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Analysis
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max time kernel
196s -
max time network
199s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27/11/2022, 02:33
Static task
static1
Behavioral task
behavioral1
Sample
e43ccac45e02c58d44c1a33d5f00e3bb7f5c09ed795bd5b1c49fad31dd87d39d.dll
Resource
win7-20221111-en
General
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Target
e43ccac45e02c58d44c1a33d5f00e3bb7f5c09ed795bd5b1c49fad31dd87d39d.dll
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Size
778KB
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MD5
3974164c07298d7dd19484092c261aa9
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SHA1
a759c23af5c9fe9b6e9cf1ba79ddf0ae58078622
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SHA256
e43ccac45e02c58d44c1a33d5f00e3bb7f5c09ed795bd5b1c49fad31dd87d39d
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SHA512
7ce7e147b38fe9f20c0b5c3da28a1de3fcbb79b64b4ba92fefb8e73c25e437decbaa8ed5b88120500ef0f6e1d3d2507c05cadb54fcb1d1baba40d5a5ddc53a1e
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SSDEEP
24576:4zb1MlCKUQyUmjtczu6Prs9pgWoopooK9kwPMLt8F:4zbKsUmjtcdPGgIwPMLyF
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\rundll32.exe = "C:\\Windows\\SysWOW64\\rundll32.exe:*:enabled:@shell32.dll,-1" rundll32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List rundll32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile rundll32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 4584 rundll32mgr.exe -
resource yara_rule behavioral2/memory/4584-140-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4584-141-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4584-143-0x0000000000400000-0x0000000000429000-memory.dmp upx behavioral2/memory/4584-145-0x0000000000400000-0x0000000000429000-memory.dmp upx behavioral2/memory/4584-146-0x0000000000400000-0x0000000000429000-memory.dmp upx behavioral2/memory/4584-147-0x0000000000400000-0x0000000000429000-memory.dmp upx behavioral2/memory/4584-148-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\pxEB98.tmp rundll32mgr.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2928 4584 WerFault.exe 85 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4584 rundll32mgr.exe 4584 rundll32mgr.exe -
Suspicious behavior: MapViewOfSection 64 IoCs
pid Process 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe 4584 rundll32mgr.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4584 rundll32mgr.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 4584 rundll32mgr.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2076 wrote to memory of 3168 2076 rundll32.exe 83 PID 2076 wrote to memory of 3168 2076 rundll32.exe 83 PID 2076 wrote to memory of 3168 2076 rundll32.exe 83 PID 3168 wrote to memory of 4584 3168 rundll32.exe 85 PID 3168 wrote to memory of 4584 3168 rundll32.exe 85 PID 3168 wrote to memory of 4584 3168 rundll32.exe 85 PID 4584 wrote to memory of 600 4584 rundll32mgr.exe 3 PID 4584 wrote to memory of 600 4584 rundll32mgr.exe 3 PID 4584 wrote to memory of 600 4584 rundll32mgr.exe 3 PID 4584 wrote to memory of 600 4584 rundll32mgr.exe 3 PID 4584 wrote to memory of 600 4584 rundll32mgr.exe 3 PID 4584 wrote to memory of 600 4584 rundll32mgr.exe 3 PID 4584 wrote to memory of 656 4584 rundll32mgr.exe 1 PID 4584 wrote to memory of 656 4584 rundll32mgr.exe 1 PID 4584 wrote to memory of 656 4584 rundll32mgr.exe 1 PID 4584 wrote to memory of 656 4584 rundll32mgr.exe 1 PID 4584 wrote to memory of 656 4584 rundll32mgr.exe 1 PID 4584 wrote to memory of 656 4584 rundll32mgr.exe 1 PID 4584 wrote to memory of 772 4584 rundll32mgr.exe 8 PID 4584 wrote to memory of 772 4584 rundll32mgr.exe 8 PID 4584 wrote to memory of 772 4584 rundll32mgr.exe 8 PID 4584 wrote to memory of 772 4584 rundll32mgr.exe 8 PID 4584 wrote to memory of 772 4584 rundll32mgr.exe 8 PID 4584 wrote to memory of 772 4584 rundll32mgr.exe 8 PID 4584 wrote to memory of 784 4584 rundll32mgr.exe 79 PID 4584 wrote to memory of 784 4584 rundll32mgr.exe 79 PID 4584 wrote to memory of 784 4584 rundll32mgr.exe 79 PID 4584 wrote to memory of 784 4584 rundll32mgr.exe 79 PID 4584 wrote to memory of 784 4584 rundll32mgr.exe 79 PID 4584 wrote to memory of 784 4584 rundll32mgr.exe 79 PID 4584 wrote to memory of 792 4584 rundll32mgr.exe 78 PID 4584 wrote to memory of 792 4584 rundll32mgr.exe 78 PID 4584 wrote to memory of 792 4584 rundll32mgr.exe 78 PID 4584 wrote to memory of 792 4584 rundll32mgr.exe 78 PID 4584 wrote to memory of 792 4584 rundll32mgr.exe 78 PID 4584 wrote to memory of 792 4584 rundll32mgr.exe 78 PID 4584 wrote to memory of 888 4584 rundll32mgr.exe 9 PID 4584 wrote to memory of 888 4584 rundll32mgr.exe 9 PID 4584 wrote to memory of 888 4584 rundll32mgr.exe 9 PID 4584 wrote to memory of 888 4584 rundll32mgr.exe 9 PID 4584 wrote to memory of 888 4584 rundll32mgr.exe 9 PID 4584 wrote to memory of 888 4584 rundll32mgr.exe 9 PID 4584 wrote to memory of 948 4584 rundll32mgr.exe 77 PID 4584 wrote to memory of 948 4584 rundll32mgr.exe 77 PID 4584 wrote to memory of 948 4584 rundll32mgr.exe 77 PID 4584 wrote to memory of 948 4584 rundll32mgr.exe 77 PID 4584 wrote to memory of 948 4584 rundll32mgr.exe 77 PID 4584 wrote to memory of 948 4584 rundll32mgr.exe 77 PID 4584 wrote to memory of 1012 4584 rundll32mgr.exe 10 PID 4584 wrote to memory of 1012 4584 rundll32mgr.exe 10 PID 4584 wrote to memory of 1012 4584 rundll32mgr.exe 10 PID 4584 wrote to memory of 1012 4584 rundll32mgr.exe 10 PID 4584 wrote to memory of 1012 4584 rundll32mgr.exe 10 PID 4584 wrote to memory of 1012 4584 rundll32mgr.exe 10 PID 4584 wrote to memory of 528 4584 rundll32mgr.exe 11 PID 4584 wrote to memory of 528 4584 rundll32mgr.exe 11 PID 4584 wrote to memory of 528 4584 rundll32mgr.exe 11 PID 4584 wrote to memory of 528 4584 rundll32mgr.exe 11 PID 4584 wrote to memory of 528 4584 rundll32mgr.exe 11 PID 4584 wrote to memory of 528 4584 rundll32mgr.exe 11 PID 4584 wrote to memory of 708 4584 rundll32mgr.exe 12 PID 4584 wrote to memory of 708 4584 rundll32mgr.exe 12 PID 4584 wrote to memory of 708 4584 rundll32mgr.exe 12 PID 4584 wrote to memory of 708 4584 rundll32mgr.exe 12
Processes
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C:\Windows\system32\lsass.exeC:\Windows\system32\lsass.exe1⤵PID:656
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:600
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C:\Windows\system32\dwm.exe"dwm.exe"2⤵PID:1012
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"2⤵PID:792
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p1⤵PID:772
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:3444
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:3680
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:4460
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C:\Windows\system32\SppExtComObj.exeC:\Windows\system32\SppExtComObj.exe -Embedding2⤵PID:4812
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding2⤵PID:3984
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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.mca2⤵PID:3536
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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.mca2⤵PID:3376
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}2⤵PID:3276
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C:\Windows\system32\wbem\wmiprvse.exeC:\Windows\system32\wbem\wmiprvse.exe -secured -Embedding2⤵PID:2408
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C:\Windows\system32\backgroundTaskHost.exe"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca2⤵PID:100
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k RPCSS -p1⤵PID:888
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc1⤵PID:528
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts1⤵PID:708
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc1⤵PID:1192
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem1⤵PID:1448
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder1⤵PID:1680
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection1⤵PID:1956
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p1⤵PID:1724
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc1⤵PID:2472
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt1⤵PID:2556
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C:\Windows\system32\taskhostw.exetaskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}1⤵PID:2904
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k WerSvcGroup1⤵PID:2944
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4584 -ip 45842⤵PID:1636
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc1⤵PID:4128
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵PID:5064
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -s W32Time1⤵PID:3864
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc1⤵PID:2620
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵PID:3480
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵PID:4396
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager1⤵PID:4880
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc1⤵PID:2504
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:2696
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e43ccac45e02c58d44c1a33d5f00e3bb7f5c09ed795bd5b1c49fad31dd87d39d.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2076 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\e43ccac45e02c58d44c1a33d5f00e3bb7f5c09ed795bd5b1c49fad31dd87d39d.dll,#13⤵
- Modifies firewall policy service
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3168 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe4⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4584 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4584 -s 4085⤵
- Program crash
PID:2928
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc1⤵PID:2656
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService1⤵PID:2572
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks1⤵PID:2564
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C:\Windows\system32\sihost.exesihost.exe1⤵PID:2544
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer1⤵PID:2512
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C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service1⤵PID:2484
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT1⤵PID:2352
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent1⤵PID:2344
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc1⤵PID:2120
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation1⤵PID:2108
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:1632
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository1⤵PID:1984
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1880
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache1⤵PID:1868
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p1⤵PID:1804
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalService -p -s netprofm1⤵PID:1756
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s FontCache1⤵PID:1688
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc1⤵PID:1640
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s SENS1⤵PID:1604
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp1⤵PID:1508
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s Themes1⤵PID:1472
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s nsi1⤵PID:1396
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager1⤵PID:1304
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog1⤵PID:1280
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc1⤵PID:1212
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule1⤵PID:1124
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc1⤵PID:1068
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService1⤵PID:1040
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p1⤵PID:644
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM1⤵PID:948
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C:\Windows\system32\fontdrvhost.exe"fontdrvhost.exe"1⤵PID:784
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
119KB
MD5a979c6f227dcaa8187b48c02ce255991
SHA15a85d6cd0df89994e4e9ba5408f58edaeec0b659
SHA25691743a063518b5311e010124fc67e70907878458a393c48bfa9f56fdbe2edc6c
SHA512c4756abc9c40ee64898bed5e979a7cc91d01d0d574d57051153eab29b03143c63feeeb373794d01ad17810b52f937162dc266f0b4c31cd6dbfed541e1fd4299f
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Filesize
119KB
MD5a979c6f227dcaa8187b48c02ce255991
SHA15a85d6cd0df89994e4e9ba5408f58edaeec0b659
SHA25691743a063518b5311e010124fc67e70907878458a393c48bfa9f56fdbe2edc6c
SHA512c4756abc9c40ee64898bed5e979a7cc91d01d0d574d57051153eab29b03143c63feeeb373794d01ad17810b52f937162dc266f0b4c31cd6dbfed541e1fd4299f