aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03

General

Target

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Size

2.9MB
MD5

b1e4e7e6fdf755e525bcc29d46edc537
SHA1

0e4558febf1d9a0fa74a0c2688ef630180fb6cb5
SHA256

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03
SHA512

40e8b50a9e27a310ad29c7807bbee81c00c16fb5f45354752f08577589f194b01dbb83dd9463d7a57c21011c1fc365e65ca1830617afb36f3b4d7ac1836696f3
SSDEEP

49152:RfVNoP6jVxnK8EdiH9TLgpdRafWMC0GiOdkLQGdbcDBy0iUU:R3KbdytFfcdqoV/

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\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\InprocServer32\ = "C:\\Program Files (x86)\\GoSaave\\rc5dF2qcSBgrw3.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exeregsvr32.exeregsvr32.exe

pid process

4216 aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
1028 regsvr32.exe
1420 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 5 IoCs

Processes:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

description	ioc	process
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\flnjpdeaighhebebnbgoklmppcidciak\2.0\manifest.json	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\flnjpdeaighhebebnbgoklmppcidciak\2.0\manifest.json	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\flnjpdeaighhebebnbgoklmppcidciak\2.0\manifest.json	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\flnjpdeaighhebebnbgoklmppcidciak\2.0\manifest.json	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\flnjpdeaighhebebnbgoklmppcidciak\2.0\manifest.json	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.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:

regsvr32.exeaa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\ = "GoSaave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\ = "GoSaave"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\NoExplorer = "1"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

Drops file in System32 directory 4 IoCs

Processes:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

Drops file in Program Files directory 8 IoCs

Processes:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.tlb	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File created	C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.dat	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File opened for modification	C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.dat	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File created	C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.x64.dll	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File opened for modification	C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.x64.dll	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File created	C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.dll	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File opened for modification	C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.dll	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
File created	C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.tlb	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exeaa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{271971C1-0D41-4A7C-82D0-2E2C3EBB9D8B}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{271971C1-0D41-4A7C-82D0-2E2C3EBB9D8B}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key deleted	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

Modifies registry class 64 IoCs

Processes:

regsvr32.exeaa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\VersionIndependentProgID	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{271971C1-0D41-4A7C-82D0-2E2C3EBB9D8B}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\ = "GoSaave"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971C1-0D41-4A7C-82D0-2E2C3EBB9D8B}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\ProgID\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSaave"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSaave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\VersionIndependentProgID\	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971C1-0D41-4A7C-82D0-2E2C3EBB9D8B}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSaave"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\ProgID\ = ".9"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\InprocServer32\ThreadingModel = "Apartment"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSaave"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\VersionIndependentProgID\	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSaave\\rc5dF2qcSBgrw3.tlb"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\InprocServer32\ = "C:\\Program Files (x86)\\GoSaave\\rc5dF2qcSBgrw3.dll"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\VersionIndependentProgID	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\ProgID	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\Programmable	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

pid	process
4216	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
4216	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
4216	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
4216	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exeregsvr32.exe

description	pid	process	target process
PID 4216 wrote to memory of 1028	4216	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe	regsvr32.exe
PID 4216 wrote to memory of 1028	4216	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe	regsvr32.exe
PID 4216 wrote to memory of 1028	4216	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe	regsvr32.exe
PID 1028 wrote to memory of 1420	1028	regsvr32.exe	regsvr32.exe
PID 1028 wrote to memory of 1420	1028	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b} = "1"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

C:\Users\Admin\AppData\Local\Temp\aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
"C:\Users\Admin\AppData\Local\Temp\aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.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:4216

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1028

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:1420

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:5044

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4936

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

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.dat
Filesize
4KB

MD5
ab7bf362cd61f9edc80c47054961df20

SHA1
9577c7d07dfba09298ed590b1f5aeccb23cf03cf

SHA256
7c10b574c1b8510a4534abcbbcdc5526e9062547640a69b99e92dd3aa548d532

SHA512
8a61417c85e2fbf19e5b92e200f5a00af4e35a7ad34fe77fd1dc4cc9e2b39c87b8d9187d5675b3fb8448e7cba03ffa65c3631f701781b9b8a7b915511772dc36

Download Submit
C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.dll
Filesize
608KB

MD5
0355269639d03f0c96b5c995a7fba557

SHA1
cf31506688e2c1f6bde3ea2046b39fb3cd45b1d6

SHA256
0e85dc783dd8d135e42e416497a6d85064af196fc4bdd208412c7d64ee5b5db6

SHA512
1121d570556897ed2585ad21101077cf52c4a9fad69abae2842ef28d12ca8ddbebce9978cff083b891bcc0ea36042ea87939b0d2632530cb4973186157741038

Download Submit
C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.tlb
Filesize
3KB

MD5
ea16e050c57b164fa84e8b82443a3439

SHA1
2b01b56bdb8a5986cd02cb510cac1a3918d11db9

SHA256
295f4a7b9258487bd55889369a50d086e861b5889dc3cf8be0302ad000d12eff

SHA512
29227cb3678e31072770d85910bc63584a3b291a6733cbb7d71e9ed86b8b2dff8bb4c74b126477af622a63dde3e7b30ee84ade54eff583711f1166e5c3ae568a

Download Submit
C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.x64.dll
Filesize
688KB

MD5
77bc36cf62b98793a117eb936dc55624

SHA1
9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

SHA256
cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

SHA512
472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

Download Submit
C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.x64.dll
Filesize
688KB

MD5
77bc36cf62b98793a117eb936dc55624

SHA1
9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

SHA256
cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

SHA512
472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

Download Submit
C:\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.x64.dll
Filesize
688KB

MD5
77bc36cf62b98793a117eb936dc55624

SHA1
9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

SHA256
cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

SHA512
472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

Download Submit
memory/1028-138-0x0000000000000000-mapping.dmp

Download
memory/1420-141-0x0000000000000000-mapping.dmp

Download
memory/4216-132-0x0000000000400000-0x00000000004A7000-memory.dmp

Filesize
668KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads