b8731b3cf326b23d1e397fbd0ad945d8a30ce5d0fa605b23ff72a7892333e23a

Analysis

max time kernel
168s
max time network
136s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09-03-2024 21:19

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General

Target

bcd4b610cda6e00957a067a5b6416b2e.exe
Size

1.8MB
MD5

bcd4b610cda6e00957a067a5b6416b2e
SHA1

39552737fa1be456ac48535754343744ab6a0485
SHA256

b8731b3cf326b23d1e397fbd0ad945d8a30ce5d0fa605b23ff72a7892333e23a
SHA512

8ef42a43ae534ab4070af667d8f546f770b7ba59a64b6e86cb0f003859dd5851760b83c508ea9093dd1bd3dfb97605645f0f8cbbaa8fba09f130659bee49ac6d
SSDEEP

24576:UuhaGBhMuOvBYMuOvBYMuOvBYMuOvBYMuOvBYMuOEOP:bwP

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-1-5-21-2461186416-2307104501-1787948496-1000\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-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\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\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\360tray.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.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\KAVStart.EXE\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	regedit.exe
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\RavMoD.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\RfwMain.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rav.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.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\KAVStart.EXE	regedit.exe

Executes dropped EXE 1 IoCs

pid	Process
1060	KavUpda.exe

Loads dropped DLL 2 IoCs

pid	Process
2572	bcd4b610cda6e00957a067a5b6416b2e.exe
2572	bcd4b610cda6e00957a067a5b6416b2e.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	C:\Autorun.inf	KavUpda.exe
File opened for modification	F:\Autorun.inf	KavUpda.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Option.bat	bcd4b610cda6e00957a067a5b6416b2e.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe
File opened for modification	C:\Windows\SysWOW64\Folderdir	bcd4b610cda6e00957a067a5b6416b2e.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7z.exe	bcd4b610cda6e00957a067a5b6416b2e.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	bcd4b610cda6e00957a067a5b6416b2e.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	bcd4b610cda6e00957a067a5b6416b2e.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	bcd4b610cda6e00957a067a5b6416b2e.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\system\KavUpda.exe	bcd4b610cda6e00957a067a5b6416b2e.exe
File opened for modification	C:\Windows\system\KavUpda.exe	bcd4b610cda6e00957a067a5b6416b2e.exe
File created	C:\Windows\Help\HelpCat.exe	bcd4b610cda6e00957a067a5b6416b2e.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	bcd4b610cda6e00957a067a5b6416b2e.exe
File created	C:\Windows\Sysinf.bat	bcd4b610cda6e00957a067a5b6416b2e.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\regedt32.sys	bcd4b610cda6e00957a067a5b6416b2e.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

Launches sc.exe 8 IoCs

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

pid	Process
1624	sc.exe
2420	sc.exe
532	sc.exe
296	sc.exe
860	sc.exe
1748	sc.exe
1048	sc.exe
1376	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
1780	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	1060	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1060	KavUpda.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: 33	2572	bcd4b610cda6e00957a067a5b6416b2e.exe
Token: SeIncBasePriorityPrivilege	2572	bcd4b610cda6e00957a067a5b6416b2e.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2572	bcd4b610cda6e00957a067a5b6416b2e.exe
1060	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2592	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	27
PID 2572 wrote to memory of 2592	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	27
PID 2572 wrote to memory of 2592	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	27
PID 2572 wrote to memory of 2592	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	27
PID 2572 wrote to memory of 2604	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	29
PID 2572 wrote to memory of 2604	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	29
PID 2572 wrote to memory of 2604	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	29
PID 2572 wrote to memory of 2604	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	29
PID 2604 wrote to memory of 2696	2604	net.exe	31
PID 2604 wrote to memory of 2696	2604	net.exe	31
PID 2604 wrote to memory of 2696	2604	net.exe	31
PID 2604 wrote to memory of 2696	2604	net.exe	31
PID 2572 wrote to memory of 2344	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	32
PID 2572 wrote to memory of 2344	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	32
PID 2572 wrote to memory of 2344	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	32
PID 2572 wrote to memory of 2344	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	32
PID 2572 wrote to memory of 2416	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	34
PID 2572 wrote to memory of 2416	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	34
PID 2572 wrote to memory of 2416	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	34
PID 2572 wrote to memory of 2416	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	34
PID 2572 wrote to memory of 2428	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	35
PID 2572 wrote to memory of 2428	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	35
PID 2572 wrote to memory of 2428	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	35
PID 2572 wrote to memory of 2428	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	35
PID 2572 wrote to memory of 2856	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	37
PID 2572 wrote to memory of 2856	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	37
PID 2572 wrote to memory of 2856	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	37
PID 2572 wrote to memory of 2856	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	37
PID 2572 wrote to memory of 2400	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	38
PID 2572 wrote to memory of 2400	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	38
PID 2572 wrote to memory of 2400	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	38
PID 2572 wrote to memory of 2400	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	38
PID 2572 wrote to memory of 1948	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	41
PID 2572 wrote to memory of 1948	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	41
PID 2572 wrote to memory of 1948	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	41
PID 2572 wrote to memory of 1948	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	41
PID 2400 wrote to memory of 780	2400	net.exe	46
PID 2400 wrote to memory of 780	2400	net.exe	46
PID 2400 wrote to memory of 780	2400	net.exe	46
PID 2400 wrote to memory of 780	2400	net.exe	46
PID 2428 wrote to memory of 2692	2428	cmd.exe	49
PID 2428 wrote to memory of 2692	2428	cmd.exe	49
PID 2428 wrote to memory of 2692	2428	cmd.exe	49
PID 2428 wrote to memory of 2692	2428	cmd.exe	49
PID 2856 wrote to memory of 700	2856	net.exe	45
PID 2856 wrote to memory of 700	2856	net.exe	45
PID 2856 wrote to memory of 700	2856	net.exe	45
PID 2856 wrote to memory of 700	2856	net.exe	45
PID 2416 wrote to memory of 2704	2416	cmd.exe	48
PID 2416 wrote to memory of 2704	2416	cmd.exe	48
PID 2416 wrote to memory of 2704	2416	cmd.exe	48
PID 2416 wrote to memory of 2704	2416	cmd.exe	48
PID 1948 wrote to memory of 2664	1948	net.exe	47
PID 1948 wrote to memory of 2664	1948	net.exe	47
PID 1948 wrote to memory of 2664	1948	net.exe	47
PID 1948 wrote to memory of 2664	1948	net.exe	47
PID 2572 wrote to memory of 524	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	44
PID 2572 wrote to memory of 524	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	44
PID 2572 wrote to memory of 524	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	44
PID 2572 wrote to memory of 524	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	44
PID 2572 wrote to memory of 2720	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	50
PID 2572 wrote to memory of 2720	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	50
PID 2572 wrote to memory of 2720	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	50
PID 2572 wrote to memory of 2720	2572	bcd4b610cda6e00957a067a5b6416b2e.exe	50

Views/modifies file attributes 1 TTPs 13 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2404	attrib.exe
2052	attrib.exe
1512	attrib.exe
2844	attrib.exe
2544	attrib.exe
2056	attrib.exe
2796	attrib.exe
2484	attrib.exe
2344	attrib.exe
1764	attrib.exe
2528	attrib.exe
1144	attrib.exe
2868	attrib.exe

C:\Users\Admin\AppData\Local\Temp\bcd4b610cda6e00957a067a5b6416b2e.exe
"C:\Users\Admin\AppData\Local\Temp\bcd4b610cda6e00957a067a5b6416b2e.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:2572
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\Option.bat
  2⤵
  PID:2592
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2604
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:2696
- C:\Windows\SysWOW64\At.exe
  At.exe 9:23:16 PM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:2344
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 9:22:18 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Windows\SysWOW64\at.exe
    at 9:22:18 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2704
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 9:25:18 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Windows\SysWOW64\at.exe
    at 9:25:18 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2692
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:700
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2400
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:780
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1948
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2664
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:524
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:2120
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:2720
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:956
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:1048
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:1376
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:1624
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:2420
- 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:1780
- 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:1128
- 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:2260
- 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:1060
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Windows\system32\Option.bat
    3⤵
    PID:1244
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:644
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:2028
- - C:\Windows\SysWOW64\At.exe
    At.exe 9:23:44 PM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:1040
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 9:22:47 PM C:\Windows\Sysinf.bat
    3⤵
    PID:1292
  - - C:\Windows\SysWOW64\at.exe
      at 9:22:47 PM C:\Windows\Sysinf.bat
      4⤵
      PID:3024
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 9:25:47 PM C:\Windows\Sysinf.bat
    3⤵
    PID:1664
  - - C:\Windows\SysWOW64\at.exe
      at 9:25:47 PM C:\Windows\Sysinf.bat
      4⤵
      PID:992
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:2956
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:1808
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:2164
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:1700
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:1156
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:2212
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:1468
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:2948
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:1548
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:1916
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:296
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:532
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:860
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1748
- - 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:2896
- - 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:1508
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1984
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2404
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2504
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1936
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1764
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:268
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1556
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2796
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1484
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2876
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2528
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1128
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2100
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2484
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1284
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2896
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2052
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2456
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1472
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2344
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:696
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2092
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2844
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2312
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2760
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1512
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1696
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:944
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1144
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:940
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1616
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2544
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1376
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:3044
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2868
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:708
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2320
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2056
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1076
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:2312
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:696
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:1872
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:2832
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:1720
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2292
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:968
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:888
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:1576
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:2036

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
1.8MB

MD5
bcd4b610cda6e00957a067a5b6416b2e

SHA1
39552737fa1be456ac48535754343744ab6a0485

SHA256
b8731b3cf326b23d1e397fbd0ad945d8a30ce5d0fa605b23ff72a7892333e23a

SHA512
8ef42a43ae534ab4070af667d8f546f770b7ba59a64b6e86cb0f003859dd5851760b83c508ea9093dd1bd3dfb97605645f0f8cbbaa8fba09f130659bee49ac6d

Download Submit
F:\Autorun.inf

Filesize
237B

MD5
94bcd02c5afd5918b4446345e7a5ded9

SHA1
79839238e84be225132e1382fae6333dfc4906a1

SHA256
5d9f41e4f886926dae2ed8a57807708110d3c6964ab462be21462bff0088d9a1

SHA512
149f6bd49fc3b62fa5f41666bfb3a58060514eec1b61c6aa1ac4c75417c840b028e701eb5533460eb00e2fee8543379564bc47d7477264771d81b99a0caab500

Download Submit
memory/2572-0-0x0000000000400000-0x0000000000436000-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