Analysis
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max time kernel
207s -
max time network
192s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
24-11-2022 11:40
Behavioral task
behavioral1
Sample
4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe
Resource
win10v2004-20221111-en
General
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Target
4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe
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Size
342KB
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MD5
e4f2439a84d0667fd4352f92a233b3db
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SHA1
ec0d0bb2773503517f5f9d94a27e326b84119300
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SHA256
4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993
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SHA512
06a7fc19d0b8c1cb3b6d4ec88534691e7efb947cbf9e1730671ee48f5155b4749a800f42aa304781e74b49227b437b812932c0101b017f00d935f35e185dbc12
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SSDEEP
6144:5uHOKuHOYE2E2l+lXDZJfLufs73dOk0XDpNjNOpys8r:gOXOf2eZJys73dOvXDpNjNe8r
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
Processes:
regedit.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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.
Processes:
regedit.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE" regedit.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE" regedit.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe" regedit.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE" regedit.exe -
Executes dropped EXE 1 IoCs
Processes:
KavUpda.exepid process 4816 KavUpda.exe -
Sets file execution options in registry 2 TTPs 20 IoCs
Processes:
regedit.exedescription ioc process 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\taskmgr.exe regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.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\regedit.exe\Debugger = "D:\\RECYCLER\\????8.exe" regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.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\Rfwsrv.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 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.EXE regedit.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.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 Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMoD.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 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\avp.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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "D:\\RECYCLER\\????8.exe" regedit.exe -
Processes:
resource yara_rule behavioral2/memory/1716-132-0x0000000000400000-0x0000000000440000-memory.dmp upx behavioral2/memory/1716-139-0x0000000000400000-0x0000000000440000-memory.dmp upx C:\Windows\System\KavUpda.exe upx C:\Windows\system\KavUpda.exe upx behavioral2/memory/4816-172-0x0000000000400000-0x0000000000440000-memory.dmp upx behavioral2/memory/4816-208-0x0000000000400000-0x0000000000440000-memory.dmp upx -
Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
Processes:
KavUpda.exedescription ioc process File opened for modification C:\Autorun.inf KavUpda.exe -
Drops file in System32 directory 2 IoCs
Processes:
4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exeKavUpda.exedescription ioc process File created C:\Windows\SysWOW64\Option.bat 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe File opened for modification C:\Windows\SysWOW64\Option.bat KavUpda.exe -
Drops file in Program Files directory 6 IoCs
Processes:
4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exedescription ioc process File opened for modification C:\Program Files\7-Zip\7zFM.exe 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe File opened for modification C:\Program Files\7-Zip\7zG.exe 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe File opened for modification C:\Program Files\7-Zip\Uninstall.exe 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome_proxy.exe 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe File opened for modification C:\Program Files\7-Zip\7z.exe 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe -
Drops file in Windows directory 10 IoCs
Processes:
4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exeKavUpda.exedescription ioc process File created C:\Windows\Sysinf.bat 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe File opened for modification C:\Windows\Sysinf.bat KavUpda.exe File opened for modification C:\Windows\system\KavUpda.exe KavUpda.exe File opened for modification C:\Windows\regedt32.sys KavUpda.exe File created C:\Windows\regedt32.sys KavUpda.exe File created C:\Windows\system\KavUpda.exe 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe File opened for modification C:\Windows\system\KavUpda.exe 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe File created C:\Windows\Help\HelpCat.exe 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe File opened for modification C:\Windows\Help\HelpCat.exe 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe File created C:\Windows\regedt32.sys 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe -
Launches sc.exe 8 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exesc.exesc.exesc.exesc.exesc.exesc.exesc.exepid process 4632 sc.exe 1316 sc.exe 3036 sc.exe 1172 sc.exe 3308 sc.exe 1584 sc.exe 2324 sc.exe 3144 sc.exe -
Runs net.exe
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Runs regedit.exe 1 IoCs
Processes:
regedit.exepid process 1344 regedit.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
KavUpda.exe4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exedescription pid process Token: 33 4816 KavUpda.exe Token: SeIncBasePriorityPrivilege 4816 KavUpda.exe Token: 33 4816 KavUpda.exe Token: SeIncBasePriorityPrivilege 4816 KavUpda.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: 33 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe Token: SeIncBasePriorityPrivilege 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exeKavUpda.exepid process 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe 4816 KavUpda.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exenet.execmd.execmd.exenet.exenet.exenet.exenet.exenet.exedescription pid process target process PID 1716 wrote to memory of 5112 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe cmd.exe PID 1716 wrote to memory of 5112 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe cmd.exe PID 1716 wrote to memory of 5112 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe cmd.exe PID 1716 wrote to memory of 2792 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 2792 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 2792 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 2792 wrote to memory of 1172 2792 net.exe net1.exe PID 2792 wrote to memory of 1172 2792 net.exe net1.exe PID 2792 wrote to memory of 1172 2792 net.exe net1.exe PID 1716 wrote to memory of 4804 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe At.exe PID 1716 wrote to memory of 4804 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe At.exe PID 1716 wrote to memory of 4804 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe At.exe PID 1716 wrote to memory of 3880 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe cmd.exe PID 1716 wrote to memory of 3880 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe cmd.exe PID 1716 wrote to memory of 3880 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe cmd.exe PID 1716 wrote to memory of 1608 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe cmd.exe PID 1716 wrote to memory of 1608 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe cmd.exe PID 1716 wrote to memory of 1608 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe cmd.exe PID 1716 wrote to memory of 1880 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 1880 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 1880 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1608 wrote to memory of 4836 1608 cmd.exe at.exe PID 1608 wrote to memory of 4836 1608 cmd.exe at.exe PID 1608 wrote to memory of 4836 1608 cmd.exe at.exe PID 1716 wrote to memory of 3844 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 3844 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 3844 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 4712 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 4712 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 4712 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 3880 wrote to memory of 2784 3880 cmd.exe at.exe PID 3880 wrote to memory of 2784 3880 cmd.exe at.exe PID 3880 wrote to memory of 2784 3880 cmd.exe at.exe PID 1716 wrote to memory of 3812 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 3812 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 3812 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 2300 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 2300 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1716 wrote to memory of 2300 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe net.exe PID 1880 wrote to memory of 1516 1880 net.exe net1.exe PID 1880 wrote to memory of 1516 1880 net.exe net1.exe PID 1880 wrote to memory of 1516 1880 net.exe net1.exe PID 3844 wrote to memory of 4636 3844 net.exe net1.exe PID 3844 wrote to memory of 4636 3844 net.exe net1.exe PID 3844 wrote to memory of 4636 3844 net.exe net1.exe PID 4712 wrote to memory of 2684 4712 net.exe net1.exe PID 4712 wrote to memory of 2684 4712 net.exe net1.exe PID 4712 wrote to memory of 2684 4712 net.exe net1.exe PID 3812 wrote to memory of 800 3812 net.exe net1.exe PID 3812 wrote to memory of 800 3812 net.exe net1.exe PID 3812 wrote to memory of 800 3812 net.exe net1.exe PID 2300 wrote to memory of 4652 2300 net.exe net1.exe PID 2300 wrote to memory of 4652 2300 net.exe net1.exe PID 2300 wrote to memory of 4652 2300 net.exe net1.exe PID 1716 wrote to memory of 3308 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe sc.exe PID 1716 wrote to memory of 3308 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe sc.exe PID 1716 wrote to memory of 3308 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe sc.exe PID 1716 wrote to memory of 1584 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe sc.exe PID 1716 wrote to memory of 1584 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe sc.exe PID 1716 wrote to memory of 1584 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe sc.exe PID 1716 wrote to memory of 2324 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe sc.exe PID 1716 wrote to memory of 2324 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe sc.exe PID 1716 wrote to memory of 2324 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe sc.exe PID 1716 wrote to memory of 3144 1716 4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe sc.exe -
Views/modifies file attributes 1 TTPs 4 IoCs
Processes:
attrib.exeattrib.exeattrib.exeattrib.exepid process 1292 attrib.exe 1896 attrib.exe 1512 attrib.exe 3988 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.exe"C:\Users\Admin\AppData\Local\Temp\4d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993.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:1716 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat2⤵PID:5112
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C:\Windows\SysWOW64\net.exenet.exe start schedule /y2⤵
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start schedule /y3⤵PID:1172
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C:\Windows\SysWOW64\At.exeAt.exe 5:16:51 PM C:\Windows\Help\HelpCat.exe2⤵PID:4804
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C:\Windows\SysWOW64\cmd.execmd /c at 5:16:03 PM C:\Windows\Sysinf.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3880 -
C:\Windows\SysWOW64\at.exeat 5:16:03 PM C:\Windows\Sysinf.bat3⤵PID:2784
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C:\Windows\SysWOW64\cmd.execmd /c at 5:19:03 PM C:\Windows\Sysinf.bat2⤵
- Suspicious use of WriteProcessMemory
PID:1608 -
C:\Windows\SysWOW64\at.exeat 5:19:03 PM C:\Windows\Sysinf.bat3⤵PID:4836
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C:\Windows\SysWOW64\net.exenet.exe stop wscsvc /y2⤵
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wscsvc /y3⤵PID:1516
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C:\Windows\SysWOW64\net.exenet.exe stop sharedaccess /y2⤵
- Suspicious use of WriteProcessMemory
PID:3844 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop sharedaccess /y3⤵PID:4636
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C:\Windows\SysWOW64\net.exenet.exe stop wuauserv /y2⤵
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wuauserv /y3⤵PID:2684
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C:\Windows\SysWOW64\net.exenet.exe stop srservice /y2⤵
- Suspicious use of WriteProcessMemory
PID:3812 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop srservice /y3⤵PID:800
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C:\Windows\SysWOW64\net.exenet.exe stop 360timeprot /y2⤵
- Suspicious use of WriteProcessMemory
PID:2300 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop 360timeprot /y3⤵PID:4652
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C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config srservice start= disabled2⤵
- Launches sc.exe
PID:3308 -
C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config SharedAccess start= disabled2⤵
- Launches sc.exe
PID:1584 -
C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config wscsvc start= disabled2⤵
- Launches sc.exe
PID:2324 -
C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config srservice start= disabled2⤵
- Launches sc.exe
PID:3144 -
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:1344 -
C:\Windows\SysWOW64\reg.exeC:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f2⤵PID:3816
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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:2136
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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:4816 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat3⤵PID:3560
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C:\Windows\SysWOW64\net.exenet.exe start schedule /y3⤵PID:3192
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start schedule /y4⤵PID:3980
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C:\Windows\SysWOW64\At.exeAt.exe 5:17:47 PM C:\Windows\Help\HelpCat.exe3⤵PID:1784
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C:\Windows\SysWOW64\cmd.execmd /c at 5:16:49 PM C:\Windows\Sysinf.bat3⤵PID:1932
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C:\Windows\SysWOW64\at.exeat 5:16:49 PM C:\Windows\Sysinf.bat4⤵PID:2088
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C:\Windows\SysWOW64\cmd.execmd /c at 5:19:49 PM C:\Windows\Sysinf.bat3⤵PID:2328
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C:\Windows\SysWOW64\at.exeat 5:19:49 PM C:\Windows\Sysinf.bat4⤵PID:1328
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C:\Windows\SysWOW64\net.exenet.exe stop wscsvc /y3⤵PID:384
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wscsvc /y4⤵PID:1780
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C:\Windows\SysWOW64\net.exenet.exe stop sharedaccess /y3⤵PID:1000
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop sharedaccess /y4⤵PID:3464
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C:\Windows\SysWOW64\net.exenet.exe stop wuauserv /y3⤵PID:4824
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wuauserv /y4⤵PID:2784
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C:\Windows\SysWOW64\net.exenet.exe stop srservice /y3⤵PID:3100
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop srservice /y4⤵PID:3364
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C:\Windows\SysWOW64\net.exenet.exe stop 360timeprot /y3⤵PID:2544
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop 360timeprot /y4⤵PID:4956
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C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config srservice start= disabled3⤵
- Launches sc.exe
PID:4632 -
C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config SharedAccess start= disabled3⤵
- Launches sc.exe
PID:1316 -
C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config wscsvc start= disabled3⤵
- Launches sc.exe
PID:3036 -
C:\Windows\SysWOW64\sc.exeC:\Windows\system32\sc.exe config srservice start= disabled3⤵
- Launches sc.exe
PID:1172 -
C:\Windows\SysWOW64\reg.exeC:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Network\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f3⤵PID:4068
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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:4568
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d3⤵PID:4144
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r C:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:1896 -
C:\Windows\SysWOW64\cmd.execmd /c rmdir C:\Autorun.inf /s /q3⤵PID:2644
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d3⤵PID:1364
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r C:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:1512 -
C:\Windows\SysWOW64\cmd.execmd /c rmdir C:\Autorun.inf /s /q3⤵PID:4892
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d3⤵PID:1440
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r C:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:3988 -
C:\Windows\SysWOW64\cmd.execmd /c rmdir C:\Autorun.inf /s /q3⤵PID:1880
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C:\Windows\SysWOW64\cmd.execmd /c rmdir C:\Autorun.inf /s /q3⤵PID:4692
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C:\Windows\SysWOW64\cmd.execmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d3⤵PID:1728
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C:\Windows\SysWOW64\attrib.exeattrib -s -h -r C:\Autorun.inf\*.* /s /d4⤵
- Views/modifies file attributes
PID:1292 -
C:\Windows\SysWOW64\net.exenet.exe stop sharedaccess /y2⤵PID:924
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop sharedaccess /y3⤵PID:2588
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C:\Windows\SysWOW64\net.exenet.exe stop srservice /y2⤵PID:4040
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop srservice /y3⤵PID:4584
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C:\Windows\SysWOW64\net.exenet.exe stop wuauserv /y2⤵PID:4440
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wuauserv /y3⤵PID:3972
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C:\Windows\SysWOW64\net.exenet.exe stop wscsvc /y2⤵PID:4840
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop wscsvc /y3⤵PID:3928
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C:\Windows\SysWOW64\net.exenet.exe stop 360timeprot /y2⤵PID:1140
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C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop 360timeprot /y3⤵PID:4160
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
82B
MD53f7fbd2eb34892646e93fd5e6e343512
SHA1265ac1061b54f62350fb7a5f57e566454d013a66
SHA256e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7
SHA51253d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140
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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
342KB
MD5e4f2439a84d0667fd4352f92a233b3db
SHA1ec0d0bb2773503517f5f9d94a27e326b84119300
SHA2564d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993
SHA51206a7fc19d0b8c1cb3b6d4ec88534691e7efb947cbf9e1730671ee48f5155b4749a800f42aa304781e74b49227b437b812932c0101b017f00d935f35e185dbc12
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Filesize
2KB
MD5e7d7ec66bd61fac3843c98650b0c68f6
SHA1a15ae06e1be51038863650746368a71024539bac
SHA2566475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8
SHA512ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6
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Filesize
342KB
MD5e4f2439a84d0667fd4352f92a233b3db
SHA1ec0d0bb2773503517f5f9d94a27e326b84119300
SHA2564d0f46353cd161dfede3d3db6ea1a03af69e71f8f7c85e3a2d33fab6b36d3993
SHA51206a7fc19d0b8c1cb3b6d4ec88534691e7efb947cbf9e1730671ee48f5155b4749a800f42aa304781e74b49227b437b812932c0101b017f00d935f35e185dbc12