Analysis
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max time kernel
147s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
18/03/2024, 16:46
Static task
static1
Behavioral task
behavioral1
Sample
d4039cf309b3ce7aa03c2cd877c4daef.exe
Resource
win7-20240221-en
General
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Target
d4039cf309b3ce7aa03c2cd877c4daef.exe
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Size
43KB
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MD5
d4039cf309b3ce7aa03c2cd877c4daef
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SHA1
3f55e49330aa2e5f1aefa47613d74215ce917ed8
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SHA256
97e6fc28414d89bc6b059cf4baac05f0bccbaac012e50ffc1d768ad9812f3721
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SHA512
0eeac1f3a44ef558375c42f611f6896b499d9f1bb1aafa1679db03e9b01d863e9d58bed13a458bf3a9f90b297a45049090c16118263ddfb8ee9eefed5c8143f4
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SSDEEP
768:0M8tiYVAJpX56+5RTjSx078dHmPhFDRrlqE:0riYVABHiDdHQ/llqE
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0008000000023256-2.dat acprotect -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation d4039cf309b3ce7aa03c2cd877c4daef.exe -
Loads dropped DLL 1 IoCs
pid Process 4352 regsvr32.exe -
resource yara_rule behavioral2/files/0x0008000000023256-2.dat upx behavioral2/memory/4352-4-0x0000000010000000-0x000000001000B000-memory.dmp upx -
Installs/modifies Browser Helper Object 2 TTPs 4 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28F51CDA-3BD1-4F06-8F7B-2A881411983F} d4039cf309b3ce7aa03c2cd877c4daef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28F51CDA-3BD1-4F06-8F7B-2A881411983F}\ d4039cf309b3ce7aa03c2cd877c4daef.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28F51CDA-3BD1-4F06-8F7B-2A881411983F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{28F51CDA-3BD1-4F06-8F7B-2A881411983F} regsvr32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\copol.dll d4039cf309b3ce7aa03c2cd877c4daef.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 60 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28F51CDA-3BD1-4F06-8F7B-2A881411983F}\ = "BhoApp Class" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ = "IBhoApp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ = "IBhoApp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\copol.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.BhoApp\CLSID\ = "{28F51CDA-3BD1-4F06-8F7B-2A881411983F}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\TypeLib\Version = "1.0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\ = "{A8954909-1F0F-41A5-A7FA-3B376D69E226}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.BhoApp.1 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28F51CDA-3BD1-4F06-8F7B-2A881411983F}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.BhoApp.1\ = "BhoApp Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.BhoApp.1\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28F51CDA-3BD1-4F06-8F7B-2A881411983F}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28F51CDA-3BD1-4F06-8F7B-2A881411983F}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28F51CDA-3BD1-4F06-8F7B-2A881411983F}\InprocServer32\ = "C:\\Windows\\SysWow64\\copol.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.BhoApp regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.BhoApp\CurVer\ = "BhoNew.BhoApp.1" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\TypeLib\ = "{A8954909-1F0F-41A5-A7FA-3B376D69E226}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28F51CDA-3BD1-4F06-8F7B-2A881411983F}\VersionIndependentProgID\ = "BhoNew.BhoApp" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28F51CDA-3BD1-4F06-8F7B-2A881411983F}\ProgID\ = "BhoNew.BhoApp.1" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\ = "_IBhoAppEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.BhoApp\CurVer regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\ = "Type Library" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28F51CDA-3BD1-4F06-8F7B-2A881411983F} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28F51CDA-3BD1-4F06-8F7B-2A881411983F}\TypeLib\ = "{A8954909-1F0F-41A5-A7FA-3B376D69E226}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28F51CDA-3BD1-4F06-8F7B-2A881411983F}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\HELPDIR\ = "C:\\Windows\\SysWow64\\" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\ = "_IBhoAppEvents" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28F51CDA-3BD1-4F06-8F7B-2A881411983F}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{CAF9D798-C659-4B9B-8E19-EE27C3D04EE7}\TypeLib\ = "{A8954909-1F0F-41A5-A7FA-3B376D69E226}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.BhoApp.1\CLSID\ = "{28F51CDA-3BD1-4F06-8F7B-2A881411983F}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{28F51CDA-3BD1-4F06-8F7B-2A881411983F}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\TypeLib\ = "{A8954909-1F0F-41A5-A7FA-3B376D69E226}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{967A494A-6AEC-4555-9CAF-FA6EB00ACF91}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.BhoApp\ = "BhoApp Class" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\BhoNew.BhoApp\CLSID regsvr32.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2060 wrote to memory of 2812 2060 d4039cf309b3ce7aa03c2cd877c4daef.exe 95 PID 2060 wrote to memory of 2812 2060 d4039cf309b3ce7aa03c2cd877c4daef.exe 95 PID 2060 wrote to memory of 4352 2060 d4039cf309b3ce7aa03c2cd877c4daef.exe 100 PID 2060 wrote to memory of 4352 2060 d4039cf309b3ce7aa03c2cd877c4daef.exe 100 PID 2060 wrote to memory of 4352 2060 d4039cf309b3ce7aa03c2cd877c4daef.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\d4039cf309b3ce7aa03c2cd877c4daef.exe"C:\Users\Admin\AppData\Local\Temp\d4039cf309b3ce7aa03c2cd877c4daef.exe"1⤵
- Checks computer location settings
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://hotvid55.com/bind2.php?id=39135172⤵PID:2812
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C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Windows\system32\copol.dll"2⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4352
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --mojo-platform-channel-handle=3828 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:11⤵PID:1688
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --mojo-platform-channel-handle=2620 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:11⤵PID:4068
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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 --no-appcompat-clear --mojo-platform-channel-handle=3592 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵PID:1664
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --mojo-platform-channel-handle=5484 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:11⤵PID:2772
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --mojo-platform-channel-handle=5832 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:11⤵PID:4848
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=22 --mojo-platform-channel-handle=5868 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:11⤵PID:3896
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=23 --mojo-platform-channel-handle=5860 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:11⤵PID:4996
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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=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --mojo-platform-channel-handle=6004 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵PID:4052
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=25 --mojo-platform-channel-handle=5952 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:11⤵PID:2348
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=26 --mojo-platform-channel-handle=4880 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:11⤵PID:3236
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
13KB
MD5dc07aa6a5860d01e7886cc035768c025
SHA1c24faef233262ba8ccec0dd4d51a08c798be4961
SHA256116d6d4b6c6b005e89a98a07325cb897a648e1461c8fbb8d98154f1ed3feb0d9
SHA51274336720e7272cabea71b219f3ae2efc9ad382b2df532fd1d85d3c1c1c69d2bac018c95d34d7934074df2611db9544f76268449e49ee2a085bf600c348b2ccb1