Analysis
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max time kernel
255s -
max time network
363s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 18:39
Behavioral task
behavioral1
Sample
162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exe
Resource
win7-20221111-en
General
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Target
162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exe
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Size
766KB
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MD5
3d13cccbaf8188cbd9fe73d335a57cb9
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SHA1
ead58a588c5e050afc2a911008c12fe8f6806aa4
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SHA256
162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540
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SHA512
be1b1412aa83f49f92d86f027941f4023d2470eb194e31b00a78273e132e69bfb250bb2bb3de8ed71ed54108065c23fb0165afe450beb614a69ba6afc707ad79
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SSDEEP
3072:/PigQTYHrQbQ+cVEwTMZpgITj+uAdS58UVMwout:/PigQowoS
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 14 IoCs
Processes:
winlogon.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" winlogon.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\E696D64614\winlogon.exe = "C:\\Users\\Admin\\E696D64614\\winlogon.exe:*:Enabled:@xpsp2res.dll,-70554750" winlogon.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\DisableNotifications = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\DoNotAllowExceptions = "0" winlogon.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" winlogon.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet002\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\E696D64614\winlogon.exe = "C:\\Users\\Admin\\E696D64614\\winlogon.exe:*:Enabled:@xpsp2res.dll,-57951861" winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile winlogon.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\E696D64614\winlogon.exe = "C:\\Users\\Admin\\E696D64614\\winlogon.exe:*:Enabled:@xpsp2res.dll,-28956246" winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications winlogon.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\EnableFirewall = "0" winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List winlogon.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\E696D64614\winlogon.exe = "C:\\Users\\Admin\\E696D64614\\winlogon.exe:*:Enabled:@xpsp2res.dll,-53342401" winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List winlogon.exe -
Modifies security service 2 TTPs 1 IoCs
Processes:
winlogon.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4" winlogon.exe -
Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
Processes:
winlogon.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "3" winlogon.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
Processes:
winlogon.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" winlogon.exe -
Processes:
winlogon.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "1" winlogon.exe -
Processes:
winlogon.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "0" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winlogon.exe -
Disables RegEdit via registry modification 1 IoCs
Processes:
winlogon.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" winlogon.exe -
Disables Task Manager via registry modification
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Drops file in Drivers directory 1 IoCs
Processes:
winlogon.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts winlogon.exe -
Executes dropped EXE 2 IoCs
Processes:
winlogon.exewinlogon.exepid process 1448 winlogon.exe 560 winlogon.exe -
Sets file execution options in registry 2 TTPs 64 IoCs
Processes:
winlogon.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cfind.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\claw95.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\EHttpSrv.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rshell.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fslaunch.exe winlogon.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SCANOST.EXE winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\amon9x.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avkwctl9.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cfgwiz.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\WS2Fix.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ecengine.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\icsuppnt.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pccwin98.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rrguard.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\scrscan.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\trjsetup.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\winhlpp32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avptc32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccapp.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\drwatson.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\esafe.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msblast.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ostronet.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sd.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tasklist.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ntdetect.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbamgui.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\callmsi.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navw32.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navwnt.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sharedaccess.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sweep95.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tca.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\bd_professional.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\css1631.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\guard.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kavpers40eng.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mcupdate.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\syshelp.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\procexp.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\blackice.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cv.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\deputy.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fast.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\moolive.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nisserv.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\outpost.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rulaunch.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tc.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SandboxieWUAU.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fsmb32.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navapw32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pcdsetup.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\zlh.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navengnavex15.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navlu32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pccpfw.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rescue.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sweep.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avpupd.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\neomonitor.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\winroute.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avguard.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\defscangui.exe winlogon.exe -
Processes:
resource yara_rule behavioral1/memory/268-57-0x0000000000400000-0x0000000000447000-memory.dmp upx \Users\Admin\E696D64614\winlogon.exe upx behavioral1/memory/268-59-0x00000000024F0000-0x0000000002537000-memory.dmp upx \Users\Admin\E696D64614\winlogon.exe upx C:\Users\Admin\E696D64614\winlogon.exe upx behavioral1/memory/1448-65-0x0000000000400000-0x0000000000447000-memory.dmp upx behavioral1/memory/268-66-0x0000000000400000-0x0000000000447000-memory.dmp upx behavioral1/memory/1448-69-0x0000000000400000-0x0000000000447000-memory.dmp upx C:\Users\Admin\E696D64614\winlogon.exe upx C:\Users\Admin\E696D64614\winlogon.exe upx behavioral1/memory/560-71-0x0000000000400000-0x000000000043F000-memory.dmp upx behavioral1/memory/560-75-0x0000000000400000-0x000000000043F000-memory.dmp upx behavioral1/memory/560-76-0x0000000000400000-0x000000000043F000-memory.dmp upx behavioral1/memory/560-88-0x0000000000400000-0x000000000043F000-memory.dmp upx behavioral1/memory/560-89-0x0000000000400000-0x000000000043F000-memory.dmp upx -
Loads dropped DLL 2 IoCs
Processes:
162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exepid process 268 162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exe 268 162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
winlogon.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring\SymantecFirewall\DisableMonitoring = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AutoUpdateDisableNotify = "1" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring\SymantecFirewall winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\cval = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpyWareDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "0" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring\DisableMonitoring = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring\SymantecAntiVirus\DisableMonitoring = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\InternetSettingsDisableNotify = "1" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring\SymantecAntiVirus winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winlogon.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
winlogon.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\44A4A47535754465 = "C:\\Users\\Admin\\E696D64614\\winlogon.exe" winlogon.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\44A4A47535754465 = "C:\\Users\\Admin\\E696D64614\\winlogon.exe" winlogon.exe -
Processes:
winlogon.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winlogon.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
winlogon.exedescription pid process target process PID 1448 set thread context of 560 1448 winlogon.exe winlogon.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies Control Panel 2 IoCs
Processes:
winlogon.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Control Panel\Sound winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Control Panel\Sound\Beep = "no" winlogon.exe -
Processes:
winlogon.exeiexplore.exeIEXPLORE.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no" winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://r612d4q91gkp4c6.directorio-w.com" winlogon.exe Set value (data) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 800431ee86ffd801 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Disable Script Debugger = "Yes" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://5d4xn98i5injm4r.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Download winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Local Page = "http://1kc2ejzo4848bke.directorio-w.com" winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://c93vm7604x1qlwi.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Main winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Search Page = "http://851a3z16x1c4280.directorio-w.com" winlogon.exe Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{0150EBC1-6B7A-11ED-AC54-767CA9D977BF} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003bad9e5810411a41b405bdc87c3b0eb800000000020000000000106600000001000020000000a12fd0b4035f12caccb6ea41c63cdd7aab6ddd02b6b91f07ac1e2771a8483b1b000000000e80000000020000200000006789bd69a01fdd7d119e013c76dde71392d9250405706c277788e65adfa2be0e20000000d6d195459ba1fe8b940ea0a8540b8ae18a625f1496f81988eaabfec81c81bc7340000000c4a40462ba0e50ec65a009e6f3791d9b5023448685b450e043ea63672fcc4c8ef3e90994f337385d296ecbb4c35e5cdf9f76a121ac60b445540b4ef27c429939 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Local Page = "http://655kf090gwm4yk1.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "1" winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Search Page = "http://j0jc8hj799qv403.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Search_URL = "http://700048w944g9m41.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe -
Modifies Internet Explorer start page 1 TTPs 2 IoCs
Processes:
winlogon.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://785k60j0t2ec41e.directorio-w.com" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://h853ba055f9cpg7.directorio-w.com" winlogon.exe -
Modifies registry class 24 IoCs
Processes:
winlogon.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\command winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\ddeexec\Application winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\ddeexec winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\ddeexec winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\ddeexec\Application\ = "IExplore" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\command winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\command winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\ddeexec\Application winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\ddeexec\Application\ = "IExplore" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\ddeexec\Application winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\ddeexec winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\ddeexec\Application\ = "IExplore" winlogon.exe -
Processes:
winlogon.exewinlogon.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 winlogon.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 winlogon.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 winlogon.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
winlogon.exepid process 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe 560 winlogon.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
winlogon.exedescription pid process Token: SeBackupPrivilege 560 winlogon.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 824 iexplore.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exewinlogon.exewinlogon.exeiexplore.exeIEXPLORE.EXEpid process 268 162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exe 1448 winlogon.exe 560 winlogon.exe 824 iexplore.exe 824 iexplore.exe 1340 IEXPLORE.EXE 1340 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exewinlogon.exeiexplore.exedescription pid process target process PID 268 wrote to memory of 1448 268 162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exe winlogon.exe PID 268 wrote to memory of 1448 268 162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exe winlogon.exe PID 268 wrote to memory of 1448 268 162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exe winlogon.exe PID 268 wrote to memory of 1448 268 162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exe winlogon.exe PID 1448 wrote to memory of 560 1448 winlogon.exe winlogon.exe PID 1448 wrote to memory of 560 1448 winlogon.exe winlogon.exe PID 1448 wrote to memory of 560 1448 winlogon.exe winlogon.exe PID 1448 wrote to memory of 560 1448 winlogon.exe winlogon.exe PID 1448 wrote to memory of 560 1448 winlogon.exe winlogon.exe PID 1448 wrote to memory of 560 1448 winlogon.exe winlogon.exe PID 1448 wrote to memory of 560 1448 winlogon.exe winlogon.exe PID 1448 wrote to memory of 560 1448 winlogon.exe winlogon.exe PID 1448 wrote to memory of 560 1448 winlogon.exe winlogon.exe PID 824 wrote to memory of 1340 824 iexplore.exe IEXPLORE.EXE PID 824 wrote to memory of 1340 824 iexplore.exe IEXPLORE.EXE PID 824 wrote to memory of 1340 824 iexplore.exe IEXPLORE.EXE PID 824 wrote to memory of 1340 824 iexplore.exe IEXPLORE.EXE -
System policy modification 1 TTPs 4 IoCs
Processes:
winlogon.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "1" winlogon.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exe"C:\Users\Admin\AppData\Local\Temp\162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:268 -
C:\Users\Admin\E696D64614\winlogon.exe"C:\Users\Admin\E696D64614\winlogon.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1448 -
C:\Users\Admin\E696D64614\winlogon.exe"C:\Users\Admin\E696D64614\winlogon.exe"3⤵
- Modifies firewall policy service
- Modifies security service
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Drops file in Drivers directory
- Executes dropped EXE
- Sets file execution options in registry
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Modifies Control Panel
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Modifies registry class
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:560
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:824 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:824 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1340
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize2KB
MD538a9ee40b61155284982e2fa94ecabb8
SHA148847436aebb7737c0ffb7a1c7890b97277372ec
SHA25639dfe13c61cf08b31abb081fb69a84fd106d9dce588d98bcda717b361403f3a5
SHA5121ba66cc021295bd0d08b5882b41e48b68c5091de41d6e451f48c291ef4e837e8783ac36af6cc08fc4efe382cb8563358a48939a5902d5ad6ff69bbd9bc71a553
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Filesize
7KB
MD5f739b394d30d392d8eb28922bf5a7e12
SHA178124ad341a0e03ecbb7660011409767e6678fef
SHA2564fff638b8a8f8004eb7a6f5d71ba702373ece50bbe85f499d00d09e7c86dc543
SHA51248cf40407485d1a22f728220a64dc15e85cf051a44104019efa868cc7fccdefcfea2169eea8fb72be819a8c67892aeee72fd22deca31b8bfbd3f8018e55e215f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD523c896e3fc14b0352780bf8710ebd27a
SHA1f80cbc14c2447f02c067cc2c126e105b552d472b
SHA256df2d1a8ad65c48cb714d0157f4e14c374e45493c7e2ed1a03911f558055108c0
SHA512230372de75058a3b6456b1f44efc95695a85d7317fc6e2575a8772af900a08e059aa8a5397a37e1231ffa6bb2e8a2684bc2e6a35cba500818a417387c915908e
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Filesize
472B
MD5176c5bdeeb799ec212e8b21126aa58d5
SHA102c76719828821643ec84cfe61ecb4499838021c
SHA256eaa1c4ffce046f2951b93258d2c8c396da596a86c40cb3954ea8ceb4b13aa842
SHA512a8fcd3787e674c37c70bce3a3cb0cdf832c03483d01a29887183ca8345d632f0bb75509586b07218e9c4d06c5d1a413dc26374270789b147446d54cf0303f3ed
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD53d7c8ca9351077fd00fbf1cdecae78be
SHA190546bb8781381e890a0836efd80c241bebd4082
SHA2566fddd60820137c4646b123ef1d0bbcbe788b3dad083455ca04221c83b77c1b11
SHA512582910e209d627e14effc5e8fe1de82769797c220e16e422888cec277f463af94643ccece85c2cd90c61bd4f704909126f9b8ae2b841ae7d25f8e57b8787abf3
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\82CB34DD3343FE727DF8890D352E0D8F
Filesize232B
MD5d089a2445d717dfeb2dd53b59e20741f
SHA1f0b83d472a166efccd9dc2193e7412d4dfa613a2
SHA256f7fc2320ef0e9902e20cc8efd121d8a4e35924056963157d637becef80e6b843
SHA512cc6adf6ca7637ba29f435d0cfe2fdd0225e97a344f8e18eb3b99f56e61c84956f79091c5af5caa42f7f75c5728607b0311f3d00e3f5077609deaf74857c69d19
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5f2093902e2356953004d656b5c7f9471
SHA1f963f8e739575462005b66711be70697e8fe8079
SHA25677f144a67a3a6d1e046465943ced1e671b2311878a95dd165f6921fcc937d2f4
SHA51230e1370b0ec2de72b2ac3541758da8fea465b1196214d0a928584e316542f95d4e112edc3944118e626f4e31d4574bce9fc6971c79ac6778de6a5284997213bf
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5222f87adfdbaf1256d07cf1a31ff0f08
SHA1e0ab79cc8e20c18afd906db9cb179bb4ac1a0fbf
SHA2564e187b111d630d8d84004d36687c882bd78cba7b8a041c86419a09fd2d0798d8
SHA512434984b68b3c7f2a16082b3c30e77f6bfe080fc0d4e7ee42a40c1979825a2d903da609918edc0c51c0ab8ec18be48308d3c61c317dbd5b5a24397d3ac7e0ddf3
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5b2298df584414b229db034e9bc268c52
SHA128f3209f1e5a3312daf1efbcc1d3331e9c83a957
SHA256feeae51230b4101402e59f85bd9f010a6f1914d351c10aabb2a835d75726645e
SHA5129a5623c0cbfc5075c86bd1f912402ab87d0bd7d659b92419e69c64e129e6ecc6bdd9f6e948edbfd064197e0b290943f606d353034180a95c4e53aa5fab08bd9f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD53575d869be998dba01c64bbb353f25b2
SHA1208cab288cd55b3942a9e0a483efd72581d8690f
SHA25648660bdaf72683f2308eefcb2794caf027c503bdc9f1578dc6dfa94b60ee4f27
SHA512c82729f4533c60f7c7a8b467c36f791221f3c1e2671c9a6c11bd37a43b92d825b1db424e552ecf586febe2f02c0de165280a87792d84453d67aff74fe1f685c2
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD5fb4d63120a98e816036ed8954a62e649
SHA191caa74ecfde244400a5e414a8ed04429b1e78fa
SHA2567a46564fadc6249f90a91bb677e5b0414181de55af3a8fc23bf67c13679ac4ef
SHA512ca61baeba26f516de517707b2e4e3973f46488bb01790df37f9c1b21915c5c723a708ef8285cde36e642fcc36a71ef58eb3c4db962c65193b120f6df61729842
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C67047FE238D580B731A13BEA5F7481F
Filesize480B
MD5d1b99239789cffb6a36e1e36e0683b72
SHA135915a518bb096fc25f13c98d23729c5a914ce2c
SHA2563f11deea96717d69aa60d07bf590e0eb0674a5b95249b540845e4228df3e20a3
SHA512956c6ae413cf426ef82f9c0d5ab8af2c39d19706e1efc88e2f20e57e2c0b98d2a86bf0caeab59bb8bdc28210c908f9a0e7bbdf6420a79d75e8280b898655187c
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Filesize
97B
MD5b2e151e2f2f5ff9f436d1a216f0865ab
SHA1f5de7f5defd477f912e855798f6193e8455fe43a
SHA2560256b17c7d6860e96b8478db02350eeaac88dacc31608635e6fdb9c5c512032b
SHA51207bc8551c287c4dae09655ed5d72ed9142a11808d28b7884f1e69f4d198719c86d931ec53683f7e5c8a1d382c870ef6d671e51f8eba194892e11ec80beb5b6e5
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Filesize
766KB
MD53d13cccbaf8188cbd9fe73d335a57cb9
SHA1ead58a588c5e050afc2a911008c12fe8f6806aa4
SHA256162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540
SHA512be1b1412aa83f49f92d86f027941f4023d2470eb194e31b00a78273e132e69bfb250bb2bb3de8ed71ed54108065c23fb0165afe450beb614a69ba6afc707ad79
-
Filesize
766KB
MD53d13cccbaf8188cbd9fe73d335a57cb9
SHA1ead58a588c5e050afc2a911008c12fe8f6806aa4
SHA256162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540
SHA512be1b1412aa83f49f92d86f027941f4023d2470eb194e31b00a78273e132e69bfb250bb2bb3de8ed71ed54108065c23fb0165afe450beb614a69ba6afc707ad79
-
Filesize
766KB
MD53d13cccbaf8188cbd9fe73d335a57cb9
SHA1ead58a588c5e050afc2a911008c12fe8f6806aa4
SHA256162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540
SHA512be1b1412aa83f49f92d86f027941f4023d2470eb194e31b00a78273e132e69bfb250bb2bb3de8ed71ed54108065c23fb0165afe450beb614a69ba6afc707ad79
-
Filesize
766KB
MD53d13cccbaf8188cbd9fe73d335a57cb9
SHA1ead58a588c5e050afc2a911008c12fe8f6806aa4
SHA256162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540
SHA512be1b1412aa83f49f92d86f027941f4023d2470eb194e31b00a78273e132e69bfb250bb2bb3de8ed71ed54108065c23fb0165afe450beb614a69ba6afc707ad79
-
Filesize
766KB
MD53d13cccbaf8188cbd9fe73d335a57cb9
SHA1ead58a588c5e050afc2a911008c12fe8f6806aa4
SHA256162b668410a7ea7a257f146c2867f3a98e2a7b9a0e63c8641b6c1d745113d540
SHA512be1b1412aa83f49f92d86f027941f4023d2470eb194e31b00a78273e132e69bfb250bb2bb3de8ed71ed54108065c23fb0165afe450beb614a69ba6afc707ad79