3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a

Analysis

max time kernel
152s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2022 02:37

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General

Target

3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Size

409KB
MD5

02375f5c850502949e243353b0dc5730
SHA1

77d78a470fab619522655193f575483a5560d2c5
SHA256

3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a
SHA512

deff16af9360f2652cdbb510510efa951afbaa9d9a1997f2d980bb5d2af1f6fa9eb9fff87c2755f8bbe6c6c10b10368a17dd48b07d72d87c92f5648685287bf2
SSDEEP

3072:TdVd2Hayox1aMOpNRZ00BdVd2Hayox1aMOpNRZ0cBdVd2Hayox1aMOpNRZ00BdVv:5uHO6uHOiuHO6uHOinmy+g4H

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\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 (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe

Executes dropped EXE 1 IoCs

pid	Process
2176	KavUpda.exe

Sets file execution options in registry 2 TTPs 20 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
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\360Safe.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\360tray.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
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
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\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\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\KAVStart.EXE\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.EXE	regedit.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1784-132-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/memory/1784-139-0x0000000000400000-0x0000000000440000-memory.dmp	upx
behavioral2/files/0x0006000000022e1c-164.dat	upx
behavioral2/files/0x0006000000022e1c-165.dat	upx
behavioral2/memory/2176-172-0x0000000000400000-0x0000000000440000-memory.dmp	upx

Drops autorun.inf file 1 TTPs 1 IoCs

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

Replication Through Removable Media

T1091

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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Option.bat	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\89.0.4389.114\chrome_pwa_launcher.exe	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File opened for modification	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\regedt32.sys	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
File opened for modification	C:\Windows\system\KavUpda.exe	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
File created	C:\Windows\Help\HelpCat.exe	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
File created	C:\Windows\Sysinf.bat	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File created	C:\Windows\system\KavUpda.exe	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe

Launches sc.exe 8 IoCs

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

pid	Process
4368	sc.exe
1476	sc.exe
3216	sc.exe
2344	sc.exe
3940	sc.exe
4516	sc.exe
208	sc.exe
5060	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
1064	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	2176	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2176	KavUpda.exe
Token: 33	2176	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2176	KavUpda.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: 33	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
Token: SeIncBasePriorityPrivilege	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
2176	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 1684	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	83
PID 1784 wrote to memory of 1684	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	83
PID 1784 wrote to memory of 1684	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	83
PID 1784 wrote to memory of 3852	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	85
PID 1784 wrote to memory of 3852	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	85
PID 1784 wrote to memory of 3852	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	85
PID 3852 wrote to memory of 1936	3852	net.exe	87
PID 3852 wrote to memory of 1936	3852	net.exe	87
PID 3852 wrote to memory of 1936	3852	net.exe	87
PID 1784 wrote to memory of 2936	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	88
PID 1784 wrote to memory of 2936	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	88
PID 1784 wrote to memory of 2936	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	88
PID 1784 wrote to memory of 2312	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	89
PID 1784 wrote to memory of 2312	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	89
PID 1784 wrote to memory of 2312	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	89
PID 1784 wrote to memory of 400	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	92
PID 1784 wrote to memory of 400	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	92
PID 1784 wrote to memory of 400	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	92
PID 1784 wrote to memory of 1432	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	93
PID 1784 wrote to memory of 1432	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	93
PID 1784 wrote to memory of 1432	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	93
PID 1784 wrote to memory of 1520	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	96
PID 1784 wrote to memory of 1520	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	96
PID 1784 wrote to memory of 1520	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	96
PID 1784 wrote to memory of 3068	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	97
PID 1784 wrote to memory of 3068	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	97
PID 1784 wrote to memory of 3068	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	97
PID 1784 wrote to memory of 3724	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	100
PID 1784 wrote to memory of 3724	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	100
PID 1784 wrote to memory of 3724	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	100
PID 1784 wrote to memory of 756	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	101
PID 1784 wrote to memory of 756	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	101
PID 1784 wrote to memory of 756	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	101
PID 1784 wrote to memory of 5060	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	104
PID 1784 wrote to memory of 5060	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	104
PID 1784 wrote to memory of 5060	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	104
PID 1784 wrote to memory of 1476	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	111
PID 1784 wrote to memory of 1476	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	111
PID 1784 wrote to memory of 1476	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	111
PID 1432 wrote to memory of 3452	1432	net.exe	110
PID 1432 wrote to memory of 3452	1432	net.exe	110
PID 1432 wrote to memory of 3452	1432	net.exe	110
PID 1520 wrote to memory of 4128	1520	net.exe	109
PID 1520 wrote to memory of 4128	1520	net.exe	109
PID 1520 wrote to memory of 4128	1520	net.exe	109
PID 3724 wrote to memory of 1264	3724	net.exe	108
PID 3724 wrote to memory of 1264	3724	net.exe	108
PID 3724 wrote to memory of 1264	3724	net.exe	108
PID 1784 wrote to memory of 4368	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	107
PID 1784 wrote to memory of 4368	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	107
PID 1784 wrote to memory of 4368	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	107
PID 1784 wrote to memory of 3216	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	112
PID 1784 wrote to memory of 3216	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	112
PID 1784 wrote to memory of 3216	1784	3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe	112
PID 3068 wrote to memory of 760	3068	net.exe	114
PID 3068 wrote to memory of 760	3068	net.exe	114
PID 3068 wrote to memory of 760	3068	net.exe	114
PID 756 wrote to memory of 4764	756	net.exe	116
PID 756 wrote to memory of 4764	756	net.exe	116
PID 756 wrote to memory of 4764	756	net.exe	116
PID 2312 wrote to memory of 3584	2312	cmd.exe	117
PID 2312 wrote to memory of 3584	2312	cmd.exe	117
PID 2312 wrote to memory of 3584	2312	cmd.exe	117
PID 400 wrote to memory of 2404	400	cmd.exe	118

Views/modifies file attributes 1 TTPs 5 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1592	attrib.exe
4824	attrib.exe
1212	attrib.exe
1640	attrib.exe
1260	attrib.exe

C:\Users\Admin\AppData\Local\Temp\3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe
"C:\Users\Admin\AppData\Local\Temp\3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a.exe"
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
  2⤵
  PID:1684
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3852
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:1936
- C:\Windows\SysWOW64\At.exe
  At.exe 1:31:25 PM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:2936
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 1:30:36 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\at.exe
    at 1:30:36 PM C:\Windows\Sysinf.bat
    3⤵
    PID:3584
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 1:33:36 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:400
- - C:\Windows\SysWOW64\at.exe
    at 1:33:36 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2404
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1432
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:3452
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1520
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:4128
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3068
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:760
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3724
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1264
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:756
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:4764
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:5060
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:4368
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:1476
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:3216
- 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:1064
- 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:608
- 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:4016
- 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:2176
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
    3⤵
    PID:3160
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:2148
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:4788
- - C:\Windows\SysWOW64\At.exe
    At.exe 1:31:39 PM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:3144
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 1:30:41 PM C:\Windows\Sysinf.bat
    3⤵
    PID:3500
  - - C:\Windows\SysWOW64\at.exe
      at 1:30:41 PM C:\Windows\Sysinf.bat
      4⤵
      PID:2256
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 1:33:41 PM C:\Windows\Sysinf.bat
    3⤵
    PID:1044
  - - C:\Windows\SysWOW64\at.exe
      at 1:33:41 PM C:\Windows\Sysinf.bat
      4⤵
      PID:4876
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:1104
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:3228
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:4860
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:2028
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:1316
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:4148
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:2232
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:4820
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:1848
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:2940
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:2344
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:3940
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:4516
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:208
- - 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:3724
- - 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:3556
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4500
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1592
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1580
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:5028
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4824
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2224
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:536
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1212
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1580
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4688
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1640
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:4016
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:3644
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1260
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2828
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:4124
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:1208
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:4796
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:5052
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:2016
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:4064
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:5028
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1976
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:4080
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:3840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\Option.bat

Filesize
82B

MD5
3f7fbd2eb34892646e93fd5e6e343512

SHA1
265ac1061b54f62350fb7a5f57e566454d013a66

SHA256
e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7

SHA512
53d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140

Download Submit
C:\Windows\SysWOW64\Option.bat

Filesize
82B

MD5
3f7fbd2eb34892646e93fd5e6e343512

SHA1
265ac1061b54f62350fb7a5f57e566454d013a66

SHA256
e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7

SHA512
53d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140

Download Submit
C:\Windows\Sysinf.bat

Filesize
460B

MD5
7db3d565d6ddbe65a8b0e093910e7dcd

SHA1
d4804e6180c6e74ba79d3343f2f2ccb15e502f12

SHA256
a2778cb87fd88c7508ffd506a8ff8d58d0ffc02156f846956e5e99c6cb3d2f3f

SHA512
0b3d1d0f44feba9dd78903ff77fdeaea834d930990a86641fb2e4ce04da280d33f6bee0ae0b1320e4070cbe20824062e45b52e5cad797c5985d8e31dce1ef82b

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

Filesize
409KB

MD5
02375f5c850502949e243353b0dc5730

SHA1
77d78a470fab619522655193f575483a5560d2c5

SHA256
3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a

SHA512
deff16af9360f2652cdbb510510efa951afbaa9d9a1997f2d980bb5d2af1f6fa9eb9fff87c2755f8bbe6c6c10b10368a17dd48b07d72d87c92f5648685287bf2

Download Submit
C:\Windows\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

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

Filesize
409KB

MD5
02375f5c850502949e243353b0dc5730

SHA1
77d78a470fab619522655193f575483a5560d2c5

SHA256
3a74af55df67a88a6f861eac9c282383821c4d47ced4491cd3898171c5bdc48a

SHA512
deff16af9360f2652cdbb510510efa951afbaa9d9a1997f2d980bb5d2af1f6fa9eb9fff87c2755f8bbe6c6c10b10368a17dd48b07d72d87c92f5648685287bf2

Download Submit
memory/1784-132-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

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memory/1784-139-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2176-172-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads