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 deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\InprocServer32	regsvr32.exe
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

Loads dropped DLL 3 IoCs

Processes:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exeregsvr32.exeregsvr32.exe

pid process

1520 aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
432 regsvr32.exe
1892 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:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

description	ioc	process
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\Guest\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:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exeregsvr32.exe

description	ioc	process
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
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

Drops file in System32 directory 4 IoCs

Processes:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

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

Drops file in Program Files directory 8 IoCs

Processes:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

description	ioc	process
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
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

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{271971C1-0D41-4A7C-82D0-2E2C3EBB9D8B}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key deleted	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key deleted	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{271971C1-0D41-4A7C-82D0-2E2C3EBB9D8B}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

Modifies registry class 64 IoCs

Processes:

regsvr32.exeaa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{271971C1-0D41-4A7C-82D0-2E2C3EBB9D8B}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	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\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\ProgID	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSaave"	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\Wow6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\InprocServer32	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\InprocServer32	regsvr32.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\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\ProgID\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971C1-0D41-4A7C-82D0-2E2C3EBB9D8B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}"	regsvr32.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}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\ = "GoSaave"	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\Wow6432Node\CLSID\{271971C1-0D41-4A7C-82D0-2E2C3EBB9D8B}\Implemented Categories	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}"	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\Wow6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\VersionIndependentProgID\	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{271971C1-0D41-4A7C-82D0-2E2C3EBB9D8B}	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	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\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	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\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\VersionIndependentProgID\	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\ProgID\ = ".9"	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{271971c1-0d41-4a7c-82d0-2e2c3ebb9d8b}\ProgID	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

pid	process
1520	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe
1520	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exeregsvr32.exe

description	pid	process	target process
PID 1520 wrote to memory of 432	1520	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe	regsvr32.exe
PID 1520 wrote to memory of 432	1520	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe	regsvr32.exe
PID 1520 wrote to memory of 432	1520	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe	regsvr32.exe
PID 1520 wrote to memory of 432	1520	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe	regsvr32.exe
PID 1520 wrote to memory of 432	1520	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe	regsvr32.exe
PID 1520 wrote to memory of 432	1520	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe	regsvr32.exe
PID 1520 wrote to memory of 432	1520	aa07c5ff5180d16e12ded6b5466471b703c1ee5cdeb984b4e81accec7c89ae03.exe	regsvr32.exe
PID 432 wrote to memory of 1892	432	regsvr32.exe	regsvr32.exe
PID 432 wrote to memory of 1892	432	regsvr32.exe	regsvr32.exe
PID 432 wrote to memory of 1892	432	regsvr32.exe	regsvr32.exe
PID 432 wrote to memory of 1892	432	regsvr32.exe	regsvr32.exe
PID 432 wrote to memory of 1892	432	regsvr32.exe	regsvr32.exe
PID 432 wrote to memory of 1892	432	regsvr32.exe	regsvr32.exe
PID 432 wrote to memory of 1892	432	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	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:1520

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:432

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:1892

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)\GoSaave\rc5dF2qcSBgrw3.dat
Filesize
4KB

MD5
ab7bf362cd61f9edc80c47054961df20

SHA1
9577c7d07dfba09298ed590b1f5aeccb23cf03cf

SHA256
7c10b574c1b8510a4534abcbbcdc5526e9062547640a69b99e92dd3aa548d532

SHA512
8a61417c85e2fbf19e5b92e200f5a00af4e35a7ad34fe77fd1dc4cc9e2b39c87b8d9187d5675b3fb8448e7cba03ffa65c3631f701781b9b8a7b915511772dc36

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
\Program Files (x86)\GoSaave\rc5dF2qcSBgrw3.dll
Filesize
608KB

MD5
0355269639d03f0c96b5c995a7fba557

SHA1
cf31506688e2c1f6bde3ea2046b39fb3cd45b1d6

SHA256
0e85dc783dd8d135e42e416497a6d85064af196fc4bdd208412c7d64ee5b5db6

SHA512
1121d570556897ed2585ad21101077cf52c4a9fad69abae2842ef28d12ca8ddbebce9978cff083b891bcc0ea36042ea87939b0d2632530cb4973186157741038

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

MD5
77bc36cf62b98793a117eb936dc55624

SHA1
9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

SHA256
cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

SHA512
472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

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

MD5
77bc36cf62b98793a117eb936dc55624

SHA1
9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

SHA256
cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

SHA512
472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

Download Submit
memory/432-80-0x0000000000000000-mapping.dmp

Download
memory/1520-68-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-66-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-70-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-76-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-77-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-78-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-74-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-73-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-75-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-72-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-71-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-69-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-65-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-63-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-54-0x0000000075001000-0x0000000075003000-memory.dmp

Filesize
8KB

Download
memory/1520-67-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-64-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-62-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-55-0x00000000007C0000-0x0000000000867000-memory.dmp

Filesize
668KB

Download
memory/1520-60-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1520-61-0x0000000000892000-0x0000000000896000-memory.dmp

Filesize
16KB

Download
memory/1892-85-0x000007FEFB531000-0x000007FEFB533000-memory.dmp

Filesize
8KB

Download
memory/1892-84-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads