85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042

Analysis

max time kernel
181s
max time network
193s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 00:29

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General

Target

85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
Size

1.0MB
MD5

516a264d8e43a5ddd5353693b300e4d5
SHA1

d45b6b317c1eb73872fd4c1ea73d714e4b2ee040
SHA256

85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042
SHA512

c05d08f51dc0454a682ea4ebdd56bd4e6b8f5d9763fb69c7dfc7058e416ede6d6ac86160027dccda5134b05ef3eed0fe3b9fc3096fdfb0238259fce806d7ed61
SSDEEP

1536:SNIkp2IdtEo1gbsSklrZWNXuQHPGrQ+wEaYNyZf/3Qcn6aNirob1e4p24JMdWqhM:9YvEo13SklFWNVerQ+KMspBMgX24iE

Score

10^/10

evasion persistence spyware stealer trojan upx

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 14 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

winlogon.exe

description	ioc	process
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\List	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\E696D64614\winlogon.exe = "C:\\Users\\Admin\\E696D64614\\winlogon.exe:*:Enabled:@xpsp2res.dll,-70554750"	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
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\StandardProfile\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
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\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,-57951861"	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	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-1-5-21-3406023954-474543476-3319432036-1000\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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	winlogon.exe

UAC bypass 3 TTPs 4 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\ConsentPromptBehaviorAdmin = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "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

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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	winlogon.exe

Disables Task Manager via registry modification
evasion
Disables taskbar notifications 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 3 IoCs

Processes:

winlogon.exewinlogon.exewinlogon.exe

pid process

756 winlogon.exe
1640 winlogon.exe
736 winlogon.exe

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

pid	process
756	winlogon.exe
1640	winlogon.exe
736	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\csinject.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\espwatch.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.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\swnetsup.exe	winlogon.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SCANOST.EXE	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccsetmgr.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\wradmin.exe	winlogon.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSOHTMED.EXE	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avpmon.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vcontrol.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\monsysnt.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nisum.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\fih32.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\hwpe.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgctrl.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cleaner3.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\exantivirus-cnet.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\spf.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\npscheck.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\popscan.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ntdetect.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccshtdwn.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mcagent.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mcupdate.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\licmgr.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mbamservice.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\azonealarm.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\defscangui.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tfak.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\qserver.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\symtray.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\aplica32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cpf9x206.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\deputy.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vet98.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vsmon.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\w32dsm89.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Process.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ackwin32.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\claw95ct.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sweep.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vscenu6.02d30.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\wgfe95.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ostronet.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pcscan.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\padmin.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pspf.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Filemon.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ONELEV.EXE	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccshtdwn.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\winroute.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\blackice.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iomon98.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avpdos32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\bootwarn.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\ntrtscan.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avshadow.exe	winlogon.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\WXP.EXE	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\alerter.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navstub.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\processmonitor.exe	winlogon.exe

UPX packed file 23 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1396-54-0x0000000000400000-0x0000000000435000-memory.dmp	upx
behavioral1/memory/1396-55-0x0000000000400000-0x0000000000435000-memory.dmp	upx
behavioral1/memory/1156-58-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/1156-60-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/1156-61-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/1156-64-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/1156-65-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/1156-66-0x0000000000400000-0x000000000041C000-memory.dmp	upx
\Users\Admin\E696D64614\winlogon.exe	upx
\Users\Admin\E696D64614\winlogon.exe	upx
C:\Users\Admin\E696D64614\winlogon.exe	upx
behavioral1/memory/1156-74-0x0000000000400000-0x000000000041C000-memory.dmp	upx
C:\Users\Admin\E696D64614\winlogon.exe	upx
behavioral1/memory/756-75-0x0000000000400000-0x0000000000435000-memory.dmp	upx
C:\Users\Admin\E696D64614\winlogon.exe	upx
behavioral1/memory/756-85-0x0000000000400000-0x0000000000435000-memory.dmp	upx
behavioral1/memory/1640-92-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/1640-93-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/736-94-0x0000000000400000-0x0000000000443000-memory.dmp	upx
C:\Users\Admin\E696D64614\winlogon.exe	upx
behavioral1/memory/736-98-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/736-99-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/736-103-0x0000000000400000-0x0000000000443000-memory.dmp	upx

Drops startup file 1 IoCs

Processes:

winlogon.exe

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

Loads dropped DLL 2 IoCs

Processes:

85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe

pid	process
1156	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
1156	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.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

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\InternetSettingsDisableNotify = "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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring\SymantecFirewall\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\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring	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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AutoUpdateDisableNotify = "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\AntiVirusDisableNotify = "1"	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring\SymantecAntiVirus	winlogon.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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

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

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	winlogon.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 1396 set thread context of 1156	1396	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
PID 756 set thread context of 1640	756	winlogon.exe	winlogon.exe
PID 1640 set thread context of 736	1640	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

Modifies Control Panel 2 IoCs

evasion

Processes:

winlogon.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Control Panel\Sound	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Control Panel\Sound\Beep = "no"	winlogon.exe

Modifies Internet Explorer settings 1 TTPs 40 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXEwinlogon.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DOMStorage\buscaid.com	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DOMStorage\buscaid.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Local Page = "http://7j7dlj703x77f3n.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Check_Associations = "no"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Local Page = "http://0ecz5k107lc385p.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Search_URL = "http://npxkwb70zl7q308.directorio-w.com"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	winlogon.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Main	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Search Page = "http://4gy65sn0r2w22qj.directorio-w.com"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Disable Script Debugger = "Yes"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "1"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Search Page = "http://oz53g53svfun0i2.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://089k7144r8q377i.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://2za24u99id4871r.directorio-w.com"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Download	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{61E3CB61-6BB6-11ED-8589-FE63F52BA449} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://jbj76i81s8yavyv.directorio-w.com"	winlogon.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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://846cig21z8i7546.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://3dliyl608c2371f.directorio-w.com"	winlogon.exe

Modifies registry class 24 IoCs

Processes:

winlogon.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\command\ = "\"C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE\""	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\ftp\shell\open\ddeexec\Application	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\command	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell	winlogon.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\ddeexec\Application	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	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\ddeexec	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open\ddeexec\Application\ = "IExplore"	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\command	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\command	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\https\shell	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open	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	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

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

winlogon.exe

pid process

736 winlogon.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

winlogon.exe

description pid process

Token: SeBackupPrivilege 736 winlogon.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1772 iexplore.exe

pid	process
736	winlogon.exe

description	pid	process
Token: SeBackupPrivilege	736	winlogon.exe

pid	process
1772	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exewinlogon.exewinlogon.exeiexplore.exeIEXPLORE.EXE

pid	process
1156	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
1640	winlogon.exe
736	winlogon.exe
1772	iexplore.exe
1772	iexplore.exe
1480	IEXPLORE.EXE
1480	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 41 IoCs

Processes:

85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exewinlogon.exewinlogon.exeiexplore.exe

description	pid	process	target process
PID 1396 wrote to memory of 616	1396	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	svchost.exe
PID 1396 wrote to memory of 616	1396	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	svchost.exe
PID 1396 wrote to memory of 616	1396	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	svchost.exe
PID 1396 wrote to memory of 616	1396	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	svchost.exe
PID 1396 wrote to memory of 1156	1396	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
PID 1396 wrote to memory of 1156	1396	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
PID 1396 wrote to memory of 1156	1396	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
PID 1396 wrote to memory of 1156	1396	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
PID 1396 wrote to memory of 1156	1396	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
PID 1396 wrote to memory of 1156	1396	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
PID 1396 wrote to memory of 1156	1396	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
PID 1396 wrote to memory of 1156	1396	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
PID 1156 wrote to memory of 756	1156	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	winlogon.exe
PID 1156 wrote to memory of 756	1156	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	winlogon.exe
PID 1156 wrote to memory of 756	1156	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	winlogon.exe
PID 1156 wrote to memory of 756	1156	85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe	winlogon.exe
PID 756 wrote to memory of 676	756	winlogon.exe	svchost.exe
PID 756 wrote to memory of 676	756	winlogon.exe	svchost.exe
PID 756 wrote to memory of 676	756	winlogon.exe	svchost.exe
PID 756 wrote to memory of 676	756	winlogon.exe	svchost.exe
PID 756 wrote to memory of 1640	756	winlogon.exe	winlogon.exe
PID 756 wrote to memory of 1640	756	winlogon.exe	winlogon.exe
PID 756 wrote to memory of 1640	756	winlogon.exe	winlogon.exe
PID 756 wrote to memory of 1640	756	winlogon.exe	winlogon.exe
PID 756 wrote to memory of 1640	756	winlogon.exe	winlogon.exe
PID 756 wrote to memory of 1640	756	winlogon.exe	winlogon.exe
PID 756 wrote to memory of 1640	756	winlogon.exe	winlogon.exe
PID 756 wrote to memory of 1640	756	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 736	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 736	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 736	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 736	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 736	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 736	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 736	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 736	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 736	1640	winlogon.exe	winlogon.exe
PID 1772 wrote to memory of 1480	1772	iexplore.exe	IEXPLORE.EXE
PID 1772 wrote to memory of 1480	1772	iexplore.exe	IEXPLORE.EXE
PID 1772 wrote to memory of 1480	1772	iexplore.exe	IEXPLORE.EXE
PID 1772 wrote to memory of 1480	1772	iexplore.exe	IEXPLORE.EXE

System policy modification 1 TTPs 6 IoCs

evasion

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
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\ConsentPromptBehaviorUser = "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\HideSCAHealth = "1"	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
"C:\Users\Admin\AppData\Local\Temp\85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1396

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
2⤵
PID:616

C:\Users\Admin\AppData\Local\Temp\85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042.exe
2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1156

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:756

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
4⤵
PID:676

C:\Users\Admin\E696D64614\winlogon.exe
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1640

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:736

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:856

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:1772

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1772 CREDAT:275457 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1480

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

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.0MB

MD5
516a264d8e43a5ddd5353693b300e4d5

SHA1
d45b6b317c1eb73872fd4c1ea73d714e4b2ee040

SHA256
85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042

SHA512
c05d08f51dc0454a682ea4ebdd56bd4e6b8f5d9763fb69c7dfc7058e416ede6d6ac86160027dccda5134b05ef3eed0fe3b9fc3096fdfb0238259fce806d7ed61

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.0MB

MD5
516a264d8e43a5ddd5353693b300e4d5

SHA1
d45b6b317c1eb73872fd4c1ea73d714e4b2ee040

SHA256
85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042

SHA512
c05d08f51dc0454a682ea4ebdd56bd4e6b8f5d9763fb69c7dfc7058e416ede6d6ac86160027dccda5134b05ef3eed0fe3b9fc3096fdfb0238259fce806d7ed61

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.0MB

MD5
516a264d8e43a5ddd5353693b300e4d5

SHA1
d45b6b317c1eb73872fd4c1ea73d714e4b2ee040

SHA256
85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042

SHA512
c05d08f51dc0454a682ea4ebdd56bd4e6b8f5d9763fb69c7dfc7058e416ede6d6ac86160027dccda5134b05ef3eed0fe3b9fc3096fdfb0238259fce806d7ed61

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.0MB

MD5
516a264d8e43a5ddd5353693b300e4d5

SHA1
d45b6b317c1eb73872fd4c1ea73d714e4b2ee040

SHA256
85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042

SHA512
c05d08f51dc0454a682ea4ebdd56bd4e6b8f5d9763fb69c7dfc7058e416ede6d6ac86160027dccda5134b05ef3eed0fe3b9fc3096fdfb0238259fce806d7ed61

Download Submit
\Users\Admin\E696D64614\winlogon.exe
Filesize
1.0MB

MD5
516a264d8e43a5ddd5353693b300e4d5

SHA1
d45b6b317c1eb73872fd4c1ea73d714e4b2ee040

SHA256
85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042

SHA512
c05d08f51dc0454a682ea4ebdd56bd4e6b8f5d9763fb69c7dfc7058e416ede6d6ac86160027dccda5134b05ef3eed0fe3b9fc3096fdfb0238259fce806d7ed61

Download Submit
\Users\Admin\E696D64614\winlogon.exe
Filesize
1.0MB

MD5
516a264d8e43a5ddd5353693b300e4d5

SHA1
d45b6b317c1eb73872fd4c1ea73d714e4b2ee040

SHA256
85ed2a26c7f272a5abc232f3027fb2f2898e7fca5a23c921d91bcecff16f7042

SHA512
c05d08f51dc0454a682ea4ebdd56bd4e6b8f5d9763fb69c7dfc7058e416ede6d6ac86160027dccda5134b05ef3eed0fe3b9fc3096fdfb0238259fce806d7ed61

Download Submit
memory/616-56-0x0000000000000000-mapping.dmp

Download
memory/676-76-0x0000000000000000-mapping.dmp

Download
memory/736-99-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/736-94-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/736-95-0x00000000004416E0-mapping.dmp

Download
memory/736-98-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/736-103-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/756-72-0x0000000000000000-mapping.dmp

Download
memory/756-75-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/756-85-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1156-65-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1156-58-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1156-74-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1156-66-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1156-64-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1156-69-0x0000000075BE1000-0x0000000075BE3000-memory.dmp

Filesize
8KB

Download
memory/1156-57-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1156-62-0x000000000041AAC0-mapping.dmp

Download
memory/1156-61-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1156-60-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1396-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1396-55-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1640-83-0x000000000041AAC0-mapping.dmp

Download
memory/1640-93-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1640-92-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download