f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48

General

Target

f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Size

4.3MB
MD5

c277068ec70fae29146520928c17b8bf
SHA1

690e6d6f12437185a5aacd80ca5460c81ab16179
SHA256

f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48
SHA512

79d926537047dd5ac7465a9b9d6876c63b260ef5a6c1fd8b13898ea84527b4ffd443d8714ec441cd448cac9dc7dfd2fd90b38488c5d3ea60f2ddd0fcb450f586
SSDEEP

49152:GSuK4jZ0WHCpNqLmxup49dGKvghxfki1YCc7SK4jZ8hpTQdrr:t2Z0NvqHKcaz7SK4jZspsdr

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\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\loONJRmZuUBOiL.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exeregsvr32.exeregsvr32.exe

pid process

4376 f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
4904 regsvr32.exe
2732 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:

f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\ = "GoSave"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\NoExplorer = "1"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2a44bc14-843f-47a4-b62f-c241d9b3f474}	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2a44bc14-843f-47a4-b62f-c241d9b3f474}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2a44bc14-843f-47a4-b62f-c241d9b3f474}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{2a44bc14-843f-47a4-b62f-c241d9b3f474}	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe

Drops file in Program Files directory 8 IoCs

Processes:

f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSave\loONJRmZuUBOiL.x64.dll	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
File opened for modification	C:\Program Files (x86)\GoSave\loONJRmZuUBOiL.x64.dll	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
File created	C:\Program Files (x86)\GoSave\loONJRmZuUBOiL.dll	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
File opened for modification	C:\Program Files (x86)\GoSave\loONJRmZuUBOiL.dll	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
File created	C:\Program Files (x86)\GoSave\loONJRmZuUBOiL.tlb	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
File opened for modification	C:\Program Files (x86)\GoSave\loONJRmZuUBOiL.tlb	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
File created	C:\Program Files (x86)\GoSave\loONJRmZuUBOiL.dat	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
File opened for modification	C:\Program Files (x86)\GoSave\loONJRmZuUBOiL.dat	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{2A44BC14-843F-47A4-B62F-C241D9B3F474}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{2a44bc14-843f-47a4-b62f-c241d9b3f474}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{2a44bc14-843f-47a4-b62f-c241d9b3f474}	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{2A44BC14-843F-47A4-B62F-C241D9B3F474}	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe

Modifies registry class 64 IoCs

Processes:

f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\ = "GoSave"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\VersionIndependentProgID	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2A44BC14-843F-47A4-B62F-C241D9B3F474}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\Programmable	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2A44BC14-843F-47A4-B62F-C241D9B3F474}\Implemented Categories	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\VersionIndependentProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\Programmable	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2A44BC14-843F-47A4-B62F-C241D9B3F474}	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\ProgID\ = ".9"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\InprocServer32	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\loONJRmZuUBOiL.tlb"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\ProgID\ = ".9"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{2a44bc14-843f-47a4-b62f-c241d9b3f474}"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\InprocServer32	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\loONJRmZuUBOiL.x64.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}\InprocServer32\ThreadingModel = "Apartment"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{2A44BC14-843F-47A4-B62F-C241D9B3F474}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe

pid	process
4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe

description	pid	process
Token: SeDebugPrivilege	4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Token: SeDebugPrivilege	4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Token: SeDebugPrivilege	4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Token: SeDebugPrivilege	4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Token: SeDebugPrivilege	4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
Token: SeDebugPrivilege	4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exeregsvr32.exe

description	pid	process	target process
PID 4376 wrote to memory of 4904	4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe	regsvr32.exe
PID 4376 wrote to memory of 4904	4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe	regsvr32.exe
PID 4376 wrote to memory of 4904	4376	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe	regsvr32.exe
PID 4904 wrote to memory of 2732	4904	regsvr32.exe	regsvr32.exe
PID 4904 wrote to memory of 2732	4904	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{2a44bc14-843f-47a4-b62f-c241d9b3f474} = "1"	f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe

C:\Users\Admin\AppData\Local\Temp\f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.exe
"C:\Users\Admin\AppData\Local\Temp\f4ac334f7fc1aa1a357d616e4fc0f2417df8e1b414bfc136b551f69e7ae95c48.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:4376

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\loONJRmZuUBOiL.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4904

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\loONJRmZuUBOiL.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:2732

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)\GoSave\loONJRmZuUBOiL.dat

Filesize
4KB

MD5
16e6c26b22a58affa0733318432c4e41

SHA1
06445f657011a9c7a69688feb231fd4a67602e1c

SHA256
eb0b2626f7c1d5fe80e16adab028a4812085652f821e2294c61468c81649d660

SHA512
54d1026ebef9ef46c12120ad480e2382fd347c36e43614dc85942dea894ac17ed32c860ee56733df2197f939d67d1b34dc2e51fa7960f63d5e5a7c28ef45a60e

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

Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

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

Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

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

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

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

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

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

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/2732-141-0x0000000000000000-mapping.dmp

Download
memory/4376-132-0x0000000003030000-0x00000000030F9000-memory.dmp

Filesize
804KB

Download
memory/4904-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads