0f95960120449aeba54a96103c366bfa8d922bc2fe72cbe0ff3565ec3ae03d42

Analysis

max time kernel
134s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
12-05-2024 12:16

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General

Target

IA2Marshal.dll
Size

23KB
MD5

d7a8d54446d61432edd4a12a0a98ac5f
SHA1

a3497a6e70d59a311f81771a7143a5ae9245d5f7
SHA256

17dd0bad9ab96d7a2ca4b5d384c88cbabdc0cceab812b2f4eb5e62644ab6a6cf
SHA512

7488a75307f0f260ea6470f9539fffdbc6eacdb967ece8e1bdedb39e1e44b4b5a3dd9f05387f737da93f7e4fa48b28d015c8160ef98ac298a3177bf085631934
SSDEEP

384:JpWYarFTQ4nziIIKbTQ4n3fPvAdZwSy4:Jn4zNdg43PAXy

Score

1^/10

Malware Config

Signatures

Modifies registry class 45 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B70D9F59-3B5A-4DBA-AB9E-22012F607DF5}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D49DED83-5B25-43F4-9B95-93B44595979E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35AD8070-C20C-4FB4-B094-F4F7275DD469}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35855B5B-C566-4FD0-A7B1-E65465600394}	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\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IA2Marshal.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\ = "PSFactoryBuffer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B70D9F59-3B5A-4DBA-AB9E-22012F607DF5}\NumMethods	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\{A59AA09A-7011-4B65-939D-32B1FB5547E3}\NumMethods	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7CDF86EE-C3DA-496A-BDA4-281B336E1FDC}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{24FD2FFB-3AAD-4A08-8335-A3AD89C0FB4B}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\InProcServer32	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\{1546D4B0-4C98-4BDA-89AE-9A64748BDDE4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A59AA09A-7011-4B65-939D-32B1FB5547E3}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FE5ABB3D-615E-4F7B-909F-5F0EDA9E8DDE}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{6B4F8BBF-F1F2-418A-B35E-A195BC4103B9}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7CDF86EE-C3DA-496A-BDA4-281B336E1FDC}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35AD8070-C20C-4FB4-B094-F4F7275DD469}\NumMethods	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}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{35855B5B-C566-4FD0-A7B1-E65465600394}\NumMethods	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000_Classes\WOW6432Node\CLSID	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\{D49DED83-5B25-43F4-9B95-93B44595979E}\NumMethods	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\{35855B5B-C566-4FD0-A7B1-E65465600394}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D49DED83-5B25-43F4-9B95-93B44595979E}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1546D4B0-4C98-4BDA-89AE-9A64748BDDE4}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{1546D4B0-4C98-4BDA-89AE-9A64748BDDE4}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{01C20F2B-3DD2-400F-949F-AD00BDAB1D41}\ProxyStubClsid32	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\{35AD8070-C20C-4FB4-B094-F4F7275DD469}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E89F726E-C4F4-4C19-BB19-B647D7FA8478}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7CDF86EE-C3DA-496A-BDA4-281B336E1FDC}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3740 wrote to memory of 1732	3740	regsvr32.exe	83
PID 3740 wrote to memory of 1732	3740	regsvr32.exe	83
PID 3740 wrote to memory of 1732	3740	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\IA2Marshal.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3740
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\IA2Marshal.dll
  2⤵
  - Modifies registry class
  PID:1732

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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