b4edf5687e00772fdabade28361657ea4b82c98bf6b3eaa8945c814db377e646

Analysis

max time kernel
89s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2023, 21:31

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General

Target

b4edf5687e00772fdabade28361657ea4b82c98bf6b3eaa8945c814db377e646.dll
Size

328KB
MD5

9262c1ccd3a7b44c902c48676af815e5
SHA1

5a18b09353c0fbee30e2aedfd0d71a95170bb0ee
SHA256

b4edf5687e00772fdabade28361657ea4b82c98bf6b3eaa8945c814db377e646
SHA512

77c61a8637ad7d4d821250fa03b046fcfaa51a01517a020b70540fcce3e536de15e98447609681e5a0e154159ceb4d893185a125c97c991845a3c4fb939dd98d
SSDEEP

6144:DR1vdLcjwS8dks4uPo7xnA1BWv6sv15JVL+kHNFwsogsI32LiA2Lr:1/49a1zq9NF5qO2+j

Score

1^/10

Malware Config

Signatures

Modifies registry class 60 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\ProgID\ = "WizFlvPlayer.WizFlvPlayerCtrl.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\VersionIndependentProgID\ = "WizFlvPlayer.WizFlvPlayerCtrl"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{CDC89831-E54B-4487-B7E5-E5F704A8176B}\ = "WizFlvPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WizFlvPlayer.WizFlvPlayerCtrl	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8020C9CC-D38B-4E93-863B-FBD28A8865EC}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8020C9CC-D38B-4E93-863B-FBD28A8865EC}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WizFlvPlayer.WizFlvPlayerCtrl.1\CLSID\ = "{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\ToolboxBitmap32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8020C9CC-D38B-4E93-863B-FBD28A8865EC}\1.0\HELPDIR\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}\TypeLib\ = "{8020C9CC-D38B-4E93-863B-FBD28A8865EC}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}\TypeLib\ = "{8020C9CC-D38B-4E93-863B-FBD28A8865EC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WizFlvPlayer.WizFlvPlayerCtrl.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\MiscStatus\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8020C9CC-D38B-4E93-863B-FBD28A8865EC}\1.0\ = "WizFlvPlayer 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8020C9CC-D38B-4E93-863B-FBD28A8865EC}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\TypeLib\ = "{8020C9CC-D38B-4E93-863B-FBD28A8865EC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\Control	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\WizFlvPlayer.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WizFlvPlayer.WizFlvPlayerCtrl.1\ = "WizFlvPlayerCtrl Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}\ = "IWizFlvPlayerCtrl"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8020C9CC-D38B-4E93-863B-FBD28A8865EC}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8020C9CC-D38B-4E93-863B-FBD28A8865EC}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b4edf5687e00772fdabade28361657ea4b82c98bf6b3eaa8945c814db377e646.dll, 102"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\WizFlvPlayer.DLL\AppID = "{CDC89831-E54B-4487-B7E5-E5F704A8176B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\ = "WizFlvPlayerCtrl Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{CDC89831-E54B-4487-B7E5-E5F704A8176B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8020C9CC-D38B-4E93-863B-FBD28A8865EC}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b4edf5687e00772fdabade28361657ea4b82c98bf6b3eaa8945c814db377e646.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WizFlvPlayer.WizFlvPlayerCtrl\ = "WizFlvPlayerCtrl Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\MiscStatus\1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WizFlvPlayer.WizFlvPlayerCtrl\CurVer\ = "WizFlvPlayer.WizFlvPlayerCtrl.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\MiscStatus\1\ = "131473"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8020C9CC-D38B-4E93-863B-FBD28A8865EC}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WizFlvPlayer.WizFlvPlayerCtrl\CLSID\ = "{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\AppID = "{CDC89831-E54B-4487-B7E5-E5F704A8176B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b4edf5687e00772fdabade28361657ea4b82c98bf6b3eaa8945c814db377e646.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WizFlvPlayer.WizFlvPlayerCtrl.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WizFlvPlayer.WizFlvPlayerCtrl\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\MiscStatus	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{599E54DE-23D9-4895-86F1-105360A33B9A}\ = "IWizFlvPlayerCtrl"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8020C9CC-D38B-4E93-863B-FBD28A8865EC}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WizFlvPlayer.WizFlvPlayerCtrl\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3FBB8F72-0DA0-4F63-90B8-8E740B4D2C31}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3812 wrote to memory of 4848	3812	regsvr32.exe	81
PID 3812 wrote to memory of 4848	3812	regsvr32.exe	81
PID 3812 wrote to memory of 4848	3812	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b4edf5687e00772fdabade28361657ea4b82c98bf6b3eaa8945c814db377e646.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3812
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b4edf5687e00772fdabade28361657ea4b82c98bf6b3eaa8945c814db377e646.dll
  2⤵
  - Modifies registry class
  PID:4848

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