8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543

General

Target

8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Size

4.3MB
MD5

8cb08968a617438f5c744fa6238d2db2
SHA1

dbd71dba2c041bbc8a6304ae7e764297e6b0ee15
SHA256

8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543
SHA512

96a348c0e154d98b19e232dc2d0fa9a67c6645e61656b2c32be66ee05d0dd6e6793b6bbb954b37e2d751a94050160df18a3e7633ae8741b7dbb6c6a8fd7de277
SSDEEP

49152:8yuKYDZ0WnCJ+KLmxup4IdGKvghxfki1+PXGIjQRZ8hpTQdcL:X2Z0toK6KckP2iQRZspsdc

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\uc4Ab2lhBcGJpH.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exeregsvr32.exeregsvr32.exe

pid process

1132 8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
728 regsvr32.exe
3796 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:

8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{309bca69-8073-4e27-9200-357da63f109c}	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{309bca69-8073-4e27-9200-357da63f109c}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{309bca69-8073-4e27-9200-357da63f109c}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{309bca69-8073-4e27-9200-357da63f109c}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{309bca69-8073-4e27-9200-357da63f109c}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{309bca69-8073-4e27-9200-357da63f109c}	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{309bca69-8073-4e27-9200-357da63f109c}\ = "GoSave"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{309bca69-8073-4e27-9200-357da63f109c}\NoExplorer = "1"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe

Drops file in Program Files directory 8 IoCs

Processes:

8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.dat	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
File created	C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.x64.dll	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
File opened for modification	C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.x64.dll	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
File created	C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.dll	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
File opened for modification	C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.dll	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
File created	C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.tlb	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
File opened for modification	C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.tlb	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
File created	C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.dat	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{309BCA69-8073-4E27-9200-357DA63F109C}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{309bca69-8073-4e27-9200-357da63f109c}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{309bca69-8073-4e27-9200-357da63f109c}	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{309BCA69-8073-4E27-9200-357DA63F109C}	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe

Modifies registry class 64 IoCs

Processes:

8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\InprocServer32\ThreadingModel = "Apartment"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\VersionIndependentProgID	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309bca69-8073-4e27-9200-357da63f109c}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{309bca69-8073-4e27-9200-357da63f109c}	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\uc4Ab2lhBcGJpH.x64.dll"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\Programmable	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\ProgID\ = ".9"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\Programmable	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{309BCA69-8073-4E27-9200-357DA63F109C}	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{309bca69-8073-4e27-9200-357da63f109c}"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\VersionIndependentProgID\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\InprocServer32	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309BCA69-8073-4E27-9200-357DA63F109C}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\ = "GoSave"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\ProgID\ = ".9"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\ProgID	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{309bca69-8073-4e27-9200-357da63f109c}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\uc4Ab2lhBcGJpH.tlb"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{309bca69-8073-4e27-9200-357da63f109c}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe

pid	process
1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe

description	pid	process
Token: SeDebugPrivilege	1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Token: SeDebugPrivilege	1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Token: SeDebugPrivilege	1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Token: SeDebugPrivilege	1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Token: SeDebugPrivilege	1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
Token: SeDebugPrivilege	1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exeregsvr32.exe

description	pid	process	target process
PID 1132 wrote to memory of 728	1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe	regsvr32.exe
PID 1132 wrote to memory of 728	1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe	regsvr32.exe
PID 1132 wrote to memory of 728	1132	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe	regsvr32.exe
PID 728 wrote to memory of 3796	728	regsvr32.exe	regsvr32.exe
PID 728 wrote to memory of 3796	728	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{309bca69-8073-4e27-9200-357da63f109c} = "1"	8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe

C:\Users\Admin\AppData\Local\Temp\8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.exe
"C:\Users\Admin\AppData\Local\Temp\8e43fa9d7abfc68b8e5c786bb50b15abf65c2ff5350dba5a492b067b84e05543.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:1132

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:728

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:3796

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

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.dat
Filesize
4KB

MD5
48ea88901ee8596d26eee8b1702bf597

SHA1
4462015c04b03708d6793dd8a502741ce3c26db0

SHA256
3ac63b131effdfa1ed883671473924254a1b1720bf4c261a980654eb6bfcd587

SHA512
cacb1fe2f29592ea33cfc080e2725411313fd768cd83b8fb0f8cfb0a68008cebbf8ca182f81ea22cedf5a484843db7034fa5221d1229a02535ea3606f164d796

Download Submit
C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.dll
Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.tlb
Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\uc4Ab2lhBcGJpH.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/728-138-0x0000000000000000-mapping.dmp

Download
memory/1132-132-0x00000000035E0000-0x00000000036A9000-memory.dmp

Filesize
804KB

Download
memory/3796-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads