19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b

General

Target

19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Size

3.8MB
MD5

da1ad20f044065794ba34bdf308dec45
SHA1

f0408b43e082a0b0180f15899b6a721149ae7830
SHA256

19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b
SHA512

a017022671cb68ed1a5a5fe145e496e48f95a55009a3238023044c9b8d8cef2cab3126fd869547a8e2dd846cd2b174ccc2ca8d8ae60a8d10c369d298b60f0ef9
SSDEEP

98304:onWFymrPdw8pdIrf+rfnnTPv5BSCiG312v/g4aNUyZpV8SpYjx9ql7Y6qZe1xt7P:aOw1cF5FVtYF0xt7P

Score

8^/10

adware discovery persistence spyware stealer

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\InprocServer32\ = "C:\\Program Files (x86)\\GoSaVe\\wpPeQDVtZN5LRm.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exeregsvr32.exeregsvr32.exe

pid process

2984 19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
3540 regsvr32.exe
668 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

Drops Chrome extension 5 IoCs

Processes:

19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe

description	ioc	process
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\iodejjdnkchjcanlpklpnjfcnpbhomld\2.0\manifest.json	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\iodejjdnkchjcanlpklpnjfcnpbhomld\2.0\manifest.json	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\iodejjdnkchjcanlpklpnjfcnpbhomld\2.0\manifest.json	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\iodejjdnkchjcanlpklpnjfcnpbhomld\2.0\manifest.json	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\iodejjdnkchjcanlpklpnjfcnpbhomld\2.0\manifest.json	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.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.exe19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4ef877a7-1ef5-4c31-b643-c5708036650b}\ = "GoSaVe"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4ef877a7-1ef5-4c31-b643-c5708036650b}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4ef877a7-1ef5-4c31-b643-c5708036650b}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4ef877a7-1ef5-4c31-b643-c5708036650b}	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4ef877a7-1ef5-4c31-b643-c5708036650b}\ = "GoSaVe"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4ef877a7-1ef5-4c31-b643-c5708036650b}\NoExplorer = "1"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4ef877a7-1ef5-4c31-b643-c5708036650b}	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{4ef877a7-1ef5-4c31-b643-c5708036650b}	regsvr32.exe

Drops file in System32 directory 4 IoCs

Processes:

19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe

Drops file in Program Files directory 8 IoCs

Processes:

19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.x64.dll	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File created	C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.dll	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File opened for modification	C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.dll	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File created	C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.tlb	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File opened for modification	C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.tlb	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File created	C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.dat	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File opened for modification	C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.dat	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
File created	C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.x64.dll	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{4ef877a7-1ef5-4c31-b643-c5708036650b}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{4ef877a7-1ef5-4c31-b643-c5708036650b}	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{4EF877A7-1EF5-4C31-B643-C5708036650B}	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{4EF877A7-1EF5-4C31-B643-C5708036650B}	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4EF877A7-1EF5-4C31-B643-C5708036650B}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4EF877A7-1EF5-4C31-B643-C5708036650B}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\InprocServer32	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSaVe"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\VersionIndependentProgID\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\InprocServer32\ = "C:\\Program Files (x86)\\GoSaVe\\wpPeQDVtZN5LRm.x64.dll"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\ = "GoSaVe"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\VersionIndependentProgID	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\InprocServer32\ = "C:\\Program Files (x86)\\GoSaVe\\wpPeQDVtZN5LRm.dll"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSaVe\\wpPeQDVtZN5LRm.tlb"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\VersionIndependentProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4EF877A7-1EF5-4C31-B643-C5708036650B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EF877A7-1EF5-4C31-B643-C5708036650B}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\VersionIndependentProgID\	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EF877A7-1EF5-4C31-B643-C5708036650B}\Implemented Categories	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSaVe"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\Programmable	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{4ef877a7-1ef5-4c31-b643-c5708036650b}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\Programmable	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\InprocServer32\ThreadingModel = "Apartment"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSaVe"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe

pid	process
2984	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
2984	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
2984	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
2984	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exeregsvr32.exe

description	pid	process	target process
PID 2984 wrote to memory of 3540	2984	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe	regsvr32.exe
PID 2984 wrote to memory of 3540	2984	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe	regsvr32.exe
PID 2984 wrote to memory of 3540	2984	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe	regsvr32.exe
PID 3540 wrote to memory of 668	3540	regsvr32.exe	regsvr32.exe
PID 3540 wrote to memory of 668	3540	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{4ef877a7-1ef5-4c31-b643-c5708036650b} = "1"	19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe

C:\Users\Admin\AppData\Local\Temp\19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe
"C:\Users\Admin\AppData\Local\Temp\19c37908a06a5d128570c8db6034a9b50e1a85a0fda0d9e775e95a5e508cc77b.exe"
1⤵
- 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:2984

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3540

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:668

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3144

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:724

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.dat
Filesize
5KB

MD5
eda7a58fda1bc3650fcaffc9437c96f5

SHA1
eff1fe2609d5043c5bde3e60eef2740a7c581dc1

SHA256
5caff5a765083cf0fe5234556f391204dcac4d3e6168c610c4430811c96cf440

SHA512
459b22e58cdb382c739dea296c35ee6d66f03ae8cf477fe5da761a8dc0012e547ad69fb216c5de47811a93c5e8206570d29a63650faad85b46a8663aa9ac7164

Download Submit
C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.dll
Filesize
622KB

MD5
18302eec6f8f71f505986c43101e2742

SHA1
c370c11f8722a7e31175862f532fa49dbf5ec7dc

SHA256
9a6a2bcf52012cbb3497838a8db024da0d6a07a30c0f71bd22748b24bbf631d5

SHA512
bb1a3b446ee2b4145c186b53e99ae4297e2e33159f6ae8d64b2d57d326a8f546f82d49f8a772b7dc2016722c7c0f0c00feccab4ca9005865772d9591da0b2227

Download Submit
C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.tlb
Filesize
3KB

MD5
a6a73f1a452ca95398b6dc3fd5e17164

SHA1
c9ac5a4c9f748a7d9511e354b0a7e70756150e16

SHA256
9ee94cc3fe8448ee7f2758a8a4834e220744544954cc4eac820a2392eb8a0692

SHA512
3ad4f49cb336cd559d57003be0b651996069dc1b585501f534f50ba33e2eaa456f0d876e20b77c91d03c17aa5151510535b6aa75e3591dc9188f3910d3de40a5

Download Submit
C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.x64.dll
Filesize
701KB

MD5
e871358a5ec05daf462f0207ac39f057

SHA1
329a89f3f034faef6de160b50661854a851671fa

SHA256
dfcb071f1af3cdef73955a74b91a4c71893d1e251a3c40b53397db6013d5581d

SHA512
9b8da63c4204c8f1846b413ee2b1040270e626bb96a0eac763bdfba5997811c38a608f033e1bdfc1a09fd124c1998c5214e572e74c3580d8f4134b705b8dfc9e

Download Submit
C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.x64.dll
Filesize
701KB

MD5
e871358a5ec05daf462f0207ac39f057

SHA1
329a89f3f034faef6de160b50661854a851671fa

SHA256
dfcb071f1af3cdef73955a74b91a4c71893d1e251a3c40b53397db6013d5581d

SHA512
9b8da63c4204c8f1846b413ee2b1040270e626bb96a0eac763bdfba5997811c38a608f033e1bdfc1a09fd124c1998c5214e572e74c3580d8f4134b705b8dfc9e

Download Submit
C:\Program Files (x86)\GoSaVe\wpPeQDVtZN5LRm.x64.dll
Filesize
701KB

MD5
e871358a5ec05daf462f0207ac39f057

SHA1
329a89f3f034faef6de160b50661854a851671fa

SHA256
dfcb071f1af3cdef73955a74b91a4c71893d1e251a3c40b53397db6013d5581d

SHA512
9b8da63c4204c8f1846b413ee2b1040270e626bb96a0eac763bdfba5997811c38a608f033e1bdfc1a09fd124c1998c5214e572e74c3580d8f4134b705b8dfc9e

Download Submit
memory/668-141-0x0000000000000000-mapping.dmp

Download
memory/2984-132-0x0000000002CF0000-0x0000000002D93000-memory.dmp

Filesize
652KB

Download
memory/3540-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads