fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e

General

Target

fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Size

4.4MB
MD5

d9b969af76dec0c16636eb9fb9ea83c4
SHA1

ab62c2858da98a47d8a4e6f9642b07b324aefa3a
SHA256

fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e
SHA512

bebe0acb9bc435b5d8683cced79773225dbc31149cf1248dfdf2c4f79d97630025b41eb5533dbe19068e0f3deb061365578038284aa1c972942d389ea2f929f4
SSDEEP

49152:QhuK4jmWrCBDT+qLmxup4VdGKvghxfki1Kc7SK6jSlM/Zf0weeDNxUC:m2mWrKyqDKcZ7SK6j8MNtLNxU

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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\PFvvDMfMLl8NUG.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exeregsvr32.exeregsvr32.exe

pid process

3696 fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
4248 regsvr32.exe
4740 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:

fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1f396114-69db-4c7b-9a14-478277f200d9}	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1f396114-69db-4c7b-9a14-478277f200d9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1f396114-69db-4c7b-9a14-478277f200d9}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1f396114-69db-4c7b-9a14-478277f200d9}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1f396114-69db-4c7b-9a14-478277f200d9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1f396114-69db-4c7b-9a14-478277f200d9}	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1f396114-69db-4c7b-9a14-478277f200d9}\ = "GoSave"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1f396114-69db-4c7b-9a14-478277f200d9}\NoExplorer = "1"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe

Drops file in Program Files directory 8 IoCs

Processes:

fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.tlb	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
File created	C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.dat	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
File opened for modification	C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.dat	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
File created	C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.x64.dll	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
File opened for modification	C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.x64.dll	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
File created	C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.dll	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
File opened for modification	C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.dll	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
File created	C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.tlb	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

regsvr32.exefdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe

description	ioc	process
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\{1f396114-69db-4c7b-9a14-478277f200d9}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{1f396114-69db-4c7b-9a14-478277f200d9}	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{1F396114-69DB-4C7B-9A14-478277F200D9}	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{1F396114-69DB-4C7B-9A14-478277F200D9}	regsvr32.exe

Modifies registry class 64 IoCs

Processes:

fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exeregsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\VersionIndependentProgID\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\Programmable	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1F396114-69DB-4C7B-9A14-478277F200D9}\Implemented Categories	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\PFvvDMfMLl8NUG.tlb"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\ = "GoSave"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\ProgID\ = ".9"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{1f396114-69db-4c7b-9a14-478277f200d9}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\ProgID\ = ".9"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1F396114-69DB-4C7B-9A14-478277F200D9}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\ProgID	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\VersionIndependentProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\PFvvDMfMLl8NUG.dll"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\VersionIndependentProgID	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\PFvvDMfMLl8NUG.x64.dll"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\ProgID	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1F396114-69DB-4C7B-9A14-478277F200D9}	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\VersionIndependentProgID	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1F396114-69DB-4C7B-9A14-478277F200D9}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640}	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe

pid	process
3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe

description	pid	process
Token: SeDebugPrivilege	3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Token: SeDebugPrivilege	3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Token: SeDebugPrivilege	3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Token: SeDebugPrivilege	3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Token: SeDebugPrivilege	3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
Token: SeDebugPrivilege	3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exeregsvr32.exe

description	pid	process	target process
PID 3696 wrote to memory of 4248	3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe	regsvr32.exe
PID 3696 wrote to memory of 4248	3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe	regsvr32.exe
PID 3696 wrote to memory of 4248	3696	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe	regsvr32.exe
PID 4248 wrote to memory of 4740	4248	regsvr32.exe	regsvr32.exe
PID 4248 wrote to memory of 4740	4248	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{1f396114-69db-4c7b-9a14-478277f200d9} = "1"	fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe

C:\Users\Admin\AppData\Local\Temp\fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.exe
"C:\Users\Admin\AppData\Local\Temp\fdbce8efa355eec91da838f0cb21085b359ff67dd6aa212fc5083bf20eb1dc5e.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:3696

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4248

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:4740

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

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.dat

Filesize
4KB

MD5
7f7472854055ccaa8a29f0fd41e4aeba

SHA1
5a47dea21d9c1a15b0dddfde84e134a719773691

SHA256
0fc81d5c2685caeaf2ddce594cd7d5431c7ccaddcb81f49555628fb42325f42c

SHA512
b8a8139ecf68bacfe23592cd901d7bc3fe8bb5c7ab0751aca4367344ee659fc8def7140dc4f80ba9fa73eaa50c0b4e8a2ab219b5534e727e96a1292fe736e108

Download Submit
C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.dll

Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

Download Submit
C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.tlb

Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

Download Submit
C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
C:\Program Files (x86)\GoSave\PFvvDMfMLl8NUG.x64.dll

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/3696-132-0x0000000003AF0000-0x0000000003BB9000-memory.dmp

Filesize
804KB

Download
memory/4248-138-0x0000000000000000-mapping.dmp

Download
memory/4740-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads