cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb

General

Target

cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Size

4.5MB
MD5

da1c7e3e8a609db002aa0511097d844a
SHA1

6e82f8bf59ac7f05849537eccc6d64d056642927
SHA256

cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb
SHA512

8aa45376564e55c75239b67f2c8e08e15930b269e917d5beb47d9fa8780e4c2f57e8b44b99607b29f440399ef355a9f631290a71925b7f34a994802327424b97
SSDEEP

49152:EIaK6pJEqd+Ti0Haxup4k5ppWmD/M2BKQl7Ic7SK7yoC3yE/Ac5mWxnm7B:5OJEf20Jpp1D//7SKuoWNAxenQ

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\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\cGSAUdER0WMM7r.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exeregsvr32.exeregsvr32.exe

pid process

268 cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
1588 regsvr32.exe
924 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:

cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\afmnkoiodmhbeljcmndfdpohmcgbijgl\2.0\manifest.json	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\afmnkoiodmhbeljcmndfdpohmcgbijgl\2.0\manifest.json	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\afmnkoiodmhbeljcmndfdpohmcgbijgl\2.0\manifest.json	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.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:

cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\ = "GoSave"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\NoExplorer = "1"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}	regsvr32.exe

Drops file in System32 directory 4 IoCs

Processes:

cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe

Drops file in Program Files directory 8 IoCs

Processes:

cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSave\cGSAUdER0WMM7r.dat	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
File created	C:\Program Files (x86)\GoSave\cGSAUdER0WMM7r.x64.dll	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
File opened for modification	C:\Program Files (x86)\GoSave\cGSAUdER0WMM7r.x64.dll	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
File created	C:\Program Files (x86)\GoSave\cGSAUdER0WMM7r.dll	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
File opened for modification	C:\Program Files (x86)\GoSave\cGSAUdER0WMM7r.dll	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
File created	C:\Program Files (x86)\GoSave\cGSAUdER0WMM7r.tlb	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
File opened for modification	C:\Program Files (x86)\GoSave\cGSAUdER0WMM7r.tlb	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
File created	C:\Program Files (x86)\GoSave\cGSAUdER0WMM7r.dat	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F9908CFA-BB40-41DA-BB6E-3AA5056F9AC6}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{F9908CFA-BB40-41DA-BB6E-3AA5056F9AC6}	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe

Modifies registry class 64 IoCs

Processes:

cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\Programmable	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\VersionIndependentProgID	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\ProgID	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\cGSAUdER0WMM7r.dll"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\cGSAUdER0WMM7r.x64.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F9908CFA-BB40-41DA-BB6E-3AA5056F9AC6}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\InprocServer32	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9908CFA-BB40-41DA-BB6E-3AA5056F9AC6}\Implemented Categories	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\ProgID\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{F9908CFA-BB40-41DA-BB6E-3AA5056F9AC6}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\Programmable	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\ProgID	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F9908CFA-BB40-41DA-BB6E-3AA5056F9AC6}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6}\ = "GoSave"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe

pid	process
268	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
268	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
268	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
268	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exeregsvr32.exe

description	pid	process	target process
PID 268 wrote to memory of 1588	268	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe	regsvr32.exe
PID 268 wrote to memory of 1588	268	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe	regsvr32.exe
PID 268 wrote to memory of 1588	268	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe	regsvr32.exe
PID 268 wrote to memory of 1588	268	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe	regsvr32.exe
PID 268 wrote to memory of 1588	268	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe	regsvr32.exe
PID 268 wrote to memory of 1588	268	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe	regsvr32.exe
PID 268 wrote to memory of 1588	268	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe	regsvr32.exe
PID 1588 wrote to memory of 924	1588	regsvr32.exe	regsvr32.exe
PID 1588 wrote to memory of 924	1588	regsvr32.exe	regsvr32.exe
PID 1588 wrote to memory of 924	1588	regsvr32.exe	regsvr32.exe
PID 1588 wrote to memory of 924	1588	regsvr32.exe	regsvr32.exe
PID 1588 wrote to memory of 924	1588	regsvr32.exe	regsvr32.exe
PID 1588 wrote to memory of 924	1588	regsvr32.exe	regsvr32.exe
PID 1588 wrote to memory of 924	1588	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

Processes:

cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{f9908cfa-bb40-41da-bb6e-3aa5056f9ac6} = "1"	cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe

C:\Users\Admin\AppData\Local\Temp\cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.exe
"C:\Users\Admin\AppData\Local\Temp\cefdda2936047cb1ee36ebda8cc7ace1a9677768eaa9e4e3e44c207252b3e3cb.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:268

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\cGSAUdER0WMM7r.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1588

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\cGSAUdER0WMM7r.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:924

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSave\cGSAUdER0WMM7r.dat
Filesize
4KB

MD5
4ae1c918ae0a4f56643227b1c061f49c

SHA1
b6a8029b4d591b90b771b0a5cf100b9549f0d43e

SHA256
1c9f1947d8283dfcb93deb5f1e6534f1a76d04cb4cb177bde9d50324b84bce84

SHA512
8b1273f85297256e72fe139e9a22ebd321c7fb0a2b4e0814edfb00fa5fa853f76ffd232060fe869de23c82cc275fa81ee28e907fb8222d81f24571ec194c5d6f

Download Submit
C:\Program Files (x86)\GoSave\cGSAUdER0WMM7r.tlb
Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\cGSAUdER0WMM7r.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
\Program Files (x86)\GoSave\cGSAUdER0WMM7r.dll
Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
\Program Files (x86)\GoSave\cGSAUdER0WMM7r.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
\Program Files (x86)\GoSave\cGSAUdER0WMM7r.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/268-54-0x0000000074ED1000-0x0000000074ED3000-memory.dmp

Filesize
8KB

Download
memory/268-55-0x0000000002A90000-0x0000000002B59000-memory.dmp

Filesize
804KB

Download
memory/924-65-0x0000000000000000-mapping.dmp

Download
memory/924-66-0x000007FEFB691000-0x000007FEFB693000-memory.dmp

Filesize
8KB

Download
memory/1588-61-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads