3f7d8b9cd080d4b7a2e591fef6fd1c811254ce8f8bf326a66a9e70c1b2048880

Analysis

max time kernel
217s
max time network
244s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 13:46

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General

Target

3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Size

2.2MB
MD5

3d032dbbb7e1b5d3a5a9a55b175832b9
SHA1

6bb0c2d9fed7c098415e075eedcd754a93afdc1a
SHA256

3f7d8b9cd080d4b7a2e591fef6fd1c811254ce8f8bf326a66a9e70c1b2048880
SHA512

493ed544d968ec62249d79c1c5f7a35fc44d270e9cd244aaf5d5ffe06f8388b00ff027ff877c69ec815fdfec53f2ab7e1c8a99923bd6787ac63bc17f3e232f27
SSDEEP

12288:UZWtI6RkcunuVO6unulOVunuVO6unulOVunuVO6unulOVunuVO6unulOVunuVO6s:UuhabD

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	regedit.exe

Blocks application from running via registry modification 17 IoCs

Adds application to list of disallowed applications.

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe

Sets file execution options in registry 2 TTPs 20 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
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\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\regedit.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
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
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\360tray.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
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\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\KAVStart.EXE\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
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

Executes dropped EXE 2 IoCs

pid	Process
2412	KavUpda.exe
3088	3d032dbbb7e1b5d3a5a9a55b175832b9~4.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	3d032dbbb7e1b5d3a5a9a55b175832b9.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\7z.exe	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	3d032dbbb7e1b5d3a5a9a55b175832b9.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\Help\HelpCat.exe	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
File created	C:\Windows\Sysinf.bat	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe
File opened for modification	C:\Windows\system\KavUpda.exe	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
File created	C:\Windows\regedt32.sys	3d032dbbb7e1b5d3a5a9a55b175832b9.exe

Launches sc.exe 8 IoCs

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

pid	Process
4920	sc.exe
4768	sc.exe
1628	sc.exe
3292	sc.exe
1428	sc.exe
1668	sc.exe
3320	sc.exe
4644	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
1428	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	2412	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2412	KavUpda.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: 33	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
Token: SeIncBasePriorityPrivilege	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe
2412	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 4940	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	92
PID 1168 wrote to memory of 4940	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	92
PID 1168 wrote to memory of 4940	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	92
PID 1168 wrote to memory of 5104	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	94
PID 1168 wrote to memory of 5104	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	94
PID 1168 wrote to memory of 5104	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	94
PID 5104 wrote to memory of 5016	5104	net.exe	96
PID 5104 wrote to memory of 5016	5104	net.exe	96
PID 5104 wrote to memory of 5016	5104	net.exe	96
PID 1168 wrote to memory of 3624	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	97
PID 1168 wrote to memory of 3624	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	97
PID 1168 wrote to memory of 3624	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	97
PID 1168 wrote to memory of 2740	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	121
PID 1168 wrote to memory of 2740	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	121
PID 1168 wrote to memory of 2740	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	121
PID 1168 wrote to memory of 4340	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	119
PID 1168 wrote to memory of 4340	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	119
PID 1168 wrote to memory of 4340	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	119
PID 1168 wrote to memory of 3740	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	118
PID 1168 wrote to memory of 3740	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	118
PID 1168 wrote to memory of 3740	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	118
PID 1168 wrote to memory of 4588	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	105
PID 1168 wrote to memory of 4588	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	105
PID 1168 wrote to memory of 4588	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	105
PID 1168 wrote to memory of 2508	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	100
PID 1168 wrote to memory of 2508	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	100
PID 1168 wrote to memory of 2508	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	100
PID 1168 wrote to memory of 1196	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	102
PID 1168 wrote to memory of 1196	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	102
PID 1168 wrote to memory of 1196	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	102
PID 1168 wrote to memory of 1804	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	108
PID 1168 wrote to memory of 1804	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	108
PID 1168 wrote to memory of 1804	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	108
PID 1168 wrote to memory of 3320	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	109
PID 1168 wrote to memory of 3320	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	109
PID 1168 wrote to memory of 3320	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	109
PID 1168 wrote to memory of 4644	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	111
PID 1168 wrote to memory of 4644	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	111
PID 1168 wrote to memory of 4644	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	111
PID 1168 wrote to memory of 4920	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	113
PID 1168 wrote to memory of 4920	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	113
PID 1168 wrote to memory of 4920	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	113
PID 1168 wrote to memory of 4768	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	114
PID 1168 wrote to memory of 4768	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	114
PID 1168 wrote to memory of 4768	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	114
PID 1168 wrote to memory of 1428	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	120
PID 1168 wrote to memory of 1428	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	120
PID 1168 wrote to memory of 1428	1168	3d032dbbb7e1b5d3a5a9a55b175832b9.exe	120
PID 2508 wrote to memory of 2032	2508	net.exe	122
PID 2508 wrote to memory of 2032	2508	net.exe	122
PID 2508 wrote to memory of 2032	2508	net.exe	122
PID 3740 wrote to memory of 5008	3740	net.exe	123
PID 3740 wrote to memory of 5008	3740	net.exe	123
PID 3740 wrote to memory of 5008	3740	net.exe	123
PID 4588 wrote to memory of 2628	4588	net.exe	124
PID 4588 wrote to memory of 2628	4588	net.exe	124
PID 4588 wrote to memory of 2628	4588	net.exe	124
PID 1196 wrote to memory of 828	1196	net.exe	125
PID 1196 wrote to memory of 828	1196	net.exe	125
PID 1196 wrote to memory of 828	1196	net.exe	125
PID 1804 wrote to memory of 4320	1804	net.exe	126
PID 1804 wrote to memory of 4320	1804	net.exe	126
PID 1804 wrote to memory of 4320	1804	net.exe	126
PID 2740 wrote to memory of 4536	2740	cmd.exe	127

Views/modifies file attributes 1 TTPs 6 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
5036	attrib.exe
4880	attrib.exe
4740	attrib.exe
4904	attrib.exe
1828	attrib.exe
2788	attrib.exe

C:\Users\Admin\AppData\Local\Temp\3d032dbbb7e1b5d3a5a9a55b175832b9.exe
"C:\Users\Admin\AppData\Local\Temp\3d032dbbb7e1b5d3a5a9a55b175832b9.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
  2⤵
  PID:4940
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5104
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:5016
- C:\Windows\SysWOW64\At.exe
  At.exe 2:53:15 AM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:3624
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2508
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2032
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1196
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:828
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4588
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:2628
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:4320
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:3320
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:4644
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:4920
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:4768
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3740
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:5008
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 2:55:23 AM C:\Windows\Sysinf.bat
  2⤵
  PID:4340
- - C:\Windows\SysWOW64\at.exe
    at 2:55:23 AM C:\Windows\Sysinf.bat
    3⤵
    PID:1736
- 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:1428
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 2:52:23 AM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2740
- - C:\Windows\SysWOW64\at.exe
    at 2:52:23 AM C:\Windows\Sysinf.bat
    3⤵
    PID:4536
- 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:4608
- 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:5096
- 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:2412
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
    3⤵
    PID:3420
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:4908
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:1692
- - C:\Windows\SysWOW64\At.exe
    At.exe 2:53:36 AM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:3816
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:1100
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:4276
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:3904
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:1684
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:1628
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:3292
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1428
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1668
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:8
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:4536
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:4092
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:968
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:3648
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:3300
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 2:55:39 AM C:\Windows\Sysinf.bat
    3⤵
    PID:4616
  - - C:\Windows\SysWOW64\at.exe
      at 2:55:39 AM C:\Windows\Sysinf.bat
      4⤵
      PID:4016
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 2:52:39 AM C:\Windows\Sysinf.bat
    3⤵
    PID:768
  - - C:\Windows\SysWOW64\at.exe
      at 2:52:39 AM C:\Windows\Sysinf.bat
      4⤵
      PID:2064
- - 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:524
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:3824
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4024
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4904
- - 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:4952
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:3560
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4880
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1828
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1400
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2788
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:3724
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4752
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:5036
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:4292
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1040
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4880
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2556
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2644
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1000
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4740
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:436
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1940
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2076
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:4356
- C:\Users\Admin\AppData\Local\Temp\3d032dbbb7e1b5d3a5a9a55b175832b9~4.exe
  3d032dbbb7e1b5d3a5a9a55b175832b9~4.exe
  2⤵
  - Executes dropped EXE
  PID:3088
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:3356
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:1584
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:368
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:3740
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:4944
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:3588
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:4772
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1940
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:4184
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:1668

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:\Autorun.inf

Filesize
172B

MD5
f3080b5b503bc85b7c6ffa99145c1448

SHA1
0277a1570f7b3043db7d3e799c15efd23f13ba67

SHA256
2737d94f90118c15e13dc6329ed4d4de81c232fc30b9ee19174f5dfd891955bf

SHA512
cbf6b90b3c3727669c817064a714d855754362caf07ee875316c57feb16cf492afc64bc89a8001e6bd230c64badd1b3cf362f88b59c46ba17bd7938ef3acef7b

Download Submit
C:\Users\Admin\AppData\Local\Temp\3d032dbbb7e1b5d3a5a9a55b175832b9~4.exe

Filesize
47KB

MD5
5295e9590af0fb1053b599fcc6b2377c

SHA1
bfa8ead99f809eea7168195973fa90867831add7

SHA256
f80aa757a007c81486da5485a02d2238e818ed853cd719bb52c5efab3bc7524d

SHA512
55731646482a26917bcb85e3d11f6e38ad961e355e5c8adc01c9c0e454b1633cb8f6801e2dfa2d8082995553aac13f080abbed31dbad688d5a6c4a7fe0c424a1

Download Submit
C:\Windows\SysWOW64\Option.bat

Filesize
82B

MD5
3f7fbd2eb34892646e93fd5e6e343512

SHA1
265ac1061b54f62350fb7a5f57e566454d013a66

SHA256
e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7

SHA512
53d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140

Download Submit
C:\Windows\Sysinf.bat

Filesize
460B

MD5
7db3d565d6ddbe65a8b0e093910e7dcd

SHA1
d4804e6180c6e74ba79d3343f2f2ccb15e502f12

SHA256
a2778cb87fd88c7508ffd506a8ff8d58d0ffc02156f846956e5e99c6cb3d2f3f

SHA512
0b3d1d0f44feba9dd78903ff77fdeaea834d930990a86641fb2e4ce04da280d33f6bee0ae0b1320e4070cbe20824062e45b52e5cad797c5985d8e31dce1ef82b

Download Submit
C:\Windows\System\KavUpda.exe

Filesize
2.1MB

MD5
183eaa400af91455ad52d60a01cef2f1

SHA1
2eb4dfe0166d0c14b89c8d796a3debd890e56c8d

SHA256
f631ee629a4395ca1c9458d0a6b3c9eae07ed3b2816e9b07bca3bd65f763af0e

SHA512
179642e28366877c242ed0625c0c0db1ece69496234903133401a11a8ca45b82b146abd4bb52af4708319ff6efce657ee8bdebcbcf0f6a6f6dfae59343e39314

Download Submit
C:\Windows\System\KavUpda.exe

Filesize
129KB

MD5
9d4451d32b199cb6807217bfbb7bb5fb

SHA1
73b41bf0a7b80bdd5c5ae04a8d6cb32d4db738ab

SHA256
18d30a8134a688ab2b2938dbc8f90b7373ecfcff2e639aee84a0ce825c2f4f06

SHA512
eab7fad63c6d83d99d9770c7abc560c8c1efee0fdb6516cf71ff04760ebfd28f05d7f0489abb2655df36895914d571ffa46ef793d48921372563a8845ff76fd2

Download Submit
C:\Windows\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

Download Submit
C:\Windows\system\KavUpda.exe

Filesize
42KB

MD5
e66f19215ddd3f3825cffb990c255f92

SHA1
ee5ff4062ce0b08909e7af531c2b680274a1a37e

SHA256
c5817527009abea674c414c2d1d0b2cd103fccb821ecad0002d5bf204d79e7d4

SHA512
05b2efad03ade19843c883dfd9a1b2285c61c5b738a755af63ce21a39109782d9c8b810f369c01a9d8f6feac75a1884f1541137aa5bcb4d57586421e7313aef4

Download Submit
F:\Autorun.inf

Filesize
237B

MD5
94bcd02c5afd5918b4446345e7a5ded9

SHA1
79839238e84be225132e1382fae6333dfc4906a1

SHA256
5d9f41e4f886926dae2ed8a57807708110d3c6964ab462be21462bff0088d9a1

SHA512
149f6bd49fc3b62fa5f41666bfb3a58060514eec1b61c6aa1ac4c75417c840b028e701eb5533460eb00e2fee8543379564bc47d7477264771d81b99a0caab500

Download Submit
memory/1168-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads