db4aedb3ba2b1d5eaf62dd51b9ec0953f8e7cd7c01916a7805f46747d884f0a8

Analysis

max time kernel
41s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
28/11/2022, 02:51

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General

Target

SCSK4.dll
Size

810KB
MD5

8f77e7268aa4d98e581404bb37eca990
SHA1

1de0a2a07adfb5bd595446e80a4ba3dcd9126cf9
SHA256

de5eadf6c7b7774f4a76c327f598e28d7b744734c5bcbc225168dfdbcc61bb55
SHA512

e05be4acce4b58680ec6daf937a92a022f9e57a50139033ebebc80c6fd1af54532acf802914fd8df54921891ba9f72e74de125a8673cceb0c244c6da767ee3c1
SSDEEP

24576:xAAnKPrOq5pTcOroBZSm+oxVforPCrMbghK2:TirOopYmY+oJhK2

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F33C0534-2A50-463E-810C-04C5EC199F27}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5D6456CA-7BF7-4499-9EA1-B69051817BB3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CAEEBBAF-99EE-47C6-832F-7A3862ECB419}\TypeLib\ = "{5D6456CA-7BF7-4499-9EA1-B69051817BB3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39FC0CF9-86F3-4502-B773-D16706EDEC83}\MiscStatus\1\ = "131473"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.EventOnchar\ = "EventOnchar Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.EventOnfocus\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{28D73FB6-FE5D-4A47-A705-DBB68A6FC18D}\ = "EventOnfocus Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C1BB00CE-73B0-4E14-9F57-7276C7C6262E}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5D6456CA-7BF7-4499-9EA1-B69051817BB3}\1.0\FLAGS\ = "2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CF8E9AC3-3F0D-4B97-AE33-DF3D7B88EBAB}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.EventOnchar	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6CB8603A-9C60-4042-B7DE-8D37E3250443}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5D6456CA-7BF7-4499-9EA1-B69051817BB3}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A22E01FF-FB16-4530-8C49-33A3B5C0DAF4}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6CB8603A-9C60-4042-B7DE-8D37E3250443}\ProgID\ = "SCSK3.PassOnChange.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F33C0534-2A50-463E-810C-04C5EC199F27}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2CF161A7-12F8-4A95-86FE-C006A9BDB43A}\TypeLib\ = "{5D6456CA-7BF7-4499-9EA1-B69051817BB3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.SCSK3Ctrl.1\CLSID\ = "{39FC0CF9-86F3-4502-B773-D16706EDEC83}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{28D73FB6-FE5D-4A47-A705-DBB68A6FC18D}\TypeLib\ = "{5D6456CA-7BF7-4499-9EA1-B69051817BB3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3091D2CC-A2E2-4396-BF13-3D0DECD61B4F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CF8E9AC3-3F0D-4B97-AE33-DF3D7B88EBAB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.EventOnfocus.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F33C0534-2A50-463E-810C-04C5EC199F27}\VersionIndependentProgID\ = "SCSK3.EventOnPaste"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.EventOnfocus.1\CLSID\ = "{28D73FB6-FE5D-4A47-A705-DBB68A6FC18D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3091D2CC-A2E2-4396-BF13-3D0DECD61B4F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39FC0CF9-86F3-4502-B773-D16706EDEC83}\ProgID\ = "SCSK3.SCSK3Ctrl.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F33C0534-2A50-463E-810C-04C5EC199F27}\ = "EventOnPaste Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.PassOnChange\CurVer\ = "SCSK3.PassOnChange.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47550E46-555E-4699-8AE8-8C8CF3050541}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47550E46-555E-4699-8AE8-8C8CF3050541}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F33C0534-2A50-463E-810C-04C5EC199F27}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39FC0CF9-86F3-4502-B773-D16706EDEC83}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{28D73FB6-FE5D-4A47-A705-DBB68A6FC18D}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CF8E9AC3-3F0D-4B97-AE33-DF3D7B88EBAB}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{5D6456CA-7BF7-4499-9EA1-B69051817BB3}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{47550E46-555E-4699-8AE8-8C8CF3050541}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39FC0CF9-86F3-4502-B773-D16706EDEC83}\ = "SCSK Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F33C0534-2A50-463E-810C-04C5EC199F27}\TypeLib\ = "{5D6456CA-7BF7-4499-9EA1-B69051817BB3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAEEBBAF-99EE-47C6-832F-7A3862ECB419}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2CF161A7-12F8-4A95-86FE-C006A9BDB43A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3091D2CC-A2E2-4396-BF13-3D0DECD61B4F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3091D2CC-A2E2-4396-BF13-3D0DECD61B4F}\TypeLib\ = "{5D6456CA-7BF7-4499-9EA1-B69051817BB3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{47550E46-555E-4699-8AE8-8C8CF3050541}\ = "_DSCSK3Events"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{47550E46-555E-4699-8AE8-8C8CF3050541}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CF8E9AC3-3F0D-4B97-AE33-DF3D7B88EBAB}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.EventOnPaste.1\ = "EventOnPaste Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6CB8603A-9C60-4042-B7DE-8D37E3250443}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3091D2CC-A2E2-4396-BF13-3D0DECD61B4F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{CF8E9AC3-3F0D-4B97-AE33-DF3D7B88EBAB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6CB8603A-9C60-4042-B7DE-8D37E3250443}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2CF161A7-12F8-4A95-86FE-C006A9BDB43A}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3091D2CC-A2E2-4396-BF13-3D0DECD61B4F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.EventOnPaste.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.EventOnfocus	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.PassOnChange.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3091D2CC-A2E2-4396-BF13-3D0DECD61B4F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CF8E9AC3-3F0D-4B97-AE33-DF3D7B88EBAB}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39FC0CF9-86F3-4502-B773-D16706EDEC83}\MiscStatus\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.EventOnPaste\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3091D2CC-A2E2-4396-BF13-3D0DECD61B4F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.EventOnfocus\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SCSK3.EventOnPaste.1\CLSID\ = "{F33C0534-2A50-463E-810C-04C5EC199F27}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A22E01FF-FB16-4530-8C49-33A3B5C0DAF4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{39FC0CF9-86F3-4502-B773-D16706EDEC83}\Control\	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 892 wrote to memory of 1740	892	regsvr32.exe	28
PID 892 wrote to memory of 1740	892	regsvr32.exe	28
PID 892 wrote to memory of 1740	892	regsvr32.exe	28
PID 892 wrote to memory of 1740	892	regsvr32.exe	28
PID 892 wrote to memory of 1740	892	regsvr32.exe	28
PID 892 wrote to memory of 1740	892	regsvr32.exe	28
PID 892 wrote to memory of 1740	892	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\SCSK4.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:892
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\SCSK4.dll
  2⤵
  - Modifies registry class
  PID:1740

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/892-54-0x000007FEFBA81000-0x000007FEFBA83000-memory.dmp

Filesize
8KB

Download
memory/1740-56-0x0000000075521000-0x0000000075523000-memory.dmp

Filesize
8KB

Download
memory/1740-57-0x0000000010000000-0x00000000100D8000-memory.dmp

Filesize
864KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads