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

2028 57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
1040 regsvr32.exe
1880 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 3 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\Guest\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 (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\ = "GoSAve"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
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

Drops file in System32 directory 4 IoCs

Processes:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

description	ioc	process
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
File opened for modification	C:\Windows\System32\GroupPolicy	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

Drops file in Program Files directory 8 IoCs

Processes:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

description	ioc	process
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
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

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

Modifies registry class 64 IoCs

Processes:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\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.2.0\CLSID\ = "{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32\ThreadingModel = "Apartment"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	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\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.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\Wow6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\ProgID\ = "GoSavE.2.0"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE.2.0	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE\CLSID\ = "{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}	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\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	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\Wow6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\VersionIndependentProgID\ = "GoSavE"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\ProgID	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE\CurVer\ = "GoSavE.2.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\ = "GoSAve"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\ProgID\ = "GoSavE.2.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32\ = "C:\\Program Files (x86)\\GoSAve\\HrfLf.dll"	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}\ProxyStubClsid32	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE\ = "GoSAve"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\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}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE.2.0\CLSID	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE\CurVer	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\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{8DCFE0AA-E9A9-8D73-1B09-AF525A634C2D}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GoSavE.GoSavE\ = "GoSAve"	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

pid	process
2028	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
2028	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exeregsvr32.exe

description	pid	process	target process
PID 2028 wrote to memory of 1040	2028	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe	regsvr32.exe
PID 2028 wrote to memory of 1040	2028	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe	regsvr32.exe
PID 2028 wrote to memory of 1040	2028	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe	regsvr32.exe
PID 2028 wrote to memory of 1040	2028	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe	regsvr32.exe
PID 2028 wrote to memory of 1040	2028	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe	regsvr32.exe
PID 2028 wrote to memory of 1040	2028	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe	regsvr32.exe
PID 2028 wrote to memory of 1040	2028	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe	regsvr32.exe
PID 1040 wrote to memory of 1880	1040	regsvr32.exe	regsvr32.exe
PID 1040 wrote to memory of 1880	1040	regsvr32.exe	regsvr32.exe
PID 1040 wrote to memory of 1880	1040	regsvr32.exe	regsvr32.exe
PID 1040 wrote to memory of 1880	1040	regsvr32.exe	regsvr32.exe
PID 1040 wrote to memory of 1880	1040	regsvr32.exe	regsvr32.exe
PID 1040 wrote to memory of 1880	1040	regsvr32.exe	regsvr32.exe
PID 1040 wrote to memory of 1880	1040	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	57c80a66bc12f38f18f3464fd952e90002c12d760092d0056b082959b51f1914.exe
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:2028

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:1040

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:1880

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

Replay Monitor

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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.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
\Program Files (x86)\GoSAve\HrfLf.dll

Filesize
612KB

MD5
4e8d65edf539af96ec6861d8445573ae

SHA1
1b4554cd7c108aa09bb3aed009ac8440c0f8bb93

SHA256
f7931fcce1da10bbc25b3aff0b72a6744a7e454d9fc5d83f9c612e142eafee87

SHA512
a0ffd39e17e3e39d12d36bacebd21ac309f09b36e26b786d54e0218d6c41c01a3c3ecfe37aa7c4636f8be3c6821f21a21a3ba327d93fbddcb7adfca591838455

Download Submit
\Program Files (x86)\GoSAve\HrfLf.x64.dll

Filesize
693KB

MD5
036a783b0d4af93086c9bef9bf1ed7d8

SHA1
58624b183fda19f285365c464914d8c342f693e5

SHA256
1cb50065e24f17a830d511888a1d857556e804ad0ad82d67953b3cbf04a406ec

SHA512
5f25cd28cad3bdd19475d2adfe7385cf177f0177010cd30d2cb03b237f011ae14b993a61466b71fa81613b51664f6b7c4ece954e78d667a17146e9aa38752062

Download Submit
\Program Files (x86)\GoSAve\HrfLf.x64.dll

Filesize
693KB

MD5
036a783b0d4af93086c9bef9bf1ed7d8

SHA1
58624b183fda19f285365c464914d8c342f693e5

SHA256
1cb50065e24f17a830d511888a1d857556e804ad0ad82d67953b3cbf04a406ec

SHA512
5f25cd28cad3bdd19475d2adfe7385cf177f0177010cd30d2cb03b237f011ae14b993a61466b71fa81613b51664f6b7c4ece954e78d667a17146e9aa38752062

Download Submit
memory/1040-61-0x0000000000000000-mapping.dmp

Download
memory/1880-65-0x0000000000000000-mapping.dmp

Download
memory/1880-66-0x000007FEFB631000-0x000007FEFB633000-memory.dmp

Filesize
8KB

Download
memory/2028-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/2028-55-0x0000000002850000-0x00000000028F5000-memory.dmp

Filesize
660KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads