eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897

Analysis

max time kernel
154s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 18:56

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General

Target

eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897.exe
Size

1.3MB
MD5

2e799370d6508d56074d6b313526fe27
SHA1

87593d6b340105f1cdfb580d52b943345b82c8b3
SHA256

eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897
SHA512

2dda7088754666d353f7618a29587f6f5da34119477b207cdcba940d9c4c4cb7c649584a4d13a8793c511c52aa74ba79f4168f69b43cc24cf20d3faa6975c580
SSDEEP

1536:kls8qrbQYURPAYmYf1F92m214L5d5TQTH9F+UTQ2nxvQYKV6yZPcAnouy8:vwPAq1F92Z4L5ETH9EPo4YK1pcoout

Score

10^/10

evasion persistence spyware stealer trojan upx

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 18 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

winlogon.exe

description	ioc	process
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	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,-30609482"	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	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	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,-65316879"	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,-45222639"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\DoNotAllowExceptions = "0"	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
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\DoNotAllowExceptions = "0"	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	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,-95612411"	winlogon.exe

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Modify Existing Service
T1031

Processes:

winlogon.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" winlogon.exe

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

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "3"	winlogon.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	winlogon.exe

UAC bypass 3 TTPs 3 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
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\System\ConsentPromptBehaviorAdmin = "0"	winlogon.exe

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

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

evasion

Processes:

winlogon.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	winlogon.exe

Disables Task Manager via registry modification
evasion
Drops file in Drivers directory 1 IoCs

Processes:

winlogon.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts winlogon.exe
Executes dropped EXE 2 IoCs

Processes:

winlogon.exewinlogon.exe

pid process

2784 winlogon.exe
4308 winlogon.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	winlogon.exe

pid	process
2784	winlogon.exe
4308	winlogon.exe

Sets file execution options in registry 2 TTPs 64 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\scan95.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\shellspyinstall.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\winsfcm.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\esafe.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\gibe.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nc2000.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fwinstall.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\zonealarm.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\hacktracersetup.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rav7win.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Diskmon.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SandboxieBITS.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.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\monitor.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nmain.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\findviru.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\hwpe.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ifw2000.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\supporter5.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\supporter5.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\apimonitor.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atguard.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\titaninxp.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\zlh.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\BullGuard.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mrflux.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\safeweb.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tfak5.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\wfindv32.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FirewallControlPanel.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fprot.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iamserv.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\HiJackThis.exe	winlogon.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\ACRORD32INFO.EXE	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atguard.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Regmon.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Filemon.exe	winlogon.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\ACRORD32.EXE	winlogon.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\MSFEEDSSYNC.EXE	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cmgrdian.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nisum.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\perswf.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\wink.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\BullGuard.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\blackice.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\drvins32.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\escanhnt.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cfgwiz.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\winppr32.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FPAVServer.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgcc32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navap.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\netmon.exe	winlogon.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\IELOWUTIL.EXE	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vet95.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\zonalarm.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\guardhlp.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgemc.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS NT\CURRENTVERSION\IMAGE FILE EXECUTION OPTIONS\SVCHOST.EXE	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\_avp.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cmon016.exe	winlogon.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4308-142-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4308-145-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4308-146-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4308-149-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral2/memory/4308-150-0x0000000000400000-0x000000000043E000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897.exe

Drops startup file 1 IoCs

Processes:

winlogon.exe

description 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.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\winlogon.exe	winlogon.exe

Windows security modification 2 TTPs 15 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "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\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\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\AutoUpdateDisableNotify = "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\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

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

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

Processes:

winlogon.exe

description pid process target process

PID 2784 set thread context of 4308 2784 winlogon.exe winlogon.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 2784 set thread context of 4308	2784	winlogon.exe	winlogon.exe

Modifies Control Panel 2 IoCs

evasion

Processes:

winlogon.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\Sound	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\Sound\Beep = "no"	winlogon.exe

Modifies Internet Explorer settings 1 TTPs 64 IoCs

adware spyware

Modify Registry

T1112

Processes:

IEXPLORE.EXEwinlogon.exeiexplore.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "3034"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "3034"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "307"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30998408"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "1165"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "4330"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Local Page = "http://iiw344qbfhzz46m.directorio-w.com"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "121"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30998408"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30998408"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\hugedomains.com\Total = "32"	IEXPLORE.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Search Page = "http://o4ma5k86856zs1l.directorio-w.com"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "115"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "282"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "989"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "3034"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "750892983"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "1991"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.hugedomains.com	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "225"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "1159"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "1052"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Download	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "282"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "1140"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 9042683588ffd801	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "115"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "121"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\youtube.com\Total = "1846"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\hugedomains.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "1019"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.hugedomains.com\ = "32"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "2016"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "115"	IEXPLORE.EXE
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\hugedomains.com	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://uur86ega4h629d6.directorio-w.com"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\www.youtube.com\ = "6"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "282"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 9081c02f88ffd801	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Search Page = "http://b8600sa793dkz2r.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://l8kapgnx48toz7l.directorio-w.com"	winlogon.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c3bb4963abeb5d4295108b420fde193a000000000200000000001066000000010000200000009ede1f5117f3c4ad85128156db80624d131ed990efe3620eb22179905012230d000000000e8000000002000020000000a033ef1d7d549d6aaf6bd47ab12a39e9406e1313ab2a545b4bb40cd0e54221eb20000000d9dbe34c8bcd99cd24c91cc51ed52cdafadcd47045ac2985012c40857b3868e5400000007bc649f64450619526a10ba8a630053d9ada9c50a7accdc066a690f0f8fdcdfff991e4352067cc162a53cede6dd863831131bdb67d07a895da50ab96b8e13cbe	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\google.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "1077"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Disable Script Debugger = "Yes"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Local Page = "http://u2423765429lo6n.directorio-w.com"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c3bb4963abeb5d4295108b420fde193a00000000020000000000106600000001000020000000ac22ff2f74baa91eb6237873d24a570d811e33f6707403f0ff6dcd505e2f8aa9000000000e8000000002000020000000f5b95ab2c7d9683c5cfafda9d27a2e3abf550ba3bd7ca02db4bb255e4e0b85cb200000007801eea11a455e241148bb4c17ab7491ca1182b3b82b310a780c7614988827cc4000000017420babc291d97925bb4fe25064ff9ded19008fb39bec208ffadd00c72fcf30b4faa72302378e53883d32e74caa68fbc09b61768927c3839864f390ce61025f	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\Total\ = "2048"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\google.com\Total = "25"	IEXPLORE.EXE

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://lrwjvm0zs666z45.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://97v32475n5461n1.directorio-w.com"	winlogon.exe

Modifies registry class 26 IoCs

Processes:

winlogon.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\https	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\ddeexec\Application	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ftp	winlogon.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2629973501-4017243118-3254762364-1000\{E0F216F7-2ECA-4990-8E0D-E7EE3F77C8BF}	IEXPLORE.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell	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\shell\open\ddeexec\Application	winlogon.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2629973501-4017243118-3254762364-1000\{A0569AC4-4AFE-40B0-A326-2B50F752E85F}	IEXPLORE.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\command	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\ddeexec	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\https\shell	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ftp\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\ddeexec\Application	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open	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\ftp\shell\open	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\ddeexec\Application\ = "IExplore"	winlogon.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

winlogon.exe

pid	process
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe
4308	winlogon.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

winlogon.exe

description pid process

Token: SeBackupPrivilege 4308 winlogon.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

4880 iexplore.exe

description	pid	process
Token: SeBackupPrivilege	4308	winlogon.exe

pid	process
4880	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897.exewinlogon.exewinlogon.exeiexplore.exeIEXPLORE.EXE

pid	process
4404	eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897.exe
2784	winlogon.exe
4308	winlogon.exe
4880	iexplore.exe
4880	iexplore.exe
5028	IEXPLORE.EXE
5028	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897.exewinlogon.exeiexplore.exe

description	pid	process	target process
PID 4404 wrote to memory of 2784	4404	eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897.exe	winlogon.exe
PID 4404 wrote to memory of 2784	4404	eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897.exe	winlogon.exe
PID 4404 wrote to memory of 2784	4404	eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897.exe	winlogon.exe
PID 2784 wrote to memory of 4308	2784	winlogon.exe	winlogon.exe
PID 2784 wrote to memory of 4308	2784	winlogon.exe	winlogon.exe
PID 2784 wrote to memory of 4308	2784	winlogon.exe	winlogon.exe
PID 2784 wrote to memory of 4308	2784	winlogon.exe	winlogon.exe
PID 2784 wrote to memory of 4308	2784	winlogon.exe	winlogon.exe
PID 2784 wrote to memory of 4308	2784	winlogon.exe	winlogon.exe
PID 2784 wrote to memory of 4308	2784	winlogon.exe	winlogon.exe
PID 2784 wrote to memory of 4308	2784	winlogon.exe	winlogon.exe
PID 4880 wrote to memory of 5028	4880	iexplore.exe	IEXPLORE.EXE
PID 4880 wrote to memory of 5028	4880	iexplore.exe	IEXPLORE.EXE
PID 4880 wrote to memory of 5028	4880	iexplore.exe	IEXPLORE.EXE

System policy modification 1 TTPs 4 IoCs

evasion

Modify Registry

T1112

Processes:

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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1"	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897.exe
"C:\Users\Admin\AppData\Local\Temp\eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4404

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:2784

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
- Drops startup file
- 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:4308

C:\Program Files (x86)\Internet Explorer\ielowutil.exe
"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
1⤵
PID:348

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4880

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4880 CREDAT:17410 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5028

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Modify Registry

T1112

Hidden Files and Directories

T1158

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize
2KB

MD5
38a9ee40b61155284982e2fa94ecabb8

SHA1
48847436aebb7737c0ffb7a1c7890b97277372ec

SHA256
39dfe13c61cf08b31abb081fb69a84fd106d9dce588d98bcda717b361403f3a5

SHA512
1ba66cc021295bd0d08b5882b41e48b68c5091de41d6e451f48c291ef4e837e8783ac36af6cc08fc4efe382cb8563358a48939a5902d5ad6ff69bbd9bc71a553

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
471B

MD5
e32d02ce684c01ef3af05fae9066160e

SHA1
29c7a6e8ed553ac2765634265d1db041d6d422ec

SHA256
b00322d178a6cfc206458c26b26d6c80596073bb3283dcc3fc4e33a4b5f29d71

SHA512
e4e3175fb131095e4681ecb76d14dc74d059c0beafb6340965516c6d3d0538deb314b36a3f09df03b491edac84d5c0580e764fed1d8bca9abd4e65cb56167148

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize
1KB

MD5
23c896e3fc14b0352780bf8710ebd27a

SHA1
f80cbc14c2447f02c067cc2c126e105b552d472b

SHA256
df2d1a8ad65c48cb714d0157f4e14c374e45493c7e2ed1a03911f558055108c0

SHA512
230372de75058a3b6456b1f44efc95695a85d7317fc6e2575a8772af900a08e059aa8a5397a37e1231ffa6bb2e8a2684bc2e6a35cba500818a417387c915908e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C67047FE238D580B731A13BEA5F7481F
Filesize
472B

MD5
176c5bdeeb799ec212e8b21126aa58d5

SHA1
02c76719828821643ec84cfe61ecb4499838021c

SHA256
eaa1c4ffce046f2951b93258d2c8c396da596a86c40cb3954ea8ceb4b13aa842

SHA512
a8fcd3787e674c37c70bce3a3cb0cdf832c03483d01a29887183ca8345d632f0bb75509586b07218e9c4d06c5d1a413dc26374270789b147446d54cf0303f3ed

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize
488B

MD5
2c40ca2245596f4e80cfd7aaad5c1804

SHA1
e2c1e58a5702997462f8f08abd74420739bcc4df

SHA256
6439803add6b4bf02268e5356a88f861480f5d917437399e1ac061ed1c226894

SHA512
52436cb41bc9749bab8ccab30adb35b7065080440c2e313aba0f7f9c24a3e3090a2ce593b7b9ec30010277487281af907c8fde4ce6476257f87b6a0a4227fa48

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize
434B

MD5
957a435f2d9562f2b00066534555563a

SHA1
10e5ea61b128768799cef618066d798d108ef913

SHA256
557c9b8818061deb764e6cacf7bea495928f7953904d6bd7f54b4fccf930e66a

SHA512
3f9bcfaffe028982d39071a424b98e97ab7055432c5a945bc841a85169a60b4c74aa2992f4a3f0595255a57a7a2bf9687129af7db6608d87903ec6f7c1323c4a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize
482B

MD5
92075662449b8359b5659ab2c90e5ade

SHA1
a957fbeb6d22c9c3eacaab8da7fe695966d322a8

SHA256
2c3b65395c5df15a8b7b848e93a8d6321f2d0144c8f8ea372e496f2e5b288bf8

SHA512
d1ddb9e9ef11248c7fe1e4dddadc84f9757c31bd77714b48eaf2c91932eb559fbadd3077fa966ec4017f989756172091590606611141e3a7ddf7c178306e384b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C67047FE238D580B731A13BEA5F7481F
Filesize
480B

MD5
42434b6ce75150d6065a5a610200c89d

SHA1
87e1a6b7aeca28aba8872efacbbb50e9380f4067

SHA256
17f2b6c7667717864fd30321305f45d08974fe1cb7d3e5ab1086863d508a4842

SHA512
9c5dfee0304b62c8f818c1ce1f687f80292d1bf9fcda6ac74bb9b7922f996441deb3eff9de2d8f525b2d9ad4d506927e73e78b445027aac27aa15d4adbdf2897

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.3MB

MD5
2e799370d6508d56074d6b313526fe27

SHA1
87593d6b340105f1cdfb580d52b943345b82c8b3

SHA256
eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897

SHA512
2dda7088754666d353f7618a29587f6f5da34119477b207cdcba940d9c4c4cb7c649584a4d13a8793c511c52aa74ba79f4168f69b43cc24cf20d3faa6975c580

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.3MB

MD5
2e799370d6508d56074d6b313526fe27

SHA1
87593d6b340105f1cdfb580d52b943345b82c8b3

SHA256
eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897

SHA512
2dda7088754666d353f7618a29587f6f5da34119477b207cdcba940d9c4c4cb7c649584a4d13a8793c511c52aa74ba79f4168f69b43cc24cf20d3faa6975c580

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.3MB

MD5
2e799370d6508d56074d6b313526fe27

SHA1
87593d6b340105f1cdfb580d52b943345b82c8b3

SHA256
eb550e46d5e2edb94eec12497a644012de9114e102d64192facab8709b696897

SHA512
2dda7088754666d353f7618a29587f6f5da34119477b207cdcba940d9c4c4cb7c649584a4d13a8793c511c52aa74ba79f4168f69b43cc24cf20d3faa6975c580

Download Submit
memory/2784-140-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2784-135-0x0000000000000000-mapping.dmp

Download
memory/4308-141-0x0000000000000000-mapping.dmp

Download
memory/4308-150-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4308-149-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4308-146-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4308-145-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4308-142-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4404-134-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download