ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80

General

Target

ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Size

4.5MB
MD5

ab54790269243228f29f5a1c3ffbab32
SHA1

3198153a49d437e70324b048359f3072c4cb71ac
SHA256

ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80
SHA512

6690205076374b5be754e85c5b77f4c627ea7dbdb79225d68fb67b4c3416f23e0202698ae9f33146e18e2ea94388956cf1ab0c0afdd92b8f49dee74b2a83a4c7
SSDEEP

49152:T4aKqZJkqNejCknaxup4ybgLptOyCzP5jaOCrZguQ4yoC3yE/Ac5mWxnmvh:cOJkPmk1kpthCzP5RWZgdoWNAxens

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\{3b49176a-1361-4889-b5fa-12825fc7d60e}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\ZwX8UKXS6DFEZj.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exeregsvr32.exeregsvr32.exe

pid process

4252 ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
4684 regsvr32.exe
968 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:

ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe

description	ioc	process
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\abpmfoedgkcpgfdkjgmkkodcefelejjm\2.0\manifest.json	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\abpmfoedgkcpgfdkjgmkkodcefelejjm\2.0\manifest.json	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\abpmfoedgkcpgfdkjgmkkodcefelejjm\2.0\manifest.json	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\abpmfoedgkcpgfdkjgmkkodcefelejjm\2.0\manifest.json	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\abpmfoedgkcpgfdkjgmkkodcefelejjm\2.0\manifest.json	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.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.exeef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b49176a-1361-4889-b5fa-12825fc7d60e}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b49176a-1361-4889-b5fa-12825fc7d60e}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b49176a-1361-4889-b5fa-12825fc7d60e}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b49176a-1361-4889-b5fa-12825fc7d60e}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b49176a-1361-4889-b5fa-12825fc7d60e}	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b49176a-1361-4889-b5fa-12825fc7d60e}\ = "GoSave"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b49176a-1361-4889-b5fa-12825fc7d60e}\NoExplorer = "1"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3b49176a-1361-4889-b5fa-12825fc7d60e}	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe

Drops file in System32 directory 4 IoCs

Processes:

ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe

Drops file in Program Files directory 8 IoCs

Processes:

ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.x64.dll	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File created	C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.dll	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File opened for modification	C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.dll	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File created	C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.tlb	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File opened for modification	C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.tlb	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File created	C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.dat	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File opened for modification	C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.dat	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
File created	C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.x64.dll	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exeef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{3b49176a-1361-4889-b5fa-12825fc7d60e}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{3b49176a-1361-4889-b5fa-12825fc7d60e}	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{3B49176A-1361-4889-B5FA-12825FC7D60E}	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{3B49176A-1361-4889-B5FA-12825FC7D60E}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B49176A-1361-4889-B5FA-12825FC7D60E}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\ZwX8UKXS6DFEZj.tlb"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\VersionIndependentProgID\	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\InprocServer32	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\ZwX8UKXS6DFEZj.dll"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\VersionIndependentProgID	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\ZwX8UKXS6DFEZj.x64.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3B49176A-1361-4889-B5FA-12825FC7D60E}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\ProgID	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\VersionIndependentProgID	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\ProgID\ = ".9"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\ProgID	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{3b49176a-1361-4889-b5fa-12825fc7d60e}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\Programmable	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\InprocServer32	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\Programmable	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B49176A-1361-4889-B5FA-12825FC7D60E}\Implemented Categories	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3B49176A-1361-4889-B5FA-12825FC7D60E}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\ = "GoSave"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\ = "GoSave"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e}\VersionIndependentProgID\	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe

pid	process
4252	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
4252	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
4252	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
4252	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
4252	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
4252	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
4252	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
4252	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exeregsvr32.exe

description	pid	process	target process
PID 4252 wrote to memory of 4684	4252	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe	regsvr32.exe
PID 4252 wrote to memory of 4684	4252	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe	regsvr32.exe
PID 4252 wrote to memory of 4684	4252	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe	regsvr32.exe
PID 4684 wrote to memory of 968	4684	regsvr32.exe	regsvr32.exe
PID 4684 wrote to memory of 968	4684	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{3b49176a-1361-4889-b5fa-12825fc7d60e} = "1"	ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe

C:\Users\Admin\AppData\Local\Temp\ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.exe
"C:\Users\Admin\AppData\Local\Temp\ef2e71473f3ac713eaff2940036ede85b20f9c45782f8b83ce6943fd1944da80.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:4252

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4684

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:968

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4872

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4908

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.dat

Filesize
4KB

MD5
d560a81b9ac69c9d945da0c16ffaf0fa

SHA1
e123ac77828115b42348c0ee06a237d1c34052b7

SHA256
1cc07ccd9d8087a4692e8bf7fbb434039f6f763cc78264ad8f7ea43431faf744

SHA512
8a8a72c3dcbd994a1eb123b2abf61e5078d7f92889ba96643c6c3669e93700187ef13e63e987917bfb4b0b3121e6850ba9daaee6fb7d035f96f71468234884ce

Download Submit
C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.dll

Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.tlb

Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\ZwX8UKXS6DFEZj.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/968-141-0x0000000000000000-mapping.dmp

Download
memory/4252-132-0x00000000032A0000-0x0000000003369000-memory.dmp

Filesize
804KB

Download
memory/4684-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads