exe -
Executes dropped EXE 1 IoCs
pid Process 2288 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\\Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe" Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.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 37 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ARP.EXE Krnl32.exe File opened for modification C:\Windows\SysWOW64\certreq.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\regedit.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\at.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\attrib.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\autochk.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\BackgroundTransferHost.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\cleanmgr.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\CloudNotifications.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\appidtel.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\CameraSettingsUIHost.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\chkntfs.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\charmap.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\chkdsk.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\clip.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\autoconv.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\autofmt.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\cacls.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\choice.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\AtBroker.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\bitsadmin.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\bootcfg.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\ByteCodeGenerator.exe Krnl32.exe File created C:\Windows\SysWOW64\certreq.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\certutil.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\CheckNetIsolation.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\agentactivationruntimestarter.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\auditpol.exe Krnl32.exe File created C:\Windows\SysWOW64\bthudtask.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\calc.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\CertEnrollCtrl.exe Krnl32.exe File created C:\Windows\SysWOW64\certutil.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\cipher.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\cliconfg.exe Krnl32.exe File opened for modification C:\Windows\SysWOW64\cmd.exe Krnl32.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files\pirch98\events.ini Krnl32.exe 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 -
Drops file in Windows directory 44 IoCs
description ioc Process File opened for modification C:\Windows\SystemApps\Microsoft.Windows.FileExplorer_cw5n1h2txyewy\FileExplorer.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.PinningConfirmationDialog_cw5n1h2txyewy\PinningConfirmationDialog.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\MicrosoftWindows.UndockedDevKit_cw5n1h2txyewy\UndockedDevKit.exe Krnl32.exe File opened for modification C:\Windows\bfsvc.exe Krnl32.exe File opened for modification C:\Windows\sysmon.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.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\ParentalControls_cw5n1h2txyewy\WpcUapApp.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Windows.CBSPreview_cw5n1h2txyewy\CameraBarcodeScannerPreview.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.ECApp_8wekyb3d8bbwe\Microsoft.ECApp.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.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.BioEnrollment_cw5n1h2txyewy\BioEnrollmentHost.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.AssignedAccessLockApp_cw5n1h2txyewy\AssignedAccessLockApp.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\Microsoft.Windows.XGpuEjectDialog_cw5n1h2txyewy\XGpuEjectDialog.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\SystemApps\Microsoft.AsyncTextService_8wekyb3d8bbwe\Microsoft.AsyncTextService.exe Krnl32.exe File opened for modification C:\Windows\servicing\TrustedInstaller.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.SecureAssessmentBrowser_cw5n1h2txyewy\SecureAssessmentBrowser.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 opened for modification C:\Windows\hh.exe Krnl32.exe File created C:\Windows\hh.exe Krnl32.exe File opened for modification C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe Krnl32.exe File opened for modification C:\Windows\Boot\PCAT\memtest.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\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\ScreenClipping\ScreenClippingHost.exe Krnl32.exe File opened for modification C:\Windows\notepad.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\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.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.Win32WebViewHost_cw5n1h2txyewy\Win32WebViewHost.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.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\Speech\Common\sapisvr.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.Windows.PeopleExperienceHost_cw5n1h2txyewy\PeopleExperienceHost.exe Krnl32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Krnl32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NOTEPAD.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "9401487" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000074472bebe7af3a46942426e1e277b42a00000000020000000000106600000001000020000000ad78006e2c5e7a873b2b640001debd397127c180ce29c3295edd00b0594ec6b9000000000e8000000002000020000000947c374001b612a3b97960599d22dbccc334206e6b8e98ca63290ba16ef0fa88200000002dbeb0cb1345e9950af0559ed8c004fcf66d4acfaef479dee968ecf3a1abb0b74000000028dd1fa99f1793a9b4b2f80e4daf0b3d88e186b1ec06442b43113c5e37274dd44cd6ea62f6ac528e03d1414863ceb993c2965dd94ce2630d1d3c408140c5ac6d Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\VersionManager Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{2B187FF7-6D18-11EF-9912-EEE1DD5A0987} = "0" Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 803b75082501db01 Iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 708577082501db01 Iexplore.exe Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" Iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4285618823" Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31129892" Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31129893" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000074472bebe7af3a46942426e1e277b42a00000000020000000000106600000001000020000000a74055d998ebe06f595e9194f90413f565622781b9cd27568ef7222df1d09ce5000000000e80000000020000200000006646b94098a60afd257943110768a4f7d0f9cf497abb209f056cf98688e32012200000004e457653684c1f9d351dc721591d280c03cd21628f50beb742134d671f68e10f400000002fbb43144b087aeb6789233030e8a2785fa6b77ba38f152aa1d3098d66b9fd24dec661fc0aa847b3b8d9114fd4f2baba70335038bf8575c4611abcd70b50ff19 Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" Iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 Iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\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 Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31129892" Iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4285618823" Iexplore.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000_Classes\Local Settings Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe -
Opens file in notepad (likely ransom note) 1 IoCs
pid Process 3220 NOTEPAD.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4584 Iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4584 Iexplore.exe 4584 Iexplore.exe 1760 IEXPLORE.EXE 1760 IEXPLORE.EXE 1760 IEXPLORE.EXE 1760 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2572 wrote to memory of 2288 2572 Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe 83 PID 2572 wrote to memory of 2288 2572 Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe 83 PID 2572 wrote to memory of 2288 2572 Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe 83 PID 2572 wrote to memory of 3220 2572 Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe 85 PID 2572 wrote to memory of 3220 2572 Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe 85 PID 2572 wrote to memory of 3220 2572 Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe 85 PID 2288 wrote to memory of 4584 2288 Krnl32.exe 97 PID 2288 wrote to memory of 4584 2288 Krnl32.exe 97 PID 4584 wrote to memory of 1760 4584 Iexplore.exe 98 PID 4584 wrote to memory of 1760 4584 Iexplore.exe 98 PID 4584 wrote to memory of 1760 4584 Iexplore.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe"C:\Users\Admin\AppData\Local\Temp\Virus.Autorun.ATA_virussign.com_dfd2c0f4b4f1366cd3a91a82eb5d649b.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2572 -
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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2288 -
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=90013893%20HTTP/1.03⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4584 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4584 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1760
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\HELPME.TXT2⤵
- System Location Discovery: System Language Discovery
- Opens file in notepad (likely ransom note)
PID:3220
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD504ede744c1294fb087496e0d371511c5
SHA17f0fe32d23103dbc1c1028ffb626863a795358e6
SHA2560a4b8f0a5fa70ec6f8346ff1d99abc440b7df2ce594de520a4c88fc2a6589de3
SHA5120adf65c1bfd504779004106c4c1c41d3534eb9e5c8ae320adeb3f655b9903b7f9028ae73b6ee3d2471dae7d866bea7db001d9eea519a23b964ba31a5708c75eb
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD594cf8a9a8b28f3a395da34e768006df8
SHA19b7c85100e901b57a3c4fcdbb3559637344d0306
SHA2563dc92fb1a76eceaeabccabec28ad961e4fed822c1889a3a9bf4cf200837c0583
SHA5124dd98ab0e808cdccb630f88ed673bc71d288a3913fc6cbe201558c1cf95ac13b752d754722376c39b8c789dfd7ec1750b0491a784d7d675ce2c1e5709ca729fc
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
67B
MD5057798d389930107a381a2690141ac1d
SHA1e44f1c2475c0f2323507e141dcae53ffef51c624
SHA2565ba8c75f08589b808a6e16225ea565734aeeb23edc40894174d2d135f5e8d3d2
SHA51298b40b6a11027974b482cb645718d34c8ee707ad01d6eba05acbf15a3b8d7c762afc08fef6513623fefe6e297d77a838fbb980d944a4a8e864356dfabac473e2
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Filesize
26KB
MD5735245caf47be17a237dbb61e8dae973
SHA1d9f2e59274e7cd9c9812ebd862ec82d3d0aab842
SHA2565fed85a20e6535e57ec5534c1c2272b78cf66fa885172aaae2c7fe710adc1a72
SHA5128486bd930ae2e7224f813fdeb57da5af6bf855c6377b4fc52f4df184c391445b60c8be1b2634fde9f191ff93da801e57ada681cac6c0433c89933db98fe170bb