7d93356ce79e5c931bc2951c4284d42fc9210c8e130ffec7833463f3d7aaaa75

Analysis

max time kernel
131s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
04/05/2024, 12:28

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General

Target

$INSTDIR"/bin/"/OpalWebKicker.dll
Size

552KB
MD5

a4bde4b2b0c5423a05fc497057a64fbb
SHA1

3f0d2862c31fe4fc018cb48ca202e87e6b15046f
SHA256

d4d980aa2ffcdb68a9984f31fa49f64bd491476a39d1169b0a5efe153a4f7f4a
SHA512

53b68a903ef916ccfa39e39b32cfba4da914879e6fea6946ced74e0320b475d5798dd297991bca1af71e63074d5611ef64c6f2e5bbb0d0de89b2f81188bd6c29
SSDEEP

12288:UMz1oPEKZG8uNEZorJ2NaInSZFt6ol9p1E+KdwFYW:D5oPJZG8qoQJaaISZaol9pi+YW

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\ProgID\ = "OpalWebKicker.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\VersionIndependentProgID\ = "OpalWebKicker"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8EC37881-8729-42FB-8763-4C2F7398187F}\InProcServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker.1\CLSID\ = "{940C9B9C-1948-44F5-8A3E-275BF892E60C}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\TypeLib\ = "{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\ = "OpalWebObj Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{FA52E4C8-68B6-49C4-BF9C-C048A8447905}\ = "OpalWebKicker"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\OpalWebKicker.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker\CLSID\ = "{940C9B9C-1948-44F5-8A3E-275BF892E60C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\AppID = "{FA52E4C8-68B6-49C4-BF9C-C048A8447905}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\OpalWebKicker.DLL\AppID = "{FA52E4C8-68B6-49C4-BF9C-C048A8447905}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000_Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8EC37881-8729-42FB-8763-4C2F7398187F}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$INSTDIR_\\bin\\_\\OpalWebKicker.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$INSTDIR_\\bin\\_\\OpalWebKicker.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\ = "IOpalWebObj"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8EC37881-8729-42FB-8763-4C2F7398187F}\ = "PSFactoryBuffer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker\CurVer\ = "OpalWebKicker.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8EC37881-8729-42FB-8763-4C2F7398187F}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\HELPDIR\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\ = "OpalWebKicker"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\TypeLib\ = "{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8EC37881-8729-42FB-8763-4C2F7398187F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{FA52E4C8-68B6-49C4-BF9C-C048A8447905}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$INSTDIR_\\bin\\_\\OpalWebKicker.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{940C9B9C-1948-44F5-8A3E-275BF892E60C}\TypeLib\ = "{81A69D74-47E3-4977-A14A-F0E8CB6A5F1B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\NumMethods	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker\ = "OpalWebObj Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\OpalWebKicker.1\ = "OpalWebObj Class"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000_Classes\WOW6432Node\Interface	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\NumMethods\ = "14"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{8EC37881-8729-42FB-8763-4C2F7398187F}\ProxyStubClsid32\ = "{8EC37881-8729-42FB-8763-4C2F7398187F}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 4532	4436	regsvr32.exe	84
PID 4436 wrote to memory of 4532	4436	regsvr32.exe	84
PID 4436 wrote to memory of 4532	4436	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$INSTDIR_\bin\_\OpalWebKicker.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$INSTDIR_\bin\_\OpalWebKicker.dll
  2⤵
  - Modifies registry class
  PID:4532

Analysis

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Malware Config

Signatures

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MITRE ATT&CK Matrix

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