257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7

General

Target

257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Size

4.4MB
MD5

9cde72674c18a4d0acd4a563c92411d5
SHA1

16f1dc377f0ac8356ca9d7ac5e580b9d6fe8b182
SHA256

257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7
SHA512

7caf0f709d9072c40dbeab1b02f50928e0b27b05f652806cfbc2a6ecc6e8f65aa56aba25e9fcccfeccd7dfe51792b9b2958f8ab66800aeb69a05e9f44e5f1cec
SSDEEP

49152:/d2KK6T18BkdHxpUxup4LxDydGKvghxfki1w9buOBqFujSlM/Zf0weeDNxwR:XBT13BxanKcGbuOBqFuj8MNtLNxw

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\WFJuBcMrb8buJZ.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exeregsvr32.exeregsvr32.exe

pid process

1336 257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
4912 regsvr32.exe
4212 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:

257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ephpgdpomjepbahegldmjlbhoibnpied\2.0\manifest.json	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\ephpgdpomjepbahegldmjlbhoibnpied\2.0\manifest.json	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\ephpgdpomjepbahegldmjlbhoibnpied\2.0\manifest.json	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\ephpgdpomjepbahegldmjlbhoibnpied\2.0\manifest.json	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\ephpgdpomjepbahegldmjlbhoibnpied\2.0\manifest.json	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.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.exe257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ = "GoSave"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\NoExplorer = "1"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\NoExplorer = "1"	regsvr32.exe

Drops file in System32 directory 4 IoCs

Processes:

257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe

Drops file in Program Files directory 8 IoCs

Processes:

257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.x64.dll	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File opened for modification	C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.x64.dll	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File created	C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.dll	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File opened for modification	C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.dll	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File created	C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.tlb	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File opened for modification	C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.tlb	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File created	C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.dat	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
File opened for modification	C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.dat	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48}	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\Programmable	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\VersionIndependentProgID	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ProgID	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ProgID\ = ".9"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\VersionIndependentProgID\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48}	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48}\Implemented Categories	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\VersionIndependentProgID\	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\InprocServer32\ThreadingModel = "Apartment"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25D2F44C-D2B8-4BBD-96F2-C05B27698E48}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\WFJuBcMrb8buJZ.tlb"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ = "GoSave"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48}\VersionIndependentProgID	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe

pid	process
1336	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
1336	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
1336	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
1336	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
1336	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
1336	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
1336	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
1336	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exeregsvr32.exe

description	pid	process	target process
PID 1336 wrote to memory of 4912	1336	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe	regsvr32.exe
PID 1336 wrote to memory of 4912	1336	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe	regsvr32.exe
PID 1336 wrote to memory of 4912	1336	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe	regsvr32.exe
PID 4912 wrote to memory of 4212	4912	regsvr32.exe	regsvr32.exe
PID 4912 wrote to memory of 4212	4912	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{25d2f44c-d2b8-4bbd-96f2-c05b27698e48} = "1"	257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe

C:\Users\Admin\AppData\Local\Temp\257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.exe
"C:\Users\Admin\AppData\Local\Temp\257eccf1fbb1d83945c20138844d896dc454d604de5f812617b63eda135350e7.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:1336

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4912

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:4212

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:2320

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4344

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Browser Extensions

1

T1176

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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.dat
Filesize
4KB

MD5
c920098bf7fcd44be10d8ba31fe07066

SHA1
98a831a32d44dd534bb7a7c272c4d182739a16a8

SHA256
b35d02220f3f6b4bf438977dbb2a72634f497d6715a81441027f4b0de1047aa8

SHA512
39dac89b5229a06d6e30f7e56d9981c65a8217bf67798b4e54e41a3c239a2595d4369d08001e8fabfc24d4e5865014240ef363562bef160a2e1e0922db1ebe45

Download Submit
C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.dll
Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.tlb
Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\WFJuBcMrb8buJZ.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/1336-132-0x0000000002E80000-0x0000000002F49000-memory.dmp

Filesize
804KB

Download
memory/4212-141-0x0000000000000000-mapping.dmp

Download
memory/4912-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads