7a655da420c80f5c2519bc32a600ff008792f9342a1d64e4d9447a3e2aae27e1

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
11/11/2023, 16:45

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General

Target

7a655da420c80f5c2519bc32a600ff008792f9342a1d64e4d9447a3e2aae27e1.dll
Size

272KB
MD5

c4e55eb7d271388694e037104d9e2e72
SHA1

6de722dfd877e35209f1238b1a2526053207dcfe
SHA256

7a655da420c80f5c2519bc32a600ff008792f9342a1d64e4d9447a3e2aae27e1
SHA512

695fe48fec45137fe0acb10717de4f1346792eaa4d19600df7a0679ff0770cd8b7bf7d4eeafe066c883f2729a0fcee84abdf021f422151453fbccdaf8424d800
SSDEEP

6144:a5xy215E9xQuyTisQNCkmVEsRPPWp0uZMEoR1UCOFiHEg:a5xyrsKWH2FJ2tHE

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{737B185D-FEF8-44C2-8D39-B45A92465FF2}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E08398B9-D464-4FAC-8614-AE0DCB16A66B}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{541D5069-17DD-41EE-B8C7-B365031F7FB9}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F5CFCD69-05AA-4741-94D1-D17342C1F689}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.WhitespaceUtils\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.WhitespaceUtils\CurVer\ = "LtXmlComHelp20.WhitespaceUtils.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38645981-5C63-4C4F-98D2-48CCB0B410D1}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AF6AAD4D-3C46-4133-8C54-D70D4022C728}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{737B185D-FEF8-44C2-8D39-B45A92465FF2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E355A426-D54B-4A94-835E-A8D6E5694C72}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7a655da420c80f5c2519bc32a600ff008792f9342a1d64e4d9447a3e2aae27e1.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BF6281A0-D739-4716-A8AD-7BE28A6289CF}\TypeLib\ = "{829A5E4C-416A-4548-9D0B-69239E76FF41}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AF6AAD4D-3C46-4133-8C54-D70D4022C728}\ = "IFastString"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{59ECF1E3-5E33-4BC1-AF07-6A7D5B8BD448}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F5CFCD69-05AA-4741-94D1-D17342C1F689}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{737B185D-FEF8-44C2-8D39-B45A92465FF2}\TypeLib\ = "{829A5E4C-416A-4548-9D0B-69239E76FF41}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{DC47025A-199B-4EB2-A78D-B6DFDC9DCF34}\ = "IWhitespaceUtils"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E355A426-D54B-4A94-835E-A8D6E5694C72}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BF6281A0-D739-4716-A8AD-7BE28A6289CF}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{AF6AAD4D-3C46-4133-8C54-D70D4022C728}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{59ECF1E3-5E33-4BC1-AF07-6A7D5B8BD448}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{541D5069-17DD-41EE-B8C7-B365031F7FB9}\VersionIndependentProgID\ = "LtXmlComHelp20.FastString"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.XmlEncoding	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E793AA2B-F328-49AD-8BDE-EA916A17F7F7}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.Decimal.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{DC47025A-199B-4EB2-A78D-B6DFDC9DCF34}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{829A5E4C-416A-4548-9D0B-69239E76FF41}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.REParser\ = "REParser Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.UnicodeFile.1\CLSID\ = "{38645981-5C63-4C4F-98D2-48CCB0B410D1}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{829A5E4C-416A-4548-9D0B-69239E76FF41}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{829A5E4C-416A-4548-9D0B-69239E76FF41}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AA4A83B5-E68A-401A-B374-38B9636B38DE}\ProgID\ = "LtXmlComHelp20.REParser.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E793AA2B-F328-49AD-8BDE-EA916A17F7F7}\TypeLib\ = "{829A5E4C-416A-4548-9D0B-69239E76FF41}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E355A426-D54B-4A94-835E-A8D6E5694C72}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E08398B9-D464-4FAC-8614-AE0DCB16A66B}\TypeLib\ = "{829A5E4C-416A-4548-9D0B-69239E76FF41}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A9F6FC3E-7B5E-49F3-8743-378582A0BFB1}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.FastString\ = "FastString Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38645981-5C63-4C4F-98D2-48CCB0B410D1}\ProgID\ = "LtXmlComHelp20.UnicodeFile.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{111A6E9C-491B-4AEC-AB06-1CC5F9AD72BA}\ = "WhitespaceUtils Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E355A426-D54B-4A94-835E-A8D6E5694C72}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.BigInteger\CLSID\ = "{AF1EAC3E-EE64-4407-A6AA-A2C78EC89110}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.FastString\CLSID\ = "{541D5069-17DD-41EE-B8C7-B365031F7FB9}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{541D5069-17DD-41EE-B8C7-B365031F7FB9}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.UnicodeFile\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{38645981-5C63-4C4F-98D2-48CCB0B410D1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7a655da420c80f5c2519bc32a600ff008792f9342a1d64e4d9447a3e2aae27e1.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.BigInteger\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{737B185D-FEF8-44C2-8D39-B45A92465FF2}\ = "IUnicodeFile"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AA4A83B5-E68A-401A-B374-38B9636B38DE}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.WhitespaceUtils.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.WhitespaceUtils	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.Decimal	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F5CFCD69-05AA-4741-94D1-D17342C1F689}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AF6AAD4D-3C46-4133-8C54-D70D4022C728}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E793AA2B-F328-49AD-8BDE-EA916A17F7F7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7a655da420c80f5c2519bc32a600ff008792f9342a1d64e4d9447a3e2aae27e1.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.WhitespaceUtils.1\CLSID\ = "{111A6E9C-491B-4AEC-AB06-1CC5F9AD72BA}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.BigInteger	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{72CD72B4-E6E5-485A-BD3C-BE97D3C00BBA}\TypeLib\ = "{829A5E4C-416A-4548-9D0B-69239E76FF41}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E355A426-D54B-4A94-835E-A8D6E5694C72}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A9F6FC3E-7B5E-49F3-8743-378582A0BFB1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{541D5069-17DD-41EE-B8C7-B365031F7FB9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{541D5069-17DD-41EE-B8C7-B365031F7FB9}\ProgID\ = "LtXmlComHelp20.FastString.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.UnicodeFile\CurVer\ = "LtXmlComHelp20.UnicodeFile.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LtXmlComHelp20.BigInteger.1\CLSID\ = "{AF1EAC3E-EE64-4407-A6AA-A2C78EC89110}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{AF1EAC3E-EE64-4407-A6AA-A2C78EC89110}\ = "BigInteger Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BF6281A0-D739-4716-A8AD-7BE28A6289CF}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 3016	2020	regsvr32.exe	28
PID 2020 wrote to memory of 3016	2020	regsvr32.exe	28
PID 2020 wrote to memory of 3016	2020	regsvr32.exe	28
PID 2020 wrote to memory of 3016	2020	regsvr32.exe	28
PID 2020 wrote to memory of 3016	2020	regsvr32.exe	28
PID 2020 wrote to memory of 3016	2020	regsvr32.exe	28
PID 2020 wrote to memory of 3016	2020	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7a655da420c80f5c2519bc32a600ff008792f9342a1d64e4d9447a3e2aae27e1.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\7a655da420c80f5c2519bc32a600ff008792f9342a1d64e4d9447a3e2aae27e1.dll
  2⤵
  - Modifies registry class
  PID:3016

Analysis

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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