9fd78319d8358200dc3f3976549606393c3ac23c750916d441c773a7ac3e83f4

Analysis

max time kernel
75s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 23:34

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General

Target

3b5925c1ef58f583492f787565f3931e.exe
Size

886KB
MD5

3b5925c1ef58f583492f787565f3931e
SHA1

6580362697ca8edda8abb35fa3c3f896c215f41d
SHA256

9fd78319d8358200dc3f3976549606393c3ac23c750916d441c773a7ac3e83f4
SHA512

2f8f0306cdbaf4157194598b766863978b630a04eba0ff0a4c713de46288369b2d41dce0bea67b00c023dd9ccf13ed1bc2ca787ceaeac84157bf9f699c8ab1cd
SSDEEP

12288:UZWtI6RkdOB0vOB0vwOjOB0vOB0vdYiZKTKwm:UuhadOWOA9OWOAdETKwm

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-1-5-21-3818056530-936619650-3554021955-1000\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
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.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
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
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\RavMoD.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.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
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\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe	regedit.exe
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\360tray.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
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\KAVStart.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

Executes dropped EXE 1 IoCs

pid	Process
1044	KavUpda.exe

Loads dropped DLL 2 IoCs

pid	Process
2180	3b5925c1ef58f583492f787565f3931e.exe
2180	3b5925c1ef58f583492f787565f3931e.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 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Option.bat	3b5925c1ef58f583492f787565f3931e.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe
File opened for modification	C:\Windows\SysWOW64\Folderdir	3b5925c1ef58f583492f787565f3931e.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	3b5925c1ef58f583492f787565f3931e.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	3b5925c1ef58f583492f787565f3931e.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	3b5925c1ef58f583492f787565f3931e.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	3b5925c1ef58f583492f787565f3931e.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	3b5925c1ef58f583492f787565f3931e.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\KavUpda.exe	3b5925c1ef58f583492f787565f3931e.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	3b5925c1ef58f583492f787565f3931e.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\system\KavUpda.exe	3b5925c1ef58f583492f787565f3931e.exe
File created	C:\Windows\Help\HelpCat.exe	3b5925c1ef58f583492f787565f3931e.exe
File created	C:\Windows\Sysinf.bat	3b5925c1ef58f583492f787565f3931e.exe
File created	C:\Windows\regedt32.sys	3b5925c1ef58f583492f787565f3931e.exe
File opened for modification	C:\Windows\regedt32.sys	KavUpda.exe

Launches sc.exe 8 IoCs

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

pid	Process
1048	sc.exe
112	sc.exe
2444	sc.exe
412	sc.exe
1292	sc.exe
2928	sc.exe
2888	sc.exe
2660	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
2548	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: 33	2180	3b5925c1ef58f583492f787565f3931e.exe
Token: SeIncBasePriorityPrivilege	2180	3b5925c1ef58f583492f787565f3931e.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2180	3b5925c1ef58f583492f787565f3931e.exe
1044	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2992	2180	3b5925c1ef58f583492f787565f3931e.exe	18
PID 2180 wrote to memory of 2992	2180	3b5925c1ef58f583492f787565f3931e.exe	18
PID 2180 wrote to memory of 2992	2180	3b5925c1ef58f583492f787565f3931e.exe	18
PID 2180 wrote to memory of 2992	2180	3b5925c1ef58f583492f787565f3931e.exe	18
PID 2180 wrote to memory of 2124	2180	3b5925c1ef58f583492f787565f3931e.exe	16
PID 2180 wrote to memory of 2124	2180	3b5925c1ef58f583492f787565f3931e.exe	16
PID 2180 wrote to memory of 2124	2180	3b5925c1ef58f583492f787565f3931e.exe	16
PID 2180 wrote to memory of 2124	2180	3b5925c1ef58f583492f787565f3931e.exe	16
PID 2124 wrote to memory of 2212	2124	net.exe	14
PID 2124 wrote to memory of 2212	2124	net.exe	14
PID 2124 wrote to memory of 2212	2124	net.exe	14
PID 2124 wrote to memory of 2212	2124	net.exe	14
PID 2180 wrote to memory of 2740	2180	3b5925c1ef58f583492f787565f3931e.exe	74
PID 2180 wrote to memory of 2740	2180	3b5925c1ef58f583492f787565f3931e.exe	74
PID 2180 wrote to memory of 2740	2180	3b5925c1ef58f583492f787565f3931e.exe	74
PID 2180 wrote to memory of 2740	2180	3b5925c1ef58f583492f787565f3931e.exe	74
PID 2180 wrote to memory of 3008	2180	3b5925c1ef58f583492f787565f3931e.exe	73
PID 2180 wrote to memory of 3008	2180	3b5925c1ef58f583492f787565f3931e.exe	73
PID 2180 wrote to memory of 3008	2180	3b5925c1ef58f583492f787565f3931e.exe	73
PID 2180 wrote to memory of 3008	2180	3b5925c1ef58f583492f787565f3931e.exe	73
PID 2180 wrote to memory of 2720	2180	3b5925c1ef58f583492f787565f3931e.exe	71
PID 2180 wrote to memory of 2720	2180	3b5925c1ef58f583492f787565f3931e.exe	71
PID 2180 wrote to memory of 2720	2180	3b5925c1ef58f583492f787565f3931e.exe	71
PID 2180 wrote to memory of 2720	2180	3b5925c1ef58f583492f787565f3931e.exe	71
PID 2180 wrote to memory of 2772	2180	3b5925c1ef58f583492f787565f3931e.exe	69
PID 2180 wrote to memory of 2772	2180	3b5925c1ef58f583492f787565f3931e.exe	69
PID 2180 wrote to memory of 2772	2180	3b5925c1ef58f583492f787565f3931e.exe	69
PID 2180 wrote to memory of 2772	2180	3b5925c1ef58f583492f787565f3931e.exe	69
PID 2180 wrote to memory of 2852	2180	3b5925c1ef58f583492f787565f3931e.exe	67
PID 2180 wrote to memory of 2852	2180	3b5925c1ef58f583492f787565f3931e.exe	67
PID 2180 wrote to memory of 2852	2180	3b5925c1ef58f583492f787565f3931e.exe	67
PID 2180 wrote to memory of 2852	2180	3b5925c1ef58f583492f787565f3931e.exe	67
PID 2180 wrote to memory of 2608	2180	3b5925c1ef58f583492f787565f3931e.exe	65
PID 2180 wrote to memory of 2608	2180	3b5925c1ef58f583492f787565f3931e.exe	65
PID 2180 wrote to memory of 2608	2180	3b5925c1ef58f583492f787565f3931e.exe	65
PID 2180 wrote to memory of 2608	2180	3b5925c1ef58f583492f787565f3931e.exe	65
PID 2180 wrote to memory of 2508	2180	3b5925c1ef58f583492f787565f3931e.exe	63
PID 2180 wrote to memory of 2508	2180	3b5925c1ef58f583492f787565f3931e.exe	63
PID 2180 wrote to memory of 2508	2180	3b5925c1ef58f583492f787565f3931e.exe	63
PID 2180 wrote to memory of 2508	2180	3b5925c1ef58f583492f787565f3931e.exe	63
PID 3008 wrote to memory of 2188	3008	cmd.exe	60
PID 3008 wrote to memory of 2188	3008	cmd.exe	60
PID 3008 wrote to memory of 2188	3008	cmd.exe	60
PID 3008 wrote to memory of 2188	3008	cmd.exe	60
PID 2180 wrote to memory of 2588	2180	3b5925c1ef58f583492f787565f3931e.exe	59
PID 2180 wrote to memory of 2588	2180	3b5925c1ef58f583492f787565f3931e.exe	59
PID 2180 wrote to memory of 2588	2180	3b5925c1ef58f583492f787565f3931e.exe	59
PID 2180 wrote to memory of 2588	2180	3b5925c1ef58f583492f787565f3931e.exe	59
PID 2772 wrote to memory of 2616	2772	net.exe	58
PID 2772 wrote to memory of 2616	2772	net.exe	58
PID 2772 wrote to memory of 2616	2772	net.exe	58
PID 2772 wrote to memory of 2616	2772	net.exe	58
PID 2852 wrote to memory of 2516	2852	net.exe	56
PID 2852 wrote to memory of 2516	2852	net.exe	56
PID 2852 wrote to memory of 2516	2852	net.exe	56
PID 2852 wrote to memory of 2516	2852	net.exe	56
PID 2180 wrote to memory of 2660	2180	3b5925c1ef58f583492f787565f3931e.exe	57
PID 2180 wrote to memory of 2660	2180	3b5925c1ef58f583492f787565f3931e.exe	57
PID 2180 wrote to memory of 2660	2180	3b5925c1ef58f583492f787565f3931e.exe	57
PID 2180 wrote to memory of 2660	2180	3b5925c1ef58f583492f787565f3931e.exe	57
PID 2720 wrote to memory of 1332	2720	cmd.exe	54
PID 2720 wrote to memory of 1332	2720	cmd.exe	54
PID 2720 wrote to memory of 1332	2720	cmd.exe	54
PID 2720 wrote to memory of 1332	2720	cmd.exe	54

Views/modifies file attributes 1 TTPs 16 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2364	attrib.exe
1664	attrib.exe
2112	attrib.exe
1604	attrib.exe
556	attrib.exe
1036	attrib.exe
296	attrib.exe
2692	attrib.exe
2800	attrib.exe
2700	attrib.exe
2936	attrib.exe
2608	attrib.exe
2540	attrib.exe
860	attrib.exe
1636	attrib.exe
2552	attrib.exe

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start schedule /y
1⤵
PID:2212

C:\Windows\SysWOW64\net.exe
net.exe start schedule /y
1⤵
- Suspicious use of WriteProcessMemory
PID:2124

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Windows\system32\Option.bat
1⤵
PID:2992

C:\Users\Admin\AppData\Local\Temp\3b5925c1ef58f583492f787565f3931e.exe
"C:\Users\Admin\AppData\Local\Temp\3b5925c1ef58f583492f787565f3931e.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:2180
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:1292
- 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:2548
- 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:1844
- 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:2500
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:2928
- 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 SetWindowsHookEx
  PID:1044
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1800
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2128
- - 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:2532
- - 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:916
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1048
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:112
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:2444
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:412
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:532
- - 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:2052
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:2016
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:2316
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 1:17:47 AM C:\Windows\Sysinf.bat
    3⤵
    PID:1832
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 1:14:47 AM C:\Windows\Sysinf.bat
    3⤵
    PID:1700
- - C:\Windows\SysWOW64\At.exe
    At.exe 1:15:45 AM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:1824
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1288
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1788
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2652
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2660
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2504
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2540
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1232
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1984
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2932
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2748
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:860
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1204
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:3036
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:684
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2556
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2796
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:852
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1512
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:112
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:952
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1632
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1816
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2780
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1296
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2644
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2632
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1844
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1976
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1716
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2196
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:3036
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:568
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:2888
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:2660
- - C:\Windows\SysWOW64\attrib.exe
    attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    - Views/modifies file attributes
    PID:2608
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:2588
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:2508
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:2608
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2852
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2772
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 1:17:44 AM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2720
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 1:14:44 AM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3008
- C:\Windows\SysWOW64\At.exe
  At.exe 1:15:42 AM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:2740
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:3064
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:568
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:556
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:2436
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:1532
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:588
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:3028

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start schedule /y
1⤵
PID:860

C:\Windows\SysWOW64\net.exe
net.exe start schedule /y
1⤵
PID:308

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Windows\system32\Option.bat
1⤵
PID:2560

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:2816

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:2644

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
1⤵
PID:2036

C:\Windows\SysWOW64\at.exe
at 1:17:44 AM C:\Windows\Sysinf.bat
1⤵
PID:1332

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:2516

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:2616

C:\Windows\SysWOW64\at.exe
at 1:14:44 AM C:\Windows\Sysinf.bat
1⤵
PID:2188

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:1496

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
1⤵
PID:1140

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:1036

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:2120

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
1⤵
PID:852

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:1704

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:1396

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:1724

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:840

C:\Windows\SysWOW64\at.exe
at 1:17:47 AM C:\Windows\Sysinf.bat
1⤵
PID:748

C:\Windows\SysWOW64\at.exe
at 1:14:47 AM C:\Windows\Sysinf.bat
1⤵
PID:2512

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:1772

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2364

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:1664

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:1636

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2552

C:\Windows\system32\taskeng.exe
taskeng.exe {476D1821-FAA6-4626-BB0A-15FF992738C6} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:2464

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:296

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2112

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2692

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2700

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2936

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2800

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:1604

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
92KB

MD5
9253be46af98a0b40c26d6bdd6a13107

SHA1
e5c93a9d400921734c8ef43472432f5735d9a429

SHA256
af5b86a2ec44ebd362552ba20cf8bdcaceab76c83d962a54b4c36b59dc9eb759

SHA512
b6e2b37e962c2e17c38a519203e8817252cb53f812fb0722f52029dafa50ccc3a921db9707d7249d732d30b8359ecfa74c18e998b985792d265eb76c2c7b8589

Download Submit
F:\Autorun.inf

Filesize
237B

MD5
94bcd02c5afd5918b4446345e7a5ded9

SHA1
79839238e84be225132e1382fae6333dfc4906a1

SHA256
5d9f41e4f886926dae2ed8a57807708110d3c6964ab462be21462bff0088d9a1

SHA512
149f6bd49fc3b62fa5f41666bfb3a58060514eec1b61c6aa1ac4c75417c840b028e701eb5533460eb00e2fee8543379564bc47d7477264771d81b99a0caab500

Download Submit
\Windows\system\KavUpda.exe

Filesize
86KB

MD5
39994b99cf9079000d68e6a5523a2c7d

SHA1
2dc042e21f3d2709ad50c6abb2f0fbfea8fbe7c4

SHA256
13f2236d19e5f3aab9ab5a365ce6564760c591e1684806a51515536fb9c729f4

SHA512
3f8de7969c7195da6b8fd5e4e90c8699ab506861e1699d3d1304e8db11d132714400717b0fa129a6da72d04fc98a434b939e13d9ac520f1f8f75a51dd9b703e2

Download Submit
\Windows\system\KavUpda.exe

Filesize
375KB

MD5
e9dca5a17087b041e21fd27829de4763

SHA1
21b33f3b655bfd378ae6915d8766598b0a030638

SHA256
e4cc86dfdcb805ff749523f5c1687480a6876749ebbac8b37e80ee7fcdb94739

SHA512
f992b30fe883ed7024c6415ad435b0445d5af2097ec8060b49f5909cd4e76367bbf0c4d2f0b324cf9ce267bb4bf2186ed1ca0f55eb579d3892ae7e2d315c226f

Download Submit
memory/2180-0-0x0000000000400000-0x0000000000436000-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