2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4

General

Target

2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Size

4.5MB
MD5

ec313f6381c56c5958760032a48769c4
SHA1

a78a120ef41750f1b4db5e4117f855c2b6a2c8bb
SHA256

2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4
SHA512

31706bf0ff8b9537da77077574fe0d73963a1f00d84058329a09d0d65c382509b0fa2dc2dc490c7083de01a58cf887240ead3308925108f4376d23d9ff0bd1f9
SSDEEP

98304:BoyDpi4TTjfi8QzCvNir97CLabGg4q/zES8HvND4S76fPit/Rfyb9YDXeCOzfdnT:NXUrTbGg4q/z+t74L

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\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\YZTZk0MdD2M7ad.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exeregsvr32.exeregsvr32.exe

pid process

4396 2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
5076 regsvr32.exe
4384 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:

2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe

description	ioc	process
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\efjpdimgjncobfkfefebbkpofampnikn\2.0\manifest.json	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\efjpdimgjncobfkfefebbkpofampnikn\2.0\manifest.json	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\efjpdimgjncobfkfefebbkpofampnikn\2.0\manifest.json	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\efjpdimgjncobfkfefebbkpofampnikn\2.0\manifest.json	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\efjpdimgjncobfkfefebbkpofampnikn\2.0\manifest.json	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.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:

2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\ = "GoSave"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\NoExplorer = "1"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe

Drops file in System32 directory 4 IoCs

Processes:

2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File opened for modification	C:\Windows\System32\GroupPolicy	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe

Drops file in Program Files directory 8 IoCs

Processes:

2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.dll	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File created	C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.tlb	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File opened for modification	C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.tlb	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File created	C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.dat	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File opened for modification	C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.dat	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File created	C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.x64.dll	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File opened for modification	C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.x64.dll	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
File created	C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.dll	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{28E8763C-B6AE-4EE1-B77F-69849D8D9831}	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{28E8763C-B6AE-4EE1-B77F-69849D8D9831}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe

Modifies registry class 64 IoCs

Processes:

regsvr32.exe2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\VersionIndependentProgID	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\VersionIndependentProgID\	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{28e8763c-b6ae-4ee1-b77f-69849d8d9831}"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\ProgID\ = ".9"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\InprocServer32	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28E8763C-B6AE-4EE1-B77F-69849D8D9831}	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\ = "GoSave"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\ProgID	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\InprocServer32\ThreadingModel = "Apartment"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\VersionIndependentProgID	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{28e8763c-b6ae-4ee1-b77f-69849d8d9831}"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{28e8763c-b6ae-4ee1-b77f-69849d8d9831}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\YZTZk0MdD2M7ad.dll"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\YZTZk0MdD2M7ad.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\ = "GoSave"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28E8763C-B6AE-4EE1-B77F-69849D8D9831}\Implemented Categories	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\InprocServer32	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831}\ProgID\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe

pid	process
4396	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
4396	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
4396	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
4396	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exeregsvr32.exe

description	pid	process	target process
PID 4396 wrote to memory of 5076	4396	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe	regsvr32.exe
PID 4396 wrote to memory of 5076	4396	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe	regsvr32.exe
PID 4396 wrote to memory of 5076	4396	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe	regsvr32.exe
PID 5076 wrote to memory of 4384	5076	regsvr32.exe	regsvr32.exe
PID 5076 wrote to memory of 4384	5076	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{28e8763c-b6ae-4ee1-b77f-69849d8d9831} = "1"	2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe

C:\Users\Admin\AppData\Local\Temp\2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.exe
"C:\Users\Admin\AppData\Local\Temp\2d922b499bb7a3fa25511796adbbd6850a679d3ba5639f77d20ad78cffb75fd4.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:4396

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:5076

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:4384

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:3552

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:3752

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\YZTZk0MdD2M7ad.dat
Filesize
4KB

MD5
ddb8d340f6bbcaee23c29321f556b1fb

SHA1
3d4b90815381708fad0a0ef72f5e9f9893f9871e

SHA256
f363dfb651920177c7e4c6e5b85ad79d56f9ad9236c74ef900f0faf10a1d284b

SHA512
9cd7ba7fbc38f756f9746cee2b5b72c35b0f9c140a6e56a4935d7dd7c384546a5ebcbb3c96d67100f89896c59770d3114d99ce17ca81fb64eafd123d22053dbb

Download Submit
C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.dll
Filesize
622KB

MD5
76deb7dec4a615399ba9a1262e674bb3

SHA1
e7ff08fdae617738fd2517f4056ef1075fa9a336

SHA256
2faa672dee58c448d2dbe85c9a785b4791047964b297697847f3711f9c1a90d6

SHA512
6e51859656add39b720ff7ea44f7b16b73f80d73740897e198a657d6ce88a1615ea1405920a5f8dba6c3f0c130ae26e95d9de83171bed9781184cf5a0a101a09

Download Submit
C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.tlb
Filesize
3KB

MD5
7602225625cdd47f748f0656ea2bbfde

SHA1
686147caee96271092cd882c341fa3a37a5ebc70

SHA256
7191c986561d571c37d74ede50fc158c7cb037e9d50aa7056eb65ae264e63465

SHA512
5dda72246676c852cfd83fe71a9f08a1388714fd39e7d618b75dfb2de848b2104c2040e544cc8ad4db0055960b0dfb8dd333b2d279784414955ee2aafc4a0bc5

Download Submit
C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.x64.dll
Filesize
701KB

MD5
90c1f871f4890f39667e7b149f297b2b

SHA1
e99fe2ffb087bf78272d0d5fe4f5501f42504c05

SHA256
e8a6bfc67352fa598e9ee363bd099b3d51191dc6bd536dbb096ed43986edec46

SHA512
fc3230c5f406313d89c36d5119f2db178ca2cf3d209c26df80571b084fe156d4e9c69f71a5ff7183d0fddfc2a42b3af9b97c6803f312598bc3a90b4d89868d44

Download Submit
C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.x64.dll
Filesize
701KB

MD5
90c1f871f4890f39667e7b149f297b2b

SHA1
e99fe2ffb087bf78272d0d5fe4f5501f42504c05

SHA256
e8a6bfc67352fa598e9ee363bd099b3d51191dc6bd536dbb096ed43986edec46

SHA512
fc3230c5f406313d89c36d5119f2db178ca2cf3d209c26df80571b084fe156d4e9c69f71a5ff7183d0fddfc2a42b3af9b97c6803f312598bc3a90b4d89868d44

Download Submit
C:\Program Files (x86)\GoSave\YZTZk0MdD2M7ad.x64.dll
Filesize
701KB

MD5
90c1f871f4890f39667e7b149f297b2b

SHA1
e99fe2ffb087bf78272d0d5fe4f5501f42504c05

SHA256
e8a6bfc67352fa598e9ee363bd099b3d51191dc6bd536dbb096ed43986edec46

SHA512
fc3230c5f406313d89c36d5119f2db178ca2cf3d209c26df80571b084fe156d4e9c69f71a5ff7183d0fddfc2a42b3af9b97c6803f312598bc3a90b4d89868d44

Download Submit
memory/4384-141-0x0000000000000000-mapping.dmp

Download
memory/4396-132-0x0000000003880000-0x0000000003927000-memory.dmp

Filesize
668KB

Download
memory/5076-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads