051a80a2a82dd18faa9d0738c5403f3f0dbd0926e0525a445596cc6ef2d7d754

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 23:51

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General

Target

$_2_/dlcore.dll
Size

1.9MB
MD5

0ed92ed82d4d1b22fe231c177b45eac5
SHA1

d858a692e6c0a364137c4d0190816809b8c37f7f
SHA256

ad1425b8497cf8b5891adbd51371c3ceb0f977e6e417b6c3f3262e6b6f01e2fc
SHA512

8d7d60e84314ba2b5b1a9248e6ddf1f2723844ebde1953343ee5f825f1d3e30a5a9a504d028c9311f9aa82c17929c4927769b7ae6df986003b2c1aaef0be3aa1
SSDEEP

49152:JSGO70WM3G4HmQohT02dkqQsEhAtyhBFVTCzNG6TxD3mOXA:cf0WKGIQ0+QsDCO

Score

1^/10

Malware Config

Signatures

Modifies registry class 35 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{362B8108-62ED-4F80-BC1D-FE904A262CE2}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{362B8108-62ED-4F80-BC1D-FE904A262CE2}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{362B8108-62ED-4F80-BC1D-FE904A262CE2}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{B85AFBF6-2E43-4F13-8AAE-332C9A18A866}\ = "VqqSpeedDl"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VqqSpeedDl.VqqDownload.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VqqSpeedDl.VqqDownload.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF6C6F71-5822-463A-8CA1-EA496D0CA2C7}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF6C6F71-5822-463A-8CA1-EA496D0CA2C7}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\VqqSpeedDl.DLL	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VqqSpeedDl.VqqDownload\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF6C6F71-5822-463A-8CA1-EA496D0CA2C7}\ = "VqqDownload Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF6C6F71-5822-463A-8CA1-EA496D0CA2C7}\VersionIndependentProgID\ = "VqqSpeedDl.VqqDownload"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{362B8108-62ED-4F80-BC1D-FE904A262CE2}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VqqSpeedDl.VqqDownload	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF6C6F71-5822-463A-8CA1-EA496D0CA2C7}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{362B8108-62ED-4F80-BC1D-FE904A262CE2}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VqqSpeedDl.VqqDownload\CLSID\ = "{AF6C6F71-5822-463A-8CA1-EA496D0CA2C7}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF6C6F71-5822-463A-8CA1-EA496D0CA2C7}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF6C6F71-5822-463A-8CA1-EA496D0CA2C7}\TypeLib\ = "{25BD9BB7-33EC-4220-B725-56C470146288}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{362B8108-62ED-4F80-BC1D-FE904A262CE2}\1.0\HELPDIR\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{B85AFBF6-2E43-4F13-8AAE-332C9A18A866}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VqqSpeedDl.VqqDownload\CurVer\ = "VqqSpeedDl.VqqDownload.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\VqqSpeedDl.DLL\AppID = "{B85AFBF6-2E43-4F13-8AAE-332C9A18A866}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF6C6F71-5822-463A-8CA1-EA496D0CA2C7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$_2_\\dlcore.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF6C6F71-5822-463A-8CA1-EA496D0CA2C7}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{362B8108-62ED-4F80-BC1D-FE904A262CE2}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF6C6F71-5822-463A-8CA1-EA496D0CA2C7}\AppID = "{B85AFBF6-2E43-4F13-8AAE-332C9A18A866}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{362B8108-62ED-4F80-BC1D-FE904A262CE2}\1.0\ = "VqqSpeedDl 1.0 ÀàÐÍ¿â"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{362B8108-62ED-4F80-BC1D-FE904A262CE2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{362B8108-62ED-4F80-BC1D-FE904A262CE2}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$_2_\\dlcore.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VqqSpeedDl.VqqDownload.1\ = "VqqDownload Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VqqSpeedDl.VqqDownload.1\CLSID\ = "{AF6C6F71-5822-463A-8CA1-EA496D0CA2C7}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\VqqSpeedDl.VqqDownload\ = "VqqDownload Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\VqqSpeedDl.VqqDownload\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AF6C6F71-5822-463A-8CA1-EA496D0CA2C7}\ProgID\ = "VqqSpeedDl.VqqDownload.1"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 3344 wrote to memory of 1188	3344	regsvr32.exe	regsvr32.exe
PID 3344 wrote to memory of 1188	3344	regsvr32.exe	regsvr32.exe
PID 3344 wrote to memory of 1188	3344	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$_2_\dlcore.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3344

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\$_2_\dlcore.dll
2⤵
- Modifies registry class
PID:1188

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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