9fd09011199aa74110d8f1c45f497e1a659cf41f46e658d1653baee1476820c8

Analysis

max time kernel
213s
max time network
37s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29-12-2023 21:44

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General

Target

04c26705379011a8fb47516a685d1ec7.exe
Size

2.2MB
MD5

04c26705379011a8fb47516a685d1ec7
SHA1

d86bcca6448e7133d44265cd9a9df28e9de1dc14
SHA256

9fd09011199aa74110d8f1c45f497e1a659cf41f46e658d1653baee1476820c8
SHA512

268f291820219389eeb16e848a7c3d3c59b584274c2a795941efd0eafd5589fdc9bdcae1da7b65043a19201d48f2998277f66cba008b2ba605043c7f19046650
SSDEEP

12288:UZWtI6RkgUOB0vOB0/OmUOB0vOB0/OmUOB0vOB0/OmUOB0vOB0/OmUOB0vOB08CV:UuhaHOWO7OWO7OWO7OWO7OWOE1OM

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-1-5-21-3308111660-3636268597-2291490419-1000\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-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.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\taskmgr.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMoD.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMoD.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rav.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\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\taskmgr.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\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
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\KAVStart.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
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\Rav.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe

Executes dropped EXE 1 IoCs

pid	Process
2168	KavUpda.exe

Loads dropped DLL 2 IoCs

pid	Process
2576	04c26705379011a8fb47516a685d1ec7.exe
2576	04c26705379011a8fb47516a685d1ec7.exe

Drops autorun.inf file 1 TTPs 2 IoCs

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

Replication Through Removable Media

T1091

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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Option.bat	04c26705379011a8fb47516a685d1ec7.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7z.exe	04c26705379011a8fb47516a685d1ec7.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	04c26705379011a8fb47516a685d1ec7.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	04c26705379011a8fb47516a685d1ec7.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\KavUpda.exe	04c26705379011a8fb47516a685d1ec7.exe
File created	C:\Windows\regedt32.sys	04c26705379011a8fb47516a685d1ec7.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File created	C:\Windows\system\KavUpda.exe	04c26705379011a8fb47516a685d1ec7.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	04c26705379011a8fb47516a685d1ec7.exe
File created	C:\Windows\Sysinf.bat	04c26705379011a8fb47516a685d1ec7.exe
File opened for modification	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\Help\HelpCat.exe	04c26705379011a8fb47516a685d1ec7.exe

Launches sc.exe 8 IoCs

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

pid	Process
3036	sc.exe
2280	sc.exe
2296	sc.exe
2684	sc.exe
2916	sc.exe
2740	sc.exe
1248	sc.exe
1644	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
1500	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2168	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2168	KavUpda.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: 33	2576	04c26705379011a8fb47516a685d1ec7.exe
Token: SeIncBasePriorityPrivilege	2576	04c26705379011a8fb47516a685d1ec7.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2576	04c26705379011a8fb47516a685d1ec7.exe
2168	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 2656	2576	04c26705379011a8fb47516a685d1ec7.exe	29
PID 2576 wrote to memory of 2656	2576	04c26705379011a8fb47516a685d1ec7.exe	29
PID 2576 wrote to memory of 2656	2576	04c26705379011a8fb47516a685d1ec7.exe	29
PID 2576 wrote to memory of 2656	2576	04c26705379011a8fb47516a685d1ec7.exe	29
PID 2576 wrote to memory of 2144	2576	04c26705379011a8fb47516a685d1ec7.exe	31
PID 2576 wrote to memory of 2144	2576	04c26705379011a8fb47516a685d1ec7.exe	31
PID 2576 wrote to memory of 2144	2576	04c26705379011a8fb47516a685d1ec7.exe	31
PID 2576 wrote to memory of 2144	2576	04c26705379011a8fb47516a685d1ec7.exe	31
PID 2144 wrote to memory of 1940	2144	net.exe	33
PID 2144 wrote to memory of 1940	2144	net.exe	33
PID 2144 wrote to memory of 1940	2144	net.exe	33
PID 2144 wrote to memory of 1940	2144	net.exe	33
PID 2576 wrote to memory of 1812	2576	04c26705379011a8fb47516a685d1ec7.exe	34
PID 2576 wrote to memory of 1812	2576	04c26705379011a8fb47516a685d1ec7.exe	34
PID 2576 wrote to memory of 1812	2576	04c26705379011a8fb47516a685d1ec7.exe	34
PID 2576 wrote to memory of 1812	2576	04c26705379011a8fb47516a685d1ec7.exe	34
PID 2576 wrote to memory of 2212	2576	04c26705379011a8fb47516a685d1ec7.exe	36
PID 2576 wrote to memory of 2212	2576	04c26705379011a8fb47516a685d1ec7.exe	36
PID 2576 wrote to memory of 2212	2576	04c26705379011a8fb47516a685d1ec7.exe	36
PID 2576 wrote to memory of 2212	2576	04c26705379011a8fb47516a685d1ec7.exe	36
PID 2576 wrote to memory of 1044	2576	04c26705379011a8fb47516a685d1ec7.exe	37
PID 2576 wrote to memory of 1044	2576	04c26705379011a8fb47516a685d1ec7.exe	37
PID 2576 wrote to memory of 1044	2576	04c26705379011a8fb47516a685d1ec7.exe	37
PID 2576 wrote to memory of 1044	2576	04c26705379011a8fb47516a685d1ec7.exe	37
PID 2576 wrote to memory of 2420	2576	04c26705379011a8fb47516a685d1ec7.exe	39
PID 2576 wrote to memory of 2420	2576	04c26705379011a8fb47516a685d1ec7.exe	39
PID 2576 wrote to memory of 2420	2576	04c26705379011a8fb47516a685d1ec7.exe	39
PID 2576 wrote to memory of 2420	2576	04c26705379011a8fb47516a685d1ec7.exe	39
PID 2576 wrote to memory of 2772	2576	04c26705379011a8fb47516a685d1ec7.exe	40
PID 2576 wrote to memory of 2772	2576	04c26705379011a8fb47516a685d1ec7.exe	40
PID 2576 wrote to memory of 2772	2576	04c26705379011a8fb47516a685d1ec7.exe	40
PID 2576 wrote to memory of 2772	2576	04c26705379011a8fb47516a685d1ec7.exe	40
PID 2576 wrote to memory of 592	2576	04c26705379011a8fb47516a685d1ec7.exe	42
PID 2576 wrote to memory of 592	2576	04c26705379011a8fb47516a685d1ec7.exe	42
PID 2576 wrote to memory of 592	2576	04c26705379011a8fb47516a685d1ec7.exe	42
PID 2576 wrote to memory of 592	2576	04c26705379011a8fb47516a685d1ec7.exe	42
PID 2576 wrote to memory of 780	2576	04c26705379011a8fb47516a685d1ec7.exe	43
PID 2576 wrote to memory of 780	2576	04c26705379011a8fb47516a685d1ec7.exe	43
PID 2576 wrote to memory of 780	2576	04c26705379011a8fb47516a685d1ec7.exe	43
PID 2576 wrote to memory of 780	2576	04c26705379011a8fb47516a685d1ec7.exe	43
PID 780 wrote to memory of 992	780	net.exe	54
PID 780 wrote to memory of 992	780	net.exe	54
PID 780 wrote to memory of 992	780	net.exe	54
PID 780 wrote to memory of 992	780	net.exe	54
PID 2420 wrote to memory of 692	2420	net.exe	48
PID 2420 wrote to memory of 692	2420	net.exe	48
PID 2420 wrote to memory of 692	2420	net.exe	48
PID 2420 wrote to memory of 692	2420	net.exe	48
PID 2772 wrote to memory of 1788	2772	net.exe	49
PID 2772 wrote to memory of 1788	2772	net.exe	49
PID 2772 wrote to memory of 1788	2772	net.exe	49
PID 2772 wrote to memory of 1788	2772	net.exe	49
PID 2212 wrote to memory of 2036	2212	cmd.exe	52
PID 2212 wrote to memory of 2036	2212	cmd.exe	52
PID 2212 wrote to memory of 2036	2212	cmd.exe	52
PID 2212 wrote to memory of 2036	2212	cmd.exe	52
PID 2576 wrote to memory of 1476	2576	04c26705379011a8fb47516a685d1ec7.exe	51
PID 2576 wrote to memory of 1476	2576	04c26705379011a8fb47516a685d1ec7.exe	51
PID 2576 wrote to memory of 1476	2576	04c26705379011a8fb47516a685d1ec7.exe	51
PID 2576 wrote to memory of 1476	2576	04c26705379011a8fb47516a685d1ec7.exe	51
PID 592 wrote to memory of 2140	592	net.exe	53
PID 592 wrote to memory of 2140	592	net.exe	53
PID 592 wrote to memory of 2140	592	net.exe	53
PID 592 wrote to memory of 2140	592	net.exe	53

Views/modifies file attributes 1 TTPs 8 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2280	attrib.exe
2380	attrib.exe
2744	attrib.exe
1964	attrib.exe
588	attrib.exe
2816	attrib.exe
1844	attrib.exe
2624	attrib.exe

C:\Users\Admin\AppData\Local\Temp\04c26705379011a8fb47516a685d1ec7.exe
"C:\Users\Admin\AppData\Local\Temp\04c26705379011a8fb47516a685d1ec7.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:2576
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\Option.bat
  2⤵
  PID:2656
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2144
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:1940
- C:\Windows\SysWOW64\At.exe
  At.exe 2:43:22 AM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:1812
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 2:42:31 AM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2212
- - C:\Windows\SysWOW64\at.exe
    at 2:42:31 AM C:\Windows\Sysinf.bat
    3⤵
    PID:2036
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 2:45:31 AM C:\Windows\Sysinf.bat
  2⤵
  PID:1044
- - C:\Windows\SysWOW64\at.exe
    at 2:45:31 AM C:\Windows\Sysinf.bat
    3⤵
    PID:2852
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:692
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:1788
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:592
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2140
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:780
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:992
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:1476
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:976
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:1644
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:3036
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:2280
- 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:1500
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:2296
- 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:656
- 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:1820
- 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:2168
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Windows\system32\Option.bat
    3⤵
    PID:1364
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:1892
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:1856
- - C:\Windows\SysWOW64\At.exe
    At.exe 2:43:52 AM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:904
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 2:42:54 AM C:\Windows\Sysinf.bat
    3⤵
    PID:1640
  - - C:\Windows\SysWOW64\at.exe
      at 2:42:54 AM C:\Windows\Sysinf.bat
      4⤵
      PID:1960
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 2:45:54 AM C:\Windows\Sysinf.bat
    3⤵
    PID:1508
  - - C:\Windows\SysWOW64\at.exe
      at 2:45:54 AM C:\Windows\Sysinf.bat
      4⤵
      PID:1824
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:2204
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:988
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:1708
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:2856
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:888
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:2820
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:1748
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:2724
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:2992
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:2028
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:2684
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:2916
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:2740
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1248
- - 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:2092
- - 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:1592
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1468
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2744
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1300
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1556
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1964
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2508
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:948
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:588
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2392
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:792
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2816
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2196
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1536
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1844
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1816
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2612
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2624
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2152
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2312
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2280
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\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:2424
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2380
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:988
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:1944
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:2832
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:2272
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2352
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:2248
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:3024
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:2860
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:2116
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:1252
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1632

C:\Windows\system32\taskeng.exe
taskeng.exe {297A1DA7-7FC9-4E49-B6CA-2A7697444592} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:2888

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\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

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

Filesize
2.2MB

MD5
04c26705379011a8fb47516a685d1ec7

SHA1
d86bcca6448e7133d44265cd9a9df28e9de1dc14

SHA256
9fd09011199aa74110d8f1c45f497e1a659cf41f46e658d1653baee1476820c8

SHA512
268f291820219389eeb16e848a7c3d3c59b584274c2a795941efd0eafd5589fdc9bdcae1da7b65043a19201d48f2998277f66cba008b2ba605043c7f19046650

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

Filesize
293KB

MD5
3befb747d50c5530bb2d73913508447e

SHA1
0b19338b15a8ac1271f70d96252010e9659bc4ad

SHA256
6ded88496fc33f2384d76ddcde6873dc9a22d62d12a61b09ec7156ee94a58192

SHA512
daf5ac10897a6e5a6b914560e8ba8227408ea9bc98265a1c7aff77bce960df30547d49e553cbf87d4969ceaeeeec84a896d68eb519e604485a220c056090aa14

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

Filesize
1.6MB

MD5
58bc18b86ba4828d8e9a80d1be73fcec

SHA1
d4793a6c5cc04f3f9a8ffab99686f5ad891f559e

SHA256
5650d2893b04917ac39bd851d328460e88c11a7f18169c66f3febac9fa4fd0fd

SHA512
39cd26656058e53c434f97553a7caef61fbea053f8b4b9d6235b90628df94ec530eb7c3b6fe00d48c34bb7ef4163a56a9e2bb9458fc5e2f8a5fc4af0ac45d69a

Download Submit
F:\Autorun.inf

Filesize
237B

MD5
94bcd02c5afd5918b4446345e7a5ded9

SHA1
79839238e84be225132e1382fae6333dfc4906a1

SHA256
5d9f41e4f886926dae2ed8a57807708110d3c6964ab462be21462bff0088d9a1

SHA512
149f6bd49fc3b62fa5f41666bfb3a58060514eec1b61c6aa1ac4c75417c840b028e701eb5533460eb00e2fee8543379564bc47d7477264771d81b99a0caab500

Download Submit
\Windows\system\KavUpda.exe

Filesize
2.1MB

MD5
f1005bdae35618ec0f5f0a43743d2d5d

SHA1
b847d7e8ac048006e7cc7d656e80d960a6c0b054

SHA256
4b9cc4b22f23ef7c51abde174a33d0cbb543e190e48daab66c0908709f8c0b45

SHA512
bbbf6bac36e03c33e10b65e2ee0c7feeb37d6dec57d61ea78c1955ac4a4d1202a2627c205438adf3217febda45d717a72b09fdf42f5e361bbcccc73f240c2248

Download Submit
\Windows\system\KavUpda.exe

Filesize
234KB

MD5
f61f9cb53428130a9708cdf4742b55f2

SHA1
fec8beb01cbe79e62314b510563bfd6190cb3755

SHA256
63ed9c3e8435fffffc29353ea80156beb6b1f08984799f7e1c4ae798f2fae436

SHA512
fd110857230f57d8c88ed7e0ea664ad9ed8f2d4abee08f6f5800f4521c0c7d53b6f625f5d583929d2a6a5e552d6cb436cca483a0a83e3de354804142aebd1667

Download Submit
memory/2576-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads