039004b76a1bc5ac020958256bdcf97f1464398c13b0be2e0d0078f1aee8b3a7

Analysis

max time kernel
43s
max time network
44s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 13:16

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General

Target

lonelyscreen-win-installer.exe
Size

538KB
MD5

64da00119c76c6e1d75f059ffc4a772d
SHA1

ebaebff7db60430cad107d4efc45654d43f98075
SHA256

039004b76a1bc5ac020958256bdcf97f1464398c13b0be2e0d0078f1aee8b3a7
SHA512

d13544aa2ee6060510c0f906e3f174a4ec40878f36193a99d6c527b62fa6a379115e965e272069b0e3f0479df16e6899a096ede37fb0832262c72d3d24f824f3
SSDEEP

12288:AS3yBV888888888888W88888888888pKfXGU69eTutORzK/AA9i6Zub02O9HtFbl:/3yLKfXG6wZ/D9kqtZaTq

Score

10^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules	mDNSResponder.exe

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Executes dropped EXE 6 IoCs

pid	Process
2888	lonelyscreen-win-installer.tmp
3088	setup.exe
2896	setup.tmp
5528	mDNSResponder.exe
2756	Process not Found
5752	lonelyscreen.exe

Loads dropped DLL 12 IoCs

pid	Process
2888	lonelyscreen-win-installer.tmp
3864	MsiExec.exe
3864	MsiExec.exe
3864	MsiExec.exe
2896	MsiExec.exe
2896	MsiExec.exe
4240	MsiExec.exe
5440	MsiExec.exe
5500	MsiExec.exe
2952	msedge.exe
5752	lonelyscreen.exe
2904	msedge.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LonelyScreen = "C:\\Program Files (x86)\\LonelyScreen\\lonelyscreen.exe /start_context sys_auto"	setup.tmp

Blocklisted process makes network request 2 IoCs

flow	pid	Process
42	3036	msiexec.exe
44	3036	msiexec.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dnssd.dll	msiexec.exe
File created	C:\Windows\system32\dnssd.dll	msiexec.exe
File created	C:\Windows\SysWOW64\dnssdX.dll	msiexec.exe
File created	C:\Windows\system32\dnssdX.dll	msiexec.exe
File created	C:\Windows\SysWOW64\jdns_sd.dll	msiexec.exe
File created	C:\Windows\system32\jdns_sd.dll	msiexec.exe
File created	C:\Windows\SysWOW64\dns-sd.exe	msiexec.exe
File created	C:\Windows\system32\dns-sd.exe	msiexec.exe

Drops file in Program Files directory 37 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LonelyScreen\is-12N3S.tmp	setup.tmp
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\en_GB.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\mDNSResponder.exe	msiexec.exe
File created	C:\Program Files\Bonjour\mDNSResponder.exe	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\ru.lproj\About Bonjour.rtf	msiexec.exe
File opened for modification	C:\Program Files\Java\jre-1.8\lib\ext\dns_sd.jar	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\About Bonjour.lnk	msiexec.exe
File opened for modification	C:\Program Files (x86)\LonelyScreen\unins001.dat	lonelyscreen-win-installer.tmp
File opened for modification	C:\Program Files (x86)\LonelyScreen\LonelyScreen.exe	setup.tmp
File opened for modification	C:\Program Files (x86)\LonelyScreen\unins000.dat	setup.tmp
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\it.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\pt.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\da.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\ja.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\zh_TW.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\LonelyScreen\is-13SG6.tmp	setup.tmp
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\fi.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\pt_PT.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\LonelyScreen\unins001.dat	lonelyscreen-win-installer.tmp
File created	C:\Program Files (x86)\LonelyScreen\unins000.dat	setup.tmp
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\pl.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\zh_CN.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\mdnsNSP.dll	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\en.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\fr.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\dns_sd.jar	msiexec.exe
File created	C:\Program Files\Bonjour\mdnsNSP.dll	msiexec.exe
File created	C:\Program Files\Bonjour\dns_sd.jar	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\de.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\nb.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\nl.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\sv.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\LonelyScreen\is-950A1.tmp	lonelyscreen-win-installer.tmp
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\es.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files (x86)\Bonjour\Bonjour.Resources\ko.lproj\About Bonjour.rtf	msiexec.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\dns_sd.jar	msiexec.exe
File created	C:\Program Files\Bonjour\About Bonjour.lnk	msiexec.exe

Drops file in Windows directory 18 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File created	C:\Windows\Installer\{6E3610B2-430D-4EB0-81E3-2B57E8B9DE8D}\Bonjour.ico	msiexec.exe
File created	C:\Windows\Installer\e5834f6.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI39B8.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI3B41.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI3C9B.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI3E32.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI44EA.tmp	msiexec.exe
File created	C:\Windows\Installer\{6E3610B2-430D-4EB0-81E3-2B57E8B9DE8D}\RichText.ico	msiexec.exe
File opened for modification	C:\Windows\Installer\{6E3610B2-430D-4EB0-81E3-2B57E8B9DE8D}\RichText.ico	msiexec.exe
File opened for modification	C:\Windows\Installer\e5834f6.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI3A27.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\SourceHash{6E3610B2-430D-4EB0-81E3-2B57E8B9DE8D}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI3C8A.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\{6E3610B2-430D-4EB0-81E3-2B57E8B9DE8D}\Bonjour.ico	msiexec.exe
File created	C:\Windows\Installer\e5834fb.msi	msiexec.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs

persistence privilege_escalation

Installer Packages

T1546.016

Msiexec

T1218.007

pid	Process
1556	msiexec.exe

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lonelyscreen-win-installer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lonelyscreen-win-installer.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setup.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lonelyscreen.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\CLASSES\LOCAL SETTINGS\MUICACHE\26\52C64B7E	msiexec.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27	msiexec.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{24CD4DE9-FF84-4701-9DC1-9B69E0D1090A}\Programmable	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{29DE265F-8402-474F-833A-D4653B23458F}\NumMethods\ = "19"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21AE8D7F-D5FE-45CF-B632-CFA2C2C6B498}\ = "_IDNSSDEvents"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{29DE265F-8402-474F-833A-D4653B23458F}\ = "IDNSSDService"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9CE603A0-3365-4DA0-86D1-3F780ECBA110}\ProxyStubClsid32\ = "{7FD72324-63E1-45AD-B337-4D525BD98DAD}"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\2B0163E6D0340BE4183EB2758E9BEDD8\DotNetSupport = "Bonjour"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\1523EA646D34FC14C8FD9E203C58611D	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Bonjour.DNSSDRecord.1\ = "DNSSDRecord Class"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7FD72324-63E1-45AD-B337-4D525BD98DAD}\ProxyStubClsid32\ = "{7FD72324-63E1-45AD-B337-4D525BD98DAD}"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{5E93C5A9-7516-4259-A67B-41A656F6E01C}	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\Interface\{8FA0889C-5973-4FC9-970B-EC15C925D0CE}\ProxyStubClsid32	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib\{18FBED6D-F2B7-4EC8-A4A4-46282E635308}\1.0\HELPDIR	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8FA0889C-5973-4FC9-970B-EC15C925D0CE}\NumMethods\ = "14"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2B0163E6D0340BE4183EB2758E9BEDD8\DeploymentFlags = "3"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\Interface\{21AE8D7F-D5FE-45CF-B632-CFA2C2C6B498}	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{21AE8D7F-D5FE-45CF-B632-CFA2C2C6B498}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\Interface\{8FA0889C-5973-4FC9-970B-EC15C925D0CE}\ProxyStubClsid	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BEEB932A-8D4A-4619-AEFE-A836F988B221}\VersionIndependentProgID	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{29DE265F-8402-474F-833A-D4653B23458F}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\TypeLib\{18FBED6D-F2B7-4EC8-A4A4-46282E635308}\1.0	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7FD72324-63E1-45AD-B337-4D525BD98DAD}	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{AFEE063C-05BA-4248-A26E-168477F49734}\TypeLib	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7FD72324-63E1-45AD-B337-4D525BD98DAD}\ = "PSFactoryBuffer"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5E93C5A9-7516-4259-A67B-41A656F6E01C}\VersionIndependentProgID\ = "Bonjour.DNSSDRecord"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{BEEB932A-8D4A-4619-AEFE-A836F988B221}\VersionIndependentProgID	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FD72324-63E1-45AD-B337-4D525BD98DAD}\ = "IDNSSDEventManager"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Interface\{7FD72324-63E1-45AD-B337-4D525BD98DAD}\ProxyStubClsid	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{AFEE063C-05BA-4248-A26E-168477F49734}\ProgID	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{18FBED6D-F2B7-4EC8-A4A4-46282E635308}\1.0	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5E93C5A9-7516-4259-A67B-41A656F6E01C}\VersionIndependentProgID	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{AFEE063C-05BA-4248-A26E-168477F49734}	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{AFEE063C-05BA-4248-A26E-168477F49734}\TypeLib\ = "{18FBED6D-F2B7-4EC8-A4A4-46282E635308}"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Bonjour.DNSSDService\CurVer	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5E93C5A9-7516-4259-A67B-41A656F6E01C}\VersionIndependentProgID	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Bonjour.TXTRecord.1\ = "TXTRecord Class"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Interface\{9CE603A0-3365-4DA0-86D1-3F780ECBA110}\NumMethods	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\Interface\{9CE603A0-3365-4DA0-86D1-3F780ECBA110}\ProxyStubClsid32	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLSID\{24CD4DE9-FF84-4701-9DC1-9B69E0D1090A}	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8FA0889C-5973-4FC9-970B-EC15C925D0CE}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{BEEB932A-8D4A-4619-AEFE-A836F988B221}\InprocServer32\ = "C:\\Windows\\system32\\dnssdX.dll"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Interface\{8FA0889C-5973-4FC9-970B-EC15C925D0CE}\NumMethods	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Bonjour.DNSSDRecord\CLSID	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Bonjour.TXTRecord.1\CLSID	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{BEEB932A-8D4A-4619-AEFE-A836F988B221}\ProgID	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\2B0163E6D0340BE4183EB2758E9BEDD8\JavaSupport = "Bonjour"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2B0163E6D0340BE4183EB2758E9BEDD8\Version = "50331648"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2B0163E6D0340BE4183EB2758E9BEDD8\Assignment = "1"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\Interface\{21AE8D7F-D5FE-45CF-B632-CFA2C2C6B498}\TypeLib	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{29DE265F-8402-474F-833A-D4653B23458F}\NumMethods\ = "19"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Interface\{9CE603A0-3365-4DA0-86D1-3F780ECBA110}\ProxyStubClsid	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9CE603A0-3365-4DA0-86D1-3F780ECBA110}\TypeLib\ = "{18FBED6D-F2B7-4EC8-A4A4-46282E635308}"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Bonjour.TXTRecord	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{BEEB932A-8D4A-4619-AEFE-A836F988B221}\AppID = "{56608F9C-223B-4CB6-813D-85EDCCADFB4B}"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{21AE8D7F-D5FE-45CF-B632-CFA2C2C6B498}\ProxyStubClsid\ = "{00020420-0000-0000-C000-000000000046}"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\AppID\Bonjour.DLL	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{AFEE063C-05BA-4248-A26E-168477F49734}\ = "TXTRecord Class"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7FD72324-63E1-45AD-B337-4D525BD98DAD}\TypeLib\ = "{18FBED6D-F2B7-4EC8-A4A4-46282E635308}"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{BEEB932A-8D4A-4619-AEFE-A836F988B221}	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{29DE265F-8402-474F-833A-D4653B23458F}\ProxyStubClsid32\ = "{7FD72324-63E1-45AD-B337-4D525BD98DAD}"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2B0163E6D0340BE4183EB2758E9BEDD8\ProductName = "Bonjour"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{24CD4DE9-FF84-4701-9DC1-9B69E0D1090A}	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\CLSID\{AFEE063C-05BA-4248-A26E-168477F49734}\VersionIndependentProgID	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{AFEE063C-05BA-4248-A26E-168477F49734}\VersionIndependentProgID\ = "Bonjour.TXTRecord"	msiexec.exe
Key created	\REGISTRY\MACHINE\Software\Classes\WOW6432Node\Interface\{9CE603A0-3365-4DA0-86D1-3F780ECBA110}\TypeLib	msiexec.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2896	setup.tmp
2896	setup.tmp
2952	msedge.exe
2952	msedge.exe
2904	msedge.exe
2904	msedge.exe
5348	identity_helper.exe
5348	identity_helper.exe
2888	lonelyscreen-win-installer.tmp
2888	lonelyscreen-win-installer.tmp

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

pid	Process
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1556	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1556	msiexec.exe
Token: SeSecurityPrivilege	3036	msiexec.exe
Token: SeCreateTokenPrivilege	1556	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1556	msiexec.exe
Token: SeLockMemoryPrivilege	1556	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1556	msiexec.exe
Token: SeMachineAccountPrivilege	1556	msiexec.exe
Token: SeTcbPrivilege	1556	msiexec.exe
Token: SeSecurityPrivilege	1556	msiexec.exe
Token: SeTakeOwnershipPrivilege	1556	msiexec.exe
Token: SeLoadDriverPrivilege	1556	msiexec.exe
Token: SeSystemProfilePrivilege	1556	msiexec.exe
Token: SeSystemtimePrivilege	1556	msiexec.exe
Token: SeProfSingleProcessPrivilege	1556	msiexec.exe
Token: SeIncBasePriorityPrivilege	1556	msiexec.exe
Token: SeCreatePagefilePrivilege	1556	msiexec.exe
Token: SeCreatePermanentPrivilege	1556	msiexec.exe
Token: SeBackupPrivilege	1556	msiexec.exe
Token: SeRestorePrivilege	1556	msiexec.exe
Token: SeShutdownPrivilege	1556	msiexec.exe
Token: SeDebugPrivilege	1556	msiexec.exe
Token: SeAuditPrivilege	1556	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1556	msiexec.exe
Token: SeChangeNotifyPrivilege	1556	msiexec.exe
Token: SeRemoteShutdownPrivilege	1556	msiexec.exe
Token: SeUndockPrivilege	1556	msiexec.exe
Token: SeSyncAgentPrivilege	1556	msiexec.exe
Token: SeEnableDelegationPrivilege	1556	msiexec.exe
Token: SeManageVolumePrivilege	1556	msiexec.exe
Token: SeImpersonatePrivilege	1556	msiexec.exe
Token: SeCreateGlobalPrivilege	1556	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe
Token: SeRestorePrivilege	3036	msiexec.exe
Token: SeTakeOwnershipPrivilege	3036	msiexec.exe

Suspicious use of FindShellTrayWindow 29 IoCs

pid	Process
2896	setup.tmp
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
5752	lonelyscreen.exe
5752	lonelyscreen.exe
2888	lonelyscreen-win-installer.tmp

Suspicious use of SendNotifyMessage 26 IoCs

pid	Process
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
2904	msedge.exe
5752	lonelyscreen.exe
5752	lonelyscreen.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5752	lonelyscreen.exe
5752	lonelyscreen.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 2888	4600	lonelyscreen-win-installer.exe	83
PID 4600 wrote to memory of 2888	4600	lonelyscreen-win-installer.exe	83
PID 4600 wrote to memory of 2888	4600	lonelyscreen-win-installer.exe	83
PID 2888 wrote to memory of 3088	2888	lonelyscreen-win-installer.tmp	103
PID 2888 wrote to memory of 3088	2888	lonelyscreen-win-installer.tmp	103
PID 2888 wrote to memory of 3088	2888	lonelyscreen-win-installer.tmp	103
PID 3088 wrote to memory of 2896	3088	setup.exe	104
PID 3088 wrote to memory of 2896	3088	setup.exe	104
PID 3088 wrote to memory of 2896	3088	setup.exe	104
PID 2896 wrote to memory of 2904	2896	setup.tmp	106
PID 2896 wrote to memory of 2904	2896	setup.tmp	106
PID 2904 wrote to memory of 1392	2904	msedge.exe	107
PID 2904 wrote to memory of 1392	2904	msedge.exe	107
PID 2888 wrote to memory of 1556	2888	lonelyscreen-win-installer.tmp	108
PID 2888 wrote to memory of 1556	2888	lonelyscreen-win-installer.tmp	108
PID 2888 wrote to memory of 1556	2888	lonelyscreen-win-installer.tmp	108
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2008	2904	msedge.exe	111
PID 2904 wrote to memory of 2952	2904	msedge.exe	112
PID 2904 wrote to memory of 2952	2904	msedge.exe	112
PID 2904 wrote to memory of 1544	2904	msedge.exe	113
PID 2904 wrote to memory of 1544	2904	msedge.exe	113
PID 2904 wrote to memory of 1544	2904	msedge.exe	113
PID 2904 wrote to memory of 1544	2904	msedge.exe	113
PID 2904 wrote to memory of 1544	2904	msedge.exe	113
PID 2904 wrote to memory of 1544	2904	msedge.exe	113

C:\Users\Admin\AppData\Local\Temp\lonelyscreen-win-installer.exe
"C:\Users\Admin\AppData\Local\Temp\lonelyscreen-win-installer.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4600
- C:\Users\Admin\AppData\Local\Temp\is-K36KT.tmp\lonelyscreen-win-installer.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-K36KT.tmp\lonelyscreen-win-installer.tmp" /SL5="$9021C,164153,114176,C:\Users\Admin\AppData\Local\Temp\lonelyscreen-win-installer.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2888
- - C:\Users\Admin\AppData\Local\Temp\is-DSV15.tmp\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\is-DSV15.tmp\setup.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3088
  - - C:\Users\Admin\AppData\Local\Temp\is-629IB.tmp\setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-629IB.tmp\setup.tmp" /SL5="$602BE,7573378,114176,C:\Users\Admin\AppData\Local\Temp\is-DSV15.tmp\setup.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:2896
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.lonelyscreen.com/installed.php?version=1.2.16
        5⤵
        Loads dropped DLL
        Enumerates system info in registry
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        Suspicious use of FindShellTrayWindow
        Suspicious use of SendNotifyMessage
        Suspicious use of WriteProcessMemory
        
        PID:2904
      - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffd0b4846f8,0x7ffd0b484708,0x7ffd0b484718
        6⤵
        
        PID:1392
      - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1948,15450849665981186278,17742290322108336841,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2024 /prefetch:2
        6⤵
        
        PID:2008
      - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1948,15450849665981186278,17742290322108336841,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2100 /prefetch:3
        6⤵
        Loads dropped DLL
        Suspicious behavior: EnumeratesProcesses
        
        PID:2952
      - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1948,15450849665981186278,17742290322108336841,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2828 /prefetch:8
        6⤵
        
        PID:1544
      - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,15450849665981186278,17742290322108336841,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3192 /prefetch:1
        6⤵
        
        PID:1552
      - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,15450849665981186278,17742290322108336841,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3200 /prefetch:1
        6⤵
        
        PID:4144
      - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,15450849665981186278,17742290322108336841,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4964 /prefetch:1
        6⤵
        
        PID:3192
      - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1948,15450849665981186278,17742290322108336841,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4816 /prefetch:8
        6⤵
        
        PID:2364
      - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1948,15450849665981186278,17742290322108336841,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4816 /prefetch:8
        6⤵
        Suspicious behavior: EnumeratesProcesses
        
        PID:5348
      - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,15450849665981186278,17742290322108336841,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3728 /prefetch:1
        6⤵
        
        PID:6132
      - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1948,15450849665981186278,17742290322108336841,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5404 /prefetch:1
        6⤵
        
        PID:6140
- - C:\Windows\SysWOW64\msiexec.exe
    "msiexec.exe" /qn /i C:\Users\Admin\AppData\Local\Temp\is-DSV15.tmp\bonjour.msi
    3⤵
    - Event Triggered Execution: Installer Packages
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1556
- - C:\Program Files (x86)\LonelyScreen\lonelyscreen.exe
    "C:\Program Files (x86)\LonelyScreen\lonelyscreen.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of SetWindowsHookEx
    PID:5752

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3036
- C:\Windows\System32\MsiExec.exe
  C:\Windows\System32\MsiExec.exe -Embedding 71BD89A5E528696392D10FC8DCA04FAA
  2⤵
  - Loads dropped DLL
  PID:3864
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding BA37278F035C7615168ACC7EE58A0601
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 2D3921277C92F9CB20F67A6E86A876B4 E Global\MSI0000
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4240
- C:\Windows\System32\MsiExec.exe
  "C:\Windows\System32\MsiExec.exe" /Y "C:\Program Files\Bonjour\mdnsNSP.dll"
  2⤵
  - Loads dropped DLL
  PID:5440
- C:\Windows\syswow64\MsiExec.exe
  "C:\Windows\syswow64\MsiExec.exe" /Y "C:\Program Files (x86)\Bonjour\mdnsNSP.dll"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:5500

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4308

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3744

C:\Program Files\Bonjour\mDNSResponder.exe
"C:\Program Files\Bonjour\mDNSResponder.exe"
1⤵
- Modifies firewall policy service
- Executes dropped EXE
PID:5528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Installer Packages

T1546.016

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Installer Packages

T1546.016

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

System Binary Proxy Execution

T1218

Msiexec

T1218.007

Credential Access

Discovery

Browser Information Discovery

T1217

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Config.Msi\e5834f9.rbs

Filesize
126KB

MD5
938c64b994984c14b6c223bc5f195f2c

SHA1
7871fa89acfb43de6f473dc2baad03d497769a20

SHA256
1c4d69f8c88bc97ec1fded58cf410894e13257a55aae61e6e8085a6698f95935

SHA512
8bb0c3526948ea0817df7552baaa5ff35273b0b19ebad202db5987180d9a7d09ef7a762fd745eca7b73466f5bc3a14647c1557ad15f04ae7d9448f50c8ccf7c5

Download Submit
C:\Program Files (x86)\Bonjour\mDNSResponder.exe

Filesize
381KB

MD5
db5bea73edaf19ac68b2c0fad0f92b1a

SHA1
74bb0197763e386036751bf30c5bbf4c389fa24e

SHA256
10f21999ff6b1d410ebf280f7f27deaca5289739cf12f4293b614b8fc6c88dcc

SHA512
63b718288c266debf3f58ac1a62cdcca6f09350616d53a406271d8f4fe6144751eddf7b7ba2dbfe79cfda671ee5afbdbae5798204edaaf4f0391895b824ae7c5

Download Submit
C:\Program Files (x86)\Bonjour\mdnsNSP.dll

Filesize
118KB

MD5
40947436a70e0034e41123df5a0a7702

SHA1
6c27e1dd1c1533feb6435190a5074300ac2a9822

SHA256
5d40fd92da5ca59c1badb58ad509db6a6d613f18660a9a270a53eca85d34c3a9

SHA512
ba5634cc82f306245f9f0350bfa0b91e2f5ffc6c355b1452a95483f47e6acdb42c4e063f6c15115faf0f0630005df4fe8ef0e01539c270031cbd07a34a929704

Download Submit
C:\Program Files (x86)\LonelyScreen\LonelyScreen.exe

Filesize
22.3MB

MD5
a3ff7e328f41f4a6af82266bfe12036f

SHA1
79f0e44415ffe74b320dfb27c8988d326dc80b2e

SHA256
9f2a9f89adda3003c587e4a9bdf5decf3260beefb135180e44845aee7730f731

SHA512
472625b9ab26e83845a72423722e4b1286dce950597a52e95dff385bb33c1a1e4870755f273c8a02dea0793d04bdad7779cc05c786dff7ed624f5feb46d0a803

Download Submit
C:\Program Files (x86)\LonelyScreen\is-950A1.tmp

Filesize
1.1MB

MD5
cc8b164c85cc68a2e6e0d10e452ef68b

SHA1
fed79b50a5f03c0e33071ff849ea19dfdaf3c464

SHA256
20590034969e110c4fba1d065da8ac53dad79f5b8a9bd68780164207a170c749

SHA512
bee540ceb2b1de587872cdb963d2c754ac4ba0f3cac8026c3d7c2882aae0bfeb31babae927361b2ef5484ab2085b4a19914cc99a504aafd3f08c34f9f626699d

Download Submit
C:\Program Files (x86)\LonelyScreen\unins000.dat

Filesize
6KB

MD5
23a5a3e40b746add46be332a5a4e7b7f

SHA1
1112b16c1705dd5e3b41de3ec4c6fdb60446f6d1

SHA256
8c59f8bda2b9198bac292efdbe0d83d86784e0180248e3571ed0facb23e08a44

SHA512
870fa50c795642ff46aa5b4fb5a990496792fe6415e28f27906f94b30beac2d268957124a2b5cd311efee5a28bfa1d39fa388f0e078c27176429ecbcb178e056

Download Submit
C:\Program Files\Bonjour\mDNSResponder.exe

Filesize
451KB

MD5
ebbcd5dfbb1de70e8f4af8fa59e401fd

SHA1
5ca966b9a5ff4ecd0e139e21b3e30f3ea48e1a88

SHA256
17bffc5df609ce3b2f0cab4bd6c118608c66a3ad86116a47e90b2bb7d8954122

SHA512
2fbfcff6bc25461e7c98aabdae0efb33f2df64140aaf4b2b0c253e34294e1606077ae47b000ebababb3600bd4d9154a945036c58e4e930da445a0dda765ac8a4

Download Submit
C:\Program Files\Bonjour\mdnsNSP.dll

Filesize
129KB

MD5
f9d908de6b166dac9b89bf62fa291ce8

SHA1
938b53238291fc41ae852fdde51eed7a2bff0604

SHA256
d0a918ad60221623bb0278ea94cd6938744617fdbb2054968afafc2940648f02

SHA512
6643a7066974abfd5904df73ed225fd5eed4a84341b12199b6eb9a8a2ad234dba865d50f8ccff8a88002ce4c6ae2131745cf43aac88a3a0a66b596fb0d93e56e

Download Submit
C:\Program Files\Java\jre-1.8\lib\ext\dns_sd.jar

Filesize
16KB

MD5
ca086bb31b598febd7e8d44daf14714a

SHA1
4838808e80df811cfb2bf7faf361b3cbc16f9f81

SHA256
3818abdee5b1d3d77ae4a5ace25a638b2d7d624605f8e8ce14dd6d4c6639c00c

SHA512
54188bf433a0da1b6b8f6f881af6d681a6bb629693191c7ee46f852953529cb94dfa894aca574e1cd7355985ea8d6187e7694c8144ea1db880922676f0dfe0c5

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\103621DE9CD5414CC2538780B4B75751

Filesize
717B

MD5
822467b728b7a66b081c91795373789a

SHA1
d8f2f02e1eef62485a9feffd59ce837511749865

SHA256
af2343382b88335eea72251ad84949e244ff54b6995063e24459a7216e9576b9

SHA512
bacea07d92c32078ca6a0161549b4e18edab745dd44947e5f181d28cc24468e07769d6835816cdfb944fd3d0099bde5e21b48f4966824c5c16c1801712303eb6

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6F06065BB83477089CB2AC4E4CE380C8

Filesize
504B

MD5
9bc0cab2765e360a50f22bbebb656501

SHA1
8bf0009bf4dfb23a7e4aea00db38d451c8ef61b2

SHA256
202c4b96677de63c750b4faa8ea126cec6bd7a07eee84f75d707da583af5ffc2

SHA512
fde674f858b81eaed33e3b179da560139682f271fb4cd04d6f80b59e809c3fe6f50ed23018371a27515f518ab822eb1bc72e4a26a2285f4af38ebd811d7320f7

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\103621DE9CD5414CC2538780B4B75751

Filesize
192B

MD5
f56634b493943632257b464bc5c01d6b

SHA1
c7b5a66b3660c07795134a5e0900ebae848821ae

SHA256
ad405a76a1d15d5cb5193a39b1045921567fbe2fe84bf91df1ee56e434ace199

SHA512
d5117e528fe8b5ed1080188205897e7d95984e6ee40f3061fbe26beaf3673bb6f11aacaa2e902b0eb4e9a7ea207e3edf062bb0dde75985f39f4a47c7a75a35ba

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6F06065BB83477089CB2AC4E4CE380C8

Filesize
546B

MD5
54256c980c46fd7675375730b712ba8d

SHA1
eae8072766fdbdf41fc3cfba5f51d8a5ffa31f99

SHA256
f8e88db60683cafca96295fc3a7ca567fa81d0a412e5b89ebdffa741606a65fa

SHA512
eb9c538e138a2500138c8e1a3bf4dda047edf975fe7c6c866b9cb9ca6cdd434923e99c0d3ba1b545cb98994e7926a26f54e7e743232b43596cdfa756d9bf5488

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
37f660dd4b6ddf23bc37f5c823d1c33a

SHA1
1c35538aa307a3e09d15519df6ace99674ae428b

SHA256
4e2510a1d5a50a94fe4ce0f74932ab780758a8cbdc6d176a9ce8ab92309f26f8

SHA512
807b8b8dc9109b6f78fc63655450bf12b9a006ff63e8f29ade8899d45fdf4a6c068c5c46a3efbc4232b9e1e35d6494f00ded5cdb3e235c8a25023bfbd823992d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
d7cb450b1315c63b1d5d89d98ba22da5

SHA1
694005cd9e1a4c54e0b83d0598a8a0c089df1556

SHA256
38355fd694faf1223518e40bac1996bdceaf44191214b0a23c4334d5fb07d031

SHA512
df04d4f4b77bae447a940b28aeac345b21b299d8d26e28ecbb3c1c9e9a0e07c551e412d545c7dbb147a92c12bad7ae49ac35af021c34b88e2c6c5f7a0b65f6a8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
bc5d5498585207f5623af9675011e609

SHA1
08f9f4a98611a2719ef562b8b5221cdcb36f41d0

SHA256
a4ab9ebe87a6cd79766b1ccd4ca5f44ccddfa5a4065a7d9e64e332ca44550ec2

SHA512
f18774be24eee5a94a6f708f2980d9b01146431ebeb75358c2d1d568a87bb3bdb0132a95309f7a985be78353a5605f66ae4830a096957284759171080fa5e678

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
fca7f9178d25d0de1ce48c50730cea96

SHA1
859ed929989ad76efe8a5ec041b3eeeea2f733af

SHA256
779ca1972bfcc3e097ea99cd6a88088f112a48a6b3862b9bff1bf6101a751c0b

SHA512
daeb92f53de07afe141dac2d37de98eeeaf2b3aa1bb6a0708472a2183bfc2f6c25110283905915fc32130d7d47334eb2272a1e8943303d715c6407cdd2c5682b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
10KB

MD5
081f0358757eefe97982f2a2faebb163

SHA1
b7c0246da894ebc67b6b770da3f23e96beae415a

SHA256
b3fc03fde4b50b1f5c738d0dc01b1c43299215ef72e60b0e3f6bfdbfc3a7e6e5

SHA512
71c82121c7317be0a75aa228b6f6a6ba953ff5ee6575212edab9ac31e8cf1d37aa3120402954bd2d8de2b45f2d078881e396bdf3f9344e5c7e6fe9d05e6483a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DSV15.tmp\bonjour.msi

Filesize
2.6MB

MD5
8dcf5c9eaacdaf4568220d103f393dea

SHA1
27f68596398b68ba048f95752b4eeb4aa013c23f

SHA256
53be81cc6e2dc95a1041e8f3d8f500fad4259ab20a1aac151b5fc7a64d354a93

SHA512
10f8ffb6fa5e7163f0a83190ddf211479f12e16635389b49ac041eceafd7f04c040d830065adc89b1003f38d8381851c09150a5bc8edced6ecae8ee5ae801088

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DSV15.tmp\isxdl.dll

Filesize
131KB

MD5
16881920cbe9ddb46c3ef29ee405a857

SHA1
0f76cffc2e57cf5c481a8015d203b96638d36ef5

SHA256
59abe5f46020cb56e1079df8dc1145b2033e4b1459ae3d92f637064a6b618bc1

SHA512
f07d1f4133a2ba2bda92fa6f55360fae73e44b97756ee3044f31af5f9e01cda34e7efbb1520c0b5aa2a496edc03ed4fefdc4ad419c1028b1ce6457b69aabeba0

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-DSV15.tmp\setup.exe

Filesize
7.6MB

MD5
7a2f16b1053362d8e8edae5e320dd4d9

SHA1
8cda4387a93287f38d2b48fb109bd54a77bcdcf9

SHA256
d2c7d87fad0c0fa94a4e2acdca4524cda696f2fd0c53ea9ddbe927da839707fa

SHA512
2277ee7ac98560093a652019bf3a2fb18f02718580ef6711532498aaa17b87705266ed83093ffd4cfc73ec608a76359336a1780586679838633ac403bf683bcd

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-H3GNA.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-K36KT.tmp\lonelyscreen-win-installer.tmp

Filesize
1.1MB

MD5
f120c361b527a9d090782300aa8f1ce5

SHA1
ed82441da0dc7a5695ef96839fc2aea0f0c7e376

SHA256
9209a83ac4b0127081327b6e03960e2a4325dbb31f0bba2b56dfb785583f9825

SHA512
60fc418c4296f67b923e1fff4e6034ed41eeba61604b14d560cfd84e7476b59311c6029aee7ee602d8fdc635107855e5c05dcf6a0137c6ba89db7134e63e5555

Download Submit
C:\Windows\Installer\MSI39B8.tmp

Filesize
75KB

MD5
08c031fa82a09aae1079378669678fe6

SHA1
b109251d2fef08bd446be0c92369e6f11eb67093

SHA256
8764d060558a9d4ef24adb43201d5178033171a649ad497f79ce3b6cc8eda98a

SHA512
d133a7c02ee8e6e4a971ed4a6537c11cb58516a5ac0501672169805f7b97591d7cffd3a72133bd1df4b8d8a4f4965ddf324a83cd9be0d8af15e646a121e2ea4c

Download Submit
C:\Windows\Installer\MSI3C9B.tmp

Filesize
75KB

MD5
6f8e3e4f72620bddc633f0175f47161e

SHA1
53ed75a208cc84f1a065e9e4ece356371cac0341

SHA256
2adf199f6baf245f0b07d31a3a1401d4262c3e6c98b8f10df923ceb2c937291e

SHA512
80187277e78f59b7ea71ed3caa55452e730d93b8c296d5820d470776a428cbb7e7fead87240e811436f85e4d89df2b9f31d6d16658d21abf59395cab7074a869

Download Submit
C:\Windows\SysWOW64\dnssd.dll

Filesize
71KB

MD5
062373995eae5f0eac9eaa9192136bfb

SHA1
b421e274da7d34aba8bf09ec2d3e7b4a01392b84

SHA256
0392d5656bd677c4c5cb74c96e7b85b0867f2535a37950aec7f5c4a1a70d19ae

SHA512
89c01c6c0abb7462a0dff6d9d03141f5dc42d08fcb22e44e532d8a87dd9d8c7db2fc272a1a52a147645e54d0116db94878fedc81f5fe4e5bf7d15292d95b2b88

Download Submit
memory/2888-275-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download
memory/2888-45-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download
memory/2888-7-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download
memory/2888-25-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download
memory/2888-224-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download
memory/2888-17-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download
memory/2896-62-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download
memory/2896-40-0x0000000000400000-0x0000000000529000-memory.dmp

Filesize
1.2MB

Download
memory/3088-35-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3088-32-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/3088-65-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4600-26-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4600-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4600-2-0x0000000000401000-0x0000000000410000-memory.dmp

Filesize
60KB

Download
memory/4600-276-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download