ba067698a42552e1f975d0c5c57ba51623c4db634ba7830a7a90bc4a219a48eb

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
27-05-2024 19:14

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General

Target

Debug/IA2Marshal.dll
Size

70KB
MD5

c46ae8d509751485f5f10d77038eba8c
SHA1

cb3ec21c3e79d966f436fddeb37cc6475d851e46
SHA256

53e9e5fac599cedb19a3103db0a1a381f3e39644e15ff254b4aca7d4c821d311
SHA512

dd2162c88c91ef83d99c05f4d2a6afd02afe7de461cda1f0bcb4974c5533462bd669405b6e6d1d487cdb03fa4a3cb1f404e9b1aa6be6b5e126c832a5f7618496
SSDEEP

768:HVE8itx4Hzn4LkjO4/6uRzN4O1b/EVyWDGehi:HVEET4LkjOSqVyp

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5BE18059-762E-4E73-9476-ABA294FED411}\ = "IAccessible2_3"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9690A9CC-5C80-4DF5-852E-2D5AE4189A54}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9690A9CC-5C80-4DF5-852E-2D5AE4189A54}\ = "IAccessibleText2"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C48C7FCF-4AB5-4056-AFA6-902D6E1D1149}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A59AA09A-7011-4B65-939D-32B1FB5547E3}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35855B5B-C566-4FD0-A7B1-E65465600394}\NumMethods\ = "7"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B70D9F59-3B5A-4DBA-AB9E-22012F607DF5}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}\ = "IAccessibleImage"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D49DED83-5B25-43F4-9B95-93B44595979E}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C48C7FCF-4AB5-4056-AFA6-902D6E1D1149}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A59AA09A-7011-4B65-939D-32B1FB5547E3}\NumMethods\ = "10"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B70D9F59-3B5A-4DBA-AB9E-22012F607DF5}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C48C7FCF-4AB5-4056-AFA6-902D6E1D1149}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Debug\\IA2Marshal.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A59AA09A-7011-4B65-939D-32B1FB5547E3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CF64D89F-8287-4B44-8501-A827453A6077}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6C9430E9-299D-4E6F-BD01-A82A1E88D3FF}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}\NumMethods\ = "14"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35AD8070-C20C-4FB4-B094-F4F7275DD469}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A59AA09A-7011-4B65-939D-32B1FB5547E3}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7CDF86EE-C3DA-496A-BDA4-281B336E1FDC}\ = "IAccessibleRelation"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35AD8070-C20C-4FB4-B094-F4F7275DD469}\ = "IAccessibleTable"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}\ = "IAccessibleHyperlink"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9}\NumMethods\ = "25"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{594116B1-C99F-4847-AD06-0A7A86ECE645}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{24FD2FFB-3AAD-4A08-8335-A3AD89C0FB4B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{24FD2FFB-3AAD-4A08-8335-A3AD89C0FB4B}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35855B5B-C566-4FD0-A7B1-E65465600394}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B70D9F59-3B5A-4DBA-AB9E-22012F607DF5}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C48C7FCF-4AB5-4056-AFA6-902D6E1D1149}\NumMethods\ = "4"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A59AA09A-7011-4B65-939D-32B1FB5547E3}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}\NumMethods\ = "6"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{24FD2FFB-3AAD-4A08-8335-A3AD89C0FB4B}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9690A9CC-5C80-4DF5-852E-2D5AE4189A54}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\ = "PSFactoryBuffer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C48C7FCF-4AB5-4056-AFA6-902D6E1D1149}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35AD8070-C20C-4FB4-B094-F4F7275DD469}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7CDF86EE-C3DA-496A-BDA4-281B336E1FDC}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7CDF86EE-C3DA-496A-BDA4-281B336E1FDC}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{24FD2FFB-3AAD-4A08-8335-A3AD89C0FB4B}\NumMethods\ = "22"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{D49DED83-5B25-43F4-9B95-93B44595979E}\NumMethods\ = "7"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{35855B5B-C566-4FD0-A7B1-E65465600394}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6C9430E9-299D-4E6F-BD01-A82A1E88D3FF}\ = "IAccessible2_2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{B70D9F59-3B5A-4DBA-AB9E-22012F607DF5}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CF64D89F-8287-4B44-8501-A827453A6077}\NumMethods\ = "26"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6167F295-06F0-4CDD-A1FA-02E25153D869}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{594116B1-C99F-4847-AD06-0A7A86ECE645}\ = "IAccessibleTableCell"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9690A9CC-5C80-4DF5-852E-2D5AE4189A54}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5BE18059-762E-4E73-9476-ABA294FED411}\ProxyStubClsid32\ = "{E89F726E-C4F4-4C19-BB19-B647D7FA8478}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{C48C7FCF-4AB5-4056-AFA6-902D6E1D1149}\ = "IAccessibleDocument"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6167F295-06F0-4CDD-A1FA-02E25153D869}\ = "IAccessibleTable2"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 836 wrote to memory of 2436	836	regsvr32.exe	regsvr32.exe
PID 836 wrote to memory of 2436	836	regsvr32.exe	regsvr32.exe
PID 836 wrote to memory of 2436	836	regsvr32.exe	regsvr32.exe
PID 836 wrote to memory of 2436	836	regsvr32.exe	regsvr32.exe
PID 836 wrote to memory of 2436	836	regsvr32.exe	regsvr32.exe
PID 836 wrote to memory of 2436	836	regsvr32.exe	regsvr32.exe
PID 836 wrote to memory of 2436	836	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\Debug\IA2Marshal.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:836
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\Debug\IA2Marshal.dll
  2⤵
  - Modifies registry class
  PID:2436

Analysis

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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