35477660e8cf69cde2de4562ad647ffdd76d5075ae12e27ab83b5dec93f0696d

Analysis

max time kernel
149s
max time network
129s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 07:08

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General

Target

11c515211599e425d6f13476ad044ba6.exe
Size

1.4MB
MD5

11c515211599e425d6f13476ad044ba6
SHA1

1a213dbac5e907d8f1a98abeb82d6e97abdbffdf
SHA256

35477660e8cf69cde2de4562ad647ffdd76d5075ae12e27ab83b5dec93f0696d
SHA512

ce80657bb97b71b72312090d606351c37fcf7e792693af506c55e58d3d9341f753baaebbe92998c2b66de9ac8074b21a399ba316fd51846a6eccbd9c48578825
SSDEEP

24576:UuhaveZJ8NI8zMBeZJ8NI8zMBeZJ8NI8zMBeZJ8NI8zM6F:bd8T8T8T8fF

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\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.

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe

Sets file execution options in registry 2 TTPs 20 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
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\avp.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
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\360tray.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
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\RfwMain.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "D:\\RECYCLER\\????8.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\taskmgr.exe	regedit.exe

Executes dropped EXE 1 IoCs

pid	Process
1200	KavUpda.exe

Loads dropped DLL 2 IoCs

pid	Process
1216	11c515211599e425d6f13476ad044ba6.exe
1216	11c515211599e425d6f13476ad044ba6.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

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 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Option.bat	11c515211599e425d6f13476ad044ba6.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe
File opened for modification	C:\Windows\SysWOW64\WordRes	11c515211599e425d6f13476ad044ba6.exe
File opened for modification	C:\Windows\SysWOW64\Folderdir	11c515211599e425d6f13476ad044ba6.exe

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	11c515211599e425d6f13476ad044ba6.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	11c515211599e425d6f13476ad044ba6.exe
File opened for modification	C:\Program Files\LockMove.doc	11c515211599e425d6f13476ad044ba6.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	11c515211599e425d6f13476ad044ba6.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	11c515211599e425d6f13476ad044ba6.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	11c515211599e425d6f13476ad044ba6.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\regedt32.sys	11c515211599e425d6f13476ad044ba6.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	11c515211599e425d6f13476ad044ba6.exe
File created	C:\Windows\Sysinf.bat	11c515211599e425d6f13476ad044ba6.exe
File created	C:\Windows\Help\HelpCat.exe	11c515211599e425d6f13476ad044ba6.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File opened for modification	C:\Windows\Sysinf.bat	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	11c515211599e425d6f13476ad044ba6.exe
File opened for modification	C:\Windows\system\KavUpda.exe	11c515211599e425d6f13476ad044ba6.exe

Launches sc.exe 8 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2928	sc.exe
2952	sc.exe
2892	sc.exe
2876	sc.exe
2168	sc.exe
1088	sc.exe
3052	sc.exe
1740	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
1628	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	1200	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1200	KavUpda.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe
Token: 33	1216	11c515211599e425d6f13476ad044ba6.exe
Token: SeIncBasePriorityPrivilege	1216	11c515211599e425d6f13476ad044ba6.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1216	11c515211599e425d6f13476ad044ba6.exe
1200	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 2448	1216	11c515211599e425d6f13476ad044ba6.exe	29
PID 1216 wrote to memory of 2448	1216	11c515211599e425d6f13476ad044ba6.exe	29
PID 1216 wrote to memory of 2448	1216	11c515211599e425d6f13476ad044ba6.exe	29
PID 1216 wrote to memory of 2448	1216	11c515211599e425d6f13476ad044ba6.exe	29
PID 1216 wrote to memory of 2796	1216	11c515211599e425d6f13476ad044ba6.exe	31
PID 1216 wrote to memory of 2796	1216	11c515211599e425d6f13476ad044ba6.exe	31
PID 1216 wrote to memory of 2796	1216	11c515211599e425d6f13476ad044ba6.exe	31
PID 1216 wrote to memory of 2796	1216	11c515211599e425d6f13476ad044ba6.exe	31
PID 2796 wrote to memory of 3036	2796	net.exe	32
PID 2796 wrote to memory of 3036	2796	net.exe	32
PID 2796 wrote to memory of 3036	2796	net.exe	32
PID 2796 wrote to memory of 3036	2796	net.exe	32
PID 1216 wrote to memory of 3020	1216	11c515211599e425d6f13476ad044ba6.exe	33
PID 1216 wrote to memory of 3020	1216	11c515211599e425d6f13476ad044ba6.exe	33
PID 1216 wrote to memory of 3020	1216	11c515211599e425d6f13476ad044ba6.exe	33
PID 1216 wrote to memory of 3020	1216	11c515211599e425d6f13476ad044ba6.exe	33
PID 1216 wrote to memory of 2860	1216	11c515211599e425d6f13476ad044ba6.exe	35
PID 1216 wrote to memory of 2860	1216	11c515211599e425d6f13476ad044ba6.exe	35
PID 1216 wrote to memory of 2860	1216	11c515211599e425d6f13476ad044ba6.exe	35
PID 1216 wrote to memory of 2860	1216	11c515211599e425d6f13476ad044ba6.exe	35
PID 1216 wrote to memory of 2980	1216	11c515211599e425d6f13476ad044ba6.exe	36
PID 1216 wrote to memory of 2980	1216	11c515211599e425d6f13476ad044ba6.exe	36
PID 1216 wrote to memory of 2980	1216	11c515211599e425d6f13476ad044ba6.exe	36
PID 1216 wrote to memory of 2980	1216	11c515211599e425d6f13476ad044ba6.exe	36
PID 1216 wrote to memory of 2624	1216	11c515211599e425d6f13476ad044ba6.exe	37
PID 1216 wrote to memory of 2624	1216	11c515211599e425d6f13476ad044ba6.exe	37
PID 1216 wrote to memory of 2624	1216	11c515211599e425d6f13476ad044ba6.exe	37
PID 1216 wrote to memory of 2624	1216	11c515211599e425d6f13476ad044ba6.exe	37
PID 1216 wrote to memory of 2740	1216	11c515211599e425d6f13476ad044ba6.exe	40
PID 1216 wrote to memory of 2740	1216	11c515211599e425d6f13476ad044ba6.exe	40
PID 1216 wrote to memory of 2740	1216	11c515211599e425d6f13476ad044ba6.exe	40
PID 1216 wrote to memory of 2740	1216	11c515211599e425d6f13476ad044ba6.exe	40
PID 1216 wrote to memory of 2716	1216	11c515211599e425d6f13476ad044ba6.exe	41
PID 1216 wrote to memory of 2716	1216	11c515211599e425d6f13476ad044ba6.exe	41
PID 1216 wrote to memory of 2716	1216	11c515211599e425d6f13476ad044ba6.exe	41
PID 1216 wrote to memory of 2716	1216	11c515211599e425d6f13476ad044ba6.exe	41
PID 1216 wrote to memory of 2632	1216	11c515211599e425d6f13476ad044ba6.exe	43
PID 1216 wrote to memory of 2632	1216	11c515211599e425d6f13476ad044ba6.exe	43
PID 1216 wrote to memory of 2632	1216	11c515211599e425d6f13476ad044ba6.exe	43
PID 1216 wrote to memory of 2632	1216	11c515211599e425d6f13476ad044ba6.exe	43
PID 1216 wrote to memory of 2020	1216	11c515211599e425d6f13476ad044ba6.exe	46
PID 1216 wrote to memory of 2020	1216	11c515211599e425d6f13476ad044ba6.exe	46
PID 1216 wrote to memory of 2020	1216	11c515211599e425d6f13476ad044ba6.exe	46
PID 1216 wrote to memory of 2020	1216	11c515211599e425d6f13476ad044ba6.exe	46
PID 2860 wrote to memory of 2012	2860	cmd.exe	45
PID 2860 wrote to memory of 2012	2860	cmd.exe	45
PID 2860 wrote to memory of 2012	2860	cmd.exe	45
PID 2860 wrote to memory of 2012	2860	cmd.exe	45
PID 2980 wrote to memory of 2900	2980	cmd.exe	51
PID 2980 wrote to memory of 2900	2980	cmd.exe	51
PID 2980 wrote to memory of 2900	2980	cmd.exe	51
PID 2980 wrote to memory of 2900	2980	cmd.exe	51
PID 2716 wrote to memory of 1256	2716	net.exe	50
PID 2716 wrote to memory of 1256	2716	net.exe	50
PID 2716 wrote to memory of 1256	2716	net.exe	50
PID 2716 wrote to memory of 1256	2716	net.exe	50
PID 2624 wrote to memory of 1968	2624	net.exe	52
PID 2624 wrote to memory of 1968	2624	net.exe	52
PID 2624 wrote to memory of 1968	2624	net.exe	52
PID 2624 wrote to memory of 1968	2624	net.exe	52
PID 2020 wrote to memory of 2932	2020	net.exe	53
PID 2020 wrote to memory of 2932	2020	net.exe	53
PID 2020 wrote to memory of 2932	2020	net.exe	53
PID 2020 wrote to memory of 2932	2020	net.exe	53

Views/modifies file attributes 1 TTPs 12 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2628	attrib.exe
2944	attrib.exe
1676	attrib.exe
2136	attrib.exe
2260	attrib.exe
1664	attrib.exe
2904	attrib.exe
1408	attrib.exe
1096	attrib.exe
432	attrib.exe
2956	attrib.exe
2928	attrib.exe

C:\Users\Admin\AppData\Local\Temp\11c515211599e425d6f13476ad044ba6.exe
"C:\Users\Admin\AppData\Local\Temp\11c515211599e425d6f13476ad044ba6.exe"
1⤵
- Loads dropped DLL
- 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:1216
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\Option.bat
  2⤵
  PID:2448
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:3036
- C:\Windows\SysWOW64\At.exe
  At.exe 5:01:29 AM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:3020
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 5:00:31 AM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Windows\SysWOW64\at.exe
    at 5:00:31 AM C:\Windows\Sysinf.bat
    3⤵
    PID:2012
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 5:03:31 AM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\SysWOW64\at.exe
    at 5:03:31 AM C:\Windows\Sysinf.bat
    3⤵
    PID:2900
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2624
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:1968
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:2740
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:2904
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:1256
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:2632
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:2700
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2020
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:2932
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:2928
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:2952
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:2892
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:2876
- C:\Windows\SysWOW64\regedit.exe
  regedit.exe /s C:\Windows\regedt32.sys
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Blocks application from running via registry modification
  - Sets file execution options in registry
  - Runs regedit.exe
  PID:1628
- C:\Windows\SysWOW64\reg.exe
  C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
  2⤵
  PID:1644
- C:\Windows\SysWOW64\reg.exe
  C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Network\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
  2⤵
  PID:472
- C:\Windows\system\KavUpda.exe
  C:\Windows\system\KavUpda.exe
  2⤵
  - 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:1200
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Windows\system32\Option.bat
    3⤵
    PID:1128
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:1140
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:2488
- - C:\Windows\SysWOW64\At.exe
    At.exe 5:02:06 AM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:2972
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 5:01:08 AM C:\Windows\Sysinf.bat
    3⤵
    PID:1168
  - - C:\Windows\SysWOW64\at.exe
      at 5:01:08 AM C:\Windows\Sysinf.bat
      4⤵
      PID:2324
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 5:04:08 AM C:\Windows\Sysinf.bat
    3⤵
    PID:1432
  - - C:\Windows\SysWOW64\at.exe
      at 5:04:08 AM C:\Windows\Sysinf.bat
      4⤵
      PID:3032
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:1060
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:2368
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:2480
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:1572
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:2380
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:2232
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:1272
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:1312
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:1540
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:2044
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:2168
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:1088
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:3052
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1740
- - C:\Windows\SysWOW64\reg.exe
    C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Minimal\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
    3⤵
    PID:1696
- - C:\Windows\SysWOW64\reg.exe
    C:\Windows\system32\reg.exe delete "hklm\SYSTEM\ControlSet001\Control\SafeBoot\Network\{4D36E967-E325-11CE-BFC1-08002BE10318}" /f
    3⤵
    PID:2356
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2884
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2628
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1612
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1944
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2944
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2064
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2036
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1676
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:880
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:472
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2136
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2660
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2004
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1408
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2056
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2140
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1096
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2480
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2380
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2260
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1816
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2168
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:432
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1172
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2764
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1664
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2920
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2628
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2956
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2732
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1516
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2904
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1168
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2700
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2928
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2580
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:2404
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:2204
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:396
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:3028
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:1916
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2160
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:2008
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:2748
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:2540
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:2808

C:\Windows\system32\taskeng.exe
taskeng.exe {590DE4FE-3569-44E9-B06D-C0816DEA45EA} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:3036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Option.bat

Filesize
82B

MD5
3f7fbd2eb34892646e93fd5e6e343512

SHA1
265ac1061b54f62350fb7a5f57e566454d013a66

SHA256
e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7

SHA512
53d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140

Download Submit
C:\Windows\Sysinf.bat

Filesize
460B

MD5
7db3d565d6ddbe65a8b0e093910e7dcd

SHA1
d4804e6180c6e74ba79d3343f2f2ccb15e502f12

SHA256
a2778cb87fd88c7508ffd506a8ff8d58d0ffc02156f846956e5e99c6cb3d2f3f

SHA512
0b3d1d0f44feba9dd78903ff77fdeaea834d930990a86641fb2e4ce04da280d33f6bee0ae0b1320e4070cbe20824062e45b52e5cad797c5985d8e31dce1ef82b

Download Submit
C:\Windows\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

Download Submit
C:\Windows\system\KavUpda.exe

Filesize
1.4MB

MD5
11c515211599e425d6f13476ad044ba6

SHA1
1a213dbac5e907d8f1a98abeb82d6e97abdbffdf

SHA256
35477660e8cf69cde2de4562ad647ffdd76d5075ae12e27ab83b5dec93f0696d

SHA512
ce80657bb97b71b72312090d606351c37fcf7e792693af506c55e58d3d9341f753baaebbe92998c2b66de9ac8074b21a399ba316fd51846a6eccbd9c48578825

Download Submit
C:\Windows\system\KavUpda.exe

Filesize
1.1MB

MD5
0cb82ad7b6fd3cc1ebca8d480ed025eb

SHA1
f27952a7677d4b00cea22b31ac71f84a461c0be0

SHA256
38ca6e850e3bcdec69fffb88bef5c7a4b7732c49c572db2120919d4c3d67fc96

SHA512
2769e72562ad077905bfc23aefaab606a0f6e6845c21e738e01a01c713a4b7a83b99f40d3711bab8aa90c6d05aa596b0e56d64762b4062a0bf7b24e4574ad477

Download Submit
F:\Autorun.inf

Filesize
237B

MD5
94bcd02c5afd5918b4446345e7a5ded9

SHA1
79839238e84be225132e1382fae6333dfc4906a1

SHA256
5d9f41e4f886926dae2ed8a57807708110d3c6964ab462be21462bff0088d9a1

SHA512
149f6bd49fc3b62fa5f41666bfb3a58060514eec1b61c6aa1ac4c75417c840b028e701eb5533460eb00e2fee8543379564bc47d7477264771d81b99a0caab500

Download Submit
\Windows\system\KavUpda.exe

Filesize
1.1MB

MD5
aade846ee9c0ac5dc0407afd47ddc758

SHA1
7c37b61a94a5a78d74d6e730e15f280f7b2fc8fe

SHA256
f78641ef3339b45ac51875d8494ec60dec5c06a5a0ee5dff0468ff52ae1c0183

SHA512
b0106d9018d81e8f763a066c2cbe708ea0e18dd71c54ed77d28954ee69b70fe77fb3610ebbd630ea723e12646067cac2daa9e3fb4cd0f54f93ebb9f678b6d10f

Download Submit
\Windows\system\KavUpda.exe

Filesize
477KB

MD5
d919ced9249274e415f6379fdcfaa524

SHA1
6151798426db7e7dcccb797f673aa2bf5abafdcd

SHA256
347b003070e9c702197b8c15d30fbd23f8f5e1a1026c8dd2bcbf421555c3a7c2

SHA512
c41bc8250bbf29f6163be736fc37835063a21b7f2ad98fdea7aed7191ff9f7cc90f22df46431cb0fa494ddd6123a114224045b20e59725cca4499b3a57ee5309

Download Submit
memory/1216-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads