43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d

Analysis

max time kernel
152s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23/11/2022, 21:37

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General

Target

43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Size

3.6MB
MD5

89b7112fcaad99654c0f76dd7197123e
SHA1

82769f22e4c2e9cfb75b837b36a6637192898378
SHA256

43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d
SHA512

44bf969cac988eac1019ed9e142489aa8f5b6db438f711811eed5443f32adc2e5d67a1c7261092d143ffd8f439a36c73578b4f7f31744bb3ef6f6f8404976429
SSDEEP

49152:ZerQZbd2f8ferQZbd2f8ferQZbd2f8ferQZbd2f8ferQZbd2f8Xu:ArQZGrQZGrQZGrQZGrQZHu

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-1-5-21-575491160-2295418218-1540667289-1000\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-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe

Executes dropped EXE 1 IoCs

pid	Process
1736	KavUpda.exe

Sets file execution options in registry 2 TTPs 20 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
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\avp.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\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
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\RavMoD.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.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
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.EXE\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\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\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

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/772-56-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral1/memory/772-62-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral1/files/0x0006000000014f17-89.dat	upx
behavioral1/files/0x0006000000014f17-92.dat	upx
behavioral1/files/0x0006000000014f17-90.dat	upx
behavioral1/files/0x0006000000014f17-96.dat	upx
behavioral1/memory/1736-102-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral1/memory/1736-142-0x0000000000400000-0x0000000000440000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe

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	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7z.exe	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File opened for modification	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\Sysinf.bat	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
File created	C:\Windows\regedt32.sys	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\system\KavUpda.exe	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
File opened for modification	C:\Windows\system\KavUpda.exe	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
File created	C:\Windows\Help\HelpCat.exe	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe

Launches sc.exe 8 IoCs

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

pid	Process
1800	sc.exe
1788	sc.exe
1664	sc.exe
1744	sc.exe
1840	sc.exe
1632	sc.exe
1224	sc.exe
484	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
1712	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	1736	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1736	KavUpda.exe
Token: 33	1736	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1736	KavUpda.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: 33	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
Token: SeIncBasePriorityPrivilege	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
1736	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 580	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	28
PID 772 wrote to memory of 580	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	28
PID 772 wrote to memory of 580	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	28
PID 772 wrote to memory of 580	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	28
PID 772 wrote to memory of 1932	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	30
PID 772 wrote to memory of 1932	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	30
PID 772 wrote to memory of 1932	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	30
PID 772 wrote to memory of 1932	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	30
PID 1932 wrote to memory of 1304	1932	net.exe	32
PID 1932 wrote to memory of 1304	1932	net.exe	32
PID 1932 wrote to memory of 1304	1932	net.exe	32
PID 1932 wrote to memory of 1304	1932	net.exe	32
PID 772 wrote to memory of 1696	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	33
PID 772 wrote to memory of 1696	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	33
PID 772 wrote to memory of 1696	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	33
PID 772 wrote to memory of 1696	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	33
PID 772 wrote to memory of 1436	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	35
PID 772 wrote to memory of 1436	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	35
PID 772 wrote to memory of 1436	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	35
PID 772 wrote to memory of 1436	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	35
PID 772 wrote to memory of 1648	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	36
PID 772 wrote to memory of 1648	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	36
PID 772 wrote to memory of 1648	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	36
PID 772 wrote to memory of 1648	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	36
PID 772 wrote to memory of 1012	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	38
PID 772 wrote to memory of 1012	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	38
PID 772 wrote to memory of 1012	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	38
PID 772 wrote to memory of 1012	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	38
PID 772 wrote to memory of 1536	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	40
PID 772 wrote to memory of 1536	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	40
PID 772 wrote to memory of 1536	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	40
PID 772 wrote to memory of 1536	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	40
PID 1436 wrote to memory of 1556	1436	cmd.exe	42
PID 1436 wrote to memory of 1556	1436	cmd.exe	42
PID 1436 wrote to memory of 1556	1436	cmd.exe	42
PID 1436 wrote to memory of 1556	1436	cmd.exe	42
PID 772 wrote to memory of 1632	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	47
PID 772 wrote to memory of 1632	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	47
PID 772 wrote to memory of 1632	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	47
PID 772 wrote to memory of 1632	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	47
PID 772 wrote to memory of 364	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	43
PID 772 wrote to memory of 364	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	43
PID 772 wrote to memory of 364	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	43
PID 772 wrote to memory of 364	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	43
PID 1648 wrote to memory of 1984	1648	cmd.exe	46
PID 1648 wrote to memory of 1984	1648	cmd.exe	46
PID 1648 wrote to memory of 1984	1648	cmd.exe	46
PID 1648 wrote to memory of 1984	1648	cmd.exe	46
PID 772 wrote to memory of 2020	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	49
PID 772 wrote to memory of 2020	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	49
PID 772 wrote to memory of 2020	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	49
PID 772 wrote to memory of 2020	772	43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe	49
PID 1012 wrote to memory of 2008	1012	net.exe	54
PID 1012 wrote to memory of 2008	1012	net.exe	54
PID 1012 wrote to memory of 2008	1012	net.exe	54
PID 1012 wrote to memory of 2008	1012	net.exe	54
PID 1632 wrote to memory of 1936	1632	net.exe	53
PID 1632 wrote to memory of 1936	1632	net.exe	53
PID 1632 wrote to memory of 1936	1632	net.exe	53
PID 1632 wrote to memory of 1936	1632	net.exe	53
PID 2020 wrote to memory of 1076	2020	net.exe	56
PID 2020 wrote to memory of 1076	2020	net.exe	56
PID 2020 wrote to memory of 1076	2020	net.exe	56
PID 2020 wrote to memory of 1076	2020	net.exe	56

Views/modifies file attributes 1 TTPs 4 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
860	attrib.exe
1356	attrib.exe
1932	attrib.exe
668	attrib.exe

C:\Users\Admin\AppData\Local\Temp\43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.exe
"C:\Users\Admin\AppData\Local\Temp\43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d.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:772
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\Option.bat
  2⤵
  PID:580
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1932
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:1304
- C:\Windows\SysWOW64\At.exe
  At.exe 1:53:01 AM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:1696
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 1:52:41 AM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1436
- - C:\Windows\SysWOW64\at.exe
    at 1:52:41 AM C:\Windows\Sysinf.bat
    3⤵
    PID:1556
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 1:55:41 AM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1648
- - C:\Windows\SysWOW64\at.exe
    at 1:55:41 AM C:\Windows\Sysinf.bat
    3⤵
    PID:1984
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1012
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:2008
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:1536
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:1652
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:364
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1620
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1632
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:1936
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2020
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:1076
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:1788
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:1664
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:1744
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:1840
- 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:1712
- 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:1056
- 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:1172
- 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:1736
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Windows\system32\Option.bat
    3⤵
    PID:992
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:1104
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:1936
- - C:\Windows\SysWOW64\At.exe
    At.exe 1:54:00 AM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:1000
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 1:53:03 AM C:\Windows\Sysinf.bat
    3⤵
    PID:1012
  - - C:\Windows\SysWOW64\at.exe
      at 1:53:03 AM C:\Windows\Sysinf.bat
      4⤵
      PID:952
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 1:56:03 AM C:\Windows\Sysinf.bat
    3⤵
    PID:1952
  - - C:\Windows\SysWOW64\at.exe
      at 1:56:03 AM C:\Windows\Sysinf.bat
      4⤵
      PID:1256
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:1392
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:1696
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:1620
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:240
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:268
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:764
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:1388
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:1612
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:1056
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:1636
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1632
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:1224
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:484
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1800
- - 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:1864
- - 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:1044
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1608
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1404
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1932
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:548
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:668
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1620
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2044
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:860
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1768
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1772
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1356
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1560
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:1652
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:1436
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:2012
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:884
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:1168
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:860
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:516
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1708
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:1008
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:860

C:\Windows\system32\taskeng.exe
taskeng.exe {A9CEA9FF-F52E-4277-B45B-668C00A8377A} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:1104

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:\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\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

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

Filesize
3.6MB

MD5
89b7112fcaad99654c0f76dd7197123e

SHA1
82769f22e4c2e9cfb75b837b36a6637192898378

SHA256
43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d

SHA512
44bf969cac988eac1019ed9e142489aa8f5b6db438f711811eed5443f32adc2e5d67a1c7261092d143ffd8f439a36c73578b4f7f31744bb3ef6f6f8404976429

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

Filesize
3.6MB

MD5
89b7112fcaad99654c0f76dd7197123e

SHA1
82769f22e4c2e9cfb75b837b36a6637192898378

SHA256
43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d

SHA512
44bf969cac988eac1019ed9e142489aa8f5b6db438f711811eed5443f32adc2e5d67a1c7261092d143ffd8f439a36c73578b4f7f31744bb3ef6f6f8404976429

Download Submit
\Windows\system\KavUpda.exe

Filesize
3.6MB

MD5
89b7112fcaad99654c0f76dd7197123e

SHA1
82769f22e4c2e9cfb75b837b36a6637192898378

SHA256
43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d

SHA512
44bf969cac988eac1019ed9e142489aa8f5b6db438f711811eed5443f32adc2e5d67a1c7261092d143ffd8f439a36c73578b4f7f31744bb3ef6f6f8404976429

Download Submit
\Windows\system\KavUpda.exe

Filesize
3.6MB

MD5
89b7112fcaad99654c0f76dd7197123e

SHA1
82769f22e4c2e9cfb75b837b36a6637192898378

SHA256
43f4568b2ab046b79e126ebef37fcea7292c3be34727a953148464cb5a881b5d

SHA512
44bf969cac988eac1019ed9e142489aa8f5b6db438f711811eed5443f32adc2e5d67a1c7261092d143ffd8f439a36c73578b4f7f31744bb3ef6f6f8404976429

Download Submit
memory/772-62-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/772-101-0x00000000003A0000-0x00000000003E0000-memory.dmp

Filesize
256KB

Download
memory/772-100-0x00000000003A0000-0x00000000003E0000-memory.dmp

Filesize
256KB

Download
memory/772-56-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/772-140-0x00000000003A0000-0x00000000003E0000-memory.dmp

Filesize
256KB

Download
memory/772-141-0x00000000003A0000-0x00000000003E0000-memory.dmp

Filesize
256KB

Download
memory/1696-64-0x0000000076B51000-0x0000000076B53000-memory.dmp

Filesize
8KB

Download
memory/1736-142-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1736-102-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads