75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496

General

Target

75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Size

3.7MB
MD5

6c944c93d1d7f2e8cf820c82e86a542a
SHA1

f274ef9f33ed583a43b1d9ccfd38438a73104753
SHA256

75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496
SHA512

6045a1ed06516099cfdc4965c9216eecf4eddf1622955d03a905ca547752fc1469c48b1638115697196647f0df15a112c08bb3de1ad6888b0050382b9d0eb0a4
SSDEEP

49152:mp2QT1ICPaRXjpcqLPcmusZhilpNvkbA0b+wTV9BXZ9Xjrixvr3eUPPUBk44NDMR:8HijKqLPRusZITvkbA0RfBrXPWvr3LI

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\{5b876291-843d-4919-ba24-aea1dde837c3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\InprocServer32\ = "C:\\Program Files (x86)\\GaoSave\\yHPCSY6XRS39s4.x64.dll"	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exeregsvr32.exeregsvr32.exe

pid process

3464 75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
2616 regsvr32.exe
1028 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

pid	process
3464	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
2616	regsvr32.exe
1028	regsvr32.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:

regsvr32.exe75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5b876291-843d-4919-ba24-aea1dde837c3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5b876291-843d-4919-ba24-aea1dde837c3}\ = "GaoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5b876291-843d-4919-ba24-aea1dde837c3}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5b876291-843d-4919-ba24-aea1dde837c3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5b876291-843d-4919-ba24-aea1dde837c3}	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5b876291-843d-4919-ba24-aea1dde837c3}\ = "GaoSave"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5b876291-843d-4919-ba24-aea1dde837c3}\NoExplorer = "1"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5b876291-843d-4919-ba24-aea1dde837c3}	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe

Drops file in Program Files directory 8 IoCs

Processes:

75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe

description	ioc	process
File created	C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.tlb	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
File opened for modification	C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.tlb	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
File created	C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.dat	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
File opened for modification	C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.dat	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
File created	C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.x64.dll	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
File opened for modification	C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.x64.dll	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
File created	C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.dll	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
File opened for modification	C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.dll	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exe75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe

description	ioc	process
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\{5b876291-843d-4919-ba24-aea1dde837c3}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{5b876291-843d-4919-ba24-aea1dde837c3}	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{5B876291-843D-4919-BA24-AEA1DDE837C3}	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{5B876291-843D-4919-BA24-AEA1DDE837C3}	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

regsvr32.exe75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\ProgID\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\InprocServer32\ = "C:\\Program Files (x86)\\GaoSave\\yHPCSY6XRS39s4.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{5b876291-843d-4919-ba24-aea1dde837c3}"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\Programmable	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{5b876291-843d-4919-ba24-aea1dde837c3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\ = "GaoSave"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5B876291-843D-4919-BA24-AEA1DDE837C3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{5b876291-843d-4919-ba24-aea1dde837c3}"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GaoSave"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\ProgID	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\InprocServer32	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\VersionIndependentProgID	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{5b876291-843d-4919-ba24-aea1dde837c3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\VersionIndependentProgID\	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GaoSave"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\ProgID	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B876291-843D-4919-BA24-AEA1DDE837C3}\Implemented Categories	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\ProgID\ = ".9"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3}\Programmable	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B876291-843D-4919-BA24-AEA1DDE837C3}	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GaoSave"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exeregsvr32.exe

description	pid	process	target process
PID 3464 wrote to memory of 2616	3464	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe	regsvr32.exe
PID 3464 wrote to memory of 2616	3464	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe	regsvr32.exe
PID 3464 wrote to memory of 2616	3464	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe	regsvr32.exe
PID 2616 wrote to memory of 1028	2616	regsvr32.exe	regsvr32.exe
PID 2616 wrote to memory of 1028	2616	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{5b876291-843d-4919-ba24-aea1dde837c3} = "1"	75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe

C:\Users\Admin\AppData\Local\Temp\75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe
"C:\Users\Admin\AppData\Local\Temp\75c77c95c8da7f48408de1691885988cf1f09b1e32bd000f6738ebe8fc7d2496.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3464

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2616

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:1028

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

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.dat
Filesize
4KB

MD5
d582b8290198324920168e36fb868b75

SHA1
5b4eccd797fb26313fcafec5140fb234573846e7

SHA256
e1124eaedba279bb323b9cfc2bc1872a14082c2d39d780a8322ceff2878987a8

SHA512
794ae3006e4b22952b01df32928b15fd98deec86c92b8934d234e5f5c046f456a309fc460ff233aaa0cf755bd539a3b727c0a183ba19c3c575f7fad1ea607106

Download Submit
C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.dll
Filesize
622KB

MD5
18302eec6f8f71f505986c43101e2742

SHA1
c370c11f8722a7e31175862f532fa49dbf5ec7dc

SHA256
9a6a2bcf52012cbb3497838a8db024da0d6a07a30c0f71bd22748b24bbf631d5

SHA512
bb1a3b446ee2b4145c186b53e99ae4297e2e33159f6ae8d64b2d57d326a8f546f82d49f8a772b7dc2016722c7c0f0c00feccab4ca9005865772d9591da0b2227

Download Submit
C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.tlb
Filesize
3KB

MD5
a6a73f1a452ca95398b6dc3fd5e17164

SHA1
c9ac5a4c9f748a7d9511e354b0a7e70756150e16

SHA256
9ee94cc3fe8448ee7f2758a8a4834e220744544954cc4eac820a2392eb8a0692

SHA512
3ad4f49cb336cd559d57003be0b651996069dc1b585501f534f50ba33e2eaa456f0d876e20b77c91d03c17aa5151510535b6aa75e3591dc9188f3910d3de40a5

Download Submit
C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.x64.dll
Filesize
701KB

MD5
e871358a5ec05daf462f0207ac39f057

SHA1
329a89f3f034faef6de160b50661854a851671fa

SHA256
dfcb071f1af3cdef73955a74b91a4c71893d1e251a3c40b53397db6013d5581d

SHA512
9b8da63c4204c8f1846b413ee2b1040270e626bb96a0eac763bdfba5997811c38a608f033e1bdfc1a09fd124c1998c5214e572e74c3580d8f4134b705b8dfc9e

Download Submit
C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.x64.dll
Filesize
701KB

MD5
e871358a5ec05daf462f0207ac39f057

SHA1
329a89f3f034faef6de160b50661854a851671fa

SHA256
dfcb071f1af3cdef73955a74b91a4c71893d1e251a3c40b53397db6013d5581d

SHA512
9b8da63c4204c8f1846b413ee2b1040270e626bb96a0eac763bdfba5997811c38a608f033e1bdfc1a09fd124c1998c5214e572e74c3580d8f4134b705b8dfc9e

Download Submit
C:\Program Files (x86)\GaoSave\yHPCSY6XRS39s4.x64.dll
Filesize
701KB

MD5
e871358a5ec05daf462f0207ac39f057

SHA1
329a89f3f034faef6de160b50661854a851671fa

SHA256
dfcb071f1af3cdef73955a74b91a4c71893d1e251a3c40b53397db6013d5581d

SHA512
9b8da63c4204c8f1846b413ee2b1040270e626bb96a0eac763bdfba5997811c38a608f033e1bdfc1a09fd124c1998c5214e572e74c3580d8f4134b705b8dfc9e

Download Submit
memory/1028-141-0x0000000000000000-mapping.dmp

Download
memory/2616-138-0x0000000000000000-mapping.dmp

Download
memory/3464-132-0x0000000003040000-0x00000000030E3000-memory.dmp

Filesize
652KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads