8fa6d9ecfa09e5eda70a6cb08c0753f6e20a26b6e8e0743ee1a9ae631e3337df

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24/05/2024, 12:13

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General

Target

FirewallAPI.dll
Size

452KB
MD5

4806fc0f0d75e1176f5d4886a7573b4b
SHA1

2da272e1471f9213de26b539c598916dcafd3800
SHA256

8fa6d9ecfa09e5eda70a6cb08c0753f6e20a26b6e8e0743ee1a9ae631e3337df
SHA512

0f328144910895d0b55a5846114723b08cce3eebf1551956659f2b60c753200a8aa2e7e731524af212bcb18499696da90742ecb6577e2341b7548afb171f4c04
SSDEEP

6144:a6banKDfJV/2jOp9F0XZj9AIM2QIzichmj9iqPRiNsC95glmUwG81zq:a6beKjOjOp98GI4fj9iq3Cg

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{39EB36E0-2097-40BD-8AF2-63A13B525362}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D4BECDDF-6F73-4A83-B832-9C66874CD20E}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F7898AF5-CAC4-4632-A2EC-DA06E5111AF2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5E64FFA-C2C5-444E-A301-FB5E00018050}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{71881699-18F4-458B-B892-3FFCE5E07F75}\ = "INetFwProduct"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D46D2478-9AC9-4008-9DC7-5563CE5536CC}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{79FD57C8-908E-4A36-9888-D5B3F0A444CF}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{71881699-18F4-458B-B892-3FFCE5E07F75}\TypeLib\ = "{58FBCF7C-E7A9-467C-80B3-FC65E8FCCA08}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\HNetCfg.FwOpenPort\ = "HNetCfg.FwOpenPort"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{644EFD52-CCF9-486C-97A2-39F352570B30}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0483BA0-47FF-4D9C-A6D6-7741D0B195F7}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{79649BB4-903E-421B-94C9-79848E79F6EE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\HNetCfg.FwPolicy2\ = "HNetCfg.FwPolicy2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6207B2E-7CDD-426A-951E-5E1CBC5AFEAD}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D46D2478-9AC9-4008-9DC7-5563CE5536CC}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{79649BB4-903E-421B-94C9-79848E79F6EE}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B5E64FFA-C2C5-444E-A301-FB5E00018050}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\HNetCfg.FwAuthorizedApplication\ = "HNetCfg.FwAuthorizedApplication"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{71881699-18F4-458B-B892-3FFCE5E07F75}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{39EB36E0-2097-40BD-8AF2-63A13B525362}\ = "INetFwProducts"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{174A0DDA-E9F9-449D-993B-21AB667CA456}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0E9D7FA-E07E-430A-B19A-090CE82D92E2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\HNetCfg.FwProducts\ = "HNetCfg.FwProducts"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{71881699-18F4-458B-B892-3FFCE5E07F75}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A6207B2E-7CDD-426A-951E-5E1CBC5AFEAD}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D4BECDDF-6F73-4A83-B832-9C66874CD20E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\HNetCfg.FwRule\ = "HNetCfg.FwRule"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{39EB36E0-2097-40BD-8AF2-63A13B525362}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6207B2E-7CDD-426A-951E-5E1CBC5AFEAD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D46D2478-9AC9-4008-9DC7-5563CE5536CC}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{79FD57C8-908E-4A36-9888-D5B3F0A444CF}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{71881699-18F4-458B-B892-3FFCE5E07F75}\ = "INetFwProduct"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{71881699-18F4-458B-B892-3FFCE5E07F75}\TypeLib\ = "{58FBCF7C-E7A9-467C-80B3-FC65E8FCCA08}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{39EB36E0-2097-40BD-8AF2-63A13B525362}\ = "INetFwProducts"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{39EB36E0-2097-40BD-8AF2-63A13B525362}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{39EB36E0-2097-40BD-8AF2-63A13B525362}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{79649BB4-903E-421B-94C9-79848E79F6EE}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C0E9D7FA-E07E-430A-B19A-090CE82D92E2}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{71881699-18F4-458B-B892-3FFCE5E07F75}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{71881699-18F4-458B-B892-3FFCE5E07F75}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{71881699-18F4-458B-B892-3FFCE5E07F75}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{39EB36E0-2097-40BD-8AF2-63A13B525362}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E0483BA0-47FF-4D9C-A6D6-7741D0B195F7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{CE166E40-1E72-45B9-94C9-3B2050E8f180}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{71881699-18F4-458B-B892-3FFCE5E07F75}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{71881699-18F4-458B-B892-3FFCE5E07F75}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{39EB36E0-2097-40BD-8AF2-63A13B525362}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{174A0DDA-E9F9-449D-993B-21AB667CA456}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F7898AF5-CAC4-4632-A2EC-DA06E5111AF2}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\HNetCfg.FwProduct\ = "HNetCfg.FwProduct"	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{CE166E40-1E72-45B9-94C9-3B2050E8f180}\AccessPermission = 010014803400000050000000000000001400000002002000010000000000180003000000010200000000000520000000200200000105000000000005150000005951b81766725d2564633b0b7fa928000105000000000005150000005951b81766725d2564633b0b7fa92800	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{39EB36E0-2097-40BD-8AF2-63A13B525362}\TypeLib\ = "{58FBCF7C-E7A9-467C-80B3-FC65E8FCCA08}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{39EB36E0-2097-40BD-8AF2-63A13B525362}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D4BECDDF-6F73-4A83-B832-9C66874CD20E}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\HNetCfg.FwMgr\ = "HNetCfg.FwMgr"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F7898AF5-CAC4-4632-A2EC-DA06E5111AF2}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{644EFD52-CCF9-486C-97A2-39F352570B30}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{71881699-18F4-458B-B892-3FFCE5E07F75}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{71881699-18F4-458B-B892-3FFCE5E07F75}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 1544	1448	regsvr32.exe	82
PID 1448 wrote to memory of 1544	1448	regsvr32.exe	82
PID 1448 wrote to memory of 1544	1448	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\FirewallAPI.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\FirewallAPI.dll
  2⤵
  - Modifies registry class
  PID:1544

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Malware Config

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