2cfded7d384d568ff83516b3ca01a463f5164184c6cdcd50ced52b87d796d54a

Analysis

max time kernel
178s
max time network
202s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2024 19:47

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General

Target

a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Size

862KB
MD5

a7ef1f6cf11c9e7d7012a478cfc9713a
SHA1

a2fa829b99a1f4850ba45ba5f5148640063c1e78
SHA256

2cfded7d384d568ff83516b3ca01a463f5164184c6cdcd50ced52b87d796d54a
SHA512

1399d82a9160ed53359c70b37c0369d3c3072ee07a2c8186fee12ae96aab4a8affee0ec1340c1932db946d71f525f5e752c7faa1da20a90262bf6d15a415b96c
SSDEEP

12288:UZWtI6Rk7NerQZb+md4w1U4ureZJys73dOvXDpNjNe81a4O2:Uuha7NerQZb+md4wmXeZJ8NI81hV

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
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\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\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\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\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\15 = "KAVStart.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\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\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\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\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\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\11 = "KPFW32.EXE"	regedit.exe
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\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\6 = "RavMon.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

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

Executes dropped EXE 1 IoCs

pid	Process
2508	KavUpda.exe

Drops autorun.inf file 1 TTPs 2 IoCs

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

Replication Through Removable Media

T1091

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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Option.bat	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\createdump.exe	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\createdump.exe	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	a7ef1f6cf11c9e7d7012a478cfc9713a.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\regedt32.sys	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
File opened for modification	C:\Windows\regedt32.sys	KavUpda.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	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
File opened for modification	C:\Windows\system\KavUpda.exe	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
File created	C:\Windows\Help\HelpCat.exe	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
File created	C:\Windows\Sysinf.bat	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe

Launches sc.exe 8 IoCs

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

pid	Process
2104	sc.exe
3188	sc.exe
3348	sc.exe
2644	sc.exe
4592	sc.exe
752	sc.exe
4944	sc.exe
4476	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
824	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	2508	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2508	KavUpda.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: 33	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
Token: SeIncBasePriorityPrivilege	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe
2508	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 1296	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	88
PID 1740 wrote to memory of 1296	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	88
PID 1740 wrote to memory of 1296	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	88
PID 1740 wrote to memory of 4972	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	90
PID 1740 wrote to memory of 4972	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	90
PID 1740 wrote to memory of 4972	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	90
PID 4972 wrote to memory of 2452	4972	net.exe	92
PID 4972 wrote to memory of 2452	4972	net.exe	92
PID 4972 wrote to memory of 2452	4972	net.exe	92
PID 1740 wrote to memory of 552	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	99
PID 1740 wrote to memory of 552	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	99
PID 1740 wrote to memory of 552	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	99
PID 1740 wrote to memory of 3004	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	95
PID 1740 wrote to memory of 3004	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	95
PID 1740 wrote to memory of 3004	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	95
PID 1740 wrote to memory of 4272	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	94
PID 1740 wrote to memory of 4272	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	94
PID 1740 wrote to memory of 4272	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	94
PID 1740 wrote to memory of 1400	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	101
PID 1740 wrote to memory of 1400	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	101
PID 1740 wrote to memory of 1400	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	101
PID 1740 wrote to memory of 4420	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	102
PID 1740 wrote to memory of 4420	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	102
PID 1740 wrote to memory of 4420	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	102
PID 1740 wrote to memory of 2424	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	103
PID 1740 wrote to memory of 2424	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	103
PID 1740 wrote to memory of 2424	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	103
PID 1740 wrote to memory of 2056	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	104
PID 1740 wrote to memory of 2056	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	104
PID 1740 wrote to memory of 2056	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	104
PID 1740 wrote to memory of 2092	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	105
PID 1740 wrote to memory of 2092	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	105
PID 1740 wrote to memory of 2092	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	105
PID 1740 wrote to memory of 4476	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	112
PID 1740 wrote to memory of 4476	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	112
PID 1740 wrote to memory of 4476	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	112
PID 1400 wrote to memory of 1508	1400	net.exe	114
PID 1400 wrote to memory of 1508	1400	net.exe	114
PID 1400 wrote to memory of 1508	1400	net.exe	114
PID 1740 wrote to memory of 2104	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	115
PID 1740 wrote to memory of 2104	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	115
PID 1740 wrote to memory of 2104	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	115
PID 4420 wrote to memory of 1036	4420	net.exe	113
PID 4420 wrote to memory of 1036	4420	net.exe	113
PID 4420 wrote to memory of 1036	4420	net.exe	113
PID 2424 wrote to memory of 3716	2424	net.exe	124
PID 2424 wrote to memory of 3716	2424	net.exe	124
PID 2424 wrote to memory of 3716	2424	net.exe	124
PID 1740 wrote to memory of 3348	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	123
PID 1740 wrote to memory of 3348	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	123
PID 1740 wrote to memory of 3348	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	123
PID 2056 wrote to memory of 1268	2056	net.exe	122
PID 2056 wrote to memory of 1268	2056	net.exe	122
PID 2056 wrote to memory of 1268	2056	net.exe	122
PID 2092 wrote to memory of 4208	2092	net.exe	119
PID 2092 wrote to memory of 4208	2092	net.exe	119
PID 2092 wrote to memory of 4208	2092	net.exe	119
PID 3004 wrote to memory of 2384	3004	cmd.exe	121
PID 3004 wrote to memory of 2384	3004	cmd.exe	121
PID 3004 wrote to memory of 2384	3004	cmd.exe	121
PID 1740 wrote to memory of 3188	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	118
PID 1740 wrote to memory of 3188	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	118
PID 1740 wrote to memory of 3188	1740	a7ef1f6cf11c9e7d7012a478cfc9713a.exe	118
PID 4272 wrote to memory of 4900	4272	cmd.exe	126

Views/modifies file attributes 1 TTPs 11 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3516	attrib.exe
4520	attrib.exe
3944	attrib.exe
1900	attrib.exe
4748	attrib.exe
4960	attrib.exe
3688	attrib.exe
736	attrib.exe
5024	attrib.exe
3548	attrib.exe
4456	attrib.exe

C:\Users\Admin\AppData\Local\Temp\a7ef1f6cf11c9e7d7012a478cfc9713a.exe
"C:\Users\Admin\AppData\Local\Temp\a7ef1f6cf11c9e7d7012a478cfc9713a.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:1740
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
  2⤵
  PID:1296
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4972
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:2452
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 7:52:57 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4272
- - C:\Windows\SysWOW64\at.exe
    at 7:52:57 PM C:\Windows\Sysinf.bat
    3⤵
    PID:4900
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 7:49:57 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3004
- - C:\Windows\SysWOW64\at.exe
    at 7:49:57 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2384
- C:\Windows\SysWOW64\At.exe
  At.exe 7:50:51 PM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:552
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:1508
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4420
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:1036
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:3716
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2056
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1268
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:4208
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:4476
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:2104
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:3188
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:3348
- 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:824
- 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:3368
- 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:2368
- 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:2508
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
    3⤵
    PID:4636
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:4348
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:4140
- - C:\Windows\SysWOW64\At.exe
    At.exe 7:51:10 PM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:1324
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:4748
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:2052
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 7:53:12 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2208
  - - C:\Windows\SysWOW64\at.exe
      at 7:53:12 PM C:\Windows\Sysinf.bat
      4⤵
      PID:3316
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 7:50:12 PM C:\Windows\Sysinf.bat
    3⤵
    PID:4896
  - - C:\Windows\SysWOW64\at.exe
      at 7:50:12 PM C:\Windows\Sysinf.bat
      4⤵
      PID:2872
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:4604
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:2852
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:5008
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:1232
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:3960
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:3920
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:2644
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:4592
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:752
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:2272
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:2808
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:4944
- - 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:1184
- - 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:1572
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2056
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:3516
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4820
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:3608
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:3688
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1152
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3108
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:736
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1800
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1640
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:5024
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2324
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1268
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4520
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2288
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4176
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:3944
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:4348
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3980
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1900
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4540
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4284
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4748
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:3292
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:708
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4960
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:3440
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:3632
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:3548
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:4052
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4856
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4456
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:5076
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:4000
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:4372
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:4404
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:2900
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:2184
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:3476
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:2140
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1768
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:4908
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:4368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Option.bat

Filesize
82B

MD5
3f7fbd2eb34892646e93fd5e6e343512

SHA1
265ac1061b54f62350fb7a5f57e566454d013a66

SHA256
e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7

SHA512
53d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140

Download Submit
C:\Windows\Sysinf.bat

Filesize
460B

MD5
7db3d565d6ddbe65a8b0e093910e7dcd

SHA1
d4804e6180c6e74ba79d3343f2f2ccb15e502f12

SHA256
a2778cb87fd88c7508ffd506a8ff8d58d0ffc02156f846956e5e99c6cb3d2f3f

SHA512
0b3d1d0f44feba9dd78903ff77fdeaea834d930990a86641fb2e4ce04da280d33f6bee0ae0b1320e4070cbe20824062e45b52e5cad797c5985d8e31dce1ef82b

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

Filesize
862KB

MD5
a7ef1f6cf11c9e7d7012a478cfc9713a

SHA1
a2fa829b99a1f4850ba45ba5f5148640063c1e78

SHA256
2cfded7d384d568ff83516b3ca01a463f5164184c6cdcd50ced52b87d796d54a

SHA512
1399d82a9160ed53359c70b37c0369d3c3072ee07a2c8186fee12ae96aab4a8affee0ec1340c1932db946d71f525f5e752c7faa1da20a90262bf6d15a415b96c

Download Submit
C:\Windows\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

Download Submit
F:\Autorun.inf

Filesize
237B

MD5
94bcd02c5afd5918b4446345e7a5ded9

SHA1
79839238e84be225132e1382fae6333dfc4906a1

SHA256
5d9f41e4f886926dae2ed8a57807708110d3c6964ab462be21462bff0088d9a1

SHA512
149f6bd49fc3b62fa5f41666bfb3a58060514eec1b61c6aa1ac4c75417c840b028e701eb5533460eb00e2fee8543379564bc47d7477264771d81b99a0caab500

Download Submit
memory/1740-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads