Analysis
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max time kernel
125s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-09-2024 22:27
Static task
static1
Behavioral task
behavioral1
Sample
ff9f6ed7a1f136b3cb401865bfa54a87e4bd9415409ab7b4d344c89681a7f95d.dll
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
ff9f6ed7a1f136b3cb401865bfa54a87e4bd9415409ab7b4d344c89681a7f95d.dll
Resource
win10v2004-20240802-en
General
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Target
ff9f6ed7a1f136b3cb401865bfa54a87e4bd9415409ab7b4d344c89681a7f95d.dll
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Size
293KB
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MD5
7bb99d71c60fc6d11195df6272bc2646
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SHA1
73af7ac0b54d46e63f5cd82e640a38f2e1315488
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SHA256
ff9f6ed7a1f136b3cb401865bfa54a87e4bd9415409ab7b4d344c89681a7f95d
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SHA512
11cc6c5a9cc3850af15bb6781a5dd30a08e57b21088e5964e682f549e1773690a3a169a5bf62bab94b6a47c91d56dbfb3cbec35e25aaeb39b2721c50d9991655
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SSDEEP
6144:JtWFdmV8fpt2Qe+tyeSwe0tdYI1H/F8c4PW24F:rqmV8BMbD3weIDfGnPaF
Malware Config
Signatures
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Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Modifies registry class 45 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4E15CD0-F916-4C8E-830A-15E3E9D01A1B} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4E15CD0-F916-4C8E-830A-15E3E9D01A1B}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ff9f6ed7a1f136b3cb401865bfa54a87e4bd9415409ab7b4d344c89681a7f95d.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{67FB8D5D-AD60-48E4-9E02-BAADD20D1DB1}\Version regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{67FB8D5D-AD60-48E4-9E02-BAADD20D1DB1}\Version\ = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\1XdShellExt regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C}\ = "IShellContextMenu" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C}\TypeLib\ = "{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{67FB8D5D-AD60-48E4-9E02-BAADD20D1DB1}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\*\shellex\ContextMenuHandlers\1XdShellExt\ = "{B4E15CD0-F916-4C8E-830A-15E3E9D01A1B}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4E15CD0-F916-4C8E-830A-15E3E9D01A1B}\Version\ = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{67FB8D5D-AD60-48E4-9E02-BAADD20D1DB1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ff9f6ed7a1f136b3cb401865bfa54a87e4bd9415409ab7b4d344c89681a7f95d.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8}\1.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8}\1.0\0\win64\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ff9f6ed7a1f136b3cb401865bfa54a87e4bd9415409ab7b4d344c89681a7f95d.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4E15CD0-F916-4C8E-830A-15E3E9D01A1B}\Version regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C}\TypeLib\ = "{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4E15CD0-F916-4C8E-830A-15E3E9D01A1B}\ = "ShellContextMenu Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4E15CD0-F916-4C8E-830A-15E3E9D01A1B}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4E15CD0-F916-4C8E-830A-15E3E9D01A1B}\TypeLib\ = "{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{67FB8D5D-AD60-48E4-9E02-BAADD20D1DB1}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4E15CD0-F916-4C8E-830A-15E3E9D01A1B}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8}\1.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{67FB8D5D-AD60-48E4-9E02-BAADD20D1DB1}\ = "CompReg Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{67FB8D5D-AD60-48E4-9E02-BAADD20D1DB1}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8}\1.0\ = "XDShellExtHelperLib" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4E15CD0-F916-4C8E-830A-15E3E9D01A1B}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8}\1.0\0\win64 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{358AD938-2769-4A12-8551-5948D02ABC7C}\ = "IShellContextMenu" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{67FB8D5D-AD60-48E4-9E02-BAADD20D1DB1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{67FB8D5D-AD60-48E4-9E02-BAADD20D1DB1}\TypeLib\ = "{74488ED6-7DF3-4D9C-A9A5-60EAAC6437A8}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{B4E15CD0-F916-4C8E-830A-15E3E9D01A1B}\Programmable regsvr32.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ff9f6ed7a1f136b3cb401865bfa54a87e4bd9415409ab7b4d344c89681a7f95d.dll1⤵
- Modifies registry class
PID:1332
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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 --field-trial-handle=1036,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=4284 /prefetch:81⤵PID:2604