Analysis
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max time kernel
174s -
max time network
210s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
04-12-2022 08:50
Behavioral task
behavioral1
Sample
c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1.exe
Resource
win7-20221111-en
General
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Target
c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1.exe
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Size
260KB
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MD5
1557e68b525d56d1b3de05ff6c28b6a0
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SHA1
aab6ecceca716318881522bb9bbcc3a801fbdd45
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SHA256
c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1
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SHA512
93b43554535bbd4b3af46c4278a6e310f0fd8f6f28cdb03acc6c7e6feabcea748d6fcaa1fa1c812e360c11296250f799d70e3eace3af088777c575b81789eb99
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SSDEEP
3072:P33RyyebmUnstmppoJ5ISUzhRLUwh8464U/jTEmoutVe9WZl:v3RtebmUnstmppoJvoSMAz
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 18 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1" 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 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\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications 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 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\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 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 (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\EnableFirewall = "0" winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile winlogon.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications winlogon.exe -
Modifies security service 2 TTPs 1 IoCs
description 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
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "3" winlogon.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" winlogon.exe -
description 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 -
description 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
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts winlogon.exe -
Executes dropped EXE 2 IoCs
pid Process 4516 winlogon.exe 3628 winlogon.exe -
Sets file execution options in registry 2 TTPs 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avkwcl9.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\connectionmonitor.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\expert.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ldnetmon.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mcagent.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\CLVIEW.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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cfinet32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\luall.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pccmain.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\perswf.exe winlogon.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\MSQRY32.EXE winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\_avp.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\borg2.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.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\rescue.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.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\virusmdpersonalfirewall.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\UCCLSID.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avpmon.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.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\fix-it.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 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\smc.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cpf.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\MICROSOFTEDGEUPDATE.EXE winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pspf.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\undoboot.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\prckiller.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\acs.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SandboxieWUAU.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\blackd.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\swnetsup.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vbust.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vsisetup.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nupdate.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\scan95.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\zatutor.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avsched32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fsav530wtbyb.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\wsbgate.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\bipcp.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\doors.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fwinstall.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vscan40.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccpxysvc.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\autoupdate.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\csinject.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\escanh95.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navsched.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\realmon.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\serv95.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vbust.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\acs.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\autoupdate.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccshtdwn.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explored.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vscan.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\antivirus.exe winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avkservice.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\"" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\realmon.exe winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sweepsrv.sys.exe winlogon.exe -
resource yara_rule behavioral2/memory/1660-132-0x0000000000400000-0x0000000000487000-memory.dmp upx behavioral2/files/0x0007000000022e54-137.dat upx behavioral2/files/0x0007000000022e54-136.dat upx behavioral2/memory/1660-139-0x0000000000400000-0x0000000000487000-memory.dmp upx behavioral2/memory/4516-141-0x0000000000400000-0x0000000000487000-memory.dmp upx behavioral2/memory/4516-142-0x0000000000400000-0x0000000000487000-memory.dmp upx behavioral2/memory/3628-144-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral2/files/0x0007000000022e54-145.dat upx behavioral2/memory/3628-147-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral2/memory/3628-148-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral2/memory/3628-151-0x0000000000400000-0x0000000000426000-memory.dmp upx behavioral2/memory/3628-152-0x0000000000400000-0x0000000000426000-memory.dmp upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1.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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description 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\AntiVirusOverride = "0" 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\InternetSettingsDisableNotify = "1" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Monitoring 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\FirewallDisableNotify = "1" winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Monitoring\SymantecAntiVirus 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\SymantecAntiVirus\DisableMonitoring = "1" 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\AntiVirusDisableNotify = "1" winlogon.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AutoUpdateDisableNotify = "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\Monitoring\SymantecFirewall winlogon.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winlogon.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4516 set thread context of 3628 4516 winlogon.exe 87 -
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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\Sound\Beep = "no" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\Sound winlogon.exe -
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Search Page = "http://t5v1337fjtq558b.directorio-w.com" winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://n742f342a23x8qz.directorio-w.com" winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no" winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Disable Script Debugger = "Yes" winlogon.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Local Page = "http://3sf23xfw7710t0f.directorio-w.com" winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://qmqipo6uj3h086x.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://gku6qh2v4oo24o1.directorio-w.com" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Local Page = "http://014o27162qg60i4.directorio-w.com" winlogon.exe Set value (int) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "1" winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Search Page = "http://zj3t9dzzdrbwo71.directorio-w.com" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://od0yne8z6womd58.directorio-w.com" winlogon.exe Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Download winlogon.exe -
Modifies Internet Explorer start page 1 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://3l58dkue61y53ch.directorio-w.com" winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://588k7912520lys5.directorio-w.com" winlogon.exe -
Modifies registry class 24 IoCs
description ioc Process 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 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\shell\open\ddeexec 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 winlogon.exe 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\ftp\shell\open\ddeexec 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 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\ddeexec\Application winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\ddeexec winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\command winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\http winlogon.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\command 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 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\ddeexec\Application\ = "IExplore" winlogon.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeBackupPrivilege 3628 winlogon.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1660 c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1.exe 4516 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe 3628 winlogon.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1660 wrote to memory of 4516 1660 c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1.exe 86 PID 1660 wrote to memory of 4516 1660 c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1.exe 86 PID 1660 wrote to memory of 4516 1660 c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1.exe 86 PID 4516 wrote to memory of 3628 4516 winlogon.exe 87 PID 4516 wrote to memory of 3628 4516 winlogon.exe 87 PID 4516 wrote to memory of 3628 4516 winlogon.exe 87 PID 4516 wrote to memory of 3628 4516 winlogon.exe 87 PID 4516 wrote to memory of 3628 4516 winlogon.exe 87 PID 4516 wrote to memory of 3628 4516 winlogon.exe 87 PID 4516 wrote to memory of 3628 4516 winlogon.exe 87 PID 4516 wrote to memory of 3628 4516 winlogon.exe 87 -
System policy modification 1 TTPs 4 IoCs
description 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 Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1" winlogon.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1.exe"C:\Users\Admin\AppData\Local\Temp\c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1.exe"1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Users\Admin\E696D64614\winlogon.exe"C:\Users\Admin\E696D64614\winlogon.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4516 -
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
- 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:3628
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
260KB
MD51557e68b525d56d1b3de05ff6c28b6a0
SHA1aab6ecceca716318881522bb9bbcc3a801fbdd45
SHA256c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1
SHA51293b43554535bbd4b3af46c4278a6e310f0fd8f6f28cdb03acc6c7e6feabcea748d6fcaa1fa1c812e360c11296250f799d70e3eace3af088777c575b81789eb99
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Filesize
260KB
MD51557e68b525d56d1b3de05ff6c28b6a0
SHA1aab6ecceca716318881522bb9bbcc3a801fbdd45
SHA256c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1
SHA51293b43554535bbd4b3af46c4278a6e310f0fd8f6f28cdb03acc6c7e6feabcea748d6fcaa1fa1c812e360c11296250f799d70e3eace3af088777c575b81789eb99
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Filesize
260KB
MD51557e68b525d56d1b3de05ff6c28b6a0
SHA1aab6ecceca716318881522bb9bbcc3a801fbdd45
SHA256c3e2d39c6754c0fe9162ca554513efcbae79653996c61eba46cce844ce8c7bf1
SHA51293b43554535bbd4b3af46c4278a6e310f0fd8f6f28cdb03acc6c7e6feabcea748d6fcaa1fa1c812e360c11296250f799d70e3eace3af088777c575b81789eb99