Analysis
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max time kernel
151s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 13:15
Static task
static1
Behavioral task
behavioral1
Sample
bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe
Resource
win7-20221111-en
General
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Target
bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe
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Size
855KB
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MD5
4425b45b99f2bfd386e81e3283f6bae7
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SHA1
79d666ce93787e344ed1599c012f5484d4c71b31
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SHA256
bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb
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SHA512
df2fc221f4946bd517c3f3c6b00d74bbba871909b82eb374ce27350857bcf752c333cdb85f615df231ea2f68028dca4be520db3e88a5102a937f3662e160d1b0
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SSDEEP
1536:ybcbXVDMo9fgw5Y0ZlUmp/xLVQ8GW9AWPdApTbJ7mLcaQ9yrKYcU:yWMot5Y0Z2enQ8G0AVpTTaOyrv
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 18 IoCs
Processes:
winlogon.exedescription ioc process 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 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\StandardProfile\DisableNotifications = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\EnableFirewall = "0" winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile 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\AuthorizedApplications\List 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 Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\DoNotAllowExceptions = "0" winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile 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\StandardProfile\DoNotAllowExceptions = "0" winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\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-1-5-21-929662420-1054238289-2961194603-1000\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-1-5-21-929662420-1054238289-2961194603-1000\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\UacDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" winlogon.exe 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 -
Disables RegEdit via registry modification 1 IoCs
Processes:
winlogon.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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 3 IoCs
Processes:
winlogon.exewinlogon.exewinlogon.exepid process 1972 winlogon.exe 1184 winlogon.exe 4656 winlogon.exe -
Sets file execution options in registry 2 TTPs 64 IoCs
Processes:
winlogon.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\outpostinstall.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgemc.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ashWebSv.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\csinsm32.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\icmoon.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mfweng3.02d30.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mgavrtcl.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nd98spst.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mfw2en.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nvapsvc.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\popscan.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ahnsd.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cpd.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\defwatch.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\egui.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fsm32.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\scvhosl.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tds2-nt.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\vnlan300.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rescue.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\shn.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\zapsetup3001.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\claw95cf.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\evpn.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nc2000.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\panixk.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pcc2k_76_1436.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\netutils.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nsched32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sweep.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vnpc3000.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\IEXPLORE.EXE winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cmon016.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vswinntse.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\zauinst.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tracert.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\trjsetup.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\bootwarn.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\defalert.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\normist.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nupgrade.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nvlaunch.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nvc95.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pavw.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pcc2002s902.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atro55en.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FirewallControlPanel.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\f-stopw.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iparmor.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mcshield.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedt32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Restart.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgctrl.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\dv95_o.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\f-prot95.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\f-stopw.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vscan40.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 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\HostsChk.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Safari.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cwntdwmo.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ecls.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ntrtscan.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe -
Processes:
resource yara_rule behavioral2/memory/4016-135-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/4016-133-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/4016-136-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/4016-147-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/1184-151-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/4656-153-0x0000000000400000-0x000000000043D000-memory.dmp upx behavioral2/memory/4656-156-0x0000000000400000-0x000000000043D000-memory.dmp upx behavioral2/memory/4656-157-0x0000000000400000-0x000000000043D000-memory.dmp upx behavioral2/memory/4656-166-0x0000000000400000-0x000000000043D000-memory.dmp upx behavioral2/memory/1184-167-0x0000000000400000-0x000000000041A000-memory.dmp upx behavioral2/memory/4656-168-0x0000000000400000-0x000000000043D000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe -
Drops startup file 1 IoCs
Processes:
winlogon.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\winlogon.exe winlogon.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\AutoUpdateDisableNotify = "1" 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\UacDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\InternetSettingsDisableNotify = "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\AntiSpyWareDisableNotify = "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 Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Monitoring\SymantecFirewall winlogon.exe 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\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\Monitoring\DisableMonitoring = "1" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc 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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\CurrentVersion\Run winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E50B29BAACAA360FCC344254F83743208BA6735D23877EED = "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\B9373D14A02BC13F1345A3F7BC53B8BCC98D3B04DD0CD9CF = "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 3 IoCs
Processes:
bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exewinlogon.exewinlogon.exedescription pid process target process PID 2340 set thread context of 4016 2340 bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe PID 1972 set thread context of 1184 1972 winlogon.exe winlogon.exe PID 1184 set thread context of 4656 1184 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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\Sound winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\Sound\Beep = "no" winlogon.exe -
Processes:
IEXPLORE.EXEiexplore.exewinlogon.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "1319" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "4526" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "311145074" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "5903" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "4047" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "16275" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "no" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\google.com IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "197" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "311145074" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\hugedomains.com\NumberOfSubdomains = "1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30998341" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main winlogon.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "227" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "240" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\zaful.com\Total = "398" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.zaful.com\ = "1319" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "5020" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "5020" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043e2eb2e51ccf149ab640c8bdb0d790600000000020000000000106600000001000020000000ce198cfb5be09776e4c0e2a2c91dcaa09ce4ed09156f0f1f718cb7c4ba3638a9000000000e80000000020000200000007226709240c028d0d2b5f7fd9a895e2fea0d7f5d4b923e824e9332b1a2ea565e20000000dba841da257356b87838695d265405db2b86fcebd794f06696ee6d41d63bf9f8400000005b39293d309cb5480bc5d5d9894f9b3542862c08ba54553d4bce54c68b518f8f2c8cce2050b1785b8b63cddbec0384729b8beed11d1967df447c0a3589e80670 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "4168" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\zaful.com\Total = "319" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998341" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043e2eb2e51ccf149ab640c8bdb0d79060000000002000000000010660000000100002000000056bfb29186bdef3f14103da3e157c8aeff1df2ced346b80fbb23af9786079a03000000000e8000000002000020000000cfa2f6a6d070037d71f0c5ef9e3dec68d5068e77ec323b830373ee4739a1f3b920000000a54a1384c3fee1d8b4fa8ab01b5a40bc44d3abd79444d7a8baa2839d47a645e640000000cf9e6f10ea5e2290fde2250f2c6d64ad264d6c1f7d4993ee7f7d0a9127392f56c8c171d7fd260d9e4b3eeeec7c83a8f353110417e1d6900325d4974ace2214a4 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\photos.google.com\ = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Download winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Disable Script Debugger = "Yes" winlogon.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "214" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 0088751545ffd801 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "13663" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "4162" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "5026" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://m0ug85bki30a3d4.directorio-w.com" winlogon.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\zaful.com\NumberOfSubdomains = "1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\zaful.com\Total = "240" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\zaful.com\Total = "358" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\zaful.com\Total = "1716" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\photos.google.com IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "197" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "2785" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Search Page = "http://t07n2au1umq14hk.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "1363" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.zaful.com\ = "1716" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "115" IEXPLORE.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://1144t5h3jx234tf.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "375977457" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "1" winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Local Page = "http://06zv58kl13m79r2.directorio-w.com" winlogon.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "1298" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DOMStorage\accounts.google.com IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "10429" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000043e2eb2e51ccf149ab640c8bdb0d7906000000000200000000001066000000010000200000002538129464fa391b00e9e9fe8dd754d6072301918e43cddeae09d658bf6a052e000000000e8000000002000020000000e5d154321d89409e1fe051b146ce6dece44f9da4855d9618135ddf024fc6ac80200000009862da5ac24a09d60e02f8bf797752aa393a2cfeed255d54e649cd0119233df9400000007586e187f5aeb31fc3ea822c70698966836e81968126dd8e5d2c82c6e45771f8b083b0cd38384934fb4e4dcdf616252fc44089a8fb0a0648fc7d198f762fef71 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "2867" IEXPLORE.EXE -
Modifies Internet Explorer start page 1 TTPs 2 IoCs
Processes:
winlogon.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://1y97z87j6seml42.directorio-w.com" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://r9y74u494r9m558.directorio-w.com" winlogon.exe -
Modifies registry class 27 IoCs
Processes:
winlogon.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\ddeexec\Application winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\ddeexec\Application winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell 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 winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\ddeexec\Application winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\ddeexec winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\ddeexec 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\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-929662420-1054238289-2961194603-1000\{09BC16F4-C56E-4D99-9EEB-D6715C468CC3} IEXPLORE.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\command winlogon.exe Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-929662420-1054238289-2961194603-1000\{89FF8FAE-4963-4F7B-8325-697CCCCCE4C6} IEXPLORE.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https winlogon.exe Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-929662420-1054238289-2961194603-1000\{7E483AB3-6594-4D37-BB48-4FB6D0A351CE} IEXPLORE.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\ddeexec\Application\ = "IExplore" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\command 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\https\shell\open\command winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\ddeexec\Application\ = "IExplore" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE\"" winlogon.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
winlogon.exepid process 4656 winlogon.exe 4656 winlogon.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
winlogon.exedescription pid process Token: SeBackupPrivilege 4656 winlogon.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 3816 iexplore.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exewinlogon.exewinlogon.exeiexplore.exeIEXPLORE.EXEpid process 4016 bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe 1184 winlogon.exe 4656 winlogon.exe 3816 iexplore.exe 3816 iexplore.exe 2912 IEXPLORE.EXE 2912 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exebc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exewinlogon.exewinlogon.exeiexplore.exedescription pid process target process PID 2340 wrote to memory of 4016 2340 bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe PID 2340 wrote to memory of 4016 2340 bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe PID 2340 wrote to memory of 4016 2340 bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe PID 2340 wrote to memory of 4016 2340 bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe PID 2340 wrote to memory of 4016 2340 bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe PID 2340 wrote to memory of 4016 2340 bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe PID 2340 wrote to memory of 4016 2340 bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe PID 4016 wrote to memory of 1972 4016 bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe winlogon.exe PID 4016 wrote to memory of 1972 4016 bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe winlogon.exe PID 4016 wrote to memory of 1972 4016 bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe winlogon.exe PID 1972 wrote to memory of 1184 1972 winlogon.exe winlogon.exe PID 1972 wrote to memory of 1184 1972 winlogon.exe winlogon.exe PID 1972 wrote to memory of 1184 1972 winlogon.exe winlogon.exe PID 1972 wrote to memory of 1184 1972 winlogon.exe winlogon.exe PID 1972 wrote to memory of 1184 1972 winlogon.exe winlogon.exe PID 1972 wrote to memory of 1184 1972 winlogon.exe winlogon.exe PID 1972 wrote to memory of 1184 1972 winlogon.exe winlogon.exe PID 1184 wrote to memory of 4656 1184 winlogon.exe winlogon.exe PID 1184 wrote to memory of 4656 1184 winlogon.exe winlogon.exe PID 1184 wrote to memory of 4656 1184 winlogon.exe winlogon.exe PID 1184 wrote to memory of 4656 1184 winlogon.exe winlogon.exe PID 1184 wrote to memory of 4656 1184 winlogon.exe winlogon.exe PID 1184 wrote to memory of 4656 1184 winlogon.exe winlogon.exe PID 1184 wrote to memory of 4656 1184 winlogon.exe winlogon.exe PID 1184 wrote to memory of 4656 1184 winlogon.exe winlogon.exe PID 3816 wrote to memory of 2912 3816 iexplore.exe IEXPLORE.EXE PID 3816 wrote to memory of 2912 3816 iexplore.exe IEXPLORE.EXE PID 3816 wrote to memory of 2912 3816 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\System\PromptOnSecureDesktop = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "0" 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe"C:\Users\Admin\AppData\Local\Temp\bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2340 -
C:\Users\Admin\AppData\Local\Temp\bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exeC:\Users\Admin\AppData\Local\Temp\bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb.exe2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4016 -
C:\Users\Admin\E696D64614\winlogon.exe"C:\Users\Admin\E696D64614\winlogon.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1972 -
C:\Users\Admin\E696D64614\winlogon.exeC:\Users\Admin\E696D64614\winlogon.exe4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1184 -
C:\Users\Admin\E696D64614\winlogon.exe"C:\Users\Admin\E696D64614\winlogon.exe"5⤵
- 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
- Drops startup file
- 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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:4656
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C:\Windows\system32\wbem\unsecapp.exeC:\Windows\system32\wbem\unsecapp.exe -Embedding1⤵PID:2812
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C:\Program Files (x86)\Internet Explorer\ielowutil.exe"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding1⤵PID:3760
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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:3816 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3816 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2912
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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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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442
Filesize1KB
MD575d74db32c0f9bc6de90f871bb1a8317
SHA1b4d9c00fa54d1c94445d2825df0722b8fe67aada
SHA256e34681d36a61e2300692ddd9ecc97e99e68e51f8b250ea45d00cb0a273de76ed
SHA512a62f41f43a9ec02d81988dd216cd0926a30c304b584373a2b5c47d394ab02d8806c3c5ea6247bde9537c0c82026216c4910b7ec591a8a8cbf5c3cde694874324
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD5e32d02ce684c01ef3af05fae9066160e
SHA129c7a6e8ed553ac2765634265d1db041d6d422ec
SHA256b00322d178a6cfc206458c26b26d6c80596073bb3283dcc3fc4e33a4b5f29d71
SHA512e4e3175fb131095e4681ecb76d14dc74d059c0beafb6340965516c6d3d0538deb314b36a3f09df03b491edac84d5c0580e764fed1d8bca9abd4e65cb56167148
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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
MD5a23d14e29a03340350eedf7deeb335be
SHA134645a7b8af30e7e80820ccf7d3e12ae2c562c81
SHA25610aac9bb1946b24c335f10fbe1c0a83c10ed95a6503d97a5eb510107214741e5
SHA5122f394afca265d53db58c360dae75e2993e0cd1a5598a5b8a34a95e09d1c2e7d138c15f18fa7e7ef957e90d50f4dd4024e2dc22afd8e39aca9cffefd9bb14f98c
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD5daa2115ecaf4947fe602c35065d8cc54
SHA14ec7822748ffad0157f16af165c94663e5c8df7b
SHA2560970f663a7ef2895c3d6730275e046d27975a27d4418e92be13628998dc5dedd
SHA512c6ab90a382f1777d0674f9e0136b9c2a3675dfcc2cd01e769db8b3f408b63cd930e10db8ca55be42a11791d5292548126dc30e13f415da78551044987333bc05
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6BADA8974A10C4BD62CC921D13E43B18_1DC6D7385EA816C957BA2B715AC5C442
Filesize446B
MD5dd4a324a3aa5c6ad878659f3e3cfecda
SHA1f522f5ba6c3f9174a87e279b5e178701d5975d3c
SHA256736cc9d4c93f6aecc23fdf887b37c6945eb3d01a8e70470ed3448bfedb42ef99
SHA512e288b0575427a3ec9f6bcc9290b65d221cd04a52a1d79ce3647ace256a76472ec4f3729bf628e5edf2d93fea5d24679e28b1d11531ad7de09f3814a0d28ba3a6
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5b2e1ae0ff85d67868f30eef9200d2c87
SHA124a9d205faf3d9586752c6f60eee9247258ca7e9
SHA256ca02ea5cd521f8d7e09e362da6bd5786c3e76ea0a22f8e326b074bfeaac2c7c8
SHA5123b4150eef373df4a2c8961f841c54de3459612daf2804a58db5da03a99d4764d93222085e62c18fdba481a6558a9d9a783cb3dbb0d43678df59160e784d9cf5a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD5f327d66edf7d02ba9388c84a40aa9d02
SHA142b1a06cf0001265cbfd0ab901957542edb0411a
SHA256e313554617ded93cd217e81b12b14bf65b7eee3e356688dc7af36492d4a56f78
SHA512ebeb224ffb8c7fb153fefa91e44d66edaadfbbff0f05a7d83c057f5572f46d9b4b2d69400623c6f4481ed8b039c095f38ab7c985c07d4f9fed0f6d559b5680ae
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C67047FE238D580B731A13BEA5F7481F
Filesize480B
MD5daf8979ae16cca789fbd8ac6d0e4857e
SHA19dbe411be73fc38b8c2f19f691ce129a6f9854a0
SHA256cb561943ab36395de36e0e7cad9714ff7a2af7d7c24a975204086a3e9715731b
SHA512ccdcc2651c537e0caa17b7b090579f0d73d6af80e40df1bbbf4e404f983619cfe7fdaa776eb0265781162f47899fa879537b745152f5f09954ed188e0b29e701
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Filesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
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Filesize
855KB
MD54425b45b99f2bfd386e81e3283f6bae7
SHA179d666ce93787e344ed1599c012f5484d4c71b31
SHA256bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb
SHA512df2fc221f4946bd517c3f3c6b00d74bbba871909b82eb374ce27350857bcf752c333cdb85f615df231ea2f68028dca4be520db3e88a5102a937f3662e160d1b0
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Filesize
855KB
MD54425b45b99f2bfd386e81e3283f6bae7
SHA179d666ce93787e344ed1599c012f5484d4c71b31
SHA256bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb
SHA512df2fc221f4946bd517c3f3c6b00d74bbba871909b82eb374ce27350857bcf752c333cdb85f615df231ea2f68028dca4be520db3e88a5102a937f3662e160d1b0
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Filesize
855KB
MD54425b45b99f2bfd386e81e3283f6bae7
SHA179d666ce93787e344ed1599c012f5484d4c71b31
SHA256bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb
SHA512df2fc221f4946bd517c3f3c6b00d74bbba871909b82eb374ce27350857bcf752c333cdb85f615df231ea2f68028dca4be520db3e88a5102a937f3662e160d1b0
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Filesize
855KB
MD54425b45b99f2bfd386e81e3283f6bae7
SHA179d666ce93787e344ed1599c012f5484d4c71b31
SHA256bc77d4e07ccb007aab4860cee151a1e34d8dc77a31c09ffb639983927d22d0bb
SHA512df2fc221f4946bd517c3f3c6b00d74bbba871909b82eb374ce27350857bcf752c333cdb85f615df231ea2f68028dca4be520db3e88a5102a937f3662e160d1b0