a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f

General

Target

a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Size

3.7MB
MD5

0f64218fdecc65f988b78f6b48dc05b0
SHA1

0bd956f58d32a49d921a4fcb03f34798c4383c7a
SHA256

a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f
SHA512

d64593deead3c9861b2b91e9bec21f0353c8aa2cbb56864b28710ac9206bc833e710203c9836434c7da31de2d425a48608f4ecc5ab5cbe22fc87e83cab4b585d
SSDEEP

49152:Gv73bJml2C0clFchwqLpvJoaqXzVGHWBbMTYm2x2D0wsz4cRGQPTEXd9XyyCc:CUbQTvSaqXBG2BbHmfD0wsccMpD

Score

8^/10

adware discovery persistence spyware stealer

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\InprocServer32\ = "C:\\Program Files (x86)\\GoSaaave\\CQB8Xoc7H7KkpH.x64.dll"	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exeregsvr32.exeregsvr32.exe

pid process

3060 a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
3368 regsvr32.exe
4484 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:

a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\kmjhdmigpnlbkfnnomgaeempomjicfeh\2.0\manifest.json	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\kmjhdmigpnlbkfnnomgaeempomjicfeh\2.0\manifest.json	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\kmjhdmigpnlbkfnnomgaeempomjicfeh\2.0\manifest.json	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\kmjhdmigpnlbkfnnomgaeempomjicfeh\2.0\manifest.json	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\kmjhdmigpnlbkfnnomgaeempomjicfeh\2.0\manifest.json	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.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.exea5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{791fca33-0354-4359-8cf1-d5bd335b031d}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{791fca33-0354-4359-8cf1-d5bd335b031d}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{791fca33-0354-4359-8cf1-d5bd335b031d}	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{791fca33-0354-4359-8cf1-d5bd335b031d}\ = "GoSaaave"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{791fca33-0354-4359-8cf1-d5bd335b031d}\NoExplorer = "1"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{791fca33-0354-4359-8cf1-d5bd335b031d}	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{791fca33-0354-4359-8cf1-d5bd335b031d}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{791fca33-0354-4359-8cf1-d5bd335b031d}\ = "GoSaaave"	regsvr32.exe

Drops file in System32 directory 4 IoCs

Processes:

a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe

Drops file in Program Files directory 8 IoCs

Processes:

a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.dat	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File opened for modification	C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.dat	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File created	C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.x64.dll	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File opened for modification	C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.x64.dll	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File created	C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.dll	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File opened for modification	C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.dll	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File created	C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.tlb	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
File opened for modification	C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.tlb	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{791FCA33-0354-4359-8CF1-D5BD335B031D}	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{791FCA33-0354-4359-8CF1-D5BD335B031D}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{791fca33-0354-4359-8cf1-d5bd335b031d}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{791fca33-0354-4359-8cf1-d5bd335b031d}	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe

Modifies registry class 64 IoCs

Processes:

a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exeregsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\Programmable	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791FCA33-0354-4359-8CF1-D5BD335B031D}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\ProgID\ = ".9"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791FCA33-0354-4359-8CF1-D5BD335B031D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\ = "GoSaaave"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{791FCA33-0354-4359-8CF1-D5BD335B031D}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSaaave"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{791fca33-0354-4359-8cf1-d5bd335b031d}"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\Programmable	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\VersionIndependentProgID	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\InprocServer32	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\InprocServer32\ = "C:\\Program Files (x86)\\GoSaaave\\CQB8Xoc7H7KkpH.dll"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\VersionIndependentProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\ProgID	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\VersionIndependentProgID	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{791FCA33-0354-4359-8CF1-D5BD335B031D}\Implemented Categories	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{791fca33-0354-4359-8cf1-d5bd335b031d}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSaaave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\InprocServer32\ = "C:\\Program Files (x86)\\GoSaaave\\CQB8Xoc7H7KkpH.x64.dll"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\VersionIndependentProgID\	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\ProgID	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{791FCA33-0354-4359-8CF1-D5BD335B031D}	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe

pid	process
3060	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
3060	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
3060	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
3060	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exeregsvr32.exe

description	pid	process	target process
PID 3060 wrote to memory of 3368	3060	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe	regsvr32.exe
PID 3060 wrote to memory of 3368	3060	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe	regsvr32.exe
PID 3060 wrote to memory of 3368	3060	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe	regsvr32.exe
PID 3368 wrote to memory of 4484	3368	regsvr32.exe	regsvr32.exe
PID 3368 wrote to memory of 4484	3368	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{791fca33-0354-4359-8cf1-d5bd335b031d} = "1"	a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe

C:\Users\Admin\AppData\Local\Temp\a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.exe
"C:\Users\Admin\AppData\Local\Temp\a5e09cdef4a24c6b40724c89ba03c12fb146437d3d6697aed9f6f96b3f90637f.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:3060

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3368

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:4484

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:5068

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:2204

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)\GoSaaave\CQB8Xoc7H7KkpH.dat
Filesize
4KB

MD5
93ca4702aacd3b259d8e19bb97ec89c5

SHA1
e5b162abeecf6e8b09249f149e241c5e6ae6a366

SHA256
0fb2efa1db3f3f7495dcfaa6fea2f99551fe547be4ea7cb8c7f6b175fbac7e5e

SHA512
ef0829551758e74e871486999dd170272573db80ddce640e42aab8ec49a3c4646c0828492f896014c97a166d7519fc9026b48e17503e9ce981f8cf31c8bf23f1

Download Submit
C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.dll
Filesize
617KB

MD5
5b02fe261c5832aba1e2b35228934c17

SHA1
b30aef32bfc7fb93add291dd7699d209fc3a60c1

SHA256
af2632d8ad1a0b0e706f260de79b687cf94855d911bf5fc9d4b7007e256e7a6c

SHA512
936b81acb1219be1c18b958f4fc3bd7c5c1ab617fa20e76db165f6ffdb2f674c602c18522980527d84cad7a93dcc79cb222e5e4a8b301298ec141a8b6eb26e72

Download Submit
C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.tlb
Filesize
3KB

MD5
934268ece04f6de7c76bfed3478cf1d4

SHA1
a4e0ca22b9db6bfcf061d76e8101ef7559813954

SHA256
ab54518451a446e00679b2dbecd9285d8a96841ad27df558a2e0b6ce55252b8c

SHA512
043fa5fd301b7bbdb6f9ee7766c46dfe5da897b7f7dd164372326416fdb1b7cb3c3809f1293b987077ded2664daf123f9bb217cb12c7d9bf923b1df6a2afccea

Download Submit
C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.x64.dll
Filesize
700KB

MD5
5bdec27c100693ecb0b61cc2555e8505

SHA1
771242d417269c2f9150d649f06e6ec8e8bd8cb7

SHA256
ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326

SHA512
1b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4

Download Submit
C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.x64.dll
Filesize
700KB

MD5
5bdec27c100693ecb0b61cc2555e8505

SHA1
771242d417269c2f9150d649f06e6ec8e8bd8cb7

SHA256
ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326

SHA512
1b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4

Download Submit
C:\Program Files (x86)\GoSaaave\CQB8Xoc7H7KkpH.x64.dll
Filesize
700KB

MD5
5bdec27c100693ecb0b61cc2555e8505

SHA1
771242d417269c2f9150d649f06e6ec8e8bd8cb7

SHA256
ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326

SHA512
1b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4

Download Submit
memory/3060-132-0x0000000002C30000-0x0000000002CD2000-memory.dmp

Filesize
648KB

Download
memory/3368-138-0x0000000000000000-mapping.dmp

Download
memory/4484-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads