eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b

General

Target

eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Size

4.4MB
MD5

680be8e7a055aadd4749ecf9ed2f6462
SHA1

888c2bc2b7c23555631f8283ef6577b6e8d4d9ca
SHA256

eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b
SHA512

5488b2fda89191f79be07d0c76d5436c01c83e99507197fb156d58bad1a452a5d7971384b1e5e11141437b114e44b78f970ad7e57fdd3502641ac813a61e1a72
SSDEEP

49152:yu2K6lZs3xgKchpUxup4DV3XOjKzuFYdk29buOBqFtZ8hpTQdWB:pSZsqth4OjK9kibuOBqFtZspsdW

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

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\1dWty1OU7AzsO0.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exeregsvr32.exeregsvr32.exe

pid process

2028 eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
1760 regsvr32.exe
852 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

Processes:

eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\ebnfppjjfffjfpeompnimekmklfcaamg\2.0\manifest.json	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\ebnfppjjfffjfpeompnimekmklfcaamg\2.0\manifest.json	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\ebnfppjjfffjfpeompnimekmklfcaamg\2.0\manifest.json	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.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:

eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{b4b11b90-4f06-4e50-b035-ff8200a818a9}	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{b4b11b90-4f06-4e50-b035-ff8200a818a9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{b4b11b90-4f06-4e50-b035-ff8200a818a9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{b4b11b90-4f06-4e50-b035-ff8200a818a9}	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\ = "GoSave"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\NoExplorer = "1"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe

Drops file in System32 directory 4 IoCs

Processes:

eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
File opened for modification	C:\Windows\System32\GroupPolicy	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe

Drops file in Program Files directory 8 IoCs

Processes:

eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSave\1dWty1OU7AzsO0.dat	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
File opened for modification	C:\Program Files (x86)\GoSave\1dWty1OU7AzsO0.dat	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
File created	C:\Program Files (x86)\GoSave\1dWty1OU7AzsO0.x64.dll	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
File opened for modification	C:\Program Files (x86)\GoSave\1dWty1OU7AzsO0.x64.dll	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
File created	C:\Program Files (x86)\GoSave\1dWty1OU7AzsO0.dll	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
File opened for modification	C:\Program Files (x86)\GoSave\1dWty1OU7AzsO0.dll	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
File created	C:\Program Files (x86)\GoSave\1dWty1OU7AzsO0.tlb	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
File opened for modification	C:\Program Files (x86)\GoSave\1dWty1OU7AzsO0.tlb	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{B4B11B90-4F06-4E50-B035-FF8200A818A9}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{b4b11b90-4f06-4e50-b035-ff8200a818a9}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{b4b11b90-4f06-4e50-b035-ff8200a818a9}	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{B4B11B90-4F06-4E50-B035-FF8200A818A9}	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe

Modifies registry class 64 IoCs

Processes:

eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\InprocServer32\ThreadingModel = "Apartment"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\VersionIndependentProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4B11B90-4F06-4E50-B035-FF8200A818A9}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4B11B90-4F06-4E50-B035-FF8200A818A9}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\VersionIndependentProgID	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{b4b11b90-4f06-4e50-b035-ff8200a818a9}"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B4B11B90-4F06-4E50-B035-FF8200A818A9}\Implemented Categories	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\Programmable	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{b4b11b90-4f06-4e50-b035-ff8200a818a9}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\VersionIndependentProgID	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\VersionIndependentProgID\	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\ProgID\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\ProgID	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\InprocServer32	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\InprocServer32	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9}\ProgID	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe

pid	process
2028	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
2028	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
2028	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
2028	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exeregsvr32.exe

description	pid	process	target process
PID 2028 wrote to memory of 1760	2028	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe	regsvr32.exe
PID 2028 wrote to memory of 1760	2028	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe	regsvr32.exe
PID 2028 wrote to memory of 1760	2028	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe	regsvr32.exe
PID 2028 wrote to memory of 1760	2028	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe	regsvr32.exe
PID 2028 wrote to memory of 1760	2028	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe	regsvr32.exe
PID 2028 wrote to memory of 1760	2028	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe	regsvr32.exe
PID 2028 wrote to memory of 1760	2028	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe	regsvr32.exe
PID 1760 wrote to memory of 852	1760	regsvr32.exe	regsvr32.exe
PID 1760 wrote to memory of 852	1760	regsvr32.exe	regsvr32.exe
PID 1760 wrote to memory of 852	1760	regsvr32.exe	regsvr32.exe
PID 1760 wrote to memory of 852	1760	regsvr32.exe	regsvr32.exe
PID 1760 wrote to memory of 852	1760	regsvr32.exe	regsvr32.exe
PID 1760 wrote to memory of 852	1760	regsvr32.exe	regsvr32.exe
PID 1760 wrote to memory of 852	1760	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{b4b11b90-4f06-4e50-b035-ff8200a818a9} = "1"	eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe

C:\Users\Admin\AppData\Local\Temp\eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.exe
"C:\Users\Admin\AppData\Local\Temp\eb5044852b3a095c0313fdefc58921796581d96cb78f67e65fbbe03b1f55636b.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:2028

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\1dWty1OU7AzsO0.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1760

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\1dWty1OU7AzsO0.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:852

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSave\1dWty1OU7AzsO0.dat
Filesize
4KB

MD5
ed5a9830becce79e496a0231a44398e0

SHA1
f37966b880f0b0130decf2c94f424e1a9b2b2e9f

SHA256
ab21db79c10b5d27df526c47c75fd02ad77eb4c6785cfa77d6a9793db20a198a

SHA512
42ddd793914984f507de8f83e3b10f7ccb772842e71497763ef39b01d11be384d7bf6939b78a236a10c7f42c4ffc9e5c759a7cca6b80b83d2d8f692e0ef6c877

Download Submit
C:\Program Files (x86)\GoSave\1dWty1OU7AzsO0.tlb
Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\1dWty1OU7AzsO0.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
\Program Files (x86)\GoSave\1dWty1OU7AzsO0.dll
Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
\Program Files (x86)\GoSave\1dWty1OU7AzsO0.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
\Program Files (x86)\GoSave\1dWty1OU7AzsO0.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/852-65-0x0000000000000000-mapping.dmp

Download
memory/852-66-0x000007FEFB931000-0x000007FEFB933000-memory.dmp

Filesize
8KB

Download
memory/1760-61-0x0000000000000000-mapping.dmp

Download
memory/2028-54-0x0000000075811000-0x0000000075813000-memory.dmp

Filesize
8KB

Download
memory/2028-55-0x0000000002AF0000-0x0000000002BB9000-memory.dmp

Filesize
804KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads