9e99f5051c66f68286100e054f588df461aaba200f86752e6171143208d7021d

Analysis

max time kernel
163s
max time network
139s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 18:12

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General

Target

002503024eaf79a80a4c9bf087c5de69.exe
Size

542KB
MD5

002503024eaf79a80a4c9bf087c5de69
SHA1

9c1a904845d4219aeff13824368fe6db65cc1fc7
SHA256

9e99f5051c66f68286100e054f588df461aaba200f86752e6171143208d7021d
SHA512

de4592a2d3a8633789d9681e694a6b8e642c08a809c88d3f18bfaf31e60d4f15dbb94cdd255a6dc49a91083304c9522b8938de870de75e24301a7e00da0d576f
SSDEEP

12288:UZWtI6RkeeZJys73dOvXDpNjNe8zyOB0vU:UuhaeeZJ8NI8zyOAU

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\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\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\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 (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 (int)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	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\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\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\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\14 = "KAV32.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\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\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\12 = "KPFW32X.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\KAVStart.EXE\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\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\RavMoD.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\taskmgr.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\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\360Safe.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\regedit.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\RavMoD.exe\Debugger = "D:\\RECYCLER\\????8.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\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

Executes dropped EXE 1 IoCs

pid	Process
2740	KavUpda.exe

Loads dropped DLL 2 IoCs

pid	Process
1888	002503024eaf79a80a4c9bf087c5de69.exe
1888	002503024eaf79a80a4c9bf087c5de69.exe

Drops autorun.inf file 1 TTPs 2 IoCs

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

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	F:\Autorun.inf	KavUpda.exe
File opened for modification	C:\Autorun.inf	KavUpda.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Option.bat	002503024eaf79a80a4c9bf087c5de69.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7zG.exe	002503024eaf79a80a4c9bf087c5de69.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	002503024eaf79a80a4c9bf087c5de69.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	002503024eaf79a80a4c9bf087c5de69.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	002503024eaf79a80a4c9bf087c5de69.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\Sysinf.bat	002503024eaf79a80a4c9bf087c5de69.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 opened for modification	C:\Windows\system\KavUpda.exe	002503024eaf79a80a4c9bf087c5de69.exe
File created	C:\Windows\Help\HelpCat.exe	002503024eaf79a80a4c9bf087c5de69.exe
File created	C:\Windows\regedt32.sys	002503024eaf79a80a4c9bf087c5de69.exe
File opened for modification	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\system\KavUpda.exe	002503024eaf79a80a4c9bf087c5de69.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	002503024eaf79a80a4c9bf087c5de69.exe

Launches sc.exe 8 IoCs

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

pid	Process
3044	sc.exe
1956	sc.exe
2072	sc.exe
872	sc.exe
1656	sc.exe
2804	sc.exe
1620	sc.exe
2656	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
1900	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	2740	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2740	KavUpda.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: 33	1888	002503024eaf79a80a4c9bf087c5de69.exe
Token: SeIncBasePriorityPrivilege	1888	002503024eaf79a80a4c9bf087c5de69.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1888	002503024eaf79a80a4c9bf087c5de69.exe
2740	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 2864	1888	002503024eaf79a80a4c9bf087c5de69.exe	27
PID 1888 wrote to memory of 2864	1888	002503024eaf79a80a4c9bf087c5de69.exe	27
PID 1888 wrote to memory of 2864	1888	002503024eaf79a80a4c9bf087c5de69.exe	27
PID 1888 wrote to memory of 2864	1888	002503024eaf79a80a4c9bf087c5de69.exe	27
PID 1888 wrote to memory of 2860	1888	002503024eaf79a80a4c9bf087c5de69.exe	29
PID 1888 wrote to memory of 2860	1888	002503024eaf79a80a4c9bf087c5de69.exe	29
PID 1888 wrote to memory of 2860	1888	002503024eaf79a80a4c9bf087c5de69.exe	29
PID 1888 wrote to memory of 2860	1888	002503024eaf79a80a4c9bf087c5de69.exe	29
PID 2860 wrote to memory of 2868	2860	net.exe	31
PID 2860 wrote to memory of 2868	2860	net.exe	31
PID 2860 wrote to memory of 2868	2860	net.exe	31
PID 2860 wrote to memory of 2868	2860	net.exe	31
PID 1888 wrote to memory of 2724	1888	002503024eaf79a80a4c9bf087c5de69.exe	32
PID 1888 wrote to memory of 2724	1888	002503024eaf79a80a4c9bf087c5de69.exe	32
PID 1888 wrote to memory of 2724	1888	002503024eaf79a80a4c9bf087c5de69.exe	32
PID 1888 wrote to memory of 2724	1888	002503024eaf79a80a4c9bf087c5de69.exe	32
PID 1888 wrote to memory of 2624	1888	002503024eaf79a80a4c9bf087c5de69.exe	33
PID 1888 wrote to memory of 2624	1888	002503024eaf79a80a4c9bf087c5de69.exe	33
PID 1888 wrote to memory of 2624	1888	002503024eaf79a80a4c9bf087c5de69.exe	33
PID 1888 wrote to memory of 2624	1888	002503024eaf79a80a4c9bf087c5de69.exe	33
PID 1888 wrote to memory of 2564	1888	002503024eaf79a80a4c9bf087c5de69.exe	35
PID 1888 wrote to memory of 2564	1888	002503024eaf79a80a4c9bf087c5de69.exe	35
PID 1888 wrote to memory of 2564	1888	002503024eaf79a80a4c9bf087c5de69.exe	35
PID 1888 wrote to memory of 2564	1888	002503024eaf79a80a4c9bf087c5de69.exe	35
PID 1888 wrote to memory of 2592	1888	002503024eaf79a80a4c9bf087c5de69.exe	40
PID 1888 wrote to memory of 2592	1888	002503024eaf79a80a4c9bf087c5de69.exe	40
PID 1888 wrote to memory of 2592	1888	002503024eaf79a80a4c9bf087c5de69.exe	40
PID 1888 wrote to memory of 2592	1888	002503024eaf79a80a4c9bf087c5de69.exe	40
PID 1888 wrote to memory of 2632	1888	002503024eaf79a80a4c9bf087c5de69.exe	36
PID 1888 wrote to memory of 2632	1888	002503024eaf79a80a4c9bf087c5de69.exe	36
PID 1888 wrote to memory of 2632	1888	002503024eaf79a80a4c9bf087c5de69.exe	36
PID 1888 wrote to memory of 2632	1888	002503024eaf79a80a4c9bf087c5de69.exe	36
PID 1888 wrote to memory of 3048	1888	002503024eaf79a80a4c9bf087c5de69.exe	38
PID 1888 wrote to memory of 3048	1888	002503024eaf79a80a4c9bf087c5de69.exe	38
PID 1888 wrote to memory of 3048	1888	002503024eaf79a80a4c9bf087c5de69.exe	38
PID 1888 wrote to memory of 3048	1888	002503024eaf79a80a4c9bf087c5de69.exe	38
PID 1888 wrote to memory of 2620	1888	002503024eaf79a80a4c9bf087c5de69.exe	46
PID 1888 wrote to memory of 2620	1888	002503024eaf79a80a4c9bf087c5de69.exe	46
PID 1888 wrote to memory of 2620	1888	002503024eaf79a80a4c9bf087c5de69.exe	46
PID 1888 wrote to memory of 2620	1888	002503024eaf79a80a4c9bf087c5de69.exe	46
PID 1888 wrote to memory of 2544	1888	002503024eaf79a80a4c9bf087c5de69.exe	43
PID 1888 wrote to memory of 2544	1888	002503024eaf79a80a4c9bf087c5de69.exe	43
PID 1888 wrote to memory of 2544	1888	002503024eaf79a80a4c9bf087c5de69.exe	43
PID 1888 wrote to memory of 2544	1888	002503024eaf79a80a4c9bf087c5de69.exe	43
PID 2624 wrote to memory of 2160	2624	cmd.exe	45
PID 2624 wrote to memory of 2160	2624	cmd.exe	45
PID 2624 wrote to memory of 2160	2624	cmd.exe	45
PID 2624 wrote to memory of 2160	2624	cmd.exe	45
PID 2632 wrote to memory of 372	2632	net.exe	49
PID 2632 wrote to memory of 372	2632	net.exe	49
PID 2632 wrote to memory of 372	2632	net.exe	49
PID 2632 wrote to memory of 372	2632	net.exe	49
PID 2620 wrote to memory of 2892	2620	net.exe	52
PID 2620 wrote to memory of 2892	2620	net.exe	52
PID 2620 wrote to memory of 2892	2620	net.exe	52
PID 2620 wrote to memory of 2892	2620	net.exe	52
PID 2564 wrote to memory of 2936	2564	cmd.exe	53
PID 2564 wrote to memory of 2936	2564	cmd.exe	53
PID 2564 wrote to memory of 2936	2564	cmd.exe	53
PID 2564 wrote to memory of 2936	2564	cmd.exe	53
PID 3048 wrote to memory of 2884	3048	net.exe	51
PID 3048 wrote to memory of 2884	3048	net.exe	51
PID 3048 wrote to memory of 2884	3048	net.exe	51
PID 3048 wrote to memory of 2884	3048	net.exe	51

Views/modifies file attributes 1 TTPs 14 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1388	attrib.exe
2752	attrib.exe
1904	attrib.exe
1628	attrib.exe
1032	attrib.exe
2840	attrib.exe
1944	attrib.exe
2816	attrib.exe
2420	attrib.exe
564	attrib.exe
2684	attrib.exe
1680	attrib.exe
876	attrib.exe
2000	attrib.exe

C:\Users\Admin\AppData\Local\Temp\002503024eaf79a80a4c9bf087c5de69.exe
"C:\Users\Admin\AppData\Local\Temp\002503024eaf79a80a4c9bf087c5de69.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:1888
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\Option.bat
  2⤵
  PID:2864
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:2868
- C:\Windows\SysWOW64\At.exe
  At.exe 6:57:03 PM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:2724
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 6:56:05 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2624
- - C:\Windows\SysWOW64\at.exe
    at 6:56:05 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2160
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 6:59:05 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2564
- - C:\Windows\SysWOW64\at.exe
    at 6:59:05 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2936
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:372
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3048
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2884
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:2592
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:2952
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:2544
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:2932
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2620
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:2892
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:1620
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:2656
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:3044
- 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:1900
- 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:1016
- 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:2612
- 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:2740
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Windows\system32\Option.bat
    3⤵
    PID:2008
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:2044
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:2128
- - C:\Windows\SysWOW64\At.exe
    At.exe 6:57:25 PM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:2288
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 6:56:27 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2336
  - - C:\Windows\SysWOW64\at.exe
      at 6:56:27 PM C:\Windows\Sysinf.bat
      4⤵
      PID:1804
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 6:59:27 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2920
  - - C:\Windows\SysWOW64\at.exe
      at 6:59:27 PM C:\Windows\Sysinf.bat
      4⤵
      PID:1100
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:540
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:948
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:2808
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:2276
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:1180
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:2140
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:952
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:1812
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:1184
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:2232
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1956
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:2072
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:872
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1656
- - 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:2944
- - 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:2900
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2184
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1196
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2684
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2948
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2000
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2728
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2660
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1680
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:764
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2820
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1904
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2804
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1332
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2420
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2096
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2004
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1388
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1136
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2640
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1628
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2208
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2880
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1032
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1704
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1668
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2840
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2416
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2836
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:876
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1336
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3064
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2752
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:328
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2736
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:564
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2592
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:764
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1944
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:3044
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:300
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2816
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1816
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:1932
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:1080
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:2324
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:1160
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:1856
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2644
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:744
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:2340
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:1312
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1628

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
542KB

MD5
002503024eaf79a80a4c9bf087c5de69

SHA1
9c1a904845d4219aeff13824368fe6db65cc1fc7

SHA256
9e99f5051c66f68286100e054f588df461aaba200f86752e6171143208d7021d

SHA512
de4592a2d3a8633789d9681e694a6b8e642c08a809c88d3f18bfaf31e60d4f15dbb94cdd255a6dc49a91083304c9522b8938de870de75e24301a7e00da0d576f

Download Submit
F:\Autorun.inf

Filesize
237B

MD5
94bcd02c5afd5918b4446345e7a5ded9

SHA1
79839238e84be225132e1382fae6333dfc4906a1

SHA256
5d9f41e4f886926dae2ed8a57807708110d3c6964ab462be21462bff0088d9a1

SHA512
149f6bd49fc3b62fa5f41666bfb3a58060514eec1b61c6aa1ac4c75417c840b028e701eb5533460eb00e2fee8543379564bc47d7477264771d81b99a0caab500

Download Submit
memory/1888-0-0x0000000000400000-0x0000000000436000-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