5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1

Analysis

max time kernel
330s
max time network
342s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 02:44

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General

Target

5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Size

1.9MB
MD5

ca2ae67f790dee4dc805f4fd965a6f31
SHA1

5baace114e4cc49ebef260bbd03ba47da113952c
SHA256

5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1
SHA512

535076302439e2b05322564b214e30f3279421b8a5a622f8f453e7a15c1941d930b328e92bc988c0454aa68d1e4bea6c21c72706b158525c7885289b4f43ca9d
SSDEEP

12288:gOFLupOB0JuVwO9LupOB0JuVwO9LupOB0JuVwO9LupOB0JuVwO9LupOB0JuVwO9A:baOZDaOZDaOZDaOZDaOZDaOZw2Zu

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\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-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe

Executes dropped EXE 2 IoCs

pid	Process
3768	KavUpda.exe
1724	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1~4.exe

Sets file execution options in registry 2 TTPs 20 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

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

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1016-134-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/files/0x0006000000022def-163.dat	upx
behavioral2/files/0x0006000000022def-164.dat	upx
behavioral2/memory/3768-165-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/3768-190-0x0000000000400000-0x0000000000440000-memory.dmp	upx

Drops autorun.inf file 1 TTPs 1 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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Option.bat	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File opened for modification	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe
File opened for modification	C:\Windows\system\KavUpda.exe	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
File created	C:\Windows\Help\HelpCat.exe	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
File created	C:\Windows\Sysinf.bat	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
File created	C:\Windows\regedt32.sys	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe

Launches sc.exe 8 IoCs

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

pid	Process
4856	sc.exe
4000	sc.exe
2296	sc.exe
2164	sc.exe
1540	sc.exe
3652	sc.exe
3144	sc.exe
2816	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
4668	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	3768	KavUpda.exe
Token: SeIncBasePriorityPrivilege	3768	KavUpda.exe
Token: 33	3768	KavUpda.exe
Token: SeIncBasePriorityPrivilege	3768	KavUpda.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: 33	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
Token: SeIncBasePriorityPrivilege	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
3768	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 2540	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	80
PID 1016 wrote to memory of 2540	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	80
PID 1016 wrote to memory of 2540	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	80
PID 1016 wrote to memory of 4580	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	82
PID 1016 wrote to memory of 4580	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	82
PID 1016 wrote to memory of 4580	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	82
PID 4580 wrote to memory of 1616	4580	net.exe	84
PID 4580 wrote to memory of 1616	4580	net.exe	84
PID 4580 wrote to memory of 1616	4580	net.exe	84
PID 1016 wrote to memory of 1140	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	85
PID 1016 wrote to memory of 1140	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	85
PID 1016 wrote to memory of 1140	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	85
PID 1016 wrote to memory of 3488	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	87
PID 1016 wrote to memory of 3488	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	87
PID 1016 wrote to memory of 3488	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	87
PID 1016 wrote to memory of 4388	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	90
PID 1016 wrote to memory of 4388	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	90
PID 1016 wrote to memory of 4388	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	90
PID 1016 wrote to memory of 2156	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	88
PID 1016 wrote to memory of 2156	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	88
PID 1016 wrote to memory of 2156	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	88
PID 1016 wrote to memory of 1348	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	97
PID 1016 wrote to memory of 1348	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	97
PID 1016 wrote to memory of 1348	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	97
PID 1016 wrote to memory of 4252	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	96
PID 1016 wrote to memory of 4252	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	96
PID 1016 wrote to memory of 4252	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	96
PID 1016 wrote to memory of 4960	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	94
PID 1016 wrote to memory of 4960	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	94
PID 1016 wrote to memory of 4960	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	94
PID 1016 wrote to memory of 1200	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	99
PID 1016 wrote to memory of 1200	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	99
PID 1016 wrote to memory of 1200	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	99
PID 1016 wrote to memory of 2164	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	101
PID 1016 wrote to memory of 2164	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	101
PID 1016 wrote to memory of 2164	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	101
PID 1016 wrote to memory of 1540	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	103
PID 1016 wrote to memory of 1540	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	103
PID 1016 wrote to memory of 1540	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	103
PID 1348 wrote to memory of 1460	1348	net.exe	111
PID 1348 wrote to memory of 1460	1348	net.exe	111
PID 1348 wrote to memory of 1460	1348	net.exe	111
PID 1016 wrote to memory of 3652	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	104
PID 1016 wrote to memory of 3652	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	104
PID 1016 wrote to memory of 3652	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	104
PID 2156 wrote to memory of 3240	2156	net.exe	105
PID 2156 wrote to memory of 3240	2156	net.exe	105
PID 2156 wrote to memory of 3240	2156	net.exe	105
PID 1016 wrote to memory of 3144	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	107
PID 1016 wrote to memory of 3144	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	107
PID 1016 wrote to memory of 3144	1016	5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe	107
PID 4252 wrote to memory of 756	4252	net.exe	106
PID 4252 wrote to memory of 756	4252	net.exe	106
PID 4252 wrote to memory of 756	4252	net.exe	106
PID 4960 wrote to memory of 4996	4960	net.exe	112
PID 4960 wrote to memory of 4996	4960	net.exe	112
PID 4960 wrote to memory of 4996	4960	net.exe	112
PID 1200 wrote to memory of 4292	1200	net.exe	113
PID 1200 wrote to memory of 4292	1200	net.exe	113
PID 1200 wrote to memory of 4292	1200	net.exe	113
PID 3488 wrote to memory of 4896	3488	cmd.exe	114
PID 3488 wrote to memory of 4896	3488	cmd.exe	114
PID 3488 wrote to memory of 4896	3488	cmd.exe	114
PID 4388 wrote to memory of 4956	4388	cmd.exe	115

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
5004	attrib.exe
1504	attrib.exe

C:\Users\Admin\AppData\Local\Temp\5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe
"C:\Users\Admin\AppData\Local\Temp\5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
  2⤵
  PID:2540
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4580
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:1616
- C:\Windows\SysWOW64\At.exe
  At.exe 10:27:17 PM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:1140
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 10:26:30 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3488
- - C:\Windows\SysWOW64\at.exe
    at 10:26:30 PM C:\Windows\Sysinf.bat
    3⤵
    PID:4896
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2156
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:3240
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 10:29:30 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4388
- - C:\Windows\SysWOW64\at.exe
    at 10:29:30 PM C:\Windows\Sysinf.bat
    3⤵
    PID:4956
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4960
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:4996
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4252
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:756
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1348
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:1460
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1200
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:4292
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:2164
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:1540
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:3652
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:3144
- 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:4668
- 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:2336
- 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:1840
- 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:3768
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
    3⤵
    PID:1596
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:3812
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:4952
- - C:\Windows\SysWOW64\At.exe
    At.exe 10:27:51 PM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:3184
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 10:26:54 PM C:\Windows\Sysinf.bat
    3⤵
    PID:4504
  - - C:\Windows\SysWOW64\at.exe
      at 10:26:54 PM C:\Windows\Sysinf.bat
      4⤵
      PID:1124
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 10:29:54 PM C:\Windows\Sysinf.bat
    3⤵
    PID:4700
  - - C:\Windows\SysWOW64\at.exe
      at 10:29:54 PM C:\Windows\Sysinf.bat
      4⤵
      PID:4660
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:5040
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:4508
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:1132
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:2276
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:2424
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:5100
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:3468
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:404
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:2628
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:3560
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:2816
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:4856
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:4000
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:2296
- - 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:2768
- - 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:2388
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:844
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:5004
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:3632
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4584
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1504
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1776
- C:\Users\Admin\AppData\Local\Temp\5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1~4.exe
  5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1~4.exe
  2⤵
  - Executes dropped EXE
  PID:1724
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:4552
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:3652
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:4492
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:1848
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:5096
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:5032
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:1388
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1320
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:4716
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:4388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1~4.exe

Filesize
41KB

MD5
29ed429a12deeaee5e40307c5215e8d8

SHA1
4069ba1d5314124d6faa4dc84227f424cc3ce0db

SHA256
1d07d04441cd13241ac0d92e86862a37e02bbbae849f79967409fff2e9056dbc

SHA512
341323bf1ffccb9edba79505f7d2582cc1c6ee3285e6fd16ca87868d5ef8fa8669030c6663da0618d08c310a1776d5614de25dcf0041e5a0931ecd17c49008ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\5343aec8e7b3c337495ff2fda5d5e07562427c9d7ea23280d6ed0e6b600906e1~4.exe

Filesize
41KB

MD5
29ed429a12deeaee5e40307c5215e8d8

SHA1
4069ba1d5314124d6faa4dc84227f424cc3ce0db

SHA256
1d07d04441cd13241ac0d92e86862a37e02bbbae849f79967409fff2e9056dbc

SHA512
341323bf1ffccb9edba79505f7d2582cc1c6ee3285e6fd16ca87868d5ef8fa8669030c6663da0618d08c310a1776d5614de25dcf0041e5a0931ecd17c49008ac

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

Filesize
82B

MD5
3f7fbd2eb34892646e93fd5e6e343512

SHA1
265ac1061b54f62350fb7a5f57e566454d013a66

SHA256
e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7

SHA512
53d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140

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
1.8MB

MD5
101edf02059661a3dddb85e8230ade6e

SHA1
456e0a0d64d564599bb2bb271c2a1306e692de56

SHA256
213c8c0d7ff455524cbe886093bff39360ab26407a2132767eb9ac71208eab6a

SHA512
d91eca11f819d6e117dbf70e0f2c77fdccd674be5a331386b7d2c53362c3f5f2e098c57708d67270cd5b94607de2b7670b06baa42e2548e243e92c7d3fed6fb1

Download Submit
C:\Windows\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

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

Filesize
1.8MB

MD5
101edf02059661a3dddb85e8230ade6e

SHA1
456e0a0d64d564599bb2bb271c2a1306e692de56

SHA256
213c8c0d7ff455524cbe886093bff39360ab26407a2132767eb9ac71208eab6a

SHA512
d91eca11f819d6e117dbf70e0f2c77fdccd674be5a331386b7d2c53362c3f5f2e098c57708d67270cd5b94607de2b7670b06baa42e2548e243e92c7d3fed6fb1

Download Submit
memory/1016-134-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3768-190-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3768-165-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads