f8550c4d402a490030323c4cb760ad0e9de323a8cafb07a050ee6e72423e020b

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 10:09

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General

Target

657ddc9413d404fd75eefe4733694182.exe
Size

6.3MB
MD5

657ddc9413d404fd75eefe4733694182
SHA1

4abf5664b411b3d47e65ce40dc2522ba72e97c9b
SHA256

f8550c4d402a490030323c4cb760ad0e9de323a8cafb07a050ee6e72423e020b
SHA512

3938c854b41390797f23390eff9c678607f88bbca7b1e0ca6350431b88c874718e01f44ca9fd339333b1d547579f1a30673579f2e3f482577af7e3745641b7c2
SSDEEP

196608:hr2Er2tr2Er2tr2Er2Fr2Er2tr2Er2tr2Er2P:p262N262N262V262N262N262P

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	net.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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	net.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	net.exe
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	net.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	net.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\RavMoD.exe	net.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rav.exe\Debugger = "D:\\RECYCLER\\????8.exe"	net.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe	net.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.EXE\Debugger = "D:\\RECYCLER\\????8.exe"	net.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe	net.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe\Debugger = "D:\\RECYCLER\\????8.exe"	net.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe	net.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe\Debugger = "D:\\RECYCLER\\????8.exe"	net.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe\Debugger = "D:\\RECYCLER\\????8.exe"	net.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	net.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "D:\\RECYCLER\\????8.exe"	net.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMoD.exe\Debugger = "D:\\RECYCLER\\????8.exe"	net.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe	net.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe\Debugger = "D:\\RECYCLER\\????8.exe"	net.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.EXE	net.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "D:\\RECYCLER\\????8.exe"	net.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	net.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.exe	net.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.exe\Debugger = "D:\\RECYCLER\\????8.exe"	net.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rav.exe	net.exe

Executes dropped EXE 1 IoCs

pid	Process
3796	KavUpda.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 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Option.bat	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe

Drops file in Program Files directory 19 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\createdump.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\createdump.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	657ddc9413d404fd75eefe4733694182.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\Help\HelpCat.exe	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	657ddc9413d404fd75eefe4733694182.exe
File created	C:\Windows\Sysinf.bat	657ddc9413d404fd75eefe4733694182.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 opened for modification	C:\Windows\system\KavUpda.exe	657ddc9413d404fd75eefe4733694182.exe
File created	C:\Windows\regedt32.sys	657ddc9413d404fd75eefe4733694182.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File created	C:\Windows\system\KavUpda.exe	657ddc9413d404fd75eefe4733694182.exe

Launches sc.exe 8 IoCs

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

pid	Process
1376	sc.exe
5000	sc.exe
5012	sc.exe
4592	sc.exe
2368	sc.exe
3744	sc.exe
576	sc.exe
4292	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
3000	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3796	KavUpda.exe
Token: SeIncBasePriorityPrivilege	3796	KavUpda.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe
Token: 33	3784	657ddc9413d404fd75eefe4733694182.exe
Token: SeIncBasePriorityPrivilege	3784	657ddc9413d404fd75eefe4733694182.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3784	657ddc9413d404fd75eefe4733694182.exe
3796	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 4176	3784	657ddc9413d404fd75eefe4733694182.exe	42
PID 3784 wrote to memory of 4176	3784	657ddc9413d404fd75eefe4733694182.exe	42
PID 3784 wrote to memory of 4176	3784	657ddc9413d404fd75eefe4733694182.exe	42
PID 3784 wrote to memory of 4336	3784	657ddc9413d404fd75eefe4733694182.exe	40
PID 3784 wrote to memory of 4336	3784	657ddc9413d404fd75eefe4733694182.exe	40
PID 3784 wrote to memory of 4336	3784	657ddc9413d404fd75eefe4733694182.exe	40
PID 4336 wrote to memory of 4596	4336	net.exe	39
PID 4336 wrote to memory of 4596	4336	net.exe	39
PID 4336 wrote to memory of 4596	4336	net.exe	39
PID 3784 wrote to memory of 4996	3784	657ddc9413d404fd75eefe4733694182.exe	118
PID 3784 wrote to memory of 4996	3784	657ddc9413d404fd75eefe4733694182.exe	118
PID 3784 wrote to memory of 4996	3784	657ddc9413d404fd75eefe4733694182.exe	118
PID 3784 wrote to memory of 4540	3784	657ddc9413d404fd75eefe4733694182.exe	117
PID 3784 wrote to memory of 4540	3784	657ddc9413d404fd75eefe4733694182.exe	117
PID 3784 wrote to memory of 4540	3784	657ddc9413d404fd75eefe4733694182.exe	117
PID 3784 wrote to memory of 2208	3784	657ddc9413d404fd75eefe4733694182.exe	116
PID 3784 wrote to memory of 2208	3784	657ddc9413d404fd75eefe4733694182.exe	116
PID 3784 wrote to memory of 2208	3784	657ddc9413d404fd75eefe4733694182.exe	116
PID 3784 wrote to memory of 2824	3784	657ddc9413d404fd75eefe4733694182.exe	114
PID 3784 wrote to memory of 2824	3784	657ddc9413d404fd75eefe4733694182.exe	114
PID 3784 wrote to memory of 2824	3784	657ddc9413d404fd75eefe4733694182.exe	114
PID 3784 wrote to memory of 3904	3784	657ddc9413d404fd75eefe4733694182.exe	77
PID 3784 wrote to memory of 3904	3784	657ddc9413d404fd75eefe4733694182.exe	77
PID 3784 wrote to memory of 3904	3784	657ddc9413d404fd75eefe4733694182.exe	77
PID 3784 wrote to memory of 2304	3784	657ddc9413d404fd75eefe4733694182.exe	136
PID 3784 wrote to memory of 2304	3784	657ddc9413d404fd75eefe4733694182.exe	136
PID 3784 wrote to memory of 2304	3784	657ddc9413d404fd75eefe4733694182.exe	136
PID 3784 wrote to memory of 3208	3784	657ddc9413d404fd75eefe4733694182.exe	109
PID 3784 wrote to memory of 3208	3784	657ddc9413d404fd75eefe4733694182.exe	109
PID 3784 wrote to memory of 3208	3784	657ddc9413d404fd75eefe4733694182.exe	109
PID 3784 wrote to memory of 2864	3784	657ddc9413d404fd75eefe4733694182.exe	106
PID 3784 wrote to memory of 2864	3784	657ddc9413d404fd75eefe4733694182.exe	106
PID 3784 wrote to memory of 2864	3784	657ddc9413d404fd75eefe4733694182.exe	106
PID 3784 wrote to memory of 4592	3784	657ddc9413d404fd75eefe4733694182.exe	78
PID 3784 wrote to memory of 4592	3784	657ddc9413d404fd75eefe4733694182.exe	78
PID 3784 wrote to memory of 4592	3784	657ddc9413d404fd75eefe4733694182.exe	78
PID 3784 wrote to memory of 576	3784	657ddc9413d404fd75eefe4733694182.exe	103
PID 3784 wrote to memory of 576	3784	657ddc9413d404fd75eefe4733694182.exe	103
PID 3784 wrote to memory of 576	3784	657ddc9413d404fd75eefe4733694182.exe	103
PID 3784 wrote to memory of 3744	3784	657ddc9413d404fd75eefe4733694182.exe	213
PID 3784 wrote to memory of 3744	3784	657ddc9413d404fd75eefe4733694182.exe	213
PID 3784 wrote to memory of 3744	3784	657ddc9413d404fd75eefe4733694182.exe	213
PID 3784 wrote to memory of 2368	3784	657ddc9413d404fd75eefe4733694182.exe	157
PID 3784 wrote to memory of 2368	3784	657ddc9413d404fd75eefe4733694182.exe	157
PID 3784 wrote to memory of 2368	3784	657ddc9413d404fd75eefe4733694182.exe	157
PID 3784 wrote to memory of 3000	3784	657ddc9413d404fd75eefe4733694182.exe	173
PID 3784 wrote to memory of 3000	3784	657ddc9413d404fd75eefe4733694182.exe	173
PID 3784 wrote to memory of 3000	3784	657ddc9413d404fd75eefe4733694182.exe	173
PID 2824 wrote to memory of 1056	2824	net.exe	100
PID 2824 wrote to memory of 1056	2824	net.exe	100
PID 2824 wrote to memory of 1056	2824	net.exe	100
PID 3208 wrote to memory of 4296	3208	net.exe	99
PID 3208 wrote to memory of 4296	3208	net.exe	99
PID 3208 wrote to memory of 4296	3208	net.exe	99
PID 2864 wrote to memory of 4300	2864	net.exe	98
PID 2864 wrote to memory of 4300	2864	net.exe	98
PID 2864 wrote to memory of 4300	2864	net.exe	98
PID 3784 wrote to memory of 4384	3784	657ddc9413d404fd75eefe4733694182.exe	97
PID 3784 wrote to memory of 4384	3784	657ddc9413d404fd75eefe4733694182.exe	97
PID 3784 wrote to memory of 4384	3784	657ddc9413d404fd75eefe4733694182.exe	97
PID 3784 wrote to memory of 3764	3784	657ddc9413d404fd75eefe4733694182.exe	137
PID 3784 wrote to memory of 3764	3784	657ddc9413d404fd75eefe4733694182.exe	137
PID 3784 wrote to memory of 3764	3784	657ddc9413d404fd75eefe4733694182.exe	137
PID 3904 wrote to memory of 3892	3904	cmd.exe	165

Views/modifies file attributes 1 TTPs 13 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4084	attrib.exe
3472	attrib.exe
400	attrib.exe
4164	attrib.exe
1316	attrib.exe
4860	attrib.exe
4944	attrib.exe
1844	attrib.exe
2564	attrib.exe
1652	attrib.exe
1780	attrib.exe
928	attrib.exe
2352	attrib.exe

C:\Users\Admin\AppData\Local\Temp\657ddc9413d404fd75eefe4733694182.exe
"C:\Users\Admin\AppData\Local\Temp\657ddc9413d404fd75eefe4733694182.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:3784
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4336
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
  2⤵
  PID:4176
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:3904
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:3892
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:4592
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:2368
- C:\Windows\SysWOW64\regedit.exe
  regedit.exe /s C:\Windows\regedt32.sys
  2⤵
  - Runs regedit.exe
  PID:3000
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:1320
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:3744
- 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:3796
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
    3⤵
    PID:4496
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:1980
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:2304
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:4292
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4668
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4160
- - 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:2100
- - 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:5020
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1376
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:5000
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:5012
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:1284
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:4760
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:2176
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:4308
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 10:15:31 AM C:\Windows\Sysinf.bat
    3⤵
    PID:3924
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 10:12:31 AM C:\Windows\Sysinf.bat
    3⤵
    PID:3188
- - C:\Windows\SysWOW64\At.exe
    At.exe 10:13:29 AM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:4224
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2704
  - - C:\Windows\System32\Conhost.exe
      \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
      4⤵
      PID:4292
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2400
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4164
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4040
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4348
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:4944
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:3240
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4688
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3408
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:740
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4512
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4608
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2524
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2032
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2856
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1844
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3904
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1652
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:3472
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1588
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2324
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4444
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:820
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:3592
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1192
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3892
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2352
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4384
- 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:3764
- 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:4384
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:576
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2864
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3208
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:2304
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2824
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 10:15:27 AM C:\Windows\Sysinf.bat
  2⤵
  PID:2208
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 10:12:27 AM C:\Windows\Sysinf.bat
  2⤵
  PID:4540
- C:\Windows\SysWOW64\At.exe
  At.exe 10:13:25 AM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:4996
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:3740
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:4304
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Modifies visibility of file extensions in Explorer
  - Blocks application from running via registry modification
  - Sets file execution options in registry
  PID:3000
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:1680
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:4576

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start schedule /y
1⤵
PID:4596

C:\Windows\SysWOW64\at.exe
at 10:15:27 AM C:\Windows\Sysinf.bat
1⤵
PID:4076

C:\Windows\SysWOW64\at.exe
at 10:12:27 AM C:\Windows\Sysinf.bat
1⤵
PID:4516

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start schedule /y
1⤵
PID:3968

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
1⤵
PID:460

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:4300

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:4296

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:1056

C:\Windows\SysWOW64\at.exe
at 10:15:31 AM C:\Windows\Sysinf.bat
1⤵
PID:3764

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:4084

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:2488

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:876

C:\Windows\SysWOW64\at.exe
at 10:12:31 AM C:\Windows\Sysinf.bat
1⤵
PID:4224

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:4512
- C:\Windows\SysWOW64\attrib.exe
  attrib -s -h -r C:\Autorun.inf\*.* /s /d
  2⤵
  - Views/modifies file attributes
  PID:928

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
1⤵
PID:4104

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:3944

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:2784

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:548

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:768

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:2368

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:3892

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:2176

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2564

C:\Windows\System32\WaaSMedicAgent.exe
C:\Windows\System32\WaaSMedicAgent.exe de2e83790ffc0adc7eb7200eb55de9e5 GsBSt5TbS0m+bMgErJ4Dkw.0.1.0.0.0
1⤵
PID:3744

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:460

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:1652

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
PID:3740

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:1780

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:3240

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:2564

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:1316

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:400

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:4860

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:4944

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\System\KavUpda.exe

Filesize
6.3MB

MD5
657ddc9413d404fd75eefe4733694182

SHA1
4abf5664b411b3d47e65ce40dc2522ba72e97c9b

SHA256
f8550c4d402a490030323c4cb760ad0e9de323a8cafb07a050ee6e72423e020b

SHA512
3938c854b41390797f23390eff9c678607f88bbca7b1e0ca6350431b88c874718e01f44ca9fd339333b1d547579f1a30673579f2e3f482577af7e3745641b7c2

Download Submit
C:\Windows\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

Download Submit
memory/3784-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads