4531f2d5d76631d190a6de6090ec546c317d98340c604ad14a91b8b2371e187f

Analysis

max time kernel
6s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 03:10

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General

Target

25df1e614e7b6795cdbb5c866968d6a2.exe
Size

451KB
MD5

25df1e614e7b6795cdbb5c866968d6a2
SHA1

180146f586a2d6de007ff1fff4a58e2b04c53393
SHA256

4531f2d5d76631d190a6de6090ec546c317d98340c604ad14a91b8b2371e187f
SHA512

b5af31346f30e8a6ae37fad6d6fc5a39cb9ee79e6045474131bd49d35b4f2e20076bdc7a421744ca1bfc02a7e554a18a57d581343a563f7978eb39d55260a094
SSDEEP

6144:UZfec9EbXDk6RkdKinmy+g46nmy+g4VrG1VVE+IqUF4hrG1VVE+IA:UZWtI6RkXVKuTa4lut

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-1-5-21-3803511929-1339359695-2191195476-1000\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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe

Sets file execution options in registry 2 TTPs 20 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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

Executes dropped EXE 1 IoCs

pid	Process
1904	KavUpda.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	F:\Autorun.inf	KavUpda.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Option.bat	25df1e614e7b6795cdbb5c866968d6a2.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
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 created	C:\Windows\system\KavUpda.exe	25df1e614e7b6795cdbb5c866968d6a2.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	25df1e614e7b6795cdbb5c866968d6a2.exe
File created	C:\Windows\Sysinf.bat	25df1e614e7b6795cdbb5c866968d6a2.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File opened for modification	C:\Windows\system\KavUpda.exe	25df1e614e7b6795cdbb5c866968d6a2.exe
File created	C:\Windows\Help\HelpCat.exe	25df1e614e7b6795cdbb5c866968d6a2.exe
File created	C:\Windows\regedt32.sys	25df1e614e7b6795cdbb5c866968d6a2.exe

Launches sc.exe 8 IoCs

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

pid	Process
5060	sc.exe
1308	sc.exe
4756	sc.exe
4376	sc.exe
4728	sc.exe
3568	sc.exe
3688	sc.exe
784	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
652	regedit.exe

Suspicious use of AdjustPrivilegeToken 60 IoCs

description	pid	Process
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	1904	KavUpda.exe
Token: SeIncBasePriorityPrivilege	1904	KavUpda.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: 33	3232	25df1e614e7b6795cdbb5c866968d6a2.exe
Token: SeIncBasePriorityPrivilege	3232	25df1e614e7b6795cdbb5c866968d6a2.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3232	25df1e614e7b6795cdbb5c866968d6a2.exe
1904	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 700	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	23
PID 3232 wrote to memory of 700	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	23
PID 3232 wrote to memory of 700	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	23
PID 3232 wrote to memory of 368	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	16
PID 3232 wrote to memory of 368	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	16
PID 3232 wrote to memory of 368	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	16
PID 368 wrote to memory of 5092	368	net.exe	151
PID 368 wrote to memory of 5092	368	net.exe	151
PID 368 wrote to memory of 5092	368	net.exe	151
PID 3232 wrote to memory of 2772	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	101
PID 3232 wrote to memory of 2772	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	101
PID 3232 wrote to memory of 2772	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	101
PID 3232 wrote to memory of 4552	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	100
PID 3232 wrote to memory of 4552	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	100
PID 3232 wrote to memory of 4552	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	100
PID 3232 wrote to memory of 4988	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	59
PID 3232 wrote to memory of 4988	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	59
PID 3232 wrote to memory of 4988	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	59
PID 3232 wrote to memory of 3600	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	98
PID 3232 wrote to memory of 3600	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	98
PID 3232 wrote to memory of 3600	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	98
PID 3232 wrote to memory of 3452	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	97
PID 3232 wrote to memory of 3452	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	97
PID 3232 wrote to memory of 3452	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	97
PID 3232 wrote to memory of 4172	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	95
PID 3232 wrote to memory of 4172	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	95
PID 3232 wrote to memory of 4172	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	95
PID 3232 wrote to memory of 2692	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	93
PID 3232 wrote to memory of 2692	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	93
PID 3232 wrote to memory of 2692	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	93
PID 3232 wrote to memory of 4348	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	89
PID 3232 wrote to memory of 4348	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	89
PID 3232 wrote to memory of 4348	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	89
PID 3232 wrote to memory of 4728	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	88
PID 3232 wrote to memory of 4728	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	88
PID 3232 wrote to memory of 4728	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	88
PID 3232 wrote to memory of 4376	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	223
PID 3232 wrote to memory of 4376	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	223
PID 3232 wrote to memory of 4376	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	223
PID 3232 wrote to memory of 4756	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	83
PID 3232 wrote to memory of 4756	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	83
PID 3232 wrote to memory of 4756	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	83
PID 3232 wrote to memory of 1308	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	81
PID 3232 wrote to memory of 1308	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	81
PID 3232 wrote to memory of 1308	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	81
PID 3232 wrote to memory of 652	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	62
PID 3232 wrote to memory of 652	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	62
PID 3232 wrote to memory of 652	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	62
PID 3232 wrote to memory of 2484	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	80
PID 3232 wrote to memory of 2484	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	80
PID 3232 wrote to memory of 2484	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	80
PID 3232 wrote to memory of 2104	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	79
PID 3232 wrote to memory of 2104	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	79
PID 3232 wrote to memory of 2104	3232	25df1e614e7b6795cdbb5c866968d6a2.exe	79
PID 4988 wrote to memory of 1644	4988	cmd.exe	65
PID 4988 wrote to memory of 1644	4988	cmd.exe	65
PID 4988 wrote to memory of 1644	4988	cmd.exe	65
PID 4172 wrote to memory of 1020	4172	net.exe	134
PID 4172 wrote to memory of 1020	4172	net.exe	134
PID 4172 wrote to memory of 1020	4172	net.exe	134
PID 3452 wrote to memory of 4480	3452	net.exe	66
PID 3452 wrote to memory of 4480	3452	net.exe	66
PID 3452 wrote to memory of 4480	3452	net.exe	66
PID 4552 wrote to memory of 3496	4552	cmd.exe	76

Views/modifies file attributes 1 TTPs 16 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3156	attrib.exe
1912	attrib.exe
2500	attrib.exe
1440	attrib.exe
4112	attrib.exe
2500	attrib.exe
3500	attrib.exe
3932	attrib.exe
4276	attrib.exe
2128	attrib.exe
688	attrib.exe
2012	attrib.exe
5060	attrib.exe
2836	attrib.exe
2552	attrib.exe
3332	attrib.exe

C:\Users\Admin\AppData\Local\Temp\25df1e614e7b6795cdbb5c866968d6a2.exe
"C:\Users\Admin\AppData\Local\Temp\25df1e614e7b6795cdbb5c866968d6a2.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:3232
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:368
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:5092
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:1860
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
  2⤵
  PID:700
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 1:51:07 AM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4988
- - C:\Windows\SysWOW64\at.exe
    at 1:51:07 AM C:\Windows\Sysinf.bat
    3⤵
    PID:1644
- 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:652
- 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:1904
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:2704
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:3964
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2456
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4996
- - 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:1020
- - 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:1768
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:3568
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:3688
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:784
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:5060
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:5092
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:1552
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:5068
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:5044
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 1:51:10 AM C:\Windows\Sysinf.bat
    3⤵
    PID:4404
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 1:48:10 AM C:\Windows\Sysinf.bat
    3⤵
    PID:4284
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:5052
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4268
- - C:\Windows\SysWOW64\At.exe
    At.exe 1:49:08 AM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:5108
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4932
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3240
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:4996
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4408
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2000
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4376
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:532
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4972
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2500
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:368
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4176
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1108
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4140
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4016
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1584
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:244
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2200
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1788
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3764
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:3500
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:4880
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4660
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1804
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3080
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:3228
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4736
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:3500
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3000
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1408
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1044
- 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:2104
- 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:2484
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:1308
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:4756
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:4376
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:4728
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:4348
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:2692
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4172
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3452
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:3600
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 1:48:07 AM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4552
- C:\Windows\SysWOW64\At.exe
  At.exe 1:49:05 AM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:2772
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:3216
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:3988
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:2644
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:1464
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:1060

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:4480

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:1440

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:3260

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:1880

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start schedule /y
1⤵
PID:3652

C:\Windows\SysWOW64\net.exe
net.exe start schedule /y
1⤵
PID:3240
- C:\Windows\SysWOW64\attrib.exe
  attrib -s -h -r F:\Autorun.inf\*.* /s /d
  2⤵
  - Views/modifies file attributes
  PID:1912

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
1⤵
PID:4816

C:\Windows\SysWOW64\at.exe
at 1:48:07 AM C:\Windows\Sysinf.bat
1⤵
PID:3496

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
1⤵
PID:1020

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:3260

C:\Windows\SysWOW64\at.exe
at 1:51:10 AM C:\Windows\Sysinf.bat
1⤵
PID:4612

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:4276

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:2348

C:\Windows\SysWOW64\at.exe
at 1:48:10 AM C:\Windows\Sysinf.bat
1⤵
PID:4548

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
1⤵
PID:4684

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:5024

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:2212

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
1⤵
PID:2708

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:1440

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:4504

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2836

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:3260

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:2704

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2552

C:\Windows\System32\sihclient.exe
C:\Windows\System32\sihclient.exe /cv tiAJJsFzZUWJHFieBKSYdA.0.2
1⤵
PID:1880

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:3332

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:688

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:1440

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2500

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:3156

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:3932

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2128

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:2348

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:4112

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:2012

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:5060

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\Sysinf.bat

Filesize
460B

MD5
7db3d565d6ddbe65a8b0e093910e7dcd

SHA1
d4804e6180c6e74ba79d3343f2f2ccb15e502f12

SHA256
a2778cb87fd88c7508ffd506a8ff8d58d0ffc02156f846956e5e99c6cb3d2f3f

SHA512
0b3d1d0f44feba9dd78903ff77fdeaea834d930990a86641fb2e4ce04da280d33f6bee0ae0b1320e4070cbe20824062e45b52e5cad797c5985d8e31dce1ef82b

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

Filesize
92KB

MD5
9253be46af98a0b40c26d6bdd6a13107

SHA1
e5c93a9d400921734c8ef43472432f5735d9a429

SHA256
af5b86a2ec44ebd362552ba20cf8bdcaceab76c83d962a54b4c36b59dc9eb759

SHA512
b6e2b37e962c2e17c38a519203e8817252cb53f812fb0722f52029dafa50ccc3a921db9707d7249d732d30b8359ecfa74c18e998b985792d265eb76c2c7b8589

Download Submit
C:\Windows\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

Download Submit
memory/3232-0-0x0000000000400000-0x0000000000436000-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