59520b6427b4e2ce7a045a01aac3d33586bcf58fee5ec6e912b4e8c60040aa32

Analysis

max time kernel
175s
max time network
24s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 04:42

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General

Target

55188197000b1a061db1bfba7f16822e.exe
Size

1.0MB
MD5

55188197000b1a061db1bfba7f16822e
SHA1

990735e8531f91069fa5ea07f2f6ba20323d1aac
SHA256

59520b6427b4e2ce7a045a01aac3d33586bcf58fee5ec6e912b4e8c60040aa32
SHA512

b6252135b978a32355e21640c1a7b151fbdf896d69bdf00d6e3a214c1084435dd19353d3a74c42528512a50142aa02cc44e30707dadc02b17d8c1804c64de46c
SSDEEP

12288:UZWtI6RkMIerQZb+md4w1UDIerQZb+md4w1UM:UuhaTerQZb+md4wmcerQZb+md4wmM

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-1-5-21-3308111660-3636268597-2291490419-1000\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-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	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\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\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMoD.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.EXE	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMoD.exe	regedit.exe
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\360tray.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.EXE\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe

Executes dropped EXE 1 IoCs

pid	Process
2344	KavUpda.exe

Loads dropped DLL 2 IoCs

pid	Process
2712	55188197000b1a061db1bfba7f16822e.exe
2712	55188197000b1a061db1bfba7f16822e.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 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Option.bat	55188197000b1a061db1bfba7f16822e.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7z.exe	55188197000b1a061db1bfba7f16822e.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	55188197000b1a061db1bfba7f16822e.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	55188197000b1a061db1bfba7f16822e.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\system\KavUpda.exe	55188197000b1a061db1bfba7f16822e.exe
File created	C:\Windows\Sysinf.bat	55188197000b1a061db1bfba7f16822e.exe
File created	C:\Windows\regedt32.sys	55188197000b1a061db1bfba7f16822e.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe
File opened for modification	C:\Windows\system\KavUpda.exe	55188197000b1a061db1bfba7f16822e.exe
File created	C:\Windows\Help\HelpCat.exe	55188197000b1a061db1bfba7f16822e.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	55188197000b1a061db1bfba7f16822e.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe

Launches sc.exe 8 IoCs

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

pid	Process
2176	sc.exe
2480	sc.exe
1600	sc.exe
1808	sc.exe
1500	sc.exe
784	sc.exe
592	sc.exe
1504	sc.exe

Runs net.exe

Runs regedit.exe 3 IoCs

pid	Process
1304	regedit.exe
2584	regedit.exe
1532	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2344	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2344	KavUpda.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe
Token: 33	2712	55188197000b1a061db1bfba7f16822e.exe
Token: SeIncBasePriorityPrivilege	2712	55188197000b1a061db1bfba7f16822e.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2712	55188197000b1a061db1bfba7f16822e.exe
2344	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 2720	2712	55188197000b1a061db1bfba7f16822e.exe	30
PID 2712 wrote to memory of 2720	2712	55188197000b1a061db1bfba7f16822e.exe	30
PID 2712 wrote to memory of 2720	2712	55188197000b1a061db1bfba7f16822e.exe	30
PID 2712 wrote to memory of 2720	2712	55188197000b1a061db1bfba7f16822e.exe	30
PID 2712 wrote to memory of 896	2712	55188197000b1a061db1bfba7f16822e.exe	32
PID 2712 wrote to memory of 896	2712	55188197000b1a061db1bfba7f16822e.exe	32
PID 2712 wrote to memory of 896	2712	55188197000b1a061db1bfba7f16822e.exe	32
PID 2712 wrote to memory of 896	2712	55188197000b1a061db1bfba7f16822e.exe	32
PID 896 wrote to memory of 2804	896	net.exe	34
PID 896 wrote to memory of 2804	896	net.exe	34
PID 896 wrote to memory of 2804	896	net.exe	34
PID 896 wrote to memory of 2804	896	net.exe	34
PID 2712 wrote to memory of 2988	2712	55188197000b1a061db1bfba7f16822e.exe	35
PID 2712 wrote to memory of 2988	2712	55188197000b1a061db1bfba7f16822e.exe	35
PID 2712 wrote to memory of 2988	2712	55188197000b1a061db1bfba7f16822e.exe	35
PID 2712 wrote to memory of 2988	2712	55188197000b1a061db1bfba7f16822e.exe	35
PID 2712 wrote to memory of 1668	2712	55188197000b1a061db1bfba7f16822e.exe	37
PID 2712 wrote to memory of 1668	2712	55188197000b1a061db1bfba7f16822e.exe	37
PID 2712 wrote to memory of 1668	2712	55188197000b1a061db1bfba7f16822e.exe	37
PID 2712 wrote to memory of 1668	2712	55188197000b1a061db1bfba7f16822e.exe	37
PID 2712 wrote to memory of 1656	2712	55188197000b1a061db1bfba7f16822e.exe	38
PID 2712 wrote to memory of 1656	2712	55188197000b1a061db1bfba7f16822e.exe	38
PID 2712 wrote to memory of 1656	2712	55188197000b1a061db1bfba7f16822e.exe	38
PID 2712 wrote to memory of 1656	2712	55188197000b1a061db1bfba7f16822e.exe	38
PID 2712 wrote to memory of 1776	2712	55188197000b1a061db1bfba7f16822e.exe	41
PID 2712 wrote to memory of 1776	2712	55188197000b1a061db1bfba7f16822e.exe	41
PID 2712 wrote to memory of 1776	2712	55188197000b1a061db1bfba7f16822e.exe	41
PID 2712 wrote to memory of 1776	2712	55188197000b1a061db1bfba7f16822e.exe	41
PID 2712 wrote to memory of 2852	2712	55188197000b1a061db1bfba7f16822e.exe	43
PID 2712 wrote to memory of 2852	2712	55188197000b1a061db1bfba7f16822e.exe	43
PID 2712 wrote to memory of 2852	2712	55188197000b1a061db1bfba7f16822e.exe	43
PID 2712 wrote to memory of 2852	2712	55188197000b1a061db1bfba7f16822e.exe	43
PID 1656 wrote to memory of 2160	1656	cmd.exe	64
PID 1656 wrote to memory of 2160	1656	cmd.exe	64
PID 1656 wrote to memory of 2160	1656	cmd.exe	64
PID 1656 wrote to memory of 2160	1656	cmd.exe	64
PID 1668 wrote to memory of 1704	1668	cmd.exe	63
PID 1668 wrote to memory of 1704	1668	cmd.exe	63
PID 1668 wrote to memory of 1704	1668	cmd.exe	63
PID 1668 wrote to memory of 1704	1668	cmd.exe	63
PID 2712 wrote to memory of 1752	2712	55188197000b1a061db1bfba7f16822e.exe	65
PID 2712 wrote to memory of 1752	2712	55188197000b1a061db1bfba7f16822e.exe	65
PID 2712 wrote to memory of 1752	2712	55188197000b1a061db1bfba7f16822e.exe	65
PID 2712 wrote to memory of 1752	2712	55188197000b1a061db1bfba7f16822e.exe	65
PID 2712 wrote to memory of 1724	2712	55188197000b1a061db1bfba7f16822e.exe	48
PID 2712 wrote to memory of 1724	2712	55188197000b1a061db1bfba7f16822e.exe	48
PID 2712 wrote to memory of 1724	2712	55188197000b1a061db1bfba7f16822e.exe	48
PID 2712 wrote to memory of 1724	2712	55188197000b1a061db1bfba7f16822e.exe	48
PID 2712 wrote to memory of 2000	2712	55188197000b1a061db1bfba7f16822e.exe	44
PID 2712 wrote to memory of 2000	2712	55188197000b1a061db1bfba7f16822e.exe	44
PID 2712 wrote to memory of 2000	2712	55188197000b1a061db1bfba7f16822e.exe	44
PID 2712 wrote to memory of 2000	2712	55188197000b1a061db1bfba7f16822e.exe	44
PID 1776 wrote to memory of 1280	1776	net.exe	46
PID 1776 wrote to memory of 1280	1776	net.exe	46
PID 1776 wrote to memory of 1280	1776	net.exe	46
PID 1776 wrote to memory of 1280	1776	net.exe	46
PID 2712 wrote to memory of 1808	2712	55188197000b1a061db1bfba7f16822e.exe	49
PID 2712 wrote to memory of 1808	2712	55188197000b1a061db1bfba7f16822e.exe	49
PID 2712 wrote to memory of 1808	2712	55188197000b1a061db1bfba7f16822e.exe	49
PID 2712 wrote to memory of 1808	2712	55188197000b1a061db1bfba7f16822e.exe	49
PID 2852 wrote to memory of 1964	2852	net.exe	51
PID 2852 wrote to memory of 1964	2852	net.exe	51
PID 2852 wrote to memory of 1964	2852	net.exe	51
PID 2852 wrote to memory of 1964	2852	net.exe	51

Views/modifies file attributes 1 TTPs 10 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1664	attrib.exe
1992	attrib.exe
2504	attrib.exe
2016	attrib.exe
2832	attrib.exe
2936	attrib.exe
912	attrib.exe
2664	attrib.exe
1712	attrib.exe
1956	attrib.exe

C:\Users\Admin\AppData\Local\Temp\55188197000b1a061db1bfba7f16822e.exe
"C:\Users\Admin\AppData\Local\Temp\55188197000b1a061db1bfba7f16822e.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:2712
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\Option.bat
  2⤵
  PID:2720
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:896
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:2804
- C:\Windows\SysWOW64\At.exe
  At.exe 8:28:35 AM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:2988
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 8:27:52 AM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1668
- - C:\Windows\SysWOW64\at.exe
    at 8:27:52 AM C:\Windows\Sysinf.bat
    3⤵
    PID:1704
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 8:30:54 AM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1656
- - C:\Windows\SysWOW64\at.exe
    at 8:30:54 AM C:\Windows\Sysinf.bat
    3⤵
    PID:2160
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1776
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:1280
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:1964
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:2000
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:1672
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:1724
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1784
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:1808
- C:\Windows\SysWOW64\regedit.exe
  regedit.exe /s C:\Windows\regedt32.sys
  2⤵
  - Runs regedit.exe
  PID:1304
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:1500
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:784
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:592
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:1752
- 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:1932
- 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:2348
- 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:2344
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Windows\system32\Option.bat
    3⤵
    PID:1676
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:736
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:1020
- - C:\Windows\SysWOW64\At.exe
    At.exe 8:29:19 AM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:3032
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:796
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:2996
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:2452
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:1072
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:1036
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:2012
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:1640
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:2448
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 8:31:21 AM C:\Windows\Sysinf.bat
    3⤵
    PID:2224
  - - C:\Windows\SysWOW64\at.exe
      at 8:31:21 AM C:\Windows\Sysinf.bat
      4⤵
      PID:1288
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:2900
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:2100
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1504
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:2176
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:2480
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1600
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 8:28:21 AM C:\Windows\Sysinf.bat
    3⤵
    PID:2264
- - C:\Windows\SysWOW64\regedit.exe
    regedit.exe /s C:\Windows\regedt32.sys
    3⤵
    - Runs regedit.exe
    PID:2584
- - 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:2728
- - 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:2612
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1008
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1728
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1956
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1964
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:336
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2832
- - C:\Windows\SysWOW64\regedit.exe
    regedit.exe /s C:\Windows\regedt32.sys
    3⤵
    - Modifies visibility of file extensions in Explorer
    - Blocks application from running via registry modification
    - Sets file execution options in registry
    - Runs regedit.exe
    PID:1532
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2460
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2936
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2372
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1108
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:912
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2928
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1464
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2664
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2976
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2796
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1664
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1564
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2148
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1712
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1952
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:596
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1992
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:3040
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:996
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2504
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:768
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1380
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2016
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:632
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:940
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:1716
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:1044
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2948
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:1368
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:1712
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:2212
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:2848
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:2796

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
1⤵
PID:1692

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

C:\Windows\SysWOW64\at.exe
at 8:28:21 AM C:\Windows\Sysinf.bat
1⤵
PID:1332

C:\Windows\system32\taskeng.exe
taskeng.exe {E722512B-CD71-4C3B-B164-EC48FE414828} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:2104

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
1.0MB

MD5
55188197000b1a061db1bfba7f16822e

SHA1
990735e8531f91069fa5ea07f2f6ba20323d1aac

SHA256
59520b6427b4e2ce7a045a01aac3d33586bcf58fee5ec6e912b4e8c60040aa32

SHA512
b6252135b978a32355e21640c1a7b151fbdf896d69bdf00d6e3a214c1084435dd19353d3a74c42528512a50142aa02cc44e30707dadc02b17d8c1804c64de46c

Download Submit
F:\Autorun.inf

Filesize
237B

MD5
94bcd02c5afd5918b4446345e7a5ded9

SHA1
79839238e84be225132e1382fae6333dfc4906a1

SHA256
5d9f41e4f886926dae2ed8a57807708110d3c6964ab462be21462bff0088d9a1

SHA512
149f6bd49fc3b62fa5f41666bfb3a58060514eec1b61c6aa1ac4c75417c840b028e701eb5533460eb00e2fee8543379564bc47d7477264771d81b99a0caab500

Download Submit
memory/2712-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads