c22c015d1e3dd874f4a317ef8903318d563d1b3a55803f66fe5e91effd9a67b8

Analysis

max time kernel
92s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
27/05/2024, 12:26

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General

Target

PrintConfig.dll
Size

2.9MB
MD5

e36b31962a3c2f863218b4638bd28b35
SHA1

fd58a53a68493e2dfd0392ca7bf889feafe17d49
SHA256

c22c015d1e3dd874f4a317ef8903318d563d1b3a55803f66fe5e91effd9a67b8
SHA512

9af104ca39c0bce864d1e0dbe7ad77f452dcfc320a4573e23f33827b62f41bdef1e013747f0eaa707a47e116cf57bf93dfd5b9a3a71f4e540789a57d6c50342a
SSDEEP

49152:PxS0ryAr4/9jISj4vosCvsZkuGB4CZz3DXZNSmygK3Xxlx3rBxz+yvPEGsrcXc5s:iAr4/9jZjZ3YGBZN7ynxzHh8

Score

1^/10

Malware Config

Signatures

Modifies registry class 57 IoCs

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{854A20FB-2D44-457D-992F-EF13785D2B51}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C3854CE3-9FDD-4249-8247-EC0574314CCC}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{91CE54EE-C67C-4B46-A4FF-99416F27A8BF}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\PrintConfig.dll\\1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95A24F08-5D9A-46F4-8B35-F9905397C741}\ = "PSFactoryBuffer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF409217-79B9-4FB3-9F9C-9C13DBCEE658}\ = "IPrintSchemaTicketInternal"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CBC361D2-B7A6-4FEB-A237-35CC98300A4A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{839BCD19-FADC-4673-9D5A-FE970B507FA3}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95A24F08-5D9A-46F4-8B35-F9905397C741}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\PrintConfig.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{839BCD19-FADC-4673-9D5A-FE970B507FA3}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}\ProgID	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000_Classes\WOW6432Node\Interface	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{95A24F08-5D9A-46F4-8B35-F9905397C741}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C3854CE3-9FDD-4249-8247-EC0574314CCC}\NumMethods\ = "4"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\PrintConfig.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}\TypeLib\ = "{91CE54EE-C67C-4B46-A4FF-99416F27A8BF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95A24F08-5D9A-46F4-8B35-F9905397C741}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CBC361D2-B7A6-4FEB-A237-35CC98300A4A}\ = "IPrintSchemaOptionInternal"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{95A24F08-5D9A-46F4-8B35-F9905397C741}\ProxyStubClsid32\ = "{95A24F08-5D9A-46F4-8B35-F9905397C741}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{95A24F08-5D9A-46F4-8B35-F9905397C741}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CBC361D2-B7A6-4FEB-A237-35CC98300A4A}\NumMethods	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF409217-79B9-4FB3-9F9C-9C13DBCEE658}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CBC361D2-B7A6-4FEB-A237-35CC98300A4A}\NumMethods\ = "4"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CBC361D2-B7A6-4FEB-A237-35CC98300A4A}\ProxyStubClsid32\ = "{95A24F08-5D9A-46F4-8B35-F9905397C741}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C3854CE3-9FDD-4249-8247-EC0574314CCC}\ProxyStubClsid32\ = "{95A24F08-5D9A-46F4-8B35-F9905397C741}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C3854CE3-9FDD-4249-8247-EC0574314CCC}\NumMethods	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}\ProgID\ = "PrintConfig.PrinterExtensionManager"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF409217-79B9-4FB3-9F9C-9C13DBCEE658}\NumMethods\ = "23"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{839BCD19-FADC-4673-9D5A-FE970B507FA3}\ProxyStubClsid32\ = "{95A24F08-5D9A-46F4-8B35-F9905397C741}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95A24F08-5D9A-46F4-8B35-F9905397C741}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{95A24F08-5D9A-46F4-8B35-F9905397C741}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{839BCD19-FADC-4673-9D5A-FE970B507FA3}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C3854CE3-9FDD-4249-8247-EC0574314CCC}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C3854CE3-9FDD-4249-8247-EC0574314CCC}\ = "IPrinterExtensionServerEventCallbackInternal"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PrintConfig.PrinterExtensionManager\ = "Printer Extension Manager Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}\ = "Printer Extension Manager Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{95A24F08-5D9A-46F4-8B35-F9905397C741}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{95A24F08-5D9A-46F4-8B35-F9905397C741}\NumMethods\ = "4"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF409217-79B9-4FB3-9F9C-9C13DBCEE658}\NumMethods	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{854A20FB-2D44-457D-992F-EF13785D2B51}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{95A24F08-5D9A-46F4-8B35-F9905397C741}\ = "IPrinterExtensionServerEventInternal"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF409217-79B9-4FB3-9F9C-9C13DBCEE658}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CBC361D2-B7A6-4FEB-A237-35CC98300A4A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{854A20FB-2D44-457D-992F-EF13785D2B51}\AppID = "{588E10FA-0618-48A1-BE2F-0AD93E899FCC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CF409217-79B9-4FB3-9F9C-9C13DBCEE658}\ProxyStubClsid32\ = "{95A24F08-5D9A-46F4-8B35-F9905397C741}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PrintConfig.PrinterExtensionManager\CLSID\ = "{331B60DA-9E90-4DD0-9C84-EAC4E659B61F}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{839BCD19-FADC-4673-9D5A-FE970B507FA3}\ = "IPrinterExtensionServerInternal"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{839BCD19-FADC-4673-9D5A-FE970B507FA3}\NumMethods\ = "6"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 2388	4492	regsvr32.exe	82
PID 4492 wrote to memory of 2388	4492	regsvr32.exe	82
PID 4492 wrote to memory of 2388	4492	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\PrintConfig.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4492
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\PrintConfig.dll
  2⤵
  - Modifies registry class
  PID:2388

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Malware Config

Signatures

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