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Analysis
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max time kernel
151s -
max time network
159s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12/03/2024, 15:25
Static task
static1
Behavioral task
behavioral1
Sample
c3b397a379d898421c21ccf0f97742bf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c3b397a379d898421c21ccf0f97742bf.exe
Resource
win10v2004-20240226-en
General
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Target
c3b397a379d898421c21ccf0f97742bf.exe
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Size
427KB
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MD5
c3b397a379d898421c21ccf0f97742bf
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SHA1
4ebeaccd33cb4927de1f78f97c48d6fccede6b26
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SHA256
8b23957a6834faf7e399457454031a4f41591c3b49d06b84992a6a5186f767b1
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SHA512
ef5ea07e7e4e9a4f05332326f073b1796803c5fc2a8957353d66dece7b442f18be84b90ae6db18855b248217a44068be649cb080492777001aa2f3451504d6e2
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SSDEEP
6144:UZfec9EbXDk6RkpKME2EtE2EorG1VVE+IS18CRRVMMMMMM2MMMMMoE2E4:UZWtI6RkQYkuD1zRRaMMMMM2MMMMMP4
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" regedit.exe -
Blocks application from running via registry modification 17 IoCs
Adds application to list of disallowed applications.
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE" regedit.exe Set value (int) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1" regedit.exe Key created \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe" regedit.exe -
Sets file execution options in registry 2 TTPs 20 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "D:\\RECYCLER\\????8.exe" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMoD.exe\Debugger = "D:\\RECYCLER\\????8.exe" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe\Debugger = "D:\\RECYCLER\\????8.exe" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe\Debugger = "D:\\RECYCLER\\????8.exe" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.exe regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe\Debugger = "D:\\RECYCLER\\????8.exe" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.EXE regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.EXE\Debugger = "D:\\RECYCLER\\????8.exe" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe\Debugger = "D:\\RECYCLER\\????8.exe" regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.exe\Debugger = "D:\\RECYCLER\\????8.exe" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMoD.exe regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "D:\\RECYCLER\\????8.exe" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rav.exe regedit.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rav.exe\Debugger = "D:\\RECYCLER\\????8.exe" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe regedit.exe -
Executes dropped EXE 1 IoCs
pid Process 3536 KavUpda.exe -
Drops autorun.inf file 1 TTPs 2 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification F:\Autorun.inf KavUpda.exe File opened for modification C:\Autorun.inf KavUpda.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Option.bat KavUpda.exe File created C:\Windows\SysWOW64\Option.bat c3b397a379d898421c21ccf0f97742bf.exe -
Drops file in Program Files directory 30 IoCs
description ioc Process File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javap.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\idlj.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\7-Zip\7zG.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\7-Zip\7z.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\7-Zip\7zFM.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\createdump.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javac.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\dotnet\dotnet.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\createdump.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javah.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javapackager.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe c3b397a379d898421c21ccf0f97742bf.exe -
Drops file in Windows directory 10 IoCs
description ioc Process File created C:\Windows\system\KavUpda.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Windows\system\KavUpda.exe c3b397a379d898421c21ccf0f97742bf.exe File created C:\Windows\Help\HelpCat.exe c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Windows\Help\HelpCat.exe c3b397a379d898421c21ccf0f97742bf.exe File created C:\Windows\Sysinf.bat c3b397a379d898421c21ccf0f97742bf.exe File created C:\Windows\regedt32.sys c3b397a379d898421c21ccf0f97742bf.exe File opened for modification C:\Windows\Sysinf.bat KavUpda.exe File opened for modification C:\Windows\regedt32.sys KavUpda.exe File opened for modification C:\Windows\system\KavUpda.exe KavUpda.exe File created C:\Windows\regedt32.sys KavUpda.exe -
Launches sc.exe 8 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 872 sc.exe 2384 sc.exe 1264 sc.exe 5080 sc.exe 1856 sc.exe 4708 sc.exe 4080 sc.exe 3816 sc.exe -
Runs net.exe
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Runs regedit.exe 1 IoCs
pid Process 3148 regedit.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 3536 KavUpda.exe Token: SeIncBasePriorityPrivilege 3536 KavUpda.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: 33 2500 c3b397a379d898421c21ccf0f97742bf.exe Token: SeIncBasePriorityPrivilege 2500 c3b397a379d898421c21ccf0f97742bf.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2500 c3b397a379d898421c21ccf0f97742bf.exe 3536 KavUpda.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2500 wrote to memory of 804 2500 c3b397a379d898421c21ccf0f97742bf.exe 95 PID 2500 wrote to memory of 804 2500 c3b397a379d898421c21ccf0f97742bf.exe 95 PID 2500 wrote to memory of 804 2500 c3b397a379d898421c21ccf0f97742bf.exe 95 PID 2500 wrote to memory of 3752 2500 c3b397a379d898421c21ccf0f97742bf.exe 97 PID 2500 wrote to memory of 3752 2500 c3b397a379d898421c21ccf0f97742bf.exe 97 PID 2500 wrote to memory of 3752 2500 c3b397a379d898421c21ccf0f97742bf.exe 97 PID 3752 wrote to memory of 884 3752 net.exe 99 PID 3752 wrote to memory of 884 3752 net.exe 99 PID 3752 wrote to memory of 884 3752 net.exe 99 PID 2500 wrote to memory of 4852 2500 c3b397a379d898421c21ccf0f97742bf.exe 102 PID 2500 wrote to memory of 4852 2500 c3b397a379d898421c21ccf0f97742bf.exe 102 PID 2500 wrote to memory of 4852 2500 c3b397a379d898421c21ccf0f97742bf.exe 102 PID 2500 wrote to memory of 3272 2500 c3b397a379d898421c21ccf0f97742bf.exe 104 PID 2500 wrote to memory of 3272 2500 c3b397a379d898421c21ccf0f97742bf.exe 104 PID 2500 wrote to memory of 3272 2500 c3b397a379d898421c21ccf0f97742bf.exe 104 PID 2500 wrote to memory of 2576 2500 c3b397a379d898421c21ccf0f97742bf.exe 105 PID 2500 wrote to memory of 2576 2500 c3b397a379d898421c21ccf0f97742bf.exe 105 PID 2500 wrote to memory of 2576 2500 c3b397a379d898421c21ccf0f97742bf.exe 105 PID 2500 wrote to memory of 4056 2500 c3b397a379d898421c21ccf0f97742bf.exe 106 PID 2500 wrote to memory of 4056 2500 c3b397a379d898421c21ccf0f97742bf.exe 106 PID 2500 wrote to memory of 4056 2500 c3b397a379d898421c21ccf0f97742bf.exe 106 PID 2500 wrote to memory of 3232 2500 c3b397a379d898421c21ccf0f97742bf.exe 108 PID 2500 wrote to memory of 3232 2500 c3b397a379d898421c21ccf0f97742bf.exe 108 PID 2500 wrote to memory of 3232 2500 c3b397a379d898421c21ccf0f97742bf.exe 108 PID 2500 wrote to memory of 3920 2500 c3b397a379d898421c21ccf0f97742bf.exe 111 PID 2500 wrote to memory of 3920 2500 c3b397a379d898421c21ccf0f97742bf.exe 111 PID 2500 wrote to memory of 3920 2500 c3b397a379d898421c21ccf0f97742bf.exe 111 PID 2500 wrote to memory of 3192 2500 c3b397a379d898421c21ccf0f97742bf.exe 113 PID 2500 wrote to memory of 3192 2500 c3b397a379d898421c21ccf0f97742bf.exe 113 PID 2500 wrote to memory of 3192 2500 c3b397a379d898421c21ccf0f97742bf.exe 113 PID 2500 wrote to memory of 3516 2500 c3b397a379d898421c21ccf0f97742bf.exe 115 PID 2500 wrote to memory of 3516 2500 c3b397a379d898421c21ccf0f97742bf.exe 115 PID 2500 wrote to memory of 3516 2500 c3b397a379d898421c21ccf0f97742bf.exe 115 PID 2500 wrote to memory of 1264 2500 c3b397a379d898421c21ccf0f97742bf.exe 118 PID 2500 wrote to memory of 1264 2500 c3b397a379d898421c21ccf0f97742bf.exe 118 PID 2500 wrote to memory of 1264 2500 c3b397a379d898421c21ccf0f97742bf.exe 118 PID 2500 wrote to memory of 5080 2500 c3b397a379d898421c21ccf0f97742bf.exe 119 PID 2500 wrote to memory of 5080 2500 c3b397a379d898421c21ccf0f97742bf.exe 119 PID 2500 wrote to memory of 5080 2500 c3b397a379d898421c21ccf0f97742bf.exe 119 PID 2500 wrote to memory of 1856 2500 c3b397a379d898421c21ccf0f97742bf.exe 121 PID 2500 wrote to memory of 1856 2500 c3b397a379d898421c21ccf0f97742bf.exe 121 PID 2500 wrote to memory of 1856 2500 c3b397a379d898421c21ccf0f97742bf.exe 121 PID 2500 wrote to memory of 4708 2500 c3b397a379d898421c21ccf0f97742bf.exe 124 PID 2500 wrote to memory of 4708 2500 c3b397a379d898421c21ccf0f97742bf.exe 124 PID 2500 wrote to memory of 4708 2500 c3b397a379d898421c21ccf0f97742bf.exe 124 PID 4056 wrote to memory of 3588 4056 net.exe 125 PID 4056 wrote to memory of 3588 4056 net.exe 125 PID 4056 wrote to memory of 3588 4056 net.exe 125 PID 2500 wrote to memory of 3148 2500 c3b397a379d898421c21ccf0f97742bf.exe 126 PID 2500 wrote to memory of 3148 2500 c3b397a379d898421c21ccf0f97742bf.exe 126 PID 2500 wrote to memory of 3148 2500 c3b397a379d898421c21ccf0f97742bf.exe 126 PID 3232 wrote to memory of 2096 3232 net.exe 129 PID 3232 wrote to memory of 2096 3232 net.exe 129 PID 3232 wrote to memory of 2096 3232 net.exe 129 PID 3516 wrote to memory of 4572 3516 net.exe 130 PID 3516 wrote to memory of 4572 3516 net.exe 130 PID 3516 wrote to memory of 4572 3516 net.exe 130 PID 3192 wrote to memory of 4856 3192 net.exe 131 PID 3192 wrote to memory of 4856 3192 net.exe 131 PID 3192 wrote to memory of 4856 3192 net.exe 131 PID 3920 wrote to memory of 4476 3920 net.exe 132 PID 3920 wrote to memory of 4476 3920 net.exe 132 PID 3920 wrote to memory of 4476 3920 net.exe 132 PID 3272 wrote to memory of 3184 3272 cmd.exe 133 -
Views/modifies file attributes 1 TTPs 14 IoCs
pid Process 5276 attrib.exe 2452 attrib.exe 4736 attrib.exe 4420 attrib.exe 6084 attrib.exe 4956 attrib.exe 5488 attrib.exe 6068 attrib.exe 1844 attrib.exe 5384 attrib.exe 5304 attrib.exe 5240 attrib.exe 5652 attrib.exe 872 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c3b397a379d898421c21ccf0f97742bf.exe"C:\Users\Admin\AppData\Local\Temp\c3b397a379d898421c21ccf0f97742bf.exe"1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat2⤵PID:804
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C:\Windows\SysWOW64\net.exenet.exe start schedule /y2⤵
- Suspicious use of WriteProcessMemory
PID:3752 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start schedule /y3⤵PID:884
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C:\Windows\SysWOW64\At.exeAt.exe 3:28:17 PM C:\Windows\Help\HelpCat.exe2⤵PID:4852
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C:\Windows\SysWOW64\cmd.execmd /c at 3:27:19 PM C:\Windows\Sysinf.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Windows\SysWOW64\at.exeat 3:27:19 PM C:\Windows\Sysinf.bat3⤵PID:3184
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C:\Windows\SysWOW64\cmd.execmd /c at 3:30:19 PM C:\Windows\Sysinf.bat2⤵PID:2576
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C:\Windows\SysWOW64\at.exeat 3:30:19 PM C:\Windows\Sysinf.bat3⤵PID:756
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C:\Windows\SysWOW64\net.exenet.exe stop wscsvc /y2⤵
- Suspicious use of WriteProcessMemory
PID:4056 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wscsvc /y3⤵PID:3588
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C:\Windows\SysWOW64\net.exenet.exe stop sharedaccess /y2⤵
- Suspicious use of WriteProcessMemory
PID:3232 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop sharedaccess /y3⤵PID:2096
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C:\Windows\SysWOW64\net.exenet.exe stop wuauserv /y2⤵
- Suspicious use of WriteProcessMemory
PID:3920 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wuauserv /y3⤵PID:4476
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C:\Windows\SysWOW64\net.exenet.exe stop srservice /y2⤵
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop srservice /y3⤵PID:4856
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C:\Windows\SysWOW64\net.exenet.exe stop 360timeprot /y2⤵
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop 360timeprot /y3⤵PID:4572
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C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config srservice start= disabled2⤵
- Launches sc.exe
PID:1264
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C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config SharedAccess start= disabled2⤵
- Launches sc.exe
PID:5080
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C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config wscsvc start= disabled2⤵
- Launches sc.exe
PID:1856
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C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config srservice start= disabled2⤵
- Launches sc.exe
PID:4708
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C:\Windows\SysWOW64\regedit.exeregedit.exe /s C:\Windows\regedt32.sys2⤵
- Modifies visibility of file extensions in Explorer
- Blocks application from running via registry modification
- Sets file execution options in registry
- Runs regedit.exe
PID:3148
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C:\Windows\SysWOW64\reg.exeC:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f2⤵PID:1800
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C:\Windows\SysWOW64\reg.exeC:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Network\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f2⤵PID:3108
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C:\Windows\system\KavUpda.exeC:\Windows\system\KavUpda.exe2⤵
- Executes dropped EXE
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3536 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat3⤵PID:3904
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C:\Windows\SysWOW64\net.exenet.exe start schedule /y3⤵PID:4324
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start schedule /y4⤵PID:1976
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C:\Windows\SysWOW64\At.exeAt.exe 3:28:21 PM C:\Windows\Help\HelpCat.exe3⤵PID:656
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C:\Windows\SysWOW64\cmd.execmd /c at 3:27:23 PM C:\Windows\Sysinf.bat3⤵PID:1668
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C:\Windows\SysWOW64\at.exeat 3:27:23 PM C:\Windows\Sysinf.bat4⤵PID:5456
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C:\Windows\SysWOW64\cmd.execmd /c at 3:30:23 PM C:\Windows\Sysinf.bat3⤵PID:4092
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C:\Windows\SysWOW64\at.exeat 3:30:23 PM C:\Windows\Sysinf.bat4⤵PID:5464
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C:\Windows\SysWOW64\net.exenet.exe stop wscsvc /y3⤵PID:1004
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wscsvc /y4⤵PID:5232
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C:\Windows\SysWOW64\net.exenet.exe stop sharedaccess /y3⤵PID:732
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop sharedaccess /y4⤵PID:5272
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C:\Windows\SysWOW64\net.exenet.exe stop wuauserv /y3⤵PID:560
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wuauserv /y4⤵PID:5156
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C:\Windows\SysWOW64\net.exenet.exe stop srservice /y3⤵PID:180
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop srservice /y4⤵PID:5204
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C:\Windows\SysWOW64\net.exenet.exe stop 360timeprot /y3⤵PID:884
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop 360timeprot /y4⤵PID:5300
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C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config srservice start= disabled3⤵
- Launches sc.exe
PID:4080
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C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config SharedAccess start= disabled3⤵
- Launches sc.exe
PID:3816
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C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config wscsvc start= disabled3⤵
- Launches sc.exe
PID:872
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C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config srservice start= disabled3⤵
- Launches sc.exe
PID:2384
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C:\Windows\SysWOW64\reg.exeC:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f3⤵PID:1948
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C:\Windows\SysWOW64\reg.exeC:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Network\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f3⤵PID:2772
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d3⤵PID:4084
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r F:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:5488
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C:\Windows\SysWOW64\cmd.execmd /c rmdir F:\Autorun.inf /s /q3⤵PID:4852
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d3⤵PID:5520
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r C:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:5652
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C:\Windows\SysWOW64\cmd.execmd /c rmdir C:\Autorun.inf /s /q3⤵PID:5528
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d3⤵PID:5940
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r F:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:6068
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C:\Windows\SysWOW64\cmd.execmd /c rmdir F:\Autorun.inf /s /q3⤵PID:5948
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d3⤵PID:5152
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r C:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:872
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C:\Windows\SysWOW64\cmd.execmd /c rmdir C:\Autorun.inf /s /q3⤵PID:1128
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d3⤵PID:4988
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r F:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:4736
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C:\Windows\SysWOW64\cmd.execmd /c rmdir F:\Autorun.inf /s /q3⤵PID:448
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d3⤵PID:5436
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r C:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:4420
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C:\Windows\SysWOW64\cmd.execmd /c rmdir C:\Autorun.inf /s /q3⤵PID:5476
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d3⤵PID:5688
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r F:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:1844
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C:\Windows\SysWOW64\cmd.execmd /c rmdir F:\Autorun.inf /s /q3⤵PID:5692
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d3⤵PID:3132
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r C:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:6084
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C:\Windows\SysWOW64\cmd.execmd /c rmdir C:\Autorun.inf /s /q3⤵PID:2620
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d3⤵PID:2020
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r F:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:4956
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C:\Windows\SysWOW64\cmd.execmd /c rmdir F:\Autorun.inf /s /q3⤵PID:2140
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d3⤵PID:5272
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r C:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:2452
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C:\Windows\SysWOW64\cmd.execmd /c rmdir C:\Autorun.inf /s /q3⤵PID:1948
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d3⤵PID:5140
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r F:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:5384
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C:\Windows\SysWOW64\cmd.execmd /c rmdir F:\Autorun.inf /s /q3⤵PID:2964
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d3⤵PID:5568
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r C:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:5304
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C:\Windows\SysWOW64\cmd.execmd /c rmdir C:\Autorun.inf /s /q3⤵PID:5576
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d3⤵PID:6008
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r F:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:5240
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C:\Windows\SysWOW64\cmd.execmd /c rmdir F:\Autorun.inf /s /q3⤵PID:6108
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d3⤵PID:2344
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r C:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:5276
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C:\Windows\SysWOW64\cmd.execmd /c rmdir C:\Autorun.inf /s /q3⤵PID:380
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d3⤵PID:4736
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C:\Windows\SysWOW64\cmd.execmd /c rmdir F:\Autorun.inf /s /q3⤵PID:3192
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d3⤵PID:3588
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C:\Windows\SysWOW64\cmd.execmd /c rmdir C:\Autorun.inf /s /q3⤵PID:5360
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C:\Windows\SysWOW64\net.exenet.exe stop wscsvc /y2⤵PID:4856
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wscsvc /y3⤵PID:5288
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C:\Windows\SysWOW64\net.exenet.exe stop sharedaccess /y2⤵PID:2900
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop sharedaccess /y3⤵PID:5128
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C:\Windows\SysWOW64\net.exenet.exe stop wuauserv /y2⤵PID:4668
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wuauserv /y3⤵PID:5328
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C:\Windows\SysWOW64\net.exenet.exe stop srservice /y2⤵PID:4804
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop srservice /y3⤵PID:5368
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C:\Windows\SysWOW64\net.exenet.exe stop 360timeprot /y2⤵PID:864
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop 360timeprot /y3⤵PID:5348
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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=3096 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:81⤵PID:5216
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
82B
MD53f7fbd2eb34892646e93fd5e6e343512
SHA1265ac1061b54f62350fb7a5f57e566454d013a66
SHA256e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7
SHA51253d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140
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Filesize
460B
MD57db3d565d6ddbe65a8b0e093910e7dcd
SHA1d4804e6180c6e74ba79d3343f2f2ccb15e502f12
SHA256a2778cb87fd88c7508ffd506a8ff8d58d0ffc02156f846956e5e99c6cb3d2f3f
SHA5120b3d1d0f44feba9dd78903ff77fdeaea834d930990a86641fb2e4ce04da280d33f6bee0ae0b1320e4070cbe20824062e45b52e5cad797c5985d8e31dce1ef82b
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Filesize
427KB
MD5c3b397a379d898421c21ccf0f97742bf
SHA14ebeaccd33cb4927de1f78f97c48d6fccede6b26
SHA2568b23957a6834faf7e399457454031a4f41591c3b49d06b84992a6a5186f767b1
SHA512ef5ea07e7e4e9a4f05332326f073b1796803c5fc2a8957353d66dece7b442f18be84b90ae6db18855b248217a44068be649cb080492777001aa2f3451504d6e2
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Filesize
2KB
MD5e7d7ec66bd61fac3843c98650b0c68f6
SHA1a15ae06e1be51038863650746368a71024539bac
SHA2566475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8
SHA512ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6
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Filesize
237B
MD594bcd02c5afd5918b4446345e7a5ded9
SHA179839238e84be225132e1382fae6333dfc4906a1
SHA2565d9f41e4f886926dae2ed8a57807708110d3c6964ab462be21462bff0088d9a1
SHA512149f6bd49fc3b62fa5f41666bfb3a58060514eec1b61c6aa1ac4c75417c840b028e701eb5533460eb00e2fee8543379564bc47d7477264771d81b99a0caab500