57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914

General

Target

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Size

3.9MB
MD5

16b5cff8031d356826c606566fe11913
SHA1

fb4e261f105449f822660015f3bcd5c14ff43357
SHA256

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914
SHA512

674ba5fb54a119c30b3d8ddf888870163217eb1e9224e88fe2aaa2ec4312179466e2d051ce45d8f633f07f1c271f16d7abf0ee3bfa22e9124368fac3a18ec914
SSDEEP

98304:coF+6k/blpeEOsXr2Fj5wN8WUNElTcoHr9nCVJTa8O5fYrsWcTwX/9uPUk+KfIpx:dk/jeALfMXf

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\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32\ = "C:\\Program Files (x86)\\GoSAve\\HrfLf.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exeregsvr32.exeregsvr32.exe

pid process

3544 57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
4304 regsvr32.exe
4424 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:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\fmabjpoejdodnmddmmkjgfjnjhffhbho\2.0\manifest.json	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\fmabjpoejdodnmddmmkjgfjnjhffhbho\2.0\manifest.json	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\fmabjpoejdodnmddmmkjgfjnjhffhbho\2.0\manifest.json	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\fmabjpoejdodnmddmmkjgfjnjhffhbho\2.0\manifest.json	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\fmabjpoejdodnmddmmkjgfjnjhffhbho\2.0\manifest.json	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.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:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exeregsvr32.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\NoExplorer = "1"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\ = "GoSAve"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\ = "GoSAve"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

Drops file in System32 directory 4 IoCs

Processes:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

Drops file in Program Files directory 8 IoCs

Processes:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSAve\HrfLf.dat	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File opened for modification	C:\Program Files (x86)\GoSAve\HrfLf.dat	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File created	C:\Program Files (x86)\GoSAve\HrfLf.x64.dll	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File opened for modification	C:\Program Files (x86)\GoSAve\HrfLf.x64.dll	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File created	C:\Program Files (x86)\GoSAve\HrfLf.dll	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File opened for modification	C:\Program Files (x86)\GoSAve\HrfLf.dll	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File created	C:\Program Files (x86)\GoSAve\HrfLf.tlb	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
File opened for modification	C:\Program Files (x86)\GoSAve\HrfLf.tlb	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

description	ioc	process
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\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE.2.0\CLSID\ = "{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\VersionIndependentProgID\ = "GoSavE"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE\ = "GoSAve"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\Implemented Categories	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\VersionIndependentProgID\ = "GoSavE"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE\CLSID\ = "{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\ = "GoSAve"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\Programmable	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32\ThreadingModel = "Apartment"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE\CLSID\ = "{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\VersionIndependentProgID	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\ProgID\ = "GoSavE.2.0"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\VersionIndependentProgID	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32\ = "C:\\Program Files (x86)\\GoSAve\\HrfLf.x64.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE\CLSID	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSAve\\HrfLf.tlb"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSAve"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE\CurVer\ = "GoSavE.2.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\ProgID\ = "GoSavE.2.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE.2.0	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE\CurVer\ = "GoSavE.2.0"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\ProgID	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

pid	process
3544	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
3544	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
3544	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
3544	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exeregsvr32.exe

description	pid	process	target process
PID 3544 wrote to memory of 4304	3544	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe	regsvr32.exe
PID 3544 wrote to memory of 4304	3544	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe	regsvr32.exe
PID 3544 wrote to memory of 4304	3544	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe	regsvr32.exe
PID 4304 wrote to memory of 4424	4304	regsvr32.exe	regsvr32.exe
PID 4304 wrote to memory of 4424	4304	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D} = "1"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

C:\Users\Admin\AppData\Local\Temp\57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
"C:\Users\Admin\AppData\Local\Temp\57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.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:3544

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSAve\HrfLf.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4304

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSAve\HrfLf.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:4424

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4992

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:2568

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

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Downloads

C:\Program Files (x86)\GoSAve\HrfLf.dat
Filesize
4KB

MD5
076d1463d69aea74094db17a2d110028

SHA1
63a8a84d640db0966cfaa8c5eab493fe8f2a4419

SHA256
186ae1bf26c4892d86f8ce4d1378f65db42269a361df49c51f1bca5ac9a6256c

SHA512
2abcc6b87a79fba2276b9848381a6b2552b29787d0b1dfd62000ece76cf23eb2ac63f828e533ca1c0e202c3df3eae4155278cffb26936d2fd86fc2064f3d00a8

Download Submit
C:\Program Files (x86)\GoSAve\HrfLf.dll
Filesize
612KB

MD5
4e8d65edf539af96ec6861d8445573ae

SHA1
1b4554cd7c108aa09bb3aed009ac8440c0f8bb93

SHA256
f7931fcce1da10bbc25b3aff0b72a6744a7e454d9fc5d83f9c612e142eafee87

SHA512
a0ffd39e17e3e39d12d36bacebd21ac309f09b36e26b786d54e0218d6c41c01a3c3ecfe37aa7c4636f8be3c6821f21a21a3ba327d93fbddcb7adfca591838455

Download Submit
C:\Program Files (x86)\GoSAve\HrfLf.tlb
Filesize
3KB

MD5
123d8e428b231b034495720766d9db44

SHA1
20db932b0f9fb5045ae866259d4c4c2650e519fe

SHA256
e5a0972cb89bbe9ca59f02a11f145178b7cfee9d43cd2e6729b4d4b9c1809d1f

SHA512
79444ea1e1eecf5adaef18c229516bb095898a7ceed229133a6d6e7082ce02c9e40612ca2b3474d8934f47f41077784cf252ca5832faf0b7063d8cb3c31a1afa

Download Submit
C:\Program Files (x86)\GoSAve\HrfLf.x64.dll
Filesize
693KB

MD5
036a783b0d4af93086c9bef9bf1ed7d8

SHA1
58624b183fda19f285365c464914d8c342f693e5

SHA256
1cb50065e24f17a830d511888a1d857556e804ad0ad82d67953b3cbf04a406ec

SHA512
5f25cd28cad3bdd19475d2adfe7385cf177f0177010cd30d2cb03b237f011ae14b993a61466b71fa81613b51664f6b7c4ece954e78d667a17146e9aa38752062

Download Submit
C:\Program Files (x86)\GoSAve\HrfLf.x64.dll
Filesize
693KB

MD5
036a783b0d4af93086c9bef9bf1ed7d8

SHA1
58624b183fda19f285365c464914d8c342f693e5

SHA256
1cb50065e24f17a830d511888a1d857556e804ad0ad82d67953b3cbf04a406ec

SHA512
5f25cd28cad3bdd19475d2adfe7385cf177f0177010cd30d2cb03b237f011ae14b993a61466b71fa81613b51664f6b7c4ece954e78d667a17146e9aa38752062

Download Submit
C:\Program Files (x86)\GoSAve\HrfLf.x64.dll
Filesize
693KB

MD5
036a783b0d4af93086c9bef9bf1ed7d8

SHA1
58624b183fda19f285365c464914d8c342f693e5

SHA256
1cb50065e24f17a830d511888a1d857556e804ad0ad82d67953b3cbf04a406ec

SHA512
5f25cd28cad3bdd19475d2adfe7385cf177f0177010cd30d2cb03b237f011ae14b993a61466b71fa81613b51664f6b7c4ece954e78d667a17146e9aa38752062

Download Submit
memory/3544-132-0x0000000002CB0000-0x0000000002D55000-memory.dmp

Filesize
660KB

Download
memory/4304-138-0x0000000000000000-mapping.dmp

Download
memory/4424-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads