f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0

General

Target

f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Size

4.3MB
MD5

05d20921ffc73951ede6a0d83c0170d5
SHA1

f847f0733063ef824cf9f36cb4fb446e87a9bf29
SHA256

f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0
SHA512

04017adb4c5e6669e47464640028d8769cc3606ca07e9b28db375b11d79f4bd91d8f86b4d4709853b8b27c9e80b3242636d57cca89609fe6a18e41d572570c2b
SSDEEP

49152:ySuK4jZ0WHCpNqLmxup4+dGKvghxfki189buOBqFmB+lyzEJ3jBr:R2Z0NvqQKcqbuOBqFzYiTB

Score

8^/10

adware discovery persistence 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\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\3NbIFBDenqVUA3.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exeregsvr32.exeregsvr32.exe

pid process

4284 f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
4976 regsvr32.exe
5028 regsvr32.exe
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

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.exef76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\ = "GoSave"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\NoExplorer = "1"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}	regsvr32.exe

Drops file in Program Files directory 8 IoCs

Processes:

f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.dat	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
File created	C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.x64.dll	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
File opened for modification	C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.x64.dll	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
File created	C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.dll	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
File opened for modification	C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.dll	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
File created	C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.tlb	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
File opened for modification	C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.tlb	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
File created	C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.dat	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exef76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{6FBEEA11-FEF3-4B1B-AAF9-8E329AEC5F57}	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{6FBEEA11-FEF3-4B1B-AAF9-8E329AEC5F57}	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe

Modifies registry class 64 IoCs

Processes:

f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\VersionIndependentProgID\	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\ProgID\ = ".9"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6FBEEA11-FEF3-4B1B-AAF9-8E329AEC5F57}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\VersionIndependentProgID	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\InprocServer32\ThreadingModel = "Apartment"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\ProgID	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\Programmable	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\VersionIndependentProgID	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\ProgID\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6FBEEA11-FEF3-4B1B-AAF9-8E329AEC5F57}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\InprocServer32	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\3NbIFBDenqVUA3.tlb"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57}\Programmable	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe

pid	process
4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe

description	pid	process
Token: SeDebugPrivilege	4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Token: SeDebugPrivilege	4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Token: SeDebugPrivilege	4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Token: SeDebugPrivilege	4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Token: SeDebugPrivilege	4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
Token: SeDebugPrivilege	4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exeregsvr32.exe

description	pid	process	target process
PID 4284 wrote to memory of 4976	4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe	regsvr32.exe
PID 4284 wrote to memory of 4976	4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe	regsvr32.exe
PID 4284 wrote to memory of 4976	4284	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe	regsvr32.exe
PID 4976 wrote to memory of 5028	4976	regsvr32.exe	regsvr32.exe
PID 4976 wrote to memory of 5028	4976	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{6fbeea11-fef3-4b1b-aaf9-8e329aec5f57} = "1"	f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe

C:\Users\Admin\AppData\Local\Temp\f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe
"C:\Users\Admin\AppData\Local\Temp\f76d2ea4eb33d9d1c56bfbd63e0590f5b7b11b4802a9d14adf4d706a65bcb8b0.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4284

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4976

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:5028

Network

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

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.dat
Filesize
4KB

MD5
c13d5669865e05e2cb4770e195aaa882

SHA1
e8ec73fc462ea5179ac20366fa74b778f1ee97be

SHA256
eca4ce11cf18c37e2fba52f6f9c6fbac5e2666d86c2ce58fdf08d315ea8484de

SHA512
c6e881dad2cf9e7128f7340227432f6eb27c44ece5dad6726b199ef69f670018272831a7eb7e3ea15eb6796b856d3474adc799a752dadde65dba92bebee706b1

Download Submit
C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.dll
Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.tlb
Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\3NbIFBDenqVUA3.x64.dll
Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/4284-132-0x0000000003E40000-0x0000000003F09000-memory.dmp

Filesize
804KB

Download
memory/4976-138-0x0000000000000000-mapping.dmp

Download
memory/5028-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads