Analysis
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max time kernel
12s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22/10/2024, 14:03
Static task
static1
Behavioral task
behavioral1
Sample
Sprawl.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Sprawl.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Paraffinerer.ps1
Resource
win7-20241010-en
Behavioral task
behavioral4
Sample
Paraffinerer.ps1
Resource
win10v2004-20241007-en
General
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Target
Paraffinerer.ps1
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Size
53KB
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MD5
6f2c225ff02a35f64c6157286f9e90b1
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SHA1
fdfb286088fd3cb3c3fa39f39e2e7ba48b3c6624
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SHA256
0f4caa809a6b9ad70a305958af34e60b82f3080bbb7067f316ca85702ffba443
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SHA512
c5fb4eafb4c29b774648bcec26736ad0808815d10618c95b723de9296240e6f9cbc35e90cc4439266f013810f16dde0f44a840fa928d8be2a8562cc5ac8d2eb5
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SSDEEP
1536:qBW8/PWnOQz17PFJoL9Wt34bzGFC3fm5Xa5Z9YwsklLt7:qj/PWnOa7NG9034fGQ3fmFTI7
Malware Config
Signatures
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\D: explorer.exe File opened (read-only) \??\F: explorer.exe -
pid Process 2736 powershell.exe -
Modifies registry class 9 IoCs
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Key created \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ explorer.exe Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-3350944739-639801879-157714471-1000\{32B74384-3F4B-4EB4-8C28-FD00A25222B7} explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2736 powershell.exe 2736 powershell.exe 2736 powershell.exe 2736 powershell.exe 2736 powershell.exe 2736 powershell.exe 2736 powershell.exe 2736 powershell.exe -
Suspicious use of AdjustPrivilegeToken 32 IoCs
description pid Process Token: SeDebugPrivilege 2736 powershell.exe Token: SeIncreaseQuotaPrivilege 2736 powershell.exe Token: SeSecurityPrivilege 2736 powershell.exe Token: SeTakeOwnershipPrivilege 2736 powershell.exe Token: SeLoadDriverPrivilege 2736 powershell.exe Token: SeSystemProfilePrivilege 2736 powershell.exe Token: SeSystemtimePrivilege 2736 powershell.exe Token: SeProfSingleProcessPrivilege 2736 powershell.exe Token: SeIncBasePriorityPrivilege 2736 powershell.exe Token: SeCreatePagefilePrivilege 2736 powershell.exe Token: SeBackupPrivilege 2736 powershell.exe Token: SeRestorePrivilege 2736 powershell.exe Token: SeShutdownPrivilege 2736 powershell.exe Token: SeDebugPrivilege 2736 powershell.exe Token: SeSystemEnvironmentPrivilege 2736 powershell.exe Token: SeRemoteShutdownPrivilege 2736 powershell.exe Token: SeUndockPrivilege 2736 powershell.exe Token: SeManageVolumePrivilege 2736 powershell.exe Token: 33 2736 powershell.exe Token: 34 2736 powershell.exe Token: 35 2736 powershell.exe Token: 36 2736 powershell.exe Token: SeShutdownPrivilege 4336 explorer.exe Token: SeCreatePagefilePrivilege 4336 explorer.exe Token: SeShutdownPrivilege 4336 explorer.exe Token: SeCreatePagefilePrivilege 4336 explorer.exe Token: SeShutdownPrivilege 4336 explorer.exe Token: SeCreatePagefilePrivilege 4336 explorer.exe Token: SeShutdownPrivilege 4336 explorer.exe Token: SeCreatePagefilePrivilege 4336 explorer.exe Token: SeShutdownPrivilege 4336 explorer.exe Token: SeCreatePagefilePrivilege 4336 explorer.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4336 explorer.exe 4336 explorer.exe 4336 explorer.exe 4336 explorer.exe 4336 explorer.exe 4336 explorer.exe 4336 explorer.exe -
Suspicious use of SendNotifyMessage 9 IoCs
pid Process 4336 explorer.exe 4336 explorer.exe 4336 explorer.exe 4336 explorer.exe 4336 explorer.exe 4336 explorer.exe 4336 explorer.exe 4336 explorer.exe 4336 explorer.exe
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Paraffinerer.ps11⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2736
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C:\Windows\explorer.exeexplorer.exe1⤵
- Boot or Logon Autostart Execution: Active Setup
- Enumerates connected drives
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4336
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:916
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C:\Windows\explorer.exeexplorer.exe1⤵PID:1160
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:5092
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C:\Windows\explorer.exeexplorer.exe1⤵PID:5044
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:4592
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:4132
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C:\Windows\explorer.exeexplorer.exe1⤵PID:2692
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:1696
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:2732
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C:\Windows\explorer.exeexplorer.exe1⤵PID:868
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:4192
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C:\Windows\explorer.exeexplorer.exe1⤵PID:3024
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:3612
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:4148
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C:\Windows\explorer.exeexplorer.exe1⤵PID:3380
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:4952
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:1284
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C:\Windows\explorer.exeexplorer.exe1⤵PID:3832
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:2320
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:4380
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C:\Windows\explorer.exeexplorer.exe1⤵PID:2152
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:724
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C:\Windows\explorer.exeexplorer.exe1⤵PID:4176
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:444
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:4188
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C:\Windows\explorer.exeexplorer.exe1⤵PID:5052
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:1224
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:5108
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C:\Windows\explorer.exeexplorer.exe1⤵PID:1016
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:4608
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:3624
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C:\Windows\explorer.exeexplorer.exe1⤵PID:3352
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C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca1⤵PID:3452
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C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca1⤵PID:3152
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04
Filesize471B
MD562c508511a794bcc4d6228a0b4ef61d1
SHA1b4e378c16fa898c3a2169f9fecad811becae6635
SHA2565ed56c9d8284974af69a48b972977e0fe4467995eb74e8741094cb99d8ff498a
SHA512458bfbe6ed86badb5a1ca2368828e048da6cb641c334f09943d47cd61a58e9f15f054de28e6d4289351405792a3f68ce2bff3766613149e61cca6a4ab439193d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04
Filesize412B
MD5d04c3e874a340f2f25bae8adcde19474
SHA13a01a3d917f6ff42061e3ecf4d3883a6e0bae3d3
SHA256422faeb61d62741dfc24f56778758bcd3be0634ad9b5faa961a4164de95ca4e9
SHA51288cbfa677d84940459c6121d8233932054ce892e77865d8d8a9059fb27b8db42ef69295daf6a8a24cd28869e615a09f126d9dd06f3d27491b6bc246ecf15cebc
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C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\AC\TokenBroker\Cache\fbaf94e759052658216786bfbabcdced1b67a5c2.tbres
Filesize2KB
MD5f620ee6c5778dd693867b0143c0821d1
SHA14fd63db3099df35b517a90cb5e89080a5af7a1be
SHA25635d8b9c9e5cb4f102f744f313f86721bc1f340c453540e14bd933fd07467044c
SHA51280ccf816a3d1f63a414d24b5a941c8f56bea82d3f4d125a77f41d98e613bc817ea257c7ea5219200ee54fe464b2f17eb522e6bb43fc6366b1b02ad5eeceb2b73
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C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133740796843561848.txt
Filesize75KB
MD5560aa9bfeea6925928cf89b0b8452723
SHA1d2cf1b905b037809d5a4ccd54db2bad4929ff943
SHA2565a7a751c28f85d4c73198e401e8bdf898c517cdd03e19dbbd2ddb1bb8c486ff7
SHA51207d222302925f6498fd4ee2cbda9f90fbcb57816a85818816314b043ac3e2e5b5213cd991fae62a47833cbbe80a48ff9e620715350ed05e9014fed83e3e02603
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C:\Users\Admin\AppData\Local\Packages\microsoft.windows.search_cw5n1h2txyewy\AC\Microsoft\Internet Explorer\DOMStore\1QK7O5FT\microsoft.windows[1].xml
Filesize97B
MD5d999f65105ba511b9a85c92595366aa5
SHA1acd1800ccb77d1ed5bf43fd29c05fbcdd9d14adb
SHA256626774fae7cf7de253841c4d2244fa2a50cc4a5abf5cb2d2006afd836412ba5a
SHA512c793a44c17918e30348fe2b836bfbcf0edacb4f76b99f6dc6a67d8047cfbd2079645a853500e9520b202883f8cce2433690406edf47b08cf334272df6c4c60f9
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82