fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c

General

Target

fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Size

4.3MB
MD5

07ff8dee7df0af5140a9da00d160f1d8
SHA1

e9d7166aa21be2ec65a33683efd4f3fb60fa9844
SHA256

fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c
SHA512

f0a0a0c392e1b8fcd9810b47ae1a7fc38954e0d06292df3cf70cfd939973b6d3e69202e6e4e1710ab11fe858760619232c1d92c1fcebe3e5634275a40037d793
SSDEEP

49152:tiOqoT5U2XC5Oarmxup4ddGKvghxfki1X9buOBqFyyoC3yE/Ac5mWxnmef:M25UdQaHKcPbuOBqFJoWNAxenl

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\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\cIejUKLDzQaXuz.x64.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\InprocServer32	regsvr32.exe

Loads dropped DLL 3 IoCs

Processes:

fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exeregsvr32.exeregsvr32.exe

pid process

660 fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
3236 regsvr32.exe
820 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:

fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exeregsvr32.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\NoExplorer = "1"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\ = "GoSave"	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\NoExplorer = "1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\ = "GoSave"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe

Drops file in Program Files directory 8 IoCs

Processes:

fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSave\cIejUKLDzQaXuz.dll	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
File opened for modification	C:\Program Files (x86)\GoSave\cIejUKLDzQaXuz.dll	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
File created	C:\Program Files (x86)\GoSave\cIejUKLDzQaXuz.tlb	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
File opened for modification	C:\Program Files (x86)\GoSave\cIejUKLDzQaXuz.tlb	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
File created	C:\Program Files (x86)\GoSave\cIejUKLDzQaXuz.dat	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
File opened for modification	C:\Program Files (x86)\GoSave\cIejUKLDzQaXuz.dat	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
File created	C:\Program Files (x86)\GoSave\cIejUKLDzQaXuz.x64.dll	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
File opened for modification	C:\Program Files (x86)\GoSave\cIejUKLDzQaXuz.x64.dll	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe

Modifies Internet Explorer settings 1 TTPs 8 IoCs

adware spyware

Modify Registry

T1112

Processes:

fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exeregsvr32.exe

description	ioc	process
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{E0C65AB4-988D-4C0A-8EF3-CF41C5FCAB90}	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\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key deleted	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{E0C65AB4-988D-4C0A-8EF3-CF41C5FCAB90}	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe

Modifies registry class 64 IoCs

Processes:

regsvr32.exefd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0C65AB4-988D-4C0A-8EF3-CF41C5FCAB90}\Implemented Categories	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\InprocServer32	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\VersionIndependentProgID\	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\Programmable	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0C65AB4-988D-4C0A-8EF3-CF41C5FCAB90}	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\VersionIndependentProgID\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\ = "GoSave"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\InprocServer32\ThreadingModel = "Apartment"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\VersionIndependentProgID	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\InprocServer32	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\cIejUKLDzQaXuz.tlb"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E0C65AB4-988D-4C0A-8EF3-CF41C5FCAB90}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90}"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe

pid	process
660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe

description	pid	process
Token: SeDebugPrivilege	660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Token: SeDebugPrivilege	660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Token: SeDebugPrivilege	660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Token: SeDebugPrivilege	660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Token: SeDebugPrivilege	660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
Token: SeDebugPrivilege	660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exeregsvr32.exe

description	pid	process	target process
PID 660 wrote to memory of 3236	660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe	regsvr32.exe
PID 660 wrote to memory of 3236	660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe	regsvr32.exe
PID 660 wrote to memory of 3236	660	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe	regsvr32.exe
PID 3236 wrote to memory of 820	3236	regsvr32.exe	regsvr32.exe
PID 3236 wrote to memory of 820	3236	regsvr32.exe	regsvr32.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{e0c65ab4-988d-4c0a-8ef3-cf41c5fcab90} = "1"	fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe

C:\Users\Admin\AppData\Local\Temp\fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.exe
"C:\Users\Admin\AppData\Local\Temp\fd44e58fef73d7ddf2897ce569189bc90dfbf5d2ccdb5b7197af8c755e502b1c.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:660

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\cIejUKLDzQaXuz.x64.dll"
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3236

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\cIejUKLDzQaXuz.x64.dll"
3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:820

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\cIejUKLDzQaXuz.dat

Filesize
4KB

MD5
d15132e42a669a2671e7cbc96b9500f7

SHA1
ea268f6f11ece5389039aaf538306186d6771fbe

SHA256
a6feccebced0cd5f67252423ecad1ff08c5abcb90bdfda3ba006b30064d22871

SHA512
15c3b79f678385913202759897f228475a36844b4f9278512508336e4d73697592daf4147459c37d2acc0fbb77455b5f9aeb5ec2e858f29af90278165e1d812b

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

Filesize
738KB

MD5
49961c7c9a7aef57f49adf50d1c810f6

SHA1
fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

SHA256
c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

SHA512
8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

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

Filesize
3KB

MD5
e3ab22d8beac0180520ab5289a64419b

SHA1
1456ba2c78b293e5a80185fefdf05f5dbe424937

SHA256
0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

SHA512
c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

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

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

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

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

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

Filesize
872KB

MD5
337b97dbbcc7ad4d75fb5a90652e6de3

SHA1
50e50243af1819e62a7512d85e6dd67b8e1ed103

SHA256
b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

SHA512
dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

Download Submit
memory/660-132-0x0000000002E20000-0x0000000002EE9000-memory.dmp

Filesize
804KB

Download
memory/820-141-0x0000000000000000-mapping.dmp

Download
memory/3236-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads