Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
19/03/2024, 01:03
Behavioral task
behavioral1
Sample
DownloaderActiveX.dll
Resource
win7-20240221-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
DownloaderActiveX.dll
Resource
win10v2004-20240226-en
windows10-2004-x64
3 signatures
150 seconds
Behavioral task
behavioral3
Sample
index2.html
Resource
win7-20240221-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral4
Sample
index2.html
Resource
win10v2004-20240226-en
windows10-2004-x64
0 signatures
150 seconds
General
- Target DownloaderActiveX.dll
- Size 79KB
- Sample240319-bef43adh9v
- SHA256 0efa625aa3e66c7881e114eb4c2c7447080c0e508e3c7bb43d292a442fabe880
- MD5 e2b5926c917182788b6bb8f2cbbfc287
- SHA1 121d15bee70dfb435e14f0b60fc6d97af314df8d
- SHA512 6813d5bab2a134926f722ca9a33b803560e3cc295dd3a9bbecc433a620722263e94fd5bfa33d4c5ea106cd0bc61718e36d95aaae168bd910c8d7261dec6d53b1
- SSDEEP 1536:p8XCGD7ZXtDphiuV6YbXaeWaSNapVnFyDAlZwcyamqMxzxDETucB:sRXxphiuQ4SNaPFOcfHOzKucB
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/624-0-0x0000000010000000-0x0000000010041000-memory.dmp upx - Modifies registry class 64 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48}\TypeLib\ = "{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\MiscStatus\1\ = "131473" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DownloaderActiveX.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F74CB6C6-F83A-439F-AF93-8115376E587C}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\Version\ = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F74CB6C6-F83A-439F-AF93-8115376E587C}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F74CB6C6-F83A-439F-AF93-8115376E587C}\TypeLib\ = "{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1ACFFD6-514E-49DA-B4FF-30D02FEEED14}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DOWNLO~1.DLL" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DOWNLOADERACTIVEX.DownloaderActiveXCtrl.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F74CB6C6-F83A-439F-AF93-8115376E587C}\ = "_DDownloaderActiveX" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F74CB6C6-F83A-439F-AF93-8115376E587C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\ToolboxBitmap32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4BB1C10E-D349-4C48-A979-1C0E4704A7C5} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1ACFFD6-514E-49DA-B4FF-30D02FEEED14}\ = "DownloaderActiveX Property Page" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DOWNLO~1.DLL, 1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F74CB6C6-F83A-439F-AF93-8115376E587C}\TypeLib\ = "{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F74CB6C6-F83A-439F-AF93-8115376E587C}\ = "_DDownloaderActiveX" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48}\ = "_DDownloaderActiveXEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\MiscStatus\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\Control regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}\1.0\FLAGS\ = "2" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F74CB6C6-F83A-439F-AF93-8115376E587C}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F74CB6C6-F83A-439F-AF93-8115376E587C}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F74CB6C6-F83A-439F-AF93-8115376E587C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\ProgID\ = "DOWNLOADERACTIVEX.DownloaderActiveXCtrl.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\Control\ regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}\1.0\ = "DownloaderActiveX ActiveX Control module" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F74CB6C6-F83A-439F-AF93-8115376E587C}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1ACFFD6-514E-49DA-B4FF-30D02FEEED14} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\MiscStatus\1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\TypeLib\ = "{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\ = "DownloaderActiveX Control" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DOWNLOADERACTIVEX.DownloaderActiveXCtrl.1\ = "DownloaderActiveX Control" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\DOWNLOADERACTIVEX.DownloaderActiveXCtrl.1\CLSID\ = "{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\DOWNLO~1.DLL" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F74CB6C6-F83A-439F-AF93-8115376E587C}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1ACFFD6-514E-49DA-B4FF-30D02FEEED14}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\DOWNLOADERACTIVEX.DownloaderActiveXCtrl.1 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48}\ = "_DDownloaderActiveXEvents" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F74CB6C6-F83A-439F-AF93-8115376E587C}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48}\TypeLib\ = "{4BB1C10E-D349-4C48-A979-1C0E4704A7C5}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F4355BF2-0E20-4F5D-916F-A4903A883A48}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1B7E532-3ECB-4E9E-BB3A-2951FFE67C61}\MiscStatus regsvr32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1572 wrote to memory of 624 1572 regsvr32.exe 88 PID 1572 wrote to memory of 624 1572 regsvr32.exe 88 PID 1572 wrote to memory of 624 1572 regsvr32.exe 88