Analysis
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max time kernel
238s -
max time network
336s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 20:30
Static task
static1
Behavioral task
behavioral1
Sample
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe
Resource
win10v2004-20220812-en
General
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Target
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe
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Size
4.3MB
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MD5
7d8e56dbb897bc27abe670a0978b83c0
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SHA1
3cc75541ce9049a1f1723b5b570dc3bcb0628d4c
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SHA256
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4
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SHA512
9abe34744bf2ecd9b8764414b2190e60eaa4f58ce8f44149888876ea567677cb919ac89c90b2bfa065e2becd3e3eeb1090687c15ead86b3cddfad7f3d7385f40
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SSDEEP
49152:JhOqIruzyb7SO6rmxup4IdGKvghxfki1rc7SKgB+lyzEJ3j1/:ZuuzAT6+Kci7SKRYiT1
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\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\a8LPIyW2wiuVEJ.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32 regsvr32.exe -
Loads dropped DLL 3 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exeregsvr32.exeregsvr32.exepid process 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 1104 regsvr32.exe 608 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.exeb43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\ = "GoSave" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\NoExplorer = "1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\ = "GoSave" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\NoExplorer = "1" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe -
Drops file in Program Files directory 8 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exedescription ioc process File created C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.dll b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File opened for modification C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.dll b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File created C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.tlb b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File opened for modification C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.tlb b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File created C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.dat b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File opened for modification C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.dat b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File created C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dll b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe File opened for modification C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dll b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe -
Processes:
regsvr32.exeb43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exedescription ioc process Key deleted \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{7C3A28F5-07C9-4BDD-AABB-6DAA75EFC1B8} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{7C3A28F5-07C9-4BDD-AABB-6DAA75EFC1B8} regsvr32.exe -
Modifies registry class 64 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exeregsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\VersionIndependentProgID b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR\ = "C:\\Program Files (x86)\\GoSave" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\ = "GoSave" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\VersionIndependentProgID\ b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\Programmable b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\a8LPIyW2wiuVEJ.dll" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ = "IPlaghinMein" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7C3A28F5-07C9-4BDD-AABB-6DAA75EFC1B8}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSave" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C3A28F5-07C9-4BDD-AABB-6DAA75EFC1B8}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\VersionIndependentProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C3A28F5-07C9-4BDD-AABB-6DAA75EFC1B8}\Implemented Categories b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32\ = "C:\\Program Files (x86)\\GoSave\\a8LPIyW2wiuVEJ.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\ProgID\ = ".9" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C3A28F5-07C9-4BDD-AABB-6DAA75EFC1B8} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32\ThreadingModel = "Apartment" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\InprocServer32 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8}\ProgID b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\Version = "1.0" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755} b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exepid process 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exedescription pid process Token: SeDebugPrivilege 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Token: SeDebugPrivilege 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Token: SeDebugPrivilege 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Token: SeDebugPrivilege 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Token: SeDebugPrivilege 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Token: SeDebugPrivilege 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exeregsvr32.exedescription pid process target process PID 544 wrote to memory of 1104 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe regsvr32.exe PID 544 wrote to memory of 1104 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe regsvr32.exe PID 544 wrote to memory of 1104 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe regsvr32.exe PID 544 wrote to memory of 1104 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe regsvr32.exe PID 544 wrote to memory of 1104 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe regsvr32.exe PID 544 wrote to memory of 1104 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe regsvr32.exe PID 544 wrote to memory of 1104 544 b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe regsvr32.exe PID 1104 wrote to memory of 608 1104 regsvr32.exe regsvr32.exe PID 1104 wrote to memory of 608 1104 regsvr32.exe regsvr32.exe PID 1104 wrote to memory of 608 1104 regsvr32.exe regsvr32.exe PID 1104 wrote to memory of 608 1104 regsvr32.exe regsvr32.exe PID 1104 wrote to memory of 608 1104 regsvr32.exe regsvr32.exe PID 1104 wrote to memory of 608 1104 regsvr32.exe regsvr32.exe PID 1104 wrote to memory of 608 1104 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 2 IoCs
Processes:
b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{7c3a28f5-07c9-4bdd-aabb-6daa75efc1b8} = "1" b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.exe"C:\Users\Admin\AppData\Local\Temp\b43cec3abd93f172bc939cc83ced68c66b762760e8f2b3fa777d2a1c4bd9c9d4.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:544 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dll"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dll"3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:608
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.datFilesize
4KB
MD58a8341339d57e4c32e643bff6810c87d
SHA15a7882137f03112afbc84cece4427b3a3b502bff
SHA256461bf63d42ac987c99291fe4b2fa98c01434d901951592b94ce6553059a4fcbe
SHA5122688ac0a5573b4dd936ec26494e127085dab9137dee6d9ac24216a93f3b8d9212f02eeea5c0159ca4594ba22f1610be6b1027725953c2453d4f31eeeb4214c3b
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C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.tlbFilesize
3KB
MD5e3ab22d8beac0180520ab5289a64419b
SHA11456ba2c78b293e5a80185fefdf05f5dbe424937
SHA2560d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416
SHA512c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf
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C:\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.dllFilesize
738KB
MD549961c7c9a7aef57f49adf50d1c810f6
SHA1fc2078aeff5d5abee27c9e8a500cb2d6ae755b05
SHA256c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846
SHA5128ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f
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\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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\Program Files (x86)\GoSave\a8LPIyW2wiuVEJ.x64.dllFilesize
872KB
MD5337b97dbbcc7ad4d75fb5a90652e6de3
SHA150e50243af1819e62a7512d85e6dd67b8e1ed103
SHA256b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c
SHA512dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e
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memory/544-54-0x0000000075441000-0x0000000075443000-memory.dmpFilesize
8KB
-
memory/544-55-0x0000000000860000-0x0000000000929000-memory.dmpFilesize
804KB
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memory/608-65-0x0000000000000000-mapping.dmp
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memory/608-66-0x000007FEFB561000-0x000007FEFB563000-memory.dmpFilesize
8KB
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memory/1104-61-0x0000000000000000-mapping.dmp