Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
30-06-2024 22:17
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
64234b590422a1d522fcfed13cd7c1aa17d33511a0f9497b876be68ce8873b1e.dll
Resource
win7-20240611-en
4 signatures
150 seconds
General
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Target
64234b590422a1d522fcfed13cd7c1aa17d33511a0f9497b876be68ce8873b1e.dll
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Size
235KB
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MD5
58c415820f32552249b6939ede3c1957
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SHA1
7973c42613a60768e7cb813105b3e1c263652aed
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SHA256
64234b590422a1d522fcfed13cd7c1aa17d33511a0f9497b876be68ce8873b1e
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SHA512
38c14872e5f750d920f01f0792a2484853fca17975a436b6dd66bba25576b021490ea16049d09031cd9e369b7cb71f8fc47682116b7a0dc08ed1d5c6ebc5df83
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SSDEEP
6144:qONxvbbl1+A0nqLqT/BX9dv5MpfKKRn5tr43VIGY:qOTvj+AEqLqTtLv5MpfKKR5BC
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 3 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA}\ regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA}\NoExplorer = "1" regsvr32.exe -
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\Approved Extensions regsvr32.exe Set value (data) \REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Internet Explorer\Approved Extensions\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA} = 51667a6c4c1d3b1be9e1264358b623058cee44f1a4f493f3 regsvr32.exe -
Modifies registry class 50 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9F968ABD-B17F-4426-B37E-191D879E4529}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\64234b590422a1d522fcfed13cd7c1aa17d33511a0f9497b876be68ce8873b1e.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\64234b590422a1d522fcfed13cd7c1aa17d33511a0f9497b876be68ce8873b1e.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F}\ = "IToolbarButton" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA}\TypeLib = "{1D5A4199-956E-49BC-B89F-6A35C57C0D13}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA}\VersionIndependentProgID = "Toolbar.ExtensionHelperObject" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA}\Programmable\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9F968ABD-B17F-4426-B37E-191D879E4529}\1.0\ = "Toolbar 1.0 Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9F968ABD-B17F-4426-B37E-191D879E4529}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9F968ABD-B17F-4426-B37E-191D879E4529}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9F968ABD-B17F-4426-B37E-191D879E4529}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9F968ABD-B17F-4426-B37E-191D879E4529}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9F968ABD-B17F-4426-B37E-191D879E4529}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846}\TypeLib\ = "{9F968ABD-B17F-4426-B37E-191D879E4529}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846}\ = "IToolbarHelperObject" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F}\TypeLib\ = "{9F968ABD-B17F-4426-B37E-191D879E4529}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9F968ABD-B17F-4426-B37E-191D879E4529}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F}\ = "IToolbarButton" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F}\TypeLib\ = "{9F968ABD-B17F-4426-B37E-191D879E4529}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA}\Implemented Categories regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9F968ABD-B17F-4426-B37E-191D879E4529} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9F968ABD-B17F-4426-B37E-191D879E4529}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846}\TypeLib\ = "{9F968ABD-B17F-4426-B37E-191D879E4529}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA}\ regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846}\ = "IToolbarHelperObject" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C13D165F-FCC9-464E-A028-5D8FAF2BC88F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA}\ProgID = "Toolbar.ExtensionHelperObject.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{30AA70B7-F81C-4B91-9242-7FEC390F2846}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5E37FEF9-EC6F-484F-98E3-04B1A5B3D6EA}\InprocServer32 regsvr32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exedescription pid process target process PID 1748 wrote to memory of 1928 1748 regsvr32.exe regsvr32.exe PID 1748 wrote to memory of 1928 1748 regsvr32.exe regsvr32.exe PID 1748 wrote to memory of 1928 1748 regsvr32.exe regsvr32.exe PID 1748 wrote to memory of 1928 1748 regsvr32.exe regsvr32.exe PID 1748 wrote to memory of 1928 1748 regsvr32.exe regsvr32.exe PID 1748 wrote to memory of 1928 1748 regsvr32.exe regsvr32.exe PID 1748 wrote to memory of 1928 1748 regsvr32.exe regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\64234b590422a1d522fcfed13cd7c1aa17d33511a0f9497b876be68ce8873b1e.dll1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\64234b590422a1d522fcfed13cd7c1aa17d33511a0f9497b876be68ce8873b1e.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class