f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68

General

Target

f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Size

4.3MB
MD5

42f5aca08df59a85523994dd599d966f
SHA1

f0a2ab26eb793197528a9b2ff390efd041ab6bf8
SHA256

f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68
SHA512

8e14c4347900f4faf73d1760e43992dc3e780f3a87d5b3da20e001d88f4d75d3e566fae801ec0195f4903e424995005fd93197aa625e216c59dc636f863b6f96
SSDEEP

49152:ECOqIz5U23CZ+6rmxup4fdGKvghxfki1jPXGIjQmZ8hpTQdFb:/25U946FKcNP2iQmZspsdF

Score

8^/10

adware discovery persistence stealer

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\A1KZkRDsEYYJdH.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exeregsvr32.exeregsvr32.exe

pid process

1932 f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
1928 regsvr32.exe
228 regsvr32.exe
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

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.exef9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\ = "GoSave"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\NoExplorer = "1"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe

Drops file in Program Files directory 8 IoCs

Processes:

f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.dll	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
File opened for modification	C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.dll	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
File created	C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.tlb	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
File opened for modification	C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.tlb	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
File created	C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.dat	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
File opened for modification	C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.dat	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
File created	C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.x64.dll	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
File opened for modification	C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.x64.dll	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exef9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{84C8A6FD-97D3-4206-8E4B-0B69B0E7817F}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{84C8A6FD-97D3-4206-8E4B-0B69B0E7817F}	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key deleted	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe

Modifies registry class 64 IoCs

Processes:

f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84C8A6FD-97D3-4206-8E4B-0B69B0E7817F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\VersionIndependentProgID\	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\Programmable	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\ = "GoSave"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\VersionIndependentProgID	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\Programmable	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84C8A6FD-97D3-4206-8E4B-0B69B0E7817F}	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84C8A6FD-97D3-4206-8E4B-0B69B0E7817F}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\A1KZkRDsEYYJdH.dll"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84C8A6FD-97D3-4206-8E4B-0B69B0E7817F}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\ProgID	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\VersionIndependentProgID	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\ProgID\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\ProgID\ = ".9"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\InprocServer32	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\InprocServer32\ThreadingModel = "Apartment"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f}	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe

pid	process
1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe

description	pid	process
Token: SeDebugPrivilege	1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Token: SeDebugPrivilege	1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Token: SeDebugPrivilege	1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Token: SeDebugPrivilege	1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Token: SeDebugPrivilege	1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
Token: SeDebugPrivilege	1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exeregsvr32.exe

description	pid	process	target process
PID 1932 wrote to memory of 1928	1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe	regsvr32.exe
PID 1932 wrote to memory of 1928	1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe	regsvr32.exe
PID 1932 wrote to memory of 1928	1932	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe	regsvr32.exe
PID 1928 wrote to memory of 228	1928	regsvr32.exe	regsvr32.exe
PID 1928 wrote to memory of 228	1928	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{84c8a6fd-97d3-4206-8e4b-0b69b0e7817f} = "1"	f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe

C:\Users\Admin\AppData\Local\Temp\f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe
"C:\Users\Admin\AppData\Local\Temp\f9f8141d909b5ba7e0178e95e20ff3977d15bf19e4bc1b8c240ad65e21795b68.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1932

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:228

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

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.dat
Filesize
4KB

MD5
2cd7507135638d3daa90db5dde625249

SHA1
e8d465e3e6bde51c923b6ebe679ae7e0e6955f4c

SHA256
044ffefd1f5fde8171788e61b792f7fbbd00e0f703f58076da5a5eb2ac5a044e

SHA512
bd9387b7daf54bf7dbfb755520b3df9972c3c5618213ff0496780e0b34c6d5ce9a1bf81af4488a4f0ab1f578130f520fb90b588c2c65fecc6f6a8cdf5d12d922

Download Submit
C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.dll
Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.tlb
Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\A1KZkRDsEYYJdH.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/228-141-0x0000000000000000-mapping.dmp

Download
memory/1928-138-0x0000000000000000-mapping.dmp

Download
memory/1932-132-0x0000000003080000-0x0000000003149000-memory.dmp

Filesize
804KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads