3917ea976c6ff3d5068cf5d85d6ebe150a2cab96d5acd6e4f57bf3949f23cba5

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 08:03

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General

Target

3917ea976c6ff3d5068cf5d85d6ebe150a2cab96d5acd6e4f57bf3949f23cba5.exe
Size

2.3MB
MD5

436406aeac4e056e96d279bdb2b51bbe
SHA1

8a637bebd05a3c2439f1c632d6a5145d15adf72d
SHA256

3917ea976c6ff3d5068cf5d85d6ebe150a2cab96d5acd6e4f57bf3949f23cba5
SHA512

999b1c68d4a13985514dedc892c27b33420417f32d812eb9576a8dbfb7ed15f40d8c753d4c93048d77ed9e6699a26173457094fdf1ffee0a17752a0bdc548710
SSDEEP

49152:7X8MHZSa4a4FhQZT1SCRmG32eiN/IoB4MYYwOspNRrnBNazuOTc5zwHtIMNrH3h:JHZz4a4FhQx1SCsG3JiN/IoB4MYYwOsS

Score

8^/10

adware discovery persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

JTk6X4qsVTaErsD.exe

pid process

4208 JTk6X4qsVTaErsD.exe

pid	process
4208	JTk6X4qsVTaErsD.exe

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Processes:

regsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\InprocServer32\ = "C:\\Program Files (x86)\\GooSSave\\PJ2cwdeo48nR7l.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

JTk6X4qsVTaErsD.exeregsvr32.exeregsvr32.exe

pid process

4208 JTk6X4qsVTaErsD.exe
3184 regsvr32.exe
5020 regsvr32.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
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

pid	process
4208	JTk6X4qsVTaErsD.exe
3184	regsvr32.exe
5020	regsvr32.exe

Drops Chrome extension 5 IoCs

Processes:

JTk6X4qsVTaErsD.exe

description	ioc	process
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\olejpbacddhlhfedjocnkdpocpkhfheg\2.0\manifest.json	JTk6X4qsVTaErsD.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\olejpbacddhlhfedjocnkdpocpkhfheg\2.0\manifest.json	JTk6X4qsVTaErsD.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\olejpbacddhlhfedjocnkdpocpkhfheg\2.0\manifest.json	JTk6X4qsVTaErsD.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\olejpbacddhlhfedjocnkdpocpkhfheg\2.0\manifest.json	JTk6X4qsVTaErsD.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\olejpbacddhlhfedjocnkdpocpkhfheg\2.0\manifest.json	JTk6X4qsVTaErsD.exe

Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

regsvr32.exeJTk6X4qsVTaErsD.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\ = "GooSSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\ = "GooSSave"	JTk6X4qsVTaErsD.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\NoExplorer = "1"	JTk6X4qsVTaErsD.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}	JTk6X4qsVTaErsD.exe

Drops file in System32 directory 4 IoCs

Processes:

JTk6X4qsVTaErsD.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	JTk6X4qsVTaErsD.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	JTk6X4qsVTaErsD.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	JTk6X4qsVTaErsD.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	JTk6X4qsVTaErsD.exe

Drops file in Program Files directory 8 IoCs

Processes:

JTk6X4qsVTaErsD.exe

description	ioc	process
File created	C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.dll	JTk6X4qsVTaErsD.exe
File opened for modification	C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.dll	JTk6X4qsVTaErsD.exe
File created	C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.tlb	JTk6X4qsVTaErsD.exe
File opened for modification	C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.tlb	JTk6X4qsVTaErsD.exe
File created	C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.dat	JTk6X4qsVTaErsD.exe
File opened for modification	C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.dat	JTk6X4qsVTaErsD.exe
File created	C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.x64.dll	JTk6X4qsVTaErsD.exe
File opened for modification	C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.x64.dll	JTk6X4qsVTaErsD.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

JTk6X4qsVTaErsD.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}	JTk6X4qsVTaErsD.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{84133BB7-14A5-4E51-82E8-3A22CCF3859F}	JTk6X4qsVTaErsD.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	JTk6X4qsVTaErsD.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{84133BB7-14A5-4E51-82E8-3A22CCF3859F}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

JTk6X4qsVTaErsD.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84133BB7-14A5-4E51-82E8-3A22CCF3859F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\ = "GooSSave"	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\InprocServer32	JTk6X4qsVTaErsD.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\ProgID	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GooSSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\ProgID\ = ".9"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{84133bb7-14a5-4e51-82e8-3a22ccf3859f}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GooSSave"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\ProgID\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84133BB7-14A5-4E51-82E8-3A22CCF3859F}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{84133bb7-14a5-4e51-82e8-3a22ccf3859f}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84133BB7-14A5-4E51-82E8-3A22CCF3859F}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\VersionIndependentProgID	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\InprocServer32\ = "C:\\Program Files (x86)\\GooSSave\\PJ2cwdeo48nR7l.dll"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\InprocServer32\ThreadingModel = "Apartment"	JTk6X4qsVTaErsD.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\InprocServer32	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	JTk6X4qsVTaErsD.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\ProgID	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84133BB7-14A5-4E51-82E8-3A22CCF3859F}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GooSSave"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{84133bb7-14a5-4e51-82e8-3a22ccf3859f}"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{84133bb7-14a5-4e51-82e8-3a22ccf3859f}"	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\VersionIndependentProgID	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f}\VersionIndependentProgID\	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84133BB7-14A5-4E51-82E8-3A22CCF3859F}\Implemented Categories	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GooSSave\\PJ2cwdeo48nR7l.tlb"	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	JTk6X4qsVTaErsD.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	JTk6X4qsVTaErsD.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	JTk6X4qsVTaErsD.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

JTk6X4qsVTaErsD.exe

pid process

4208 JTk6X4qsVTaErsD.exe
4208 JTk6X4qsVTaErsD.exe
4208 JTk6X4qsVTaErsD.exe
4208 JTk6X4qsVTaErsD.exe

pid	process
4208	JTk6X4qsVTaErsD.exe
4208	JTk6X4qsVTaErsD.exe
4208	JTk6X4qsVTaErsD.exe
4208	JTk6X4qsVTaErsD.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

3917ea976c6ff3d5068cf5d85d6ebe150a2cab96d5acd6e4f57bf3949f23cba5.exeJTk6X4qsVTaErsD.exeregsvr32.exe

description	pid	process	target process
PID 4616 wrote to memory of 4208	4616	3917ea976c6ff3d5068cf5d85d6ebe150a2cab96d5acd6e4f57bf3949f23cba5.exe	JTk6X4qsVTaErsD.exe
PID 4616 wrote to memory of 4208	4616	3917ea976c6ff3d5068cf5d85d6ebe150a2cab96d5acd6e4f57bf3949f23cba5.exe	JTk6X4qsVTaErsD.exe
PID 4616 wrote to memory of 4208	4616	3917ea976c6ff3d5068cf5d85d6ebe150a2cab96d5acd6e4f57bf3949f23cba5.exe	JTk6X4qsVTaErsD.exe
PID 4208 wrote to memory of 3184	4208	JTk6X4qsVTaErsD.exe	regsvr32.exe
PID 4208 wrote to memory of 3184	4208	JTk6X4qsVTaErsD.exe	regsvr32.exe
PID 4208 wrote to memory of 3184	4208	JTk6X4qsVTaErsD.exe	regsvr32.exe
PID 3184 wrote to memory of 5020	3184	regsvr32.exe	regsvr32.exe
PID 3184 wrote to memory of 5020	3184	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

JTk6X4qsVTaErsD.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{84133bb7-14a5-4e51-82e8-3a22ccf3859f} = "1"	JTk6X4qsVTaErsD.exe

C:\Users\Admin\AppData\Local\Temp\3917ea976c6ff3d5068cf5d85d6ebe150a2cab96d5acd6e4f57bf3949f23cba5.exe
"C:\Users\Admin\AppData\Local\Temp\3917ea976c6ff3d5068cf5d85d6ebe150a2cab96d5acd6e4f57bf3949f23cba5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4616

C:\Users\Admin\AppData\Local\Temp\1d756858\JTk6X4qsVTaErsD.exe
"C:\Users\Admin\AppData\Local\Temp/1d756858/JTk6X4qsVTaErsD.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops Chrome extension
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4208

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.x64.dll"
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3184

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.x64.dll"
4⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:5020

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4008

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4696

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.dat
Filesize
4KB

MD5
00cfd91a0ce437cd97fd74dd1718825d

SHA1
18acadc10d0903031e89744cdfaffd606d8b30a5

SHA256
40efeb936f1caf4e8cfaaa33f951cce5353eff7fbf6a46208db0485ef0acdb4e

SHA512
a91bd6de7ccb54d326906d0a7dc6f88e3775a29af1bc9872e865b82c60125669d2a741cf1d6a0c9560e8db163943b395f9624f77114093d6903e05f737188d14

Download Submit
C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.dll
Filesize
626KB

MD5
da2d2831e9a10c1759257bbfbad99cf5

SHA1
bd420faa8c08274406f925343b364a729cf9bbaf

SHA256
2e3adbb1eabbed9d1157ffdc0cd2d95a89a87187a96bf1cb7a09f6dc5ce81acb

SHA512
67fcb81adada24fbe69db61300918c96e178501166a9ccdfe9e15710729b252a3542dcb6378a0553504be6ac9bf0d8856672302d1c54fd5a5adaaeddadeb9c11

Download Submit
C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.tlb
Filesize
3KB

MD5
1ab9d59d8a24d83e4c6a5a5857e09d47

SHA1
602e90f816405264428fece495cab2b78160fe0b

SHA256
82c17dfcfbf1a987aec69d023f4ca2e0de26612aaebf5c617c06c6c37deda349

SHA512
1fd66e5471a0bffb0a63068fb58f5bb6bc864abf8b06c8d60ffea3ee02e696addbc56c49cb15fd5493336a610ff1cce5efac425606641ab03cf5f532195d2c80

Download Submit
C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.x64.dll
Filesize
701KB

MD5
f94dd343cbd39b61666828ca6d669aa7

SHA1
34ab5c3c3754d945abafc4c5814e40e6e89ba62a

SHA256
33d7bd8ef8e025fa2899966b50c2675737264e6951a2815bd913171e2983c672

SHA512
9f188853b08bf3f63d6efcd76f724c39ca7f591c77bb9ceedc97e8026c7a7e997f81a2e715e5dc0eee11210b603f0744f80a6d9240bdb542c3b698ab5dc78d6a

Download Submit
C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.x64.dll
Filesize
701KB

MD5
f94dd343cbd39b61666828ca6d669aa7

SHA1
34ab5c3c3754d945abafc4c5814e40e6e89ba62a

SHA256
33d7bd8ef8e025fa2899966b50c2675737264e6951a2815bd913171e2983c672

SHA512
9f188853b08bf3f63d6efcd76f724c39ca7f591c77bb9ceedc97e8026c7a7e997f81a2e715e5dc0eee11210b603f0744f80a6d9240bdb542c3b698ab5dc78d6a

Download Submit
C:\Program Files (x86)\GooSSave\PJ2cwdeo48nR7l.x64.dll
Filesize
701KB

MD5
f94dd343cbd39b61666828ca6d669aa7

SHA1
34ab5c3c3754d945abafc4c5814e40e6e89ba62a

SHA256
33d7bd8ef8e025fa2899966b50c2675737264e6951a2815bd913171e2983c672

SHA512
9f188853b08bf3f63d6efcd76f724c39ca7f591c77bb9ceedc97e8026c7a7e997f81a2e715e5dc0eee11210b603f0744f80a6d9240bdb542c3b698ab5dc78d6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\JTk6X4qsVTaErsD.dat
Filesize
4KB

MD5
00cfd91a0ce437cd97fd74dd1718825d

SHA1
18acadc10d0903031e89744cdfaffd606d8b30a5

SHA256
40efeb936f1caf4e8cfaaa33f951cce5353eff7fbf6a46208db0485ef0acdb4e

SHA512
a91bd6de7ccb54d326906d0a7dc6f88e3775a29af1bc9872e865b82c60125669d2a741cf1d6a0c9560e8db163943b395f9624f77114093d6903e05f737188d14

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\JTk6X4qsVTaErsD.exe
Filesize
634KB

MD5
46a9ece4310c65d28b03c05e8364d3e9

SHA1
f0b678f6f80188648eb3271df46ce408c8e2f8cb

SHA256
2dee714b9282e5c291e59aec246e3e9bbc20a4d31c952beb0b96bc538112654e

SHA512
abba3ee629fbff3179ac56dab56eda9bae94651f73f9f3e70353b7a0595bb23ca1c0c2666910af2cac7fb75b740682ea31816696308226a1aa130b67e251e652

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\JTk6X4qsVTaErsD.exe
Filesize
634KB

MD5
46a9ece4310c65d28b03c05e8364d3e9

SHA1
f0b678f6f80188648eb3271df46ce408c8e2f8cb

SHA256
2dee714b9282e5c291e59aec246e3e9bbc20a4d31c952beb0b96bc538112654e

SHA512
abba3ee629fbff3179ac56dab56eda9bae94651f73f9f3e70353b7a0595bb23ca1c0c2666910af2cac7fb75b740682ea31816696308226a1aa130b67e251e652

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\PJ2cwdeo48nR7l.dll
Filesize
626KB

MD5
da2d2831e9a10c1759257bbfbad99cf5

SHA1
bd420faa8c08274406f925343b364a729cf9bbaf

SHA256
2e3adbb1eabbed9d1157ffdc0cd2d95a89a87187a96bf1cb7a09f6dc5ce81acb

SHA512
67fcb81adada24fbe69db61300918c96e178501166a9ccdfe9e15710729b252a3542dcb6378a0553504be6ac9bf0d8856672302d1c54fd5a5adaaeddadeb9c11

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\PJ2cwdeo48nR7l.tlb
Filesize
3KB

MD5
1ab9d59d8a24d83e4c6a5a5857e09d47

SHA1
602e90f816405264428fece495cab2b78160fe0b

SHA256
82c17dfcfbf1a987aec69d023f4ca2e0de26612aaebf5c617c06c6c37deda349

SHA512
1fd66e5471a0bffb0a63068fb58f5bb6bc864abf8b06c8d60ffea3ee02e696addbc56c49cb15fd5493336a610ff1cce5efac425606641ab03cf5f532195d2c80

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\PJ2cwdeo48nR7l.x64.dll
Filesize
701KB

MD5
f94dd343cbd39b61666828ca6d669aa7

SHA1
34ab5c3c3754d945abafc4c5814e40e6e89ba62a

SHA256
33d7bd8ef8e025fa2899966b50c2675737264e6951a2815bd913171e2983c672

SHA512
9f188853b08bf3f63d6efcd76f724c39ca7f591c77bb9ceedc97e8026c7a7e997f81a2e715e5dc0eee11210b603f0744f80a6d9240bdb542c3b698ab5dc78d6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\[email protected]\bootstrap.js
Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\[email protected]\chrome.manifest
Filesize
35B

MD5
b156f78588611aa4dad5eb5f5fb36097

SHA1
c2ac6375a6d46b924043ce8c398054d7e94111e7

SHA256
0200636122ac7d054dc77ab04c15f77aae4ab85c9903736b6c8f084bea1ab624

SHA512
075fe5d12b63ec33e307cf9dd99a3fc16fb09bc6e0e18b07f210a9a325c5ec32c52b6efedc177d811202d8f413377a380490c8ac75d2130539d0cad9e6a215e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\[email protected]\content\bg.js
Filesize
8KB

MD5
024a965b64847c4b08992c72708d565e

SHA1
ef90489aeb0e6ee1c43566920a01ea168f6fc2db

SHA256
7daa9c4ad04f6288fa690e739140bfc0ff77e68f8a5d9ce38e8ec436903fbd7f

SHA512
d2e5c2b573a51f00a59270cf1135d5a4787cb5bfca619b61e2c245121d67f889b5eb089e54e8a9efe0c49abdbe599e41bf0ef79f4c23379c34aaf9cf78ac74e5

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\[email protected]\install.rdf
Filesize
600B

MD5
0803a62ca6725d505c2fe356aa3f990d

SHA1
7a3b44d4c33daa65fd54981259c4978ccffa9acf

SHA256
636fc97fb577c692cbd0dbd53e7f7adf2acbedcb92e855ae28209362ffdca691

SHA512
63e2fc92fe7b1c47e316bf805471b1c6fb19c89d019e13be09303861a0c1f499de915fc04e50b3abaf64f0c2fd4412231c5d95fc2b72b8449a38f00aae78b26a

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\olejpbacddhlhfedjocnkdpocpkhfheg\BlZU.js
Filesize
6KB

MD5
f7a7188d0f77561fc511492747075d7b

SHA1
ec7173e3b624c2c807592909139b6dee58da5adc

SHA256
f1177c6ff23d2b0acf79ce07b12012890dbb17fcd9b01dbdf1b7a5bd44400999

SHA512
8dc7a765c08a1483bb1f6227e77e79390dcc7d5da65faf5195a3437ad4c1328dbc88333fd1d3d8ec30c3d94f58ffeb8db898a21c7a54a9655ccc8bfd39d14b81

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\olejpbacddhlhfedjocnkdpocpkhfheg\background.html
Filesize
141B

MD5
97513b05eff67432b7d854404bc72627

SHA1
646e86f1a718d7acf487e801a9fee08654dcaedb

SHA256
893e23d2a0afbdde7e45b3fd94f5b88c9237dd79da244d5da9c5c09ae4277979

SHA512
d3f35d1687460e35b5f3e50bca141f0d6db6cb4dede2959214b2b37c855c07808201fe3d35a7483e5a95771f2110c55ad007f9491962e1b9b5c1862313174a13

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\olejpbacddhlhfedjocnkdpocpkhfheg\content.js
Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\olejpbacddhlhfedjocnkdpocpkhfheg\lsdb.js
Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d756858\olejpbacddhlhfedjocnkdpocpkhfheg\manifest.json
Filesize
500B

MD5
52023f81736bd6d05c1f2f5bc57dcfa1

SHA1
e0571d9f8d77807dc269ec6da95537f543e8d7dc

SHA256
19d4ead9dcdb734df9c41fb160c7057a78f7ee8a6ae9696001f02ca605ffc78c

SHA512
f067961b37f50a32218c8cabbfaec6a127fa223df95739629e3cf958afafe32d66e1819af23e1885c5cb0301a4abc24cd198675ca9b4da180364be742aa15030

Download Submit
memory/3184-149-0x0000000000000000-mapping.dmp

Download
memory/4208-132-0x0000000000000000-mapping.dmp

Download
memory/5020-152-0x0000000000000000-mapping.dmp

Download