f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd

General

Target

f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Size

2.9MB
MD5

5cc691125c155ea2e66d0df85f8849d1
SHA1

7a2f3f90c6ed9e33f2b85c34654a701f17342aa4
SHA256

f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd
SHA512

995fafe7d592ed49e5c6436261b00a62050779e29f6de468bec439e75c3754484a7968332d846aeccda46144ceaeb05a324ad98656fac08fe0c3782858196883
SSDEEP

49152:av1Nd3qcNKSo65lhv+KQiqCW+Rv4J0w+7xRO11WLGctlUZNpyWfB:a7NRo65/Gn+Z401RO1lqGB

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\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\InprocServer32\ = "C:\\Program Files (x86)\\GoSaave\\M29sWKyjxTMbor.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exeregsvr32.exeregsvr32.exe

pid process

1588 f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
4580 regsvr32.exe
3728 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:

f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\djkpjflbipclijakmnaolilipeccpjpc\2.0\manifest.json	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\djkpjflbipclijakmnaolilipeccpjpc\2.0\manifest.json	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\djkpjflbipclijakmnaolilipeccpjpc\2.0\manifest.json	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\djkpjflbipclijakmnaolilipeccpjpc\2.0\manifest.json	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\djkpjflbipclijakmnaolilipeccpjpc\2.0\manifest.json	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.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:

f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exeregsvr32.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\NoExplorer = "1"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\ = "GoSaave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\ = "GoSaave"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe

Drops file in System32 directory 4 IoCs

Processes:

f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe

description	ioc	process
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File opened for modification	C:\Windows\System32\GroupPolicy	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe

Drops file in Program Files directory 8 IoCs

Processes:

f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.dat	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File opened for modification	C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.dat	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File created	C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.x64.dll	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File opened for modification	C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.x64.dll	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File created	C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.dll	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File opened for modification	C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.dll	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File created	C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.tlb	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
File opened for modification	C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.tlb	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exef6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{CBF76D4B-7631-4A0D-83F3-B93EEDBB5A9A}	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{CBF76D4B-7631-4A0D-83F3-B93EEDBB5A9A}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\InprocServer32\ThreadingModel = "Apartment"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSaave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\ = "GoSaave"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSaave"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\InprocServer32	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSaave\\M29sWKyjxTMbor.tlb"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\ProgID	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\VersionIndependentProgID	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\ProgID\ = ".9"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\VersionIndependentProgID	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSaave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\ProgID\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{CBF76D4B-7631-4A0D-83F3-B93EEDBB5A9A}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CBF76D4B-7631-4A0D-83F3-B93EEDBB5A9A}	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSaave"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe

pid	process
1588	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
1588	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
1588	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
1588	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exeregsvr32.exe

description	pid	process	target process
PID 1588 wrote to memory of 4580	1588	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe	regsvr32.exe
PID 1588 wrote to memory of 4580	1588	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe	regsvr32.exe
PID 1588 wrote to memory of 4580	1588	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe	regsvr32.exe
PID 4580 wrote to memory of 3728	4580	regsvr32.exe	regsvr32.exe
PID 4580 wrote to memory of 3728	4580	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{cbf76d4b-7631-4a0d-83f3-b93eedbb5a9a} = "1"	f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe

C:\Users\Admin\AppData\Local\Temp\f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.exe
"C:\Users\Admin\AppData\Local\Temp\f6deb8f78b19749f1fea6127ee42c97e8b03042291c11c88591c4e9d1c6e36cd.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:1588
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32.exe /s "C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.x64.dll"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:4580
- - C:\Windows\system32\regsvr32.exe
    /s "C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.x64.dll"
    3⤵
    - Registers COM server for autorun
    - Loads dropped DLL
    - Installs/modifies Browser Helper Object
    - Modifies Internet Explorer settings
    - Modifies registry class
    PID:3728

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1828

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4200

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

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Downloads

C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.dat

Filesize
4KB

MD5
890e0c0770c4bbfc73e69e964a3739ba

SHA1
e626c5de9ea7e7d80f970da6078dbe114e0a5a8a

SHA256
cce96fdeeaea7f3ec8d26a660b5e0d126e55643f5fe23df6035a325c71e11c0d

SHA512
3e238d5e35bcde2dfdc87d69a9544871301a3ca4dc4382f401a880e1654aa673dead7a056f116e2621534e874c8cf1cea22b75249439d58abc3699a05f3b21ca

Download Submit
C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.dll

Filesize
608KB

MD5
0355269639d03f0c96b5c995a7fba557

SHA1
cf31506688e2c1f6bde3ea2046b39fb3cd45b1d6

SHA256
0e85dc783dd8d135e42e416497a6d85064af196fc4bdd208412c7d64ee5b5db6

SHA512
1121d570556897ed2585ad21101077cf52c4a9fad69abae2842ef28d12ca8ddbebce9978cff083b891bcc0ea36042ea87939b0d2632530cb4973186157741038

Download Submit
C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.tlb

Filesize
3KB

MD5
ea16e050c57b164fa84e8b82443a3439

SHA1
2b01b56bdb8a5986cd02cb510cac1a3918d11db9

SHA256
295f4a7b9258487bd55889369a50d086e861b5889dc3cf8be0302ad000d12eff

SHA512
29227cb3678e31072770d85910bc63584a3b291a6733cbb7d71e9ed86b8b2dff8bb4c74b126477af622a63dde3e7b30ee84ade54eff583711f1166e5c3ae568a

Download Submit
C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.x64.dll

Filesize
688KB

MD5
77bc36cf62b98793a117eb936dc55624

SHA1
9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

SHA256
cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

SHA512
472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

Download Submit
C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.x64.dll

Filesize
688KB

MD5
77bc36cf62b98793a117eb936dc55624

SHA1
9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

SHA256
cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

SHA512
472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

Download Submit
C:\Program Files (x86)\GoSaave\M29sWKyjxTMbor.x64.dll

Filesize
688KB

MD5
77bc36cf62b98793a117eb936dc55624

SHA1
9e4163cd0ad341f2e0bc3c8c3ddd6c16b8172be2

SHA256
cc3a5b6b87d7838938b1e348b9025928cfc813727a39738f9681828b66a7dde7

SHA512
472cc986e07d9bc226117c7bf1ea18c4c5a30e161e861c11e74e59bddbd3ae5c89dc21f5a29a0e23613fad345d7e51a961079a3a57bb84928d87cada8befc089

Download Submit
memory/1588-132-0x0000000000400000-0x00000000004A7000-memory.dmp

Filesize
668KB

Download
memory/3728-141-0x0000000000000000-mapping.dmp

Download
memory/4580-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads