7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf

General

Target

7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Size

4.3MB
MD5

93780e4493e0a1721cdf9f431331db3e
SHA1

f9b09182c6211a42e0688a663f5c150f763de854
SHA256

7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf
SHA512

fa13d51de5b66d93954aae446124d6929949345783f7d16f449d42eeee8967032d8ecf42e212a72395b5a2b0bffe3ac9b43e8fd5e451fb9c3125c8615e62158e
SSDEEP

49152:eCOqIz5U23CZ+6rmxup4BdGKvghxfki1vPXGIjQIjSlM/Zf0weeDNxQb:F25U946LKcpP2iQIj8MNtLNxQ

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\{278105b2-3bec-4193-ba57-62ebb7d108b7}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\lI0qIBcRv1nLM5.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exeregsvr32.exeregsvr32.exe

pid process

1816 7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
268 regsvr32.exe
556 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.exe7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{278105b2-3bec-4193-ba57-62ebb7d108b7}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{278105b2-3bec-4193-ba57-62ebb7d108b7}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{278105b2-3bec-4193-ba57-62ebb7d108b7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{278105b2-3bec-4193-ba57-62ebb7d108b7}	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{278105b2-3bec-4193-ba57-62ebb7d108b7}\ = "GoSave"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{278105b2-3bec-4193-ba57-62ebb7d108b7}\NoExplorer = "1"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{278105b2-3bec-4193-ba57-62ebb7d108b7}	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{278105b2-3bec-4193-ba57-62ebb7d108b7}	regsvr32.exe

Drops file in Program Files directory 8 IoCs

Processes:

7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.x64.dll	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
File created	C:\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.dll	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
File opened for modification	C:\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.dll	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
File created	C:\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.tlb	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
File opened for modification	C:\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.tlb	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
File created	C:\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.dat	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
File opened for modification	C:\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.dat	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
File created	C:\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.x64.dll	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{278105b2-3bec-4193-ba57-62ebb7d108b7}	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{278105B2-3BEC-4193-BA57-62EBB7D108B7}	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{278105B2-3BEC-4193-BA57-62EBB7D108B7}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{278105b2-3bec-4193-ba57-62ebb7d108b7}	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\ProgID	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{278105B2-3BEC-4193-BA57-62EBB7D108B7}\Implemented Categories	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{278105b2-3bec-4193-ba57-62ebb7d108b7}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{278105b2-3bec-4193-ba57-62ebb7d108b7}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105B2-3BEC-4193-BA57-62EBB7D108B7}\Implemented Categories	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\InprocServer32	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105B2-3BEC-4193-BA57-62EBB7D108B7}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\InprocServer32	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\VersionIndependentProgID	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\Programmable	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\ = "GoSave"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7}\ProgID	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{278105b2-3bec-4193-ba57-62ebb7d108b7}"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe

pid	process
1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe

description	pid	process
Token: SeDebugPrivilege	1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Token: SeDebugPrivilege	1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Token: SeDebugPrivilege	1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Token: SeDebugPrivilege	1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Token: SeDebugPrivilege	1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Token: SeDebugPrivilege	1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exeregsvr32.exe

description	pid	process	target process
PID 1816 wrote to memory of 268	1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe	regsvr32.exe
PID 1816 wrote to memory of 268	1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe	regsvr32.exe
PID 1816 wrote to memory of 268	1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe	regsvr32.exe
PID 1816 wrote to memory of 268	1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe	regsvr32.exe
PID 1816 wrote to memory of 268	1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe	regsvr32.exe
PID 1816 wrote to memory of 268	1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe	regsvr32.exe
PID 1816 wrote to memory of 268	1816	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe	regsvr32.exe
PID 268 wrote to memory of 556	268	regsvr32.exe	regsvr32.exe
PID 268 wrote to memory of 556	268	regsvr32.exe	regsvr32.exe
PID 268 wrote to memory of 556	268	regsvr32.exe	regsvr32.exe
PID 268 wrote to memory of 556	268	regsvr32.exe	regsvr32.exe
PID 268 wrote to memory of 556	268	regsvr32.exe	regsvr32.exe
PID 268 wrote to memory of 556	268	regsvr32.exe	regsvr32.exe
PID 268 wrote to memory of 556	268	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{278105b2-3bec-4193-ba57-62ebb7d108b7} = "1"	7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe

C:\Users\Admin\AppData\Local\Temp\7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.exe
"C:\Users\Admin\AppData\Local\Temp\7c9f1b6404c12047c8caf4e75c7b9536a9f5cd9aafc5765e2ee8ad63a79a1faf.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:1816

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:268

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:556

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

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.dat

Filesize
4KB

MD5
7dfecf2ffff6599e9cc807b95638c93b

SHA1
95d9831548ffac20c04dd359e214817218c048c6

SHA256
1736b5c37b95616b1515006f993e138e5aea47d38c49a4563fcd8912281e7de2

SHA512
927884347783dcd9a045f2a858c483a868d8bde5e986aada4ad9de534f06a1feea2df6163400636aa912900773ed5896db5413cc0079af0f0f0af8b430d23485

Download Submit
C:\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.tlb

Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.dll

Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
\Program Files (x86)\GoSave\lI0qIBcRv1nLM5.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/268-61-0x0000000000000000-mapping.dmp

Download
memory/556-65-0x0000000000000000-mapping.dmp

Download
memory/556-66-0x000007FEFBFB1000-0x000007FEFBFB3000-memory.dmp

Filesize
8KB

Download
memory/1816-54-0x0000000075511000-0x0000000075513000-memory.dmp

Filesize
8KB

Download
memory/1816-55-0x0000000002AF0000-0x0000000002BB9000-memory.dmp

Filesize
804KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads