Analysis
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max time kernel
112s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 17:04
Static task
static1
Behavioral task
behavioral1
Sample
f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe
Resource
win10v2004-20220812-en
General
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Target
f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe
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Size
4.3MB
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MD5
419123ea22da88ce96fdebc569b54d77
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SHA1
0b1fb3e9dd6c4327057030bcbe11b1fb632f5f81
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SHA256
f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11
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SHA512
ef75177c0db5ce314e9f26eb46b59701145e5d22ee5bcdeb49cc455f2de9c452ff45583fa30c1479ba0b1fdd3ce507c0002450bb3009dc588ec47474f633dcd1
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SSDEEP
49152:jSuK4jZ0WHCpNqLmxup4UdGKvghxfki1Hc7SK/gjSlM/Zf0weeDNxjr:u2Z0NvqmKci7SKoj8MNtLNxj
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\{10451764-f67d-4aa9-8e68-72c55270fa1b}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\RYDQgwzH4H1NqM.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\InprocServer32 regsvr32.exe -
Loads dropped DLL 3 IoCs
Processes:
f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exeregsvr32.exeregsvr32.exepid process 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe 2820 regsvr32.exe 2288 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:
f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exeregsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{10451764-f67d-4aa9-8e68-72c55270fa1b}\ = "GoSave" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{10451764-f67d-4aa9-8e68-72c55270fa1b}\NoExplorer = "1" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{10451764-f67d-4aa9-8e68-72c55270fa1b} f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{10451764-f67d-4aa9-8e68-72c55270fa1b} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{10451764-f67d-4aa9-8e68-72c55270fa1b}\ = "GoSave" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{10451764-f67d-4aa9-8e68-72c55270fa1b}\NoExplorer = "1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{10451764-f67d-4aa9-8e68-72c55270fa1b} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{10451764-f67d-4aa9-8e68-72c55270fa1b} f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe -
Drops file in Program Files directory 8 IoCs
Processes:
f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exedescription ioc process File created C:\Program Files (x86)\GoSave\RYDQgwzH4H1NqM.dll f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe File opened for modification C:\Program Files (x86)\GoSave\RYDQgwzH4H1NqM.dll f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe File created C:\Program Files (x86)\GoSave\RYDQgwzH4H1NqM.tlb f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe File opened for modification C:\Program Files (x86)\GoSave\RYDQgwzH4H1NqM.tlb f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe File created C:\Program Files (x86)\GoSave\RYDQgwzH4H1NqM.dat f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe File opened for modification C:\Program Files (x86)\GoSave\RYDQgwzH4H1NqM.dat f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe File created C:\Program Files (x86)\GoSave\RYDQgwzH4H1NqM.x64.dll f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe File opened for modification C:\Program Files (x86)\GoSave\RYDQgwzH4H1NqM.x64.dll f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe -
Processes:
regsvr32.exef2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exedescription ioc process 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\{10451764-f67d-4aa9-8e68-72c55270fa1b} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{10451764-f67d-4aa9-8e68-72c55270fa1b} f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key deleted \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{10451764-F67D-4AA9-8E68-72C55270FA1B} f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key deleted \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key deleted \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\MICROSOFT\INTERNET EXPLORER\APPROVEDEXTENSIONSMIGRATION\{10451764-F67D-4AA9-8E68-72C55270FA1B} regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe -
Modifies registry class 64 IoCs
Processes:
f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exeregsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\. f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10451764-F67D-4AA9-8E68-72C55270FA1B}\Implemented Categories f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\VersionIndependentProgID\ regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\InprocServer32 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSave\\RYDQgwzH4H1NqM.tlb" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{10451764-f67d-4aa9-8e68-72c55270fa1b}" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10451764-F67D-4AA9-8E68-72C55270FA1B} f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{10451764-f67d-4aa9-8e68-72c55270fa1b}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\ = "GoSave" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\VersionIndependentProgID f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\Programmable f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755} f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSave" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\ = "GoSave" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\ProgID\ = ".9" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\RYDQgwzH4H1NqM.x64.dll" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\ProgID f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\InprocServer32 regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-F67D-4AA9-8E68-72C55270FA1B}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\RYDQgwzH4H1NqM.dll" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\VersionIndependentProgID f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-F67D-4AA9-8E68-72C55270FA1B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{10451764-f67d-4aa9-8e68-72c55270fa1b}" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\InprocServer32 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{10451764-F67D-4AA9-8E68-72C55270FA1B}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\VersionIndependentProgID\ f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\InprocServer32\ThreadingModel = "Apartment" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b}\ProgID\ = ".9" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exepid process 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exedescription pid process Token: SeDebugPrivilege 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Token: SeDebugPrivilege 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Token: SeDebugPrivilege 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Token: SeDebugPrivilege 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Token: SeDebugPrivilege 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe Token: SeDebugPrivilege 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exeregsvr32.exedescription pid process target process PID 904 wrote to memory of 2820 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe regsvr32.exe PID 904 wrote to memory of 2820 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe regsvr32.exe PID 904 wrote to memory of 2820 904 f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe regsvr32.exe PID 2820 wrote to memory of 2288 2820 regsvr32.exe regsvr32.exe PID 2820 wrote to memory of 2288 2820 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{10451764-f67d-4aa9-8e68-72c55270fa1b} = "1" f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.exe"C:\Users\Admin\AppData\Local\Temp\f2c07c13feeb408f350c2996fc576f8a269bda6bb7572bca24d454fd4672fc11.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\RYDQgwzH4H1NqM.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\RYDQgwzH4H1NqM.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\RYDQgwzH4H1NqM.datFilesize
4KB
MD517c493b6dbd74667544d4db3fae5e608
SHA1671e2b3e656266e905ede5c856a51f0066a2623c
SHA25662f83748c3a1cb92f1982f6bc00e24fc7139307b9b8d6596464a367938e3f49b
SHA512bfe744a1c63d6c21570525f97fe5a941a7e27298d69a686aca8d115e702d11c7682cecfbe98ed7dc78b6a306da29e060a5f29eb9a67bdbf2502705d05117375f
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C:\Program Files (x86)\GoSave\RYDQgwzH4H1NqM.dllFilesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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C:\Program Files (x86)\GoSave\RYDQgwzH4H1NqM.tlbFilesize
3KB
MD5e3ab22d8beac0180520ab5289a64419b
SHA11456ba2c78b293e5a80185fefdf05f5dbe424937
SHA2560d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416
SHA512c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf
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C:\Program Files (x86)\GoSave\RYDQgwzH4H1NqM.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\RYDQgwzH4H1NqM.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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C:\Program Files (x86)\GoSave\RYDQgwzH4H1NqM.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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memory/904-132-0x0000000003590000-0x0000000003659000-memory.dmpFilesize
804KB
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memory/2288-141-0x0000000000000000-mapping.dmp
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memory/2820-138-0x0000000000000000-mapping.dmp