fe8b23ef1880acb970ddbb469dbce724ffdc61355440d8d805df8672b1e29a3e

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-04-2024 20:42

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General

Target

K-MeleonCCFME0.089/AccessibleMarshal.dll
Size

8KB
MD5

1ea1fc6a47c7214549ef68eb2fb6e780
SHA1

bfb6c41cbb0bccb39b27afdfc258bf23e88e650d
SHA256

b629cfa666848825b28003d42151fd61e056efa65285b85aee73ece40943ac68
SHA512

e4ee78835d694dea266d5ab3bdd62f5a741e97e80e7ddcf427a1b748371218fe60d562c1e5465ea5eaf1ca6a88c183532014eb829b058b3407503d3e385e290a
SSDEEP

192:CQv8+5D/iy3qp/bIbJBcAaauGbncG23p:CQv8+2FEYibnF23

Score

1^/10

Malware Config

Signatures

Modifies registry class 25 IoCs

Processes:

regsvr32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1814CEEB-49E2-407F-AF99-FA755A7D2607}\ = "ISimpleDOMNode"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E747BE5-2052-4265-8AF0-8ECAD7AAD1C0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E747BE5-2052-4265-8AF0-8ECAD7AAD1C0}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E747BE5-2052-4265-8AF0-8ECAD7AAD1C0}\ProxyStubClsid32\ = "{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\ = "ISimpleDOMDocument"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\NumMethods\ = "9"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1814CEEB-49E2-407F-AF99-FA755A7D2607}\ProxyStubClsid32\ = "{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1814CEEB-49E2-407F-AF99-FA755A7D2607}\NumMethods\ = "18"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E747BE5-2052-4265-8AF0-8ECAD7AAD1C0}\ = "ISimpleDOMText"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\ = "PSFactoryBuffer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1814CEEB-49E2-407F-AF99-FA755A7D2607}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E747BE5-2052-4265-8AF0-8ECAD7AAD1C0}\NumMethods\ = "8"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1814CEEB-49E2-407F-AF99-FA755A7D2607}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{1814CEEB-49E2-407F-AF99-FA755A7D2607}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{4E747BE5-2052-4265-8AF0-8ECAD7AAD1C0}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\K-MeleonCCFME0.089\\AccessibleMarshal.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}\ProxyStubClsid32\ = "{0D68D6D0-D93D-4D08-A30D-F00DD1F45B24}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2032 wrote to memory of 2020	2032	regsvr32.exe	regsvr32.exe
PID 2032 wrote to memory of 2020	2032	regsvr32.exe	regsvr32.exe
PID 2032 wrote to memory of 2020	2032	regsvr32.exe	regsvr32.exe
PID 2032 wrote to memory of 2020	2032	regsvr32.exe	regsvr32.exe
PID 2032 wrote to memory of 2020	2032	regsvr32.exe	regsvr32.exe
PID 2032 wrote to memory of 2020	2032	regsvr32.exe	regsvr32.exe
PID 2032 wrote to memory of 2020	2032	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\K-MeleonCCFME0.089\AccessibleMarshal.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\K-MeleonCCFME0.089\AccessibleMarshal.dll
2⤵
- Modifies registry class
PID:2020

Analysis

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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