9f579041ad06b136aab98ac0a4d06c1b171cbfe22219e047f637498d9eed91dd

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/01/2024, 15:19

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General

Target

fa08d8b751ba4af68c10105986f454dd.exe
Size

3.4MB
MD5

fa08d8b751ba4af68c10105986f454dd
SHA1

6439e89c11809a6257a99bf739ea1be734b1acd1
SHA256

9f579041ad06b136aab98ac0a4d06c1b171cbfe22219e047f637498d9eed91dd
SHA512

0658cd42435817c8649b6e7835a67d59b258f8dd99a2269ada3b5f4609bd3295cc747030007b8212db7e549ca352137ac7cba2f9aa8498e48f51cf6e9c2fa708
SSDEEP

12288:UZWtI6RkoyuVOuyuVOuyuVOuyuVOuyuhrRZOiyuVOuyuVOuyuVOuyuVOuyuhrRZ5:UuhaShhp

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-1-5-21-928733405-3780110381-2966456290-1000\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-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.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\360tray.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.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
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe	regedit.exe
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\KAVStart.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
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\RfwMain.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
2868	KavUpda.exe

Loads dropped DLL 2 IoCs

pid	Process
1972	fa08d8b751ba4af68c10105986f454dd.exe
1972	fa08d8b751ba4af68c10105986f454dd.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 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Option.bat	fa08d8b751ba4af68c10105986f454dd.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe
File opened for modification	C:\Windows\SysWOW64\Folderdir	fa08d8b751ba4af68c10105986f454dd.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	fa08d8b751ba4af68c10105986f454dd.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	fa08d8b751ba4af68c10105986f454dd.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	fa08d8b751ba4af68c10105986f454dd.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	fa08d8b751ba4af68c10105986f454dd.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	fa08d8b751ba4af68c10105986f454dd.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	fa08d8b751ba4af68c10105986f454dd.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	fa08d8b751ba4af68c10105986f454dd.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	fa08d8b751ba4af68c10105986f454dd.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\system\KavUpda.exe	fa08d8b751ba4af68c10105986f454dd.exe
File opened for modification	C:\Windows\system\KavUpda.exe	fa08d8b751ba4af68c10105986f454dd.exe
File created	C:\Windows\Sysinf.bat	fa08d8b751ba4af68c10105986f454dd.exe
File created	C:\Windows\regedt32.sys	fa08d8b751ba4af68c10105986f454dd.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File created	C:\Windows\Help\HelpCat.exe	fa08d8b751ba4af68c10105986f454dd.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	fa08d8b751ba4af68c10105986f454dd.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe

Launches sc.exe 8 IoCs

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

pid	Process
3040	sc.exe
1732	sc.exe
884	sc.exe
2652	sc.exe
2904	sc.exe
1880	sc.exe
2920	sc.exe
2940	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
2160	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: 33	1972	fa08d8b751ba4af68c10105986f454dd.exe
Token: SeIncBasePriorityPrivilege	1972	fa08d8b751ba4af68c10105986f454dd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1972	fa08d8b751ba4af68c10105986f454dd.exe
2868	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2404	1972	fa08d8b751ba4af68c10105986f454dd.exe	32
PID 1972 wrote to memory of 2404	1972	fa08d8b751ba4af68c10105986f454dd.exe	32
PID 1972 wrote to memory of 2404	1972	fa08d8b751ba4af68c10105986f454dd.exe	32
PID 1972 wrote to memory of 2404	1972	fa08d8b751ba4af68c10105986f454dd.exe	32
PID 1972 wrote to memory of 2772	1972	fa08d8b751ba4af68c10105986f454dd.exe	31
PID 1972 wrote to memory of 2772	1972	fa08d8b751ba4af68c10105986f454dd.exe	31
PID 1972 wrote to memory of 2772	1972	fa08d8b751ba4af68c10105986f454dd.exe	31
PID 1972 wrote to memory of 2772	1972	fa08d8b751ba4af68c10105986f454dd.exe	31
PID 2772 wrote to memory of 2984	2772	net.exe	30
PID 2772 wrote to memory of 2984	2772	net.exe	30
PID 2772 wrote to memory of 2984	2772	net.exe	30
PID 2772 wrote to memory of 2984	2772	net.exe	30
PID 1972 wrote to memory of 2804	1972	fa08d8b751ba4af68c10105986f454dd.exe	64
PID 1972 wrote to memory of 2804	1972	fa08d8b751ba4af68c10105986f454dd.exe	64
PID 1972 wrote to memory of 2804	1972	fa08d8b751ba4af68c10105986f454dd.exe	64
PID 1972 wrote to memory of 2804	1972	fa08d8b751ba4af68c10105986f454dd.exe	64
PID 1972 wrote to memory of 2756	1972	fa08d8b751ba4af68c10105986f454dd.exe	62
PID 1972 wrote to memory of 2756	1972	fa08d8b751ba4af68c10105986f454dd.exe	62
PID 1972 wrote to memory of 2756	1972	fa08d8b751ba4af68c10105986f454dd.exe	62
PID 1972 wrote to memory of 2756	1972	fa08d8b751ba4af68c10105986f454dd.exe	62
PID 1972 wrote to memory of 2936	1972	fa08d8b751ba4af68c10105986f454dd.exe	33
PID 1972 wrote to memory of 2936	1972	fa08d8b751ba4af68c10105986f454dd.exe	33
PID 1972 wrote to memory of 2936	1972	fa08d8b751ba4af68c10105986f454dd.exe	33
PID 1972 wrote to memory of 2936	1972	fa08d8b751ba4af68c10105986f454dd.exe	33
PID 1972 wrote to memory of 2704	1972	fa08d8b751ba4af68c10105986f454dd.exe	60
PID 1972 wrote to memory of 2704	1972	fa08d8b751ba4af68c10105986f454dd.exe	60
PID 1972 wrote to memory of 2704	1972	fa08d8b751ba4af68c10105986f454dd.exe	60
PID 1972 wrote to memory of 2704	1972	fa08d8b751ba4af68c10105986f454dd.exe	60
PID 2756 wrote to memory of 2616	2756	cmd.exe	57
PID 2756 wrote to memory of 2616	2756	cmd.exe	57
PID 2756 wrote to memory of 2616	2756	cmd.exe	57
PID 2756 wrote to memory of 2616	2756	cmd.exe	57
PID 1972 wrote to memory of 2624	1972	fa08d8b751ba4af68c10105986f454dd.exe	56
PID 1972 wrote to memory of 2624	1972	fa08d8b751ba4af68c10105986f454dd.exe	56
PID 1972 wrote to memory of 2624	1972	fa08d8b751ba4af68c10105986f454dd.exe	56
PID 1972 wrote to memory of 2624	1972	fa08d8b751ba4af68c10105986f454dd.exe	56
PID 1972 wrote to memory of 2572	1972	fa08d8b751ba4af68c10105986f454dd.exe	34
PID 1972 wrote to memory of 2572	1972	fa08d8b751ba4af68c10105986f454dd.exe	34
PID 1972 wrote to memory of 2572	1972	fa08d8b751ba4af68c10105986f454dd.exe	34
PID 1972 wrote to memory of 2572	1972	fa08d8b751ba4af68c10105986f454dd.exe	34
PID 1972 wrote to memory of 2632	1972	fa08d8b751ba4af68c10105986f454dd.exe	136
PID 1972 wrote to memory of 2632	1972	fa08d8b751ba4af68c10105986f454dd.exe	136
PID 1972 wrote to memory of 2632	1972	fa08d8b751ba4af68c10105986f454dd.exe	136
PID 1972 wrote to memory of 2632	1972	fa08d8b751ba4af68c10105986f454dd.exe	136
PID 2572 wrote to memory of 2548	2572	net.exe	35
PID 2572 wrote to memory of 2548	2572	net.exe	35
PID 2572 wrote to memory of 2548	2572	net.exe	35
PID 2572 wrote to memory of 2548	2572	net.exe	35
PID 2936 wrote to memory of 1464	2936	cmd.exe	49
PID 2936 wrote to memory of 1464	2936	cmd.exe	49
PID 2936 wrote to memory of 1464	2936	cmd.exe	49
PID 2936 wrote to memory of 1464	2936	cmd.exe	49
PID 2632 wrote to memory of 1672	2632	cmd.exe	47
PID 2632 wrote to memory of 1672	2632	cmd.exe	47
PID 2632 wrote to memory of 1672	2632	cmd.exe	47
PID 2632 wrote to memory of 1672	2632	cmd.exe	47
PID 2624 wrote to memory of 2204	2624	net.exe	93
PID 2624 wrote to memory of 2204	2624	net.exe	93
PID 2624 wrote to memory of 2204	2624	net.exe	93
PID 2624 wrote to memory of 2204	2624	net.exe	93
PID 1972 wrote to memory of 2508	1972	fa08d8b751ba4af68c10105986f454dd.exe	52
PID 1972 wrote to memory of 2508	1972	fa08d8b751ba4af68c10105986f454dd.exe	52
PID 1972 wrote to memory of 2508	1972	fa08d8b751ba4af68c10105986f454dd.exe	52
PID 1972 wrote to memory of 2508	1972	fa08d8b751ba4af68c10105986f454dd.exe	52

Views/modifies file attributes 1 TTPs 12 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1968	attrib.exe
332	attrib.exe
2684	attrib.exe
1168	attrib.exe
2204	attrib.exe
2744	attrib.exe
1704	attrib.exe
776	attrib.exe
1528	attrib.exe
2328	attrib.exe
2000	attrib.exe
1576	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fa08d8b751ba4af68c10105986f454dd.exe
"C:\Users\Admin\AppData\Local\Temp\fa08d8b751ba4af68c10105986f454dd.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:1972
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2772
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\Option.bat
  2⤵
  PID:2404
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 3:26:32 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\at.exe
    at 3:26:32 PM C:\Windows\Sysinf.bat
    3⤵
    PID:1464
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2548
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:2904
- 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:2160
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:1880
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:2920
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:2940
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:2508
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:2632
- - C:\Windows\SysWOW64\attrib.exe
    attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    - Views/modifies file attributes
    PID:2744
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2624
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:2704
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 3:23:32 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2756
- C:\Windows\SysWOW64\At.exe
  At.exe 3:24:30 PM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:2804
- 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:564
- 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:596
- 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 SetWindowsHookEx
  PID:2868
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:2380
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:2180
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c C:\Windows\system32\Option.bat
    3⤵
    PID:1776
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 3:27:10 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2476
  - - C:\Windows\SysWOW64\at.exe
      at 3:27:10 PM C:\Windows\Sysinf.bat
      4⤵
      PID:2360
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:1788
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:2528
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:2140
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:1620
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:3040
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2540
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2204
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2716
- - 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:1604
- - 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:2052
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1732
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:884
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:2652
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:1552
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:2460
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:1940
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 3:24:10 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2444
- - C:\Windows\SysWOW64\At.exe
    At.exe 3:25:08 PM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:840
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2284
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2632
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1692
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1704
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:996
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:268
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:320
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:628
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1968
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1352
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1676
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1528
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2584
- - 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:2328
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1616
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:3068
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2000
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1688
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3040
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:332
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2240
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2432
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2684
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2796
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2484
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1168
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:884
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2780
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1576
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2748
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:1632
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:2328
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:2536
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:948
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:1668
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:1904

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start schedule /y
1⤵
PID:2984

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:2888

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:1672

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:2204

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:2640

C:\Windows\SysWOW64\at.exe
at 3:23:32 PM C:\Windows\Sysinf.bat
1⤵
PID:2616

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
1⤵
PID:2524

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:1756

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:2492

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:1156

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:636

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:1076

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:2104

C:\Windows\SysWOW64\at.exe
at 3:24:10 PM C:\Windows\Sysinf.bat
1⤵
PID:1920

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r C:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:776

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "831831327-1528417771-85443045311390563972131516988796080156-18939346431122502467"
1⤵
PID:564

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\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

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

Filesize
893KB

MD5
4b1f5c4ccebfebb1171ae6fb364e2bff

SHA1
c3b6bce98877d1110cb5461f7883ac04d5d393a0

SHA256
17d779b8a9d87ab344c1e9b4cf759e12163040a0d7c081a9d2980174259cc74e

SHA512
5c68fcd83f9056abc04ac4715c1226f37279b552b1fa9172222e6d8f62a3a2e7a6ac8e7f0cf0f3fa2befc4c6e36a8c1673e9d29c552853977702d63a9d2c1025

Download Submit
\Windows\system\KavUpda.exe

Filesize
1024KB

MD5
947a7dfe39f942d5f2874134b0ef6d4b

SHA1
ec6ac708474c673801bc46c92e29370e174c3917

SHA256
d2e3f6054572864033d981c499db063d50fb4aababd2f79dcd2116d75a2fde1c

SHA512
976cf40b3c86b3f1cdd1a32baee158f6deaa3855f2653a3f0ea7e0b0613c13242fd559d8adda38e899a1ec9335c9f4670d0e67e359f9878c41ae922964d2a117

Download Submit
memory/1972-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads