efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c

Analysis

max time kernel
39s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24/11/2022, 07:44

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General

Target

efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Size

4.2MB
MD5

1db686ff616e8843abde32d4a38f0690
SHA1

8b061ec90bf85a07e23acdd91e02d9596a3c8eeb
SHA256

efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c
SHA512

6595ec9cb83da1a9946b2074e9c23d898de513dbea1c0e8104404433271f0599eeec56ead205bf8ef56bac59bdbe299db47a6e0ed62c9d134b311d6e36dca8c6
SSDEEP

49152:K+emQZokrJqB3jEZxA0wyuunfwZU5Bcumt9Q+G0ytzqslWaNTylQmEbp7YuwhI4:KzmU0BM1uHl7qNTEDElZwS

Score

8^/10

adware discovery persistence spyware stealer

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\TF3rcpruBrpdp3.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

pid	Process
1292	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
1176	regsvr32.exe
588	regsvr32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

Drops Chrome extension 3 IoCs

description	ioc	Process
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\ijblalfnkhndiamleeccifpajjjjgefk\2.0\manifest.json	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ijblalfnkhndiamleeccifpajjjjgefk\2.0\manifest.json	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\ijblalfnkhndiamleeccifpajjjjgefk\2.0\manifest.json	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f2952422-087c-4e47-9a4d-0542e7b10a10}\ = "GoSave"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f2952422-087c-4e47-9a4d-0542e7b10a10}\NoExplorer = "1"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f2952422-087c-4e47-9a4d-0542e7b10a10}	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f2952422-087c-4e47-9a4d-0542e7b10a10}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f2952422-087c-4e47-9a4d-0542e7b10a10}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f2952422-087c-4e47-9a4d-0542e7b10a10}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f2952422-087c-4e47-9a4d-0542e7b10a10}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f2952422-087c-4e47-9a4d-0542e7b10a10}	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GoSave\TF3rcpruBrpdp3.x64.dll	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
File opened for modification	C:\Program Files (x86)\GoSave\TF3rcpruBrpdp3.x64.dll	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
File created	C:\Program Files (x86)\GoSave\TF3rcpruBrpdp3.dll	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
File opened for modification	C:\Program Files (x86)\GoSave\TF3rcpruBrpdp3.dll	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
File created	C:\Program Files (x86)\GoSave\TF3rcpruBrpdp3.tlb	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
File opened for modification	C:\Program Files (x86)\GoSave\TF3rcpruBrpdp3.tlb	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
File created	C:\Program Files (x86)\GoSave\TF3rcpruBrpdp3.dat	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
File opened for modification	C:\Program Files (x86)\GoSave\TF3rcpruBrpdp3.dat	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{f2952422-087c-4e47-9a4d-0542e7b10a10}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{f2952422-087c-4e47-9a4d-0542e7b10a10}	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F2952422-087C-4E47-9A4D-0542E7B10A10}	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F2952422-087C-4E47-9A4D-0542E7B10A10}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\VersionIndependentProgID	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{f2952422-087c-4e47-9a4d-0542e7b10a10}"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\TF3rcpruBrpdp3.dll"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\ProgID\ = ".9"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\TF3rcpruBrpdp3.tlb"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{f2952422-087c-4e47-9a4d-0542e7b10a10}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\ProgID\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\Programmable	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\TF3rcpruBrpdp3.x64.dll"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F2952422-087C-4E47-9A4D-0542E7B10A10}	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F2952422-087C-4E47-9A4D-0542E7B10A10}\Implemented Categories	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\ProgID	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\InprocServer32\ThreadingModel = "Apartment"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\VersionIndependentProgID	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\Programmable	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\InprocServer32	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F2952422-087C-4E47-9A4D-0542E7B10A10}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1292	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
1292	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
1292	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
1292	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1176	1292	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe	27
PID 1292 wrote to memory of 1176	1292	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe	27
PID 1292 wrote to memory of 1176	1292	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe	27
PID 1292 wrote to memory of 1176	1292	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe	27
PID 1292 wrote to memory of 1176	1292	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe	27
PID 1292 wrote to memory of 1176	1292	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe	27
PID 1292 wrote to memory of 1176	1292	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe	27
PID 1176 wrote to memory of 588	1176	regsvr32.exe	28
PID 1176 wrote to memory of 588	1176	regsvr32.exe	28
PID 1176 wrote to memory of 588	1176	regsvr32.exe	28
PID 1176 wrote to memory of 588	1176	regsvr32.exe	28
PID 1176 wrote to memory of 588	1176	regsvr32.exe	28
PID 1176 wrote to memory of 588	1176	regsvr32.exe	28
PID 1176 wrote to memory of 588	1176	regsvr32.exe	28

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{f2952422-087c-4e47-9a4d-0542e7b10a10} = "1"	efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe

C:\Users\Admin\AppData\Local\Temp\efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe
"C:\Users\Admin\AppData\Local\Temp\efabd1f30000ab6ec70de2019c779ace82363e50c64bccd60ae7f4430281e28c.exe"
1⤵
- Loads dropped DLL
- Drops Chrome extension
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1292
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32.exe /s "C:\Program Files (x86)\GoSave\TF3rcpruBrpdp3.x64.dll"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1176
- - C:\Windows\system32\regsvr32.exe
    /s "C:\Program Files (x86)\GoSave\TF3rcpruBrpdp3.x64.dll"
    3⤵
    - Registers COM server for autorun
    - Loads dropped DLL
    - Installs/modifies Browser Helper Object
    - Modifies Internet Explorer settings
    - Modifies registry class
    PID:588

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSave\TF3rcpruBrpdp3.dat

Filesize
4KB

MD5
db131e67670e729ddb0be5501993073a

SHA1
59091b1c10a25eddca4aa8d9f60a30cb3daf3865

SHA256
d07324d547a4267773822b765d834cc4d406883d283aaec1500e461c68b27003

SHA512
8f1bf751653e4c6920084dfa976fb4d5f78c580fa6c27d023b62d4a1bc25723c99d92b232ca8e17ad6834e74e7f8ec8cdeb6a0555df5d86b9ed773b165cc1fb5

Download Submit
C:\Program Files (x86)\GoSave\TF3rcpruBrpdp3.tlb

Filesize
3KB

MD5
6bdd6ba23e0c129c5b4fa1a141aa21f6

SHA1
beef025f5611f84ce53f24e58435f070f92c064f

SHA256
14f706e58b4e332e1bc9b6fc6c650097db6e0ea91ac7ad0064aba01832ddd990

SHA512
828d9f58efd731252209ea1ed7d092c9e88190b81272fa704c8cb963f5f9d91172610b90e0bce763c0f5207b10d67d0fc4eb31294fd89dde2a260a19d324bc1b

Download Submit
C:\Program Files (x86)\GoSave\TF3rcpruBrpdp3.x64.dll

Filesize
882KB

MD5
0827270a2d7dca4230839de0511d4280

SHA1
264ce2775315b06a37cd51d7152df58e29a11b60

SHA256
6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

SHA512
d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

Download Submit
\Program Files (x86)\GoSave\TF3rcpruBrpdp3.dll

Filesize
750KB

MD5
a1e5276fa264891a2394cfb992fef753

SHA1
3fc9b45acb1feaf1799f70cf93a965221ffe492e

SHA256
7d25cce7e647fbee7c157d7cad8b3a12abb66fa3b992adfede9de78687b69838

SHA512
ded2b69d13d0f6dd0b7f1fb0b6e8dd0ff1e6705ef5ecae284421826b630de43f0fc7c7783c3246c9fe31dedf07e35e3051366abcc666dec7ff6fe06416c62fcd

Download Submit
\Program Files (x86)\GoSave\TF3rcpruBrpdp3.x64.dll

Filesize
882KB

MD5
0827270a2d7dca4230839de0511d4280

SHA1
264ce2775315b06a37cd51d7152df58e29a11b60

SHA256
6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

SHA512
d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

Download Submit
\Program Files (x86)\GoSave\TF3rcpruBrpdp3.x64.dll

Filesize
882KB

MD5
0827270a2d7dca4230839de0511d4280

SHA1
264ce2775315b06a37cd51d7152df58e29a11b60

SHA256
6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

SHA512
d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

Download Submit
memory/588-66-0x000007FEFBA21000-0x000007FEFBA23000-memory.dmp

Filesize
8KB

Download
memory/1292-54-0x00000000759C1000-0x00000000759C3000-memory.dmp

Filesize
8KB

Download
memory/1292-55-0x00000000029D0000-0x0000000002A9A000-memory.dmp

Filesize
808KB

Download