db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1

General

Target

db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Size

3.8MB
MD5

1c8fe52686fc9f1d5cbd7927df52b3df
SHA1

3c513432778b82712ea940026b2d2e75029dadbe
SHA256

db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1
SHA512

dcbbdca694edefeccfe0ac865fe14ff7785cd7f7202541031249722eb81b455b031b13d2d54c25b48fb119ac08e97b1aa0abaaf81751547656db3dba314ef6c2
SSDEEP

98304:fbwrAvy6VPu2sUVGo6OMfgeab0JUzACZIj5/GLOXKV4XmQaokCx/:MrAacPuzTmzA

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\InprocServer32\ = "C:\\Program Files (x86)\\GoSSaave\\lST67L6hYFNyCc.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exeregsvr32.exeregsvr32.exe

pid process

1260 db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
872 regsvr32.exe
536 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:

db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe

description	ioc	process
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\bmebmpmhhlafchfmmekggbhgicdagfbk\2.0\manifest.json	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\bmebmpmhhlafchfmmekggbhgicdagfbk\2.0\manifest.json	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\bmebmpmhhlafchfmmekggbhgicdagfbk\2.0\manifest.json	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.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:

db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\ = "GoSSaave"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\NoExplorer = "1"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\ = "GoSSaave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe

Drops file in System32 directory 4 IoCs

Processes:

db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe

description	ioc	process
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
File opened for modification	C:\Windows\System32\GroupPolicy	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe

Drops file in Program Files directory 8 IoCs

Processes:

db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.dll	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
File created	C:\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.tlb	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
File opened for modification	C:\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.tlb	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
File created	C:\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.dat	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
File opened for modification	C:\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.dat	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
File created	C:\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.x64.dll	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
File opened for modification	C:\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.x64.dll	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
File created	C:\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.dll	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{E37D4B91-D07A-4CC1-9B16-7656C988DC14}	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\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{E37D4B91-D07A-4CC1-9B16-7656C988DC14}	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe

Modifies registry class 64 IoCs

Processes:

db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\VersionIndependentProgID\	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\VersionIndependentProgID	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E37D4B91-D07A-4CC1-9B16-7656C988DC14}\Implemented Categories	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSSaave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSSaave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSSaave"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\ = "GoSSaave"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\InprocServer32\ThreadingModel = "Apartment"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E37D4B91-D07A-4CC1-9B16-7656C988DC14}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E37D4B91-D07A-4CC1-9B16-7656C988DC14}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{e37d4b91-d07a-4cc1-9b16-7656c988dc14}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\InprocServer32\ = "C:\\Program Files (x86)\\GoSSaave\\lST67L6hYFNyCc.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSSaave"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\ProgID	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSSaave\\lST67L6hYFNyCc.tlb"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{e37d4b91-d07a-4cc1-9b16-7656c988dc14}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\InprocServer32\ = "C:\\Program Files (x86)\\GoSSaave\\lST67L6hYFNyCc.dll"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14}\Programmable	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe

pid	process
1260	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
1260	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exeregsvr32.exe

description	pid	process	target process
PID 1260 wrote to memory of 872	1260	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe	regsvr32.exe
PID 1260 wrote to memory of 872	1260	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe	regsvr32.exe
PID 1260 wrote to memory of 872	1260	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe	regsvr32.exe
PID 1260 wrote to memory of 872	1260	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe	regsvr32.exe
PID 1260 wrote to memory of 872	1260	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe	regsvr32.exe
PID 1260 wrote to memory of 872	1260	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe	regsvr32.exe
PID 1260 wrote to memory of 872	1260	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe	regsvr32.exe
PID 872 wrote to memory of 536	872	regsvr32.exe	regsvr32.exe
PID 872 wrote to memory of 536	872	regsvr32.exe	regsvr32.exe
PID 872 wrote to memory of 536	872	regsvr32.exe	regsvr32.exe
PID 872 wrote to memory of 536	872	regsvr32.exe	regsvr32.exe
PID 872 wrote to memory of 536	872	regsvr32.exe	regsvr32.exe
PID 872 wrote to memory of 536	872	regsvr32.exe	regsvr32.exe
PID 872 wrote to memory of 536	872	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{e37d4b91-d07a-4cc1-9b16-7656c988dc14} = "1"	db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe

C:\Users\Admin\AppData\Local\Temp\db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.exe
"C:\Users\Admin\AppData\Local\Temp\db88410267bfe3f0f8715368b08c9931ba04f99920cd1415ce5badd410f6cdb1.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:1260

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:872

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:536

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

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.dat
Filesize
5KB

MD5
30508c64881b3e482e0c92358cf08122

SHA1
760ba93b3ba5abbfe0dd1fd328c8e4beefe66818

SHA256
e4d00f51b991da066cc4c3a2311b6aa48ba045f44cd6fae9979fec023f29b28c

SHA512
5b8e741e8f7fb75cc4f423b242fc0675a0b5ec2e7ebaa26ad65e257db3d5de40f93c0d90ec62b825a819f64d20e157c7f107d8349a2fab4609cd11b05965e718

Download Submit
C:\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.tlb
Filesize
3KB

MD5
04394c6fd86d2619f9ca279c405ce4fa

SHA1
75c975f51db8219dd89825408f9748ed557a271d

SHA256
c70e8100821466642b0df8f4e5c399ec9d9428f4b4716aef32eb96c1fd5d982b

SHA512
e7fb1ebd90d6570b81d3b3c4c903356bd3f619ed5197c67a10f5a1181f41eeb0f27ad5e2b02398f00da2c21055c29d5a1dc8b9e3a98003219eac8cfd2eaa7ca6

Download Submit
C:\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.x64.dll
Filesize
695KB

MD5
778129815857ac62bb0c123b8b428189

SHA1
df269d9de71cfde97a5f156492aaba450e671287

SHA256
c76feac6ef5e2da002411d7bf90a1bb2ae6ac1eeaa8ba26d83851d54879005eb

SHA512
204feaaa4e592e6d57f54a4bc99bcd8b5b6e214e6936230fbf5dd8608d2c7f1b2fc16495221b1e7f8c5f6a0f19a3e62900a33e7852f86b07479023fc8048d8d7

Download Submit
\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.dll
Filesize
614KB

MD5
c6b13b59b5326dd95e352027a180e42f

SHA1
16e02b4d300896d0384f5deed58a301191be0b8a

SHA256
a732d4f500b4df6cec5852bc4e8c7f8c64857b7c089637aca46643ecdd9f9a9f

SHA512
c24466afe116ce22c14e0e80348eb2f7ec2498a188605afd34cf1e51ad7bb018920dda997c88063f38e12ff4a0e0e627fdc5140b66d890b0c6862f441421bf8e

Download Submit
\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.x64.dll
Filesize
695KB

MD5
778129815857ac62bb0c123b8b428189

SHA1
df269d9de71cfde97a5f156492aaba450e671287

SHA256
c76feac6ef5e2da002411d7bf90a1bb2ae6ac1eeaa8ba26d83851d54879005eb

SHA512
204feaaa4e592e6d57f54a4bc99bcd8b5b6e214e6936230fbf5dd8608d2c7f1b2fc16495221b1e7f8c5f6a0f19a3e62900a33e7852f86b07479023fc8048d8d7

Download Submit
\Program Files (x86)\GoSSaave\lST67L6hYFNyCc.x64.dll
Filesize
695KB

MD5
778129815857ac62bb0c123b8b428189

SHA1
df269d9de71cfde97a5f156492aaba450e671287

SHA256
c76feac6ef5e2da002411d7bf90a1bb2ae6ac1eeaa8ba26d83851d54879005eb

SHA512
204feaaa4e592e6d57f54a4bc99bcd8b5b6e214e6936230fbf5dd8608d2c7f1b2fc16495221b1e7f8c5f6a0f19a3e62900a33e7852f86b07479023fc8048d8d7

Download Submit
memory/536-65-0x0000000000000000-mapping.dmp

Download
memory/536-66-0x000007FEFC2E1000-0x000007FEFC2E3000-memory.dmp

Filesize
8KB

Download
memory/872-61-0x0000000000000000-mapping.dmp

Download
memory/1260-54-0x0000000075C41000-0x0000000075C43000-memory.dmp

Filesize
8KB

Download
memory/1260-55-0x00000000007D0000-0x0000000000871000-memory.dmp

Filesize
644KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads