7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 07:52

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General

Target

7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Size

64KB
MD5

bd27b7bfa460b44a0852c2692d519e61
SHA1

89fe3f30e7d4074b0afb7038acbcd91783a63ae6
SHA256

7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5
SHA512

781d01ab86c69546b30a3a2ae1f5251b3f7487bcca1482958da78413353b0dfb152226be3de9909377490d1c57eab6feca2e7aea9df274692fb833a96a187520
SSDEEP

1536:8g/9T8ROcQupqqusN3mrS/ztMhkywRFUnTmc5n4IIIIIIIIIIIIIIIIII/IIIIIN:8g585LpPCrQt7F84IIIIIIIIIIIIIIIT

Score

10^/10

aspackv2 discovery evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 3 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exespoolws.exespoolws.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spoolws.exe"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spoolws.exe"	spoolws.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe spoolws.exe"	spoolws.exe

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

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Processes:

7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exespoolws.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	spoolws.exe

Disables RegEdit via registry modification 2 IoCs

evasion

Processes:

7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exespoolws.exe

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	spoolws.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
behavioral1/files/0x0007000000012117-4.dat	aspack_v212_v242

Executes dropped EXE 2 IoCs

Processes:

spoolws.exespoolws.exe

pid	Process
2408	spoolws.exe
1332	spoolws.exe

Modifies system executable filetype association 2 TTPs 8 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Service Host = "C:\\Windows\\spoolws.exe"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe

Drops file in Program Files directory 64 IoCs

Processes:

spoolws.exe

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsMacroTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsBrowserUpgrade.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsMacroTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OSPP.HTM	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\QuickStyles\Thatch.dotx	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\AccessWeb\CLNTWRAP.HTM	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsImageTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms5\FormsPrintTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms5\FormsPrintTemplateRTL.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ENGDIC.DAT	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsPreviewTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsViewFrame.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\JFONT.DAT	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OCRVC.DAT	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\QuickStyles\Distinctive.dotx	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsBrowserUpgrade.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OCRHC.DAT	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms\FormsDoNotTrust.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsBlankPage.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsVersion1Warning.htm	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsViewFrame.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms5\FormsFormTemplateRTL.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\QuickStyles\DefaultBlackAndWhite.dotx	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\QuickStyles\Traditional.dotx	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\PROTTPLN.DOC	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsPrintTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsViewTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms5\FormsBlankPage.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms5\FormsImageTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\QuickStyles\Elegant.dotx	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms\FormsVersion1Warning.htm	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsBlankPage.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsHomePage.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsHomePage.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\QuickStyles\Manuscript.dotx	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\PSRCHLEX.DAT	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\PSRCHSRN.DAT	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsFormTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\QuickStyles\Modern.dotx	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\PSRCHKEY.DAT	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\PSRCHPHN.DAT	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsColorChart.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms5\FormsMacroTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ENGIDX.DAT	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Document Parts\1033\14\Built-In Building Blocks.dotx	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms\FormsBlankPage.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms\FormsPreviewTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\QuickStyles\Classic.dotx	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\PSRCHLTS.DAT	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsColorChart.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsFormTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms3\FormsPreviewTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms5\FormsPreviewTemplateRTL.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\QuickStyles\Default.dotx	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\QuickStyles\Fancy.dotx	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\OUTFORM.DAT	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsVersion1Warning.htm	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\LOOKUP.DAT	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OUTLFLTR.DAT	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\QuickStyles\Simple.dotx	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms5\FormsFormTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms4\FormsImageTemplate.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\Groove\ToolData\groove.net\GrooveForms5\FormsBrowserUpgrade.html	spoolws.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\QuickStyles\Newsprint.dotx	spoolws.exe

Drops file in Windows directory 48 IoCs

Processes:

spoolws.exe7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exespoolws.exe

description	ioc	Process
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	spoolws.exe
File created	C:\Windows\message.htm	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Contribute 2 Crack.exe	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsBrowserUpgrade.html	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsVersion1Warning.htm	spoolws.exe
File opened for modification	C:\Windows\spoolws.exe	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsBlankPage.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsImageTemplate.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 beta patch2 Crack.exe	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsBlankPage.html	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsViewFrame.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsViewTemplate.html	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsFormTemplate.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsFormTemplateRTL.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Contribute 2 Crack.exe	spoolws.exe
File created	C:\Windows\spoolws.exe	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsDoNotTrust.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsHomePage.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsColorChart.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsFormTemplate.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsMacroTemplate.html	spoolws.exe
File created	C:\Windows\spoolws.exe	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsPreviewTemplateRTL.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsPrintTemplateRTL.html	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Half Life 2 beta patch2 Crack.exe	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsImageTemplate.html	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsPreviewTemplate.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsPrintTemplate.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsVersion1Warning.htm	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsViewFrame.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\OSPP.HTM	spoolws.exe
File created	C:\Windows\svchost.exe	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsBrowserUpgrade.html	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsHomePage.html	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsPrintTemplate.html	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsColorChart.html	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsMacroTemplate.html	spoolws.exe
File created	C:\Windows\spoolws.exe	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsViewTemplate.html	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\CLNTWRAP.HTM	spoolws.exe
File opened for modification	C:\Windows\svchost.exe	spoolws.exe
File created	C:\Windows\message.dat	spoolws.exe
File created	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Studio MX 2004 AllApps Crack.exe	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\Macromedia Studio MX 2004 AllApps Crack.exe	spoolws.exe
File opened for modification	C:\Windows\.{21EC2020-3AEA-1069-A2DD-08002B30309D}\FormsPreviewTemplate.html	spoolws.exe
File opened for modification	C:\Windows\svchost.exe	spoolws.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exespoolws.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolws.exe

Modifies data under HKEY_USERS 47 IoCs

Processes:

spoolws.exe

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\PublisherChangeInstallLanguage = "No"	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages\1033 = "On"	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\EnabledLanguages	spoolws.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached\{40DD6E20-7C17-11CE-A804-00AA003CA9F6} {000214FC-0000-0000-C000-000000000046} 0xFFFF = 010000000000000080b6d080b33cdb01	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\XLChangeInstallLanguage = "No"	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\SharePointDesignerChangeInstallLanguage = "No"	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\OneNoteChangeInstallLanguage = "No"	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\LangTuneUp = "OfficeCompleted"	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\OutlookChangeInstallLanguage = "No"	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\WebDesignerChangeInstallLanguage = "No"	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Shared	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows NT\CurrentVersion	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\WordChangeInstallLanguage = "No"	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\ProjectChangeInstallLanguage = "No"	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\InfoPathChangeInstallLanguage = "No"	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows NT	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources	spoolws.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\UILanguage = "1033"	spoolws.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\InstallLanguage = "1033"	spoolws.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\PreviousInstallLanguage = "1033"	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Shell Extensions\Cached	spoolws.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\HelpLanguage = "1033"	spoolws.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\WinXPLanguagePatch = "1"	spoolws.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\UISnapshot = 31003000330033000000	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\PPTChangeInstallLanguage = "No"	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\AccessChangeInstallLanguage = "No"	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles	spoolws.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	spoolws.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\14.0\Common\LanguageResources	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles	spoolws.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\WordMailChangeInstallLanguage = "No"	spoolws.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Shared\OfficeUILanguage = "1033"	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Policies\System	spoolws.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows	spoolws.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\UIFallback = 30003b0031003000330033000000	spoolws.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Office\14.0\Common\LanguageResources\HelpFallback = 30003b0031003000330033000000	spoolws.exe

Modifies registry class 12 IoCs

Processes:

7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\Shell\open\command	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\Shell\open\command	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\scrfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" /S"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\Shell\open\command	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\Shell\open\command	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\comfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\Shell\open\command	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\piffile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\cmdfile\shell\open\command\ = "C:\\Windows\\svchost.exe \"%1\" %*"	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\batfile\Shell\open\command	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

spoolws.exe

pid	Process
1332	spoolws.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe

description	pid	Process	procid_target
PID 2260 wrote to memory of 2408	2260	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe	30
PID 2260 wrote to memory of 2408	2260	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe	30
PID 2260 wrote to memory of 2408	2260	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe	30
PID 2260 wrote to memory of 2408	2260	7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe	30

C:\Users\Admin\AppData\Local\Temp\7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe
"C:\Users\Admin\AppData\Local\Temp\7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- Disables RegEdit via registry modification
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Windows\spoolws.exe
  "C:\Windows\spoolws.exe" -xInstallOurNiceServicesYes
  2⤵
  - Modifies WinLogon for persistence
  - Modifies visiblity of hidden/system files in Explorer
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2408

C:\Windows\spoolws.exe
C:\Windows\spoolws.exe -xStartOurNiceServicesYes
1⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:1332

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

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

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:\Windows\Temp\aXjkLsPO.mDY\message.htm

Filesize
89KB

MD5
baa47b828dbb032aec6d8d51cec1dd15

SHA1
a52121c276f5424dd3e16ba9feb9278db66017b4

SHA256
b67d214e8aebcd7f5b7bd976a6ff8344a161127ee3d4fd59e5506abfb1dc9007

SHA512
7b89b111ca0d8d1dff95f8e9006b048a41b14e6db28b0fd45a7f3ca2106f428a753b339139245d73afbafbf4231eeda9626846479133c2c0647f2827b0007ed1

Download Submit
C:\Windows\message.dat

Filesize
88KB

MD5
686ae54724b9c6d361dcfea0cf6b7fdf

SHA1
a333e7022f32e479be905650f809578df781b3bb

SHA256
e31f1e9a85120ec4509144d448a47c7730efedd7bc170f9fce30bd9120a29151

SHA512
b3d57c666182e13e60b560df6ba137f6c5d118877832f0cef370ecf3f3267a3e8af6e25a40a94ddc25fe02ee8801b96907de9b11df6fe547fcf63bf15a9197ef

Download Submit
C:\Windows\spoolws.exe

Filesize
64KB

MD5
bd27b7bfa460b44a0852c2692d519e61

SHA1
89fe3f30e7d4074b0afb7038acbcd91783a63ae6

SHA256
7a8f43187deaf0aa1ba244995e24ebf6fbc1cb2a7475d55fabf97f33685d25e5

SHA512
781d01ab86c69546b30a3a2ae1f5251b3f7487bcca1482958da78413353b0dfb152226be3de9909377490d1c57eab6feca2e7aea9df274692fb833a96a187520

Download Submit
memory/1332-264-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1332-415-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1332-26-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1332-407-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1332-397-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1332-75-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1332-378-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1332-165-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-377-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-402-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-164-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-396-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-66-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-398-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-400-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-263-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-404-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-406-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-25-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-408-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-410-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2260-414-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/2408-10-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download