8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224

Analysis

max time kernel
160s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 19:05

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General

Target

8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224.exe
Size

1.4MB
MD5

25af15bc8c3672441e9464b85fa3742f
SHA1

be922be883f20843964af7b34efa1d8ac45b3c34
SHA256

8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224
SHA512

1c19ff806c8a8accf77abd760b72f3d0badbbbffe8d56c9fd2bae82e4c4301d8becdb61e6435e9fee1d8d99f0f74d11bb513a6e06273ff8928cd78795ab0c6e4
SSDEEP

3072:CYsgk+ruvdasTt9NHhayrHlbGAP1Qm02B545g4FuB3bBo6P6We0VyOjUout:Vr/oS

Score

10^/10

evasion persistence spyware stealer trojan upx

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 18 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

winlogon.exe

description	ioc	process
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,-18184250"	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\E696D64614\winlogon.exe = "C:\\Users\\Admin\\E696D64614\\winlogon.exe:*:Enabled:@xpsp2res.dll,-74410324"	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\DoNotAllowExceptions = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\EnableFirewall = "0"	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\E696D64614\winlogon.exe = "C:\\Users\\Admin\\E696D64614\\winlogon.exe:*:Enabled:@xpsp2res.dll,-22891402"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\DisableNotifications = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\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,-4155075"	winlogon.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "3"	winlogon.exe

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

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	winlogon.exe

UAC bypass 3 TTPs 3 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "1"	winlogon.exe

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\AntiVirusOverride = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winlogon.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

winlogon.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	winlogon.exe

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

Processes:

winlogon.exe

description ioc process

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

Processes:

winlogon.exewinlogon.exe

pid process

2868 winlogon.exe
2280 winlogon.exe

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

pid	process
2868	winlogon.exe
2280	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\ccsetmgr.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cv.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\scan95.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tmntsrv.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atguard.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fsma32.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fssm32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mu0311ad.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nupgrade.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rtvscn95.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pev.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\atwatch.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\autotrace.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgserv.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avpupd.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ncinst4.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\shellspyinstall.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sweep95.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\EHttpSrv.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ppinupdt.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SmitfraudFix.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\earthagent.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\kis8.0.0.506latam.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avgserv9.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cwnb181.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\dvp95_0.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\icmoon.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\netstat.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pview.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\sweepsrv.sys.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nprotect.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pcdsetup.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pcip10117_0.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ss3edit.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\vir-help.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fsav.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fwenc.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\winppr32.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\nd98spst.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ewido.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\bisp.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\fprot95.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\rshell.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\tauscan.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cleaner.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avcenter.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
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\wyvernworksfirewall.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ants.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\autoupdate.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ccapp.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cpdclnt.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\iamapp.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\webscanx.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\tc.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avscanavshadow.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\cv.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\efpeadm.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\jammer.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\lockdown.exe	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mgavrtcl.exe	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\outpost.exe\Debugger = "\"C:\\Users\\Admin\\E696D64614\\winlogon.exe\""	winlogon.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2280-143-0x0000000000400000-0x000000000043F000-memory.dmp	upx
behavioral2/memory/2280-146-0x0000000000400000-0x000000000043F000-memory.dmp	upx
behavioral2/memory/2280-147-0x0000000000400000-0x000000000043F000-memory.dmp	upx
behavioral2/memory/2280-150-0x0000000000400000-0x000000000043F000-memory.dmp	upx
behavioral2/memory/2280-151-0x0000000000400000-0x000000000043F000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224.exe

Drops startup file 1 IoCs

Processes:

winlogon.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\winlogon.exe winlogon.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

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

Windows security modification 2 TTPs 15 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Monitoring\SymantecFirewall	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Monitoring\SymantecFirewall\DisableMonitoring = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\InternetSettingsDisableNotify = "1"	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Monitoring	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\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\SymantecAntiVirus	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\Svc	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Monitoring\DisableMonitoring = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Monitoring\SymantecAntiVirus\DisableMonitoring = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpyWareDisableNotify = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AutoUpdateDisableNotify = "1"	winlogon.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

winlogon.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" winlogon.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

winlogon.exe

description pid process target process

PID 2868 set thread context of 2280 2868 winlogon.exe winlogon.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

description	pid	process	target process
PID 2868 set thread context of 2280	2868	winlogon.exe	winlogon.exe

Modifies Control Panel 2 IoCs

evasion

Processes:

winlogon.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\Sound	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\Sound\Beep = "no"	winlogon.exe

Modifies Internet Explorer settings 1 TTPs 14 IoCs

adware spyware

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Download	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	winlogon.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\Main	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Local Page = "http://rar8uj7ju1sh6vx.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://i66608r7u64318w.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://17b5dxrd8ost18l.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Disable Script Debugger = "Yes"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Local Page = "http://f1dav0u9nd7v6v8.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Search Page = "http://4fs6xy94f43uw28.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://23s8t4l7mm690n4.directorio-w.com"	winlogon.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Download\RunInvalidSignatures = "1"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Search Page = "http://xq9slge5228fd40.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://r5xlc7l8tdi00hc.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-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://h41020180435c5y.directorio-w.com"	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://8mczrz838le52r5.directorio-w.com"	winlogon.exe

Modifies registry class 24 IoCs

Processes:

winlogon.exe

description	ioc	process
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\ftp\shell	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\ddeexec\Application	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\ddeexec	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\https\shell	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\http\shell\open\ddeexec\Application\ = "IExplore"	winlogon.exe
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	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
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\ftp\shell\open\ddeexec\Application	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ftp\shell\open\ddeexec	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\https\shell\open\command	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\https	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\https\shell\open	winlogon.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

winlogon.exe

pid	process
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe
2280	winlogon.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

winlogon.exe

description pid process

Token: SeBackupPrivilege 2280 winlogon.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224.exewinlogon.exewinlogon.exe

pid process

1392 8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224.exe
2868 winlogon.exe
2280 winlogon.exe

description	pid	process
Token: SeBackupPrivilege	2280	winlogon.exe

pid	process
1392	8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224.exe
2868	winlogon.exe
2280	winlogon.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224.exewinlogon.exe

description	pid	process	target process
PID 1392 wrote to memory of 2868	1392	8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224.exe	winlogon.exe
PID 1392 wrote to memory of 2868	1392	8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224.exe	winlogon.exe
PID 1392 wrote to memory of 2868	1392	8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224.exe	winlogon.exe
PID 2868 wrote to memory of 2280	2868	winlogon.exe	winlogon.exe
PID 2868 wrote to memory of 2280	2868	winlogon.exe	winlogon.exe
PID 2868 wrote to memory of 2280	2868	winlogon.exe	winlogon.exe
PID 2868 wrote to memory of 2280	2868	winlogon.exe	winlogon.exe
PID 2868 wrote to memory of 2280	2868	winlogon.exe	winlogon.exe
PID 2868 wrote to memory of 2280	2868	winlogon.exe	winlogon.exe
PID 2868 wrote to memory of 2280	2868	winlogon.exe	winlogon.exe
PID 2868 wrote to memory of 2280	2868	winlogon.exe	winlogon.exe

System policy modification 1 TTPs 4 IoCs

evasion

Modify Registry

T1112

Processes:

winlogon.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "1"	winlogon.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\NoFolderOptions = "1"	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224.exe
"C:\Users\Admin\AppData\Local\Temp\8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1392

C:\Users\Admin\E696D64614\winlogon.exe
"C:\Users\Admin\E696D64614\winlogon.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2868

C:\Users\Admin\E696D64614\winlogon.exe
"C:\Users\Admin\E696D64614\winlogon.exe"
3⤵
- Modifies firewall policy service
- Modifies security service
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Windows security bypass
- Disables RegEdit via registry modification
- Drops file in Drivers directory
- Executes dropped EXE
- Sets file execution options in registry
- Drops startup file
- Windows security modification
- Checks whether UAC is enabled
- Modifies Control Panel
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:2280

C:\Program Files (x86)\Internet Explorer\ielowutil.exe
"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
1⤵
PID:1920

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\E696D64614\winlogon.exe

Filesize
1.4MB

MD5
25af15bc8c3672441e9464b85fa3742f

SHA1
be922be883f20843964af7b34efa1d8ac45b3c34

SHA256
8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224

SHA512
1c19ff806c8a8accf77abd760b72f3d0badbbbffe8d56c9fd2bae82e4c4301d8becdb61e6435e9fee1d8d99f0f74d11bb513a6e06273ff8928cd78795ab0c6e4

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
1.4MB

MD5
25af15bc8c3672441e9464b85fa3742f

SHA1
be922be883f20843964af7b34efa1d8ac45b3c34

SHA256
8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224

SHA512
1c19ff806c8a8accf77abd760b72f3d0badbbbffe8d56c9fd2bae82e4c4301d8becdb61e6435e9fee1d8d99f0f74d11bb513a6e06273ff8928cd78795ab0c6e4

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
1.4MB

MD5
25af15bc8c3672441e9464b85fa3742f

SHA1
be922be883f20843964af7b34efa1d8ac45b3c34

SHA256
8ce52e39e0e6e87d152829f4b402bdf48e01e90ca7dfc17faca824b70a823224

SHA512
1c19ff806c8a8accf77abd760b72f3d0badbbbffe8d56c9fd2bae82e4c4301d8becdb61e6435e9fee1d8d99f0f74d11bb513a6e06273ff8928cd78795ab0c6e4

Download Submit
memory/1392-132-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1392-138-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2280-142-0x0000000000000000-mapping.dmp

Download
memory/2280-143-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2280-146-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2280-147-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2280-150-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2280-151-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2868-141-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2868-135-0x0000000000000000-mapping.dmp

Download