920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8

Analysis

max time kernel
157s
max time network
211s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 07:27

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General

Target

920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
Size

1.9MB
MD5

14ce886ad6b81f76a3fd995841e02bdc
SHA1

dc686581fd315a3732fdd7cfd6e56a0a492533c3
SHA256

920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8
SHA512

88f64f1a4f4e60ad47e3bfb5aba926fc86f5bc54e45c866231a5b9d0789aa00a5fb8cca46dc5588680b3d3ec6e4c2f05137e585bb51499f6da690283f95460af
SSDEEP

3072:iyf8n+BnNpiXN5U+M/hQuaCA3VMxDJAQO7LN:i/+BnNpCqP/hQuavirOH

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 (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\E696D64614\winlogon.exe = "C:\\Users\\Admin\\E696D64614\\winlogon.exe:*:Enabled:@xpsp2res.dll,-70554750"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\E696D64614\winlogon.exe = "C:\\Users\\Admin\\E696D64614\\winlogon.exe:*:Enabled:@xpsp2res.dll,-57951861"	winlogon.exe
Set value (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\EnableFirewall = "0"	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	winlogon.exe
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\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,-53342401"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	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-1-5-21-3385717845-2518323428-350143044-1000\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-1-5-21-3385717845-2518323428-350143044-1000\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\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "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-1-5-21-3385717845-2518323428-350143044-1000\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

636 winlogon.exe
1640 winlogon.exe
1996 winlogon.exe

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

pid	process
636	winlogon.exe
1640	winlogon.exe
1996	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\cfiadmin.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cleaner.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\GoogleToolbarInstaller_download_signed.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\monsys32.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\navw.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vswin9xe.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\ecls.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fsm32.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\luspt.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mcvsrte.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\drweb32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ldscan.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\luau.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mfeann.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avwsc.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\espwatch.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\hacktracersetup.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kavlite40eng.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pptbc.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\safeweb.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tds2-98.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\exit.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vmsrvc.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ants.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\autoupdate.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\callmsi.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\claw95ct.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\icsupp95.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mcuimgr.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\efpeadm.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\norton_internet_secu_3.0_407.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cpf.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\FirewallControlPanel.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fsaa.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ogrc.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vswinperse.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.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\navwnt.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\netutils.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rav.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\anti-trojan.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\apimonitor.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avxw.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fsgk32.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\jedi.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vsmain.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\wmiav.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cpf.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\bipcpevalsetup.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\frw.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pingscan.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccevtmgr.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cmgrdian.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\killprocesssetup161.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\netcfg.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\autodown.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\autotrace.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mpfservice.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vshwin32.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avconfig.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\fsm32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe

UPX packed file 14 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2028-58-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/2028-56-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/2028-59-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/2028-62-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/2028-63-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/2028-64-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/2028-68-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/2028-74-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/1640-89-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral1/memory/1996-90-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/1996-94-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/1996-95-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/1996-99-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/1996-100-0x0000000000400000-0x0000000000443000-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:

920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe

pid	process
2028	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
2028	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.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\cval = "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\Monitoring\SymantecFirewall\DisableMonitoring = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\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\SymantecAntiVirus	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Monitoring	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\UacDisableNotify = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winlogon.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
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
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\E50B29BAACAA360FCC344254F83743208BA6735D23877EED = "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

Suspicious use of SetThreadContext 3 IoCs

Processes:

920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 864 set thread context of 2028	864	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
PID 636 set thread context of 1640	636	winlogon.exe	winlogon.exe
PID 1640 set thread context of 1996	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-1-5-21-3385717845-2518323428-350143044-1000\Control Panel\Sound	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Control Panel\Sound\Beep = "no"	winlogon.exe

Modifies Internet Explorer settings 1 TTPs 64 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeiexplore.exeIEXPLORE.EXEwinlogon.exeIEXPLORE.EXE

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\buscaid.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Page_URL = "http://mrkjev7ba13749i.directorio-w.com"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Check_Associations = "no"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8D1911C1-6CCC-11ED-8639-62E10F117DDC} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Internet Explorer\Main	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\buscaid.com	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Disable Script Debugger = "Yes"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Local Page = "http://2d660rr8nck37ho.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Search Page = "http://71512465e88yydt.directorio-w.com"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "1"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{B92C0741-6CCC-11ED-8639-62E10F117DDC} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Download	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Search Page = "http://w466967h84804d2.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://i9vs49yjw24k6hl.directorio-w.com"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://60pej51k58iyqz5.directorio-w.com"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Default_Search_URL = "http://5522p5fi67s0556.directorio-w.com"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Local Page = "http://1y10ixe87x3kszq.directorio-w.com"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://7lql91fhz2n7rpk.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\Start Page = "http://7m286m61e45ow84.directorio-w.com"	winlogon.exe

Modifies registry class 24 IoCs

Processes:

winlogon.exe

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

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

winlogon.exe

pid process

1996 winlogon.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

winlogon.exe

description pid process

Token: SeBackupPrivilege 1996 winlogon.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

iexplore.exeiexplore.exe

pid process

1652 iexplore.exe
240 iexplore.exe

pid	process
1996	winlogon.exe

description	pid	process
Token: SeBackupPrivilege	1996	winlogon.exe

pid	process
1652	iexplore.exe
240	iexplore.exe

Suspicious use of SetWindowsHookEx 11 IoCs

Processes:

920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exewinlogon.exewinlogon.exeiexplore.exeIEXPLORE.EXEiexplore.exeIEXPLORE.EXE

pid	process
2028	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
1640	winlogon.exe
1996	winlogon.exe
1652	iexplore.exe
1652	iexplore.exe
2040	IEXPLORE.EXE
2040	IEXPLORE.EXE
240	iexplore.exe
240	iexplore.exe
1844	IEXPLORE.EXE
1844	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 45 IoCs

Processes:

920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exewinlogon.exewinlogon.exeiexplore.exeiexplore.exe

description	pid	process	target process
PID 864 wrote to memory of 2000	864	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	svchost.exe
PID 864 wrote to memory of 2000	864	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	svchost.exe
PID 864 wrote to memory of 2000	864	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	svchost.exe
PID 864 wrote to memory of 2000	864	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	svchost.exe
PID 864 wrote to memory of 2028	864	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
PID 864 wrote to memory of 2028	864	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
PID 864 wrote to memory of 2028	864	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
PID 864 wrote to memory of 2028	864	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
PID 864 wrote to memory of 2028	864	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
PID 864 wrote to memory of 2028	864	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
PID 864 wrote to memory of 2028	864	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
PID 864 wrote to memory of 2028	864	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
PID 2028 wrote to memory of 636	2028	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	winlogon.exe
PID 2028 wrote to memory of 636	2028	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	winlogon.exe
PID 2028 wrote to memory of 636	2028	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	winlogon.exe
PID 2028 wrote to memory of 636	2028	920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe	winlogon.exe
PID 636 wrote to memory of 584	636	winlogon.exe	svchost.exe
PID 636 wrote to memory of 584	636	winlogon.exe	svchost.exe
PID 636 wrote to memory of 584	636	winlogon.exe	svchost.exe
PID 636 wrote to memory of 584	636	winlogon.exe	svchost.exe
PID 636 wrote to memory of 1640	636	winlogon.exe	winlogon.exe
PID 636 wrote to memory of 1640	636	winlogon.exe	winlogon.exe
PID 636 wrote to memory of 1640	636	winlogon.exe	winlogon.exe
PID 636 wrote to memory of 1640	636	winlogon.exe	winlogon.exe
PID 636 wrote to memory of 1640	636	winlogon.exe	winlogon.exe
PID 636 wrote to memory of 1640	636	winlogon.exe	winlogon.exe
PID 636 wrote to memory of 1640	636	winlogon.exe	winlogon.exe
PID 636 wrote to memory of 1640	636	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 1996	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 1996	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 1996	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 1996	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 1996	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 1996	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 1996	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 1996	1640	winlogon.exe	winlogon.exe
PID 1640 wrote to memory of 1996	1640	winlogon.exe	winlogon.exe
PID 1652 wrote to memory of 2040	1652	iexplore.exe	IEXPLORE.EXE
PID 1652 wrote to memory of 2040	1652	iexplore.exe	IEXPLORE.EXE
PID 1652 wrote to memory of 2040	1652	iexplore.exe	IEXPLORE.EXE
PID 1652 wrote to memory of 2040	1652	iexplore.exe	IEXPLORE.EXE
PID 240 wrote to memory of 1844	240	iexplore.exe	IEXPLORE.EXE
PID 240 wrote to memory of 1844	240	iexplore.exe	IEXPLORE.EXE
PID 240 wrote to memory of 1844	240	iexplore.exe	IEXPLORE.EXE
PID 240 wrote to memory of 1844	240	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\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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "0"	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
"C:\Users\Admin\AppData\Local\Temp\920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:864

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
2⤵
PID:2000

C:\Users\Admin\AppData\Local\Temp\920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8.exe
2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2028

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:636

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:1996

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
4⤵
PID:584

C:\Windows\system32\wbem\unsecapp.exe
C:\Windows\system32\wbem\unsecapp.exe -Embedding
1⤵
PID:1772

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:1652

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1652 CREDAT:275457 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2040

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:240

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:240 CREDAT:275457 /prefetch:2
2⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1844

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
342B

MD5
2824f3ab9f90efb6c8d32dd725e83626

SHA1
ad7dc0cde72930ece15ddadd12bf673c541f0be4

SHA256
044d0115451d30bd6dcde93a7fffc5217adc575b2ba283e6cad0753052ab184e

SHA512
c3250d06461aba41a67e38df1d2b6b67b7cbebdd4e67291d45e69319b389f1a3b7e0ebb30b837f70212d5997aba58d6716f38eadddeb9118f6b6e59740d9447c

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.9MB

MD5
14ce886ad6b81f76a3fd995841e02bdc

SHA1
dc686581fd315a3732fdd7cfd6e56a0a492533c3

SHA256
920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8

SHA512
88f64f1a4f4e60ad47e3bfb5aba926fc86f5bc54e45c866231a5b9d0789aa00a5fb8cca46dc5588680b3d3ec6e4c2f05137e585bb51499f6da690283f95460af

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.9MB

MD5
14ce886ad6b81f76a3fd995841e02bdc

SHA1
dc686581fd315a3732fdd7cfd6e56a0a492533c3

SHA256
920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8

SHA512
88f64f1a4f4e60ad47e3bfb5aba926fc86f5bc54e45c866231a5b9d0789aa00a5fb8cca46dc5588680b3d3ec6e4c2f05137e585bb51499f6da690283f95460af

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.9MB

MD5
14ce886ad6b81f76a3fd995841e02bdc

SHA1
dc686581fd315a3732fdd7cfd6e56a0a492533c3

SHA256
920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8

SHA512
88f64f1a4f4e60ad47e3bfb5aba926fc86f5bc54e45c866231a5b9d0789aa00a5fb8cca46dc5588680b3d3ec6e4c2f05137e585bb51499f6da690283f95460af

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.9MB

MD5
14ce886ad6b81f76a3fd995841e02bdc

SHA1
dc686581fd315a3732fdd7cfd6e56a0a492533c3

SHA256
920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8

SHA512
88f64f1a4f4e60ad47e3bfb5aba926fc86f5bc54e45c866231a5b9d0789aa00a5fb8cca46dc5588680b3d3ec6e4c2f05137e585bb51499f6da690283f95460af

Download Submit
\Users\Admin\E696D64614\winlogon.exe
Filesize
1.9MB

MD5
14ce886ad6b81f76a3fd995841e02bdc

SHA1
dc686581fd315a3732fdd7cfd6e56a0a492533c3

SHA256
920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8

SHA512
88f64f1a4f4e60ad47e3bfb5aba926fc86f5bc54e45c866231a5b9d0789aa00a5fb8cca46dc5588680b3d3ec6e4c2f05137e585bb51499f6da690283f95460af

Download Submit
\Users\Admin\E696D64614\winlogon.exe
Filesize
1.9MB

MD5
14ce886ad6b81f76a3fd995841e02bdc

SHA1
dc686581fd315a3732fdd7cfd6e56a0a492533c3

SHA256
920c0b9ca61c3f1a52c9e008daf16ed70344d20cce7f2739b26c23a711e239f8

SHA512
88f64f1a4f4e60ad47e3bfb5aba926fc86f5bc54e45c866231a5b9d0789aa00a5fb8cca46dc5588680b3d3ec6e4c2f05137e585bb51499f6da690283f95460af

Download Submit
memory/584-73-0x0000000000000000-mapping.dmp

Download
memory/636-71-0x0000000000000000-mapping.dmp

Download
memory/1640-89-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1640-81-0x000000000041ABB0-mapping.dmp

Download
memory/1996-90-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1996-100-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1996-99-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1996-95-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1996-94-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1996-91-0x0000000000441740-mapping.dmp

Download
memory/2000-54-0x0000000000000000-mapping.dmp

Download
memory/2028-62-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2028-59-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2028-55-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2028-60-0x000000000041ABB0-mapping.dmp

Download
memory/2028-74-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2028-56-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2028-68-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2028-63-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2028-64-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2028-67-0x00000000767F1000-0x00000000767F3000-memory.dmp

Filesize
8KB

Download
memory/2028-58-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download