59c995dd4d2e86e4fb4f34f353fd0b8a23f44a2774599a1e864514d0f74e6ae7

Analysis

max time kernel
125s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 12:11

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General

Target
$SYSDIR/dwsbc80.dll
Size 167KB
Sample240620-pczehs1bpr
SHA256 242934d4d92948817dd00eec4e8592f7044f5bfc7b2ad2603c826c5cea7b09e5
MD5 456b24a38b8e2d2f3303e0b4d05cc929
SHA1 3c981bbac31706cc9189605959f9eba7acbb17a7
SHA512 4476f50a9ade47c848f882b56758111d39a79e61ac62cebf09c8b8d7baaaa77767c11da6e6732caa383b372d0d8a49be116e111299f637e2ea722fa5fd978385
SSDEEP 3072:K33ebWXothdt1FFfPLyKq1YeoXijMkcI1SjX7iO1ChheO/n3hzOi:DN9LjgiiO1ChheO/n3
MD5 SHA1 SHA512 SSDEEP

Score

1^/10

Malware Config

Signatures

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\MiscStatus\1	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}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\MiscStatus\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.Advanced.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B6251B70-4401-4A2B-A482-771D388734C3}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\ = "_DDwsbcEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\TypeLib\Version = "8.0"	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.Advanced.1\ = "Advanced PropertyPage"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.MsgList.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{37273445-885F-4C35-A953-73AC3A9F93F1}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{37273445-885F-4C35-A953-73AC3A9F93F1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF054A2F-B6B5-4174-A5A9-5B016EC9BB41}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dwsbc80.RegMsg.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\Verb\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF054A2F-B6B5-4174-A5A9-5B016EC9BB41}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.MsgList.1\ = "MsgList Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.MsgList\ = "MsgList Class"	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\Dwsbc80.Subclass\CurVer\ = "Dwsbc80.Subclass.8"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\MiscStatus\1\ = "132497"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4D27FC4A-5C49-45AD-A953-644738E3081B}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.Advanced.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.Advanced\CurVer\ = "dwSbc80.Advanced.1"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\ToolboxBitmap32	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\{37273445-885F-4C35-A953-73AC3A9F93F1}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.DwsbcPropPage\CurVer\ = "Dwsbc80.DwsbcPropPage.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dwsbc80.RegMsg\ = "RegMsg Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.MsgList.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B6251B70-4401-4A2B-A482-771D388734C3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\dwsbc80.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.Subclass.8\ = "Desaware dwsbc80 v8 Subclassing Control"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\MiscStatus	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{37273445-885F-4C35-A953-73AC3A9F93F1}\TypeLib\ = "{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.Subclass.8\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.DwsbcPropPage.1\ = "DwsbcPropPage Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF054A2F-B6B5-4174-A5A9-5B016EC9BB41}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\dwsbc80.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dwsbc80.RegMsg\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dwSbc80.Advanced	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{37273445-885F-4C35-A953-73AC3A9F93F1}\ = "IDwsbcCtrl"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.DwsbcPropPage.1\CLSID\ = "{BF054A2F-B6B5-4174-A5A9-5B016EC9BB41}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BF054A2F-B6B5-4174-A5A9-5B016EC9BB41}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B6251B70-4401-4A2B-A482-771D388734C3}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Dwsbc80.DwsbcPropPage\CurVer	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\dwSbc80.Advanced\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4D4528C-B8F0-4D22-BA32-0C411E45B53C}\TypeLib\ = "{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{37273445-885F-4C35-A953-73AC3A9F93F1}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}\8.0	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
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\{B6251B70-4401-4A2B-A482-771D388734C3}\ = "MsgList Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B6251B70-4401-4A2B-A482-771D388734C3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{37273445-885F-4C35-A953-73AC3A9F93F1}\ = "IDwsbcCtrl"	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\WOW6432Node\CLSID\{446F2D1F-88B2-4928-ADCD-7B23714C00AD}\TypeLib\ = "{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4D27FC4A-5C49-45AD-A953-644738E3081B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\dwsbc80.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\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}\Control	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C8FEC666-6DE0-4B67-977C-50CBC0E61E56}\8.0\0\win32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 1016	1236	regsvr32.exe	89
PID 1236 wrote to memory of 1016	1236	regsvr32.exe	89
PID 1236 wrote to memory of 1016	1236	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\dwsbc80.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\dwsbc80.dll
  2⤵
  - Modifies registry class
  PID:1016

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4356,i,5047420736443372512,9747851268033796534,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:8
1⤵
PID:2344

Analysis

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Malware Config

Signatures

Processes

Network

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