577a7ec9e58665b9b840ce9618e2d330c065dc9a7d7b2109f52e392b77e839c4

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
20/06/2024, 03:22

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General

Target

$SYSDIR/dwsbc80.dll
Size

167KB
MD5

456b24a38b8e2d2f3303e0b4d05cc929
SHA1

3c981bbac31706cc9189605959f9eba7acbb17a7
SHA256

242934d4d92948817dd00eec4e8592f7044f5bfc7b2ad2603c826c5cea7b09e5
SHA512

4476f50a9ade47c848f882b56758111d39a79e61ac62cebf09c8b8d7baaaa77767c11da6e6732caa383b372d0d8a49be116e111299f637e2ea722fa5fd978385
SSDEEP

3072:K33ebWXothdt1FFfPLyKq1YeoXijMkcI1SjX7iO1ChheO/n3hzOi:DN9LjgiiO1ChheO/n3

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\ = "Desaware dwsbc80 v8 Subclassing Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{37273445-885F-4C35-A953-73AC3A9F93F1}\TypeLib\ = "{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\TypeLib\ = "{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.Subclass.8	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\Control	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\MiscStatus	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\Verb	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dwsbc80.RegMsg\ = "RegMsg Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.MsgList.1\CLSID\ = "{B6251B70-4401-4A2B-A482-771D388734C3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\VersionIndependentProgID\ = "Desaware dwsbc80 v8 Subclassing Control"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.DwsbcPropPage.1\ = "DwsbcPropPage Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B6251B70-4401-4A2B-A482-771D388734C3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\ = "_DDwsbcEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.Advanced	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\Verb\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\dwsbc80.dll, 1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4D27FC4A-5C49-45AD-A953-644738E3081B}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B6251B70-4401-4A2B-A482-771D388734C3}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}\8.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\dwsbc80.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.Advanced.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.MsgList.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}\8.0\FLAGS\ = "2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{37273445-885F-4C35-A953-73AC3A9F93F1}\TypeLib\Version = "8.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\ = "_DDwsbcEvents"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\Version	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.DwsbcPropPage.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.DwsbcPropPage\CurVer\ = "Dwsbc80.DwsbcPropPage.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{37273445-885F-4C35-A953-73AC3A9F93F1}\TypeLib\ = "{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{37273445-885F-4C35-A953-73AC3A9F93F1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\TypeLib\Version = "8.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.Subclass\ = "SubClass"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF054A2F-B6B5-4174-A5A9-5B016EC9BB41}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.MsgList\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}\8.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.Subclass\CurVer\ = "Dwsbc80.Subclass.8"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.MsgList.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.DwsbcPropPage\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.Subclass\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF054A2F-B6B5-4174-A5A9-5B016EC9BB41}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4D27FC4A-5C49-45AD-A953-644738E3081B}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{4D27FC4A-5C49-45AD-A953-644738E3081B}\ = "RegMsg Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{09373277-3BB4-4A54-96A5-6B4D113D82FC}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}\8.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.Subclass.8\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\TypeLib\Version = "8.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\Version\ = "8.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{BF054A2F-B6B5-4174-A5A9-5B016EC9BB41}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.Advanced\ = "Advanced PropertyPage"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{09373277-3BB4-4A54-96A5-6B4D113D82FC}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\MiscStatus\1\ = "132497"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\MiscStatus\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\TypeLib\ = "{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.DwsbcPropPage.1\CLSID\ = "{BF054A2F-B6B5-4174-A5A9-5B016EC9BB41}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 3004	2932	regsvr32.exe	28
PID 2932 wrote to memory of 3004	2932	regsvr32.exe	28
PID 2932 wrote to memory of 3004	2932	regsvr32.exe	28
PID 2932 wrote to memory of 3004	2932	regsvr32.exe	28
PID 2932 wrote to memory of 3004	2932	regsvr32.exe	28
PID 2932 wrote to memory of 3004	2932	regsvr32.exe	28
PID 2932 wrote to memory of 3004	2932	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\dwsbc80.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\dwsbc80.dll
  2⤵
  - Modifies registry class
  PID:3004

Analysis

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Malware Config

Signatures

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