Analysis
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max time kernel
27s -
max time network
31s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 22:33
Static task
static1
Behavioral task
behavioral1
Sample
8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe
Resource
win10v2004-20221111-en
General
-
Target
8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe
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Size
4.4MB
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MD5
93db94c4843f80f1599c11c25362b471
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SHA1
2f20011971c8c2806ec5c102cd08064108870e40
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SHA256
8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6
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SHA512
8ede7d7215dbfa8d6ea574cb2f1dd15bc1bd55c7de358c496a4d88b24a726822f1926fe1f235e121b2adea68f16d120de57a174cb9d0532f80adb0c0caba716b
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SSDEEP
49152:oXk098aJQu5Bq6fmxup4vdGKvghxfki10G9buOBqFJeB+lyzEJ3jvy:UmaJrM69KchbuOBqF5YiTv
Malware Config
Signatures
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Registers COM server for autorun 1 TTPs 4 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\t4nOgpEXBzgxdt.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\InprocServer32 regsvr32.exe -
Loads dropped DLL 3 IoCs
Processes:
8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exeregsvr32.exeregsvr32.exepid process 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe 1500 regsvr32.exe 532 regsvr32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Installs/modifies Browser Helper Object 2 TTPs 8 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
regsvr32.exe8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e179a52e-e697-491b-b405-ff014eb9cdca} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e179a52e-e697-491b-b405-ff014eb9cdca}\ = "GoSave" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e179a52e-e697-491b-b405-ff014eb9cdca}\NoExplorer = "1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{e179a52e-e697-491b-b405-ff014eb9cdca} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{e179a52e-e697-491b-b405-ff014eb9cdca} 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{e179a52e-e697-491b-b405-ff014eb9cdca}\ = "GoSave" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{e179a52e-e697-491b-b405-ff014eb9cdca}\NoExplorer = "1" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{e179a52e-e697-491b-b405-ff014eb9cdca} 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe -
Drops file in Program Files directory 8 IoCs
Processes:
8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exedescription ioc process File opened for modification C:\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.tlb 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe File created C:\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.dat 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe File opened for modification C:\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.dat 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe File created C:\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.x64.dll 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe File opened for modification C:\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.x64.dll 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe File created C:\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.dll 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe File opened for modification C:\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.dll 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe File created C:\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.tlb 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe -
Processes:
regsvr32.exe8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{e179a52e-e697-491b-b405-ff014eb9cdca} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{e179a52e-e697-491b-b405-ff014eb9cdca} 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{E179A52E-E697-491B-B405-FF014EB9CDCA} 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{E179A52E-E697-491B-B405-FF014EB9CDCA} regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe -
Modifies registry class 64 IoCs
Processes:
8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exeregsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{e179a52e-e697-491b-b405-ff014eb9cdca}" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\ = "GoSave" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\InprocServer32 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\VersionIndependentProgID\ 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\ProgID 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E179A52E-E697-491B-B405-FF014EB9CDCA}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{e179a52e-e697-491b-b405-ff014eb9cdca}" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\InprocServer32\ThreadingModel = "Apartment" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca} 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755} 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E179A52E-E697-491B-B405-FF014EB9CDCA}\Implemented Categories 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\t4nOgpEXBzgxdt.tlb" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\ = "GoSave" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\. 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\VersionIndependentProgID\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E179A52E-E697-491B-B405-FF014EB9CDCA}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca} 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\Programmable 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\VersionIndependentProgID 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E179A52E-E697-491B-B405-FF014EB9CDCA}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\t4nOgpEXBzgxdt.dll" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\Programmable 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{e179a52e-e697-491b-b405-ff014eb9cdca}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{e179a52e-e697-491b-b405-ff014eb9cdca}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{E179A52E-E697-491B-B405-FF014EB9CDCA} regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exepid process 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exedescription pid process Token: SeDebugPrivilege 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Token: SeDebugPrivilege 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Token: SeDebugPrivilege 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Token: SeDebugPrivilege 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Token: SeDebugPrivilege 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Token: SeDebugPrivilege 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exeregsvr32.exedescription pid process target process PID 1416 wrote to memory of 1500 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe regsvr32.exe PID 1416 wrote to memory of 1500 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe regsvr32.exe PID 1416 wrote to memory of 1500 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe regsvr32.exe PID 1416 wrote to memory of 1500 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe regsvr32.exe PID 1416 wrote to memory of 1500 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe regsvr32.exe PID 1416 wrote to memory of 1500 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe regsvr32.exe PID 1416 wrote to memory of 1500 1416 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe regsvr32.exe PID 1500 wrote to memory of 532 1500 regsvr32.exe regsvr32.exe PID 1500 wrote to memory of 532 1500 regsvr32.exe regsvr32.exe PID 1500 wrote to memory of 532 1500 regsvr32.exe regsvr32.exe PID 1500 wrote to memory of 532 1500 regsvr32.exe regsvr32.exe PID 1500 wrote to memory of 532 1500 regsvr32.exe regsvr32.exe PID 1500 wrote to memory of 532 1500 regsvr32.exe regsvr32.exe PID 1500 wrote to memory of 532 1500 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 2 IoCs
Processes:
8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{e179a52e-e697-491b-b405-ff014eb9cdca} = "1" 8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.exe"C:\Users\Admin\AppData\Local\Temp\8b5cd58b703cfe70be6c529c15daa3cc19cc9fd61ccd58498a03a01b571e2ef6.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
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C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.x64.dll"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.x64.dll"3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.datFilesize
4KB
MD5cf7d07714a67cefe8d43e10ce8b8c3d8
SHA142c7f5d2224a3102368cd9e68d79b007c0087672
SHA2564ec21fecd56e1071ac150a9e4fc53224ac6cc82baa96c53d5a478578e68bbccf
SHA512df063a4b42b3c7dabc96cc7997ece15e669cb5e0f8d843cc5e5f961b56e4899e7a3c925c0f2d0214f6452a481f83428bb1897fd771723b2b87a85463cbd03ce9
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C:\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.tlbFilesize
3KB
MD5e3ab22d8beac0180520ab5289a64419b
SHA11456ba2c78b293e5a80185fefdf05f5dbe424937
SHA2560d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416
SHA512c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf
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C:\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.dllFilesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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\Program Files (x86)\GoSave\t4nOgpEXBzgxdt.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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memory/532-65-0x0000000000000000-mapping.dmp
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memory/532-66-0x000007FEFC451000-0x000007FEFC453000-memory.dmpFilesize
8KB
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memory/1416-54-0x00000000767B1000-0x00000000767B3000-memory.dmpFilesize
8KB
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memory/1416-55-0x00000000008F0000-0x00000000009B9000-memory.dmpFilesize
804KB
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memory/1500-61-0x0000000000000000-mapping.dmp