ee999168faa1ffddeca00952e86daede817a725011f7aa21867a364cc7644f8a

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22/05/2024, 11:49

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General

Target

CallButtons.ProxyStub.dll
Size

17KB
MD5

aa68fc7db3a34e950d700a7f457ff320
SHA1

180bc2ec1cb952bb3765998cc92447f3d972ab7d
SHA256

ee999168faa1ffddeca00952e86daede817a725011f7aa21867a364cc7644f8a
SHA512

24e86373ee383a50727ca00ff462a25d9ef9aef0d38a1f789e3203a905c961f76a78233e2242244aade4b0d0843c435808f5a4f81e3afceeba219aaa8e051354
SSDEEP

384:rD7CoAW1Vne42jfn56z1GDMbo+nor1SPRW/5WSl:Got1Z4Taa8oQP2/

Score

1^/10

Malware Config

Signatures

Modifies registry class 56 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{dacfcde5-4790-45ea-a357-a8388c6a587b}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{03945AD5-85AB-40E1-AF19-56C94303B019}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A520D0D6-AE8D-45DB-8011-CA49D3B3E578}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A520D0D6-AE8D-45DB-8011-CA49D3B3E578}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C43DCE05-BAA2-47A0-BBFE-FFF3AECD45A8}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7EB55209-76AB-4C31-B40E-4B58379D580C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E637A454-C527-422C-8926-C9AF83B559A0}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{596F759F-50DF-4454-BC63-4D3D01B61958}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{596F759F-50DF-4454-BC63-4D3D01B61958}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A520D0D6-AE8D-45DB-8011-CA49D3B3E578}\NumMethods\ = "23"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3A43900-B4FA-49CD-9442-89AF6568F601}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3A43900-B4FA-49CD-9442-89AF6568F601}\NumMethods\ = "7"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7EB55209-76AB-4C31-B40E-4B58379D580C}\NumMethods\ = "7"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{037B929E-953C-4286-8866-4F0F376C855A}\ = "__x_Windows_CMedia_CDevices_CIDialRequestedEventArgs"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{596F759F-50DF-4454-BC63-4D3D01B61958}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7EB55209-76AB-4C31-B40E-4B58379D580C}\ = "__x_Windows_CMedia_CDevices_CIRedialRequestedEventArgs"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A520D0D6-AE8D-45DB-8011-CA49D3B3E578}\ = "__x_Windows_CMedia_CDevices_CICallControl"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5ABBFFDB-C21F-4BC4-891B-257E28C1B1A4}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8A29B578-DB9F-4048-9A0D-922C65FCD86C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7EB55209-76AB-4C31-B40E-4B58379D580C}\ProxyStubClsid32\ = "{DACFCDE5-4790-45EA-A357-A8388C6A587B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{03945AD5-85AB-40E1-AF19-56C94303B019}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{dacfcde5-4790-45ea-a357-a8388c6a587b}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7EB55209-76AB-4C31-B40E-4B58379D580C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8A29B578-DB9F-4048-9A0D-922C65FCD86C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8A29B578-DB9F-4048-9A0D-922C65FCD86C}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E637A454-C527-422C-8926-C9AF83B559A0}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7EB55209-76AB-4C31-B40E-4B58379D580C}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{037B929E-953C-4286-8866-4F0F376C855A}\ProxyStubClsid32\ = "{DACFCDE5-4790-45EA-A357-A8388C6A587B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C43DCE05-BAA2-47A0-BBFE-FFF3AECD45A8}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{DACFCDE5-4790-45EA-A357-A8388C6A587B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3A43900-B4FA-49CD-9442-89AF6568F601}\ = "__x_Windows_CMedia_CDevices_CIKeypadPressedEventArgs"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{E637A454-C527-422C-8926-C9AF83B559A0}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BAF257D1-4EBD-4B84-9F47-6EC43D75D8B1}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C43DCE05-BAA2-47A0-BBFE-FFF3AECD45A8}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3A43900-B4FA-49CD-9442-89AF6568F601}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BAF257D1-4EBD-4B84-9F47-6EC43D75D8B1}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A520D0D6-AE8D-45DB-8011-CA49D3B3E578}\ProxyStubClsid32\ = "{DACFCDE5-4790-45EA-A357-A8388C6A587B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5ABBFFDB-C21F-4BC4-891B-257E28C1B1A4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3A43900-B4FA-49CD-9442-89AF6568F601}\ProxyStubClsid32\ = "{DACFCDE5-4790-45EA-A357-A8388C6A587B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{D3A43900-B4FA-49CD-9442-89AF6568F601}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{03945AD5-85AB-40E1-AF19-56C94303B019}\NumMethods\ = "8"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{037B929E-953C-4286-8866-4F0F376C855A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{037B929E-953C-4286-8866-4F0F376C855A}\NumMethods\ = "8"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{03945AD5-85AB-40E1-AF19-56C94303B019}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{037B929E-953C-4286-8866-4F0F376C855A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BAF257D1-4EBD-4B84-9F47-6EC43D75D8B1}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{03945AD5-85AB-40E1-AF19-56C94303B019}\ = "__x_Windows_CMedia_CDevices_CICallControlStatics"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{5ABBFFDB-C21F-4BC4-891B-257E28C1B1A4}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{037B929E-953C-4286-8866-4F0F376C855A}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{03945AD5-85AB-40E1-AF19-56C94303B019}\ProxyStubClsid32\ = "{DACFCDE5-4790-45EA-A357-A8388C6A587B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{A520D0D6-AE8D-45DB-8011-CA49D3B3E578}\NumMethods	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4732 wrote to memory of 4924	4732	regsvr32.exe	83
PID 4732 wrote to memory of 4924	4732	regsvr32.exe	83
PID 4732 wrote to memory of 4924	4732	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\CallButtons.ProxyStub.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4732
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\CallButtons.ProxyStub.dll
  2⤵
  - Modifies registry class
  PID:4924

Analysis

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Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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