276f088e104e2b622bc64eca0b5e2536e5224c59fe0ae8e69efdd6ac4c396b76

Analysis

max time kernel
194s
max time network
203s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 04:49

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General

Target

559352224fd5d9b10eb3f0fb0e8fd39f.exe
Size

926KB
MD5

559352224fd5d9b10eb3f0fb0e8fd39f
SHA1

287fa02095a4abd1cf99b84ee3aef4533148f812
SHA256

276f088e104e2b622bc64eca0b5e2536e5224c59fe0ae8e69efdd6ac4c396b76
SHA512

eab9e6b38dc6b73c3be42de9af9590ca95a9e5db4ec43b19f8454d52b642382bf3fe2edd34c29767849f52926e105d0e66bdf259c998cc4c20a67802262c5c76
SSDEEP

12288:UZWtI6RkderQZb+md4w1U4upOB0vRqRpIys7bA:UuhaderQZb+md4wm9OAERpObA

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	regedit.exe

Blocks application from running via registry modification 17 IoCs

Adds application to list of disallowed applications.

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\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
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
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\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\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rav.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.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\Rav.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	regedit.exe

Executes dropped EXE 1 IoCs

pid	Process
2136	KavUpda.exe

Drops autorun.inf file 1 TTPs 2 IoCs

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

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	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	559352224fd5d9b10eb3f0fb0e8fd39f.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	559352224fd5d9b10eb3f0fb0e8fd39f.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	559352224fd5d9b10eb3f0fb0e8fd39f.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	559352224fd5d9b10eb3f0fb0e8fd39f.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\system\KavUpda.exe	559352224fd5d9b10eb3f0fb0e8fd39f.exe
File opened for modification	C:\Windows\system\KavUpda.exe	559352224fd5d9b10eb3f0fb0e8fd39f.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	559352224fd5d9b10eb3f0fb0e8fd39f.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File opened for modification	C:\Windows\regedt32.sys	KavUpda.exe
File created	C:\Windows\Help\HelpCat.exe	559352224fd5d9b10eb3f0fb0e8fd39f.exe
File created	C:\Windows\Sysinf.bat	559352224fd5d9b10eb3f0fb0e8fd39f.exe
File created	C:\Windows\regedt32.sys	559352224fd5d9b10eb3f0fb0e8fd39f.exe

Launches sc.exe 8 IoCs

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

pid	Process
3348	sc.exe
2192	sc.exe
1380	sc.exe
2296	sc.exe
4540	sc.exe
4436	sc.exe
1724	sc.exe
4348	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
4868	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	2136	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2136	KavUpda.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2136	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2136	KavUpda.exe
Token: 33	2136	KavUpda.exe
Token: SeIncBasePriorityPrivilege	2136	KavUpda.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: 33	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
Token: SeIncBasePriorityPrivilege	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe
2136	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 3096	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	91
PID 2424 wrote to memory of 3096	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	91
PID 2424 wrote to memory of 3096	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	91
PID 2424 wrote to memory of 4268	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	92
PID 2424 wrote to memory of 4268	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	92
PID 2424 wrote to memory of 4268	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	92
PID 2424 wrote to memory of 5032	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	95
PID 2424 wrote to memory of 5032	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	95
PID 2424 wrote to memory of 5032	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	95
PID 2424 wrote to memory of 3324	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	117
PID 2424 wrote to memory of 3324	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	117
PID 2424 wrote to memory of 3324	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	117
PID 2424 wrote to memory of 3348	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	97
PID 2424 wrote to memory of 3348	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	97
PID 2424 wrote to memory of 3348	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	97
PID 2424 wrote to memory of 4140	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	116
PID 2424 wrote to memory of 4140	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	116
PID 2424 wrote to memory of 4140	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	116
PID 2424 wrote to memory of 4760	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	98
PID 2424 wrote to memory of 4760	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	98
PID 2424 wrote to memory of 4760	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	98
PID 2424 wrote to memory of 4928	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	99
PID 2424 wrote to memory of 4928	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	99
PID 2424 wrote to memory of 4928	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	99
PID 2424 wrote to memory of 4304	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	101
PID 2424 wrote to memory of 4304	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	101
PID 2424 wrote to memory of 4304	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	101
PID 2424 wrote to memory of 1492	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	113
PID 2424 wrote to memory of 1492	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	113
PID 2424 wrote to memory of 1492	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	113
PID 4268 wrote to memory of 3720	4268	net.exe	111
PID 4268 wrote to memory of 3720	4268	net.exe	111
PID 4268 wrote to memory of 3720	4268	net.exe	111
PID 2424 wrote to memory of 2296	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	104
PID 2424 wrote to memory of 2296	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	104
PID 2424 wrote to memory of 2296	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	104
PID 2424 wrote to memory of 4540	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	105
PID 2424 wrote to memory of 4540	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	105
PID 2424 wrote to memory of 4540	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	105
PID 2424 wrote to memory of 4436	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	106
PID 2424 wrote to memory of 4436	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	106
PID 2424 wrote to memory of 4436	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	106
PID 2424 wrote to memory of 1724	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	108
PID 2424 wrote to memory of 1724	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	108
PID 2424 wrote to memory of 1724	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	108
PID 3348 wrote to memory of 4404	3348	cmd.exe	118
PID 3348 wrote to memory of 4404	3348	cmd.exe	118
PID 3348 wrote to memory of 4404	3348	cmd.exe	118
PID 4140 wrote to memory of 2396	4140	net.exe	123
PID 4140 wrote to memory of 2396	4140	net.exe	123
PID 4140 wrote to memory of 2396	4140	net.exe	123
PID 4928 wrote to memory of 1748	4928	net.exe	124
PID 4928 wrote to memory of 1748	4928	net.exe	124
PID 4928 wrote to memory of 1748	4928	net.exe	124
PID 1492 wrote to memory of 384	1492	net.exe	127
PID 1492 wrote to memory of 384	1492	net.exe	127
PID 1492 wrote to memory of 384	1492	net.exe	127
PID 4760 wrote to memory of 3672	4760	net.exe	125
PID 4760 wrote to memory of 3672	4760	net.exe	125
PID 4760 wrote to memory of 3672	4760	net.exe	125
PID 4304 wrote to memory of 2216	4304	net.exe	126
PID 4304 wrote to memory of 2216	4304	net.exe	126
PID 4304 wrote to memory of 2216	4304	net.exe	126
PID 2424 wrote to memory of 4868	2424	559352224fd5d9b10eb3f0fb0e8fd39f.exe	119

Views/modifies file attributes 1 TTPs 6 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1136	attrib.exe
4076	attrib.exe
2696	attrib.exe
532	attrib.exe
2232	attrib.exe
2144	attrib.exe

C:\Users\Admin\AppData\Local\Temp\559352224fd5d9b10eb3f0fb0e8fd39f.exe
"C:\Users\Admin\AppData\Local\Temp\559352224fd5d9b10eb3f0fb0e8fd39f.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:2424
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
  2⤵
  PID:3096
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4268
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:3720
- C:\Windows\SysWOW64\At.exe
  At.exe 10:09:55 PM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:5032
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 10:11:59 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3348
- - C:\Windows\SysWOW64\at.exe
    at 10:11:59 PM C:\Windows\Sysinf.bat
    3⤵
    PID:4404
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4760
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:3672
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4928
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:1748
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4304
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:2216
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:2296
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:4540
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:4436
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:1724
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1492
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:384
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4140
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:2396
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 10:08:59 PM C:\Windows\Sysinf.bat
  2⤵
  PID:3324
- - C:\Windows\SysWOW64\at.exe
    at 10:08:59 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2144
- 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:4868
- 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:536
- 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:5104
- 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:2136
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:2208
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:3512
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
    3⤵
    PID:4220
- - C:\Windows\SysWOW64\At.exe
    At.exe 10:10:14 PM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:4076
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:2360
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:4248
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:3160
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:4840
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:5104
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:4024
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:4532
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:2016
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:4028
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:576
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:4348
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:3348
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:2192
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:1380
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 10:12:38 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2144
  - - C:\Windows\SysWOW64\at.exe
      at 10:12:38 PM C:\Windows\Sysinf.bat
      4⤵
      PID:4748
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 10:09:38 PM C:\Windows\Sysinf.bat
    3⤵
    PID:1848
  - - C:\Windows\SysWOW64\at.exe
      at 10:09:38 PM C:\Windows\Sysinf.bat
      4⤵
      PID:4308
- - 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:4944
- - 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:4020
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:3388
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4724
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1136
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4916
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4076
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:456
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3256
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2696
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:1912
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2828
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:532
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2680
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:3316
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4796
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2232
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:3616
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2144
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:3220
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:1408
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:2388
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:2216
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:4676
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:3832
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2112
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:2820
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:1232
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:3304

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:3612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Option.bat

Filesize
82B

MD5
3f7fbd2eb34892646e93fd5e6e343512

SHA1
265ac1061b54f62350fb7a5f57e566454d013a66

SHA256
e75e8d9bfc7a2876d908305186c3656e9de2a4af7f6927ccc6d8c812645abbc7

SHA512
53d40eb2f05a23464fbf06193868e7cb30cf0df3da53586a75123fb2c37b29cdddda287ce134809d16a559d87fb20aee0e8add22d396fcb7a55f9a753739b140

Download Submit
C:\Windows\Sysinf.bat

Filesize
460B

MD5
7db3d565d6ddbe65a8b0e093910e7dcd

SHA1
d4804e6180c6e74ba79d3343f2f2ccb15e502f12

SHA256
a2778cb87fd88c7508ffd506a8ff8d58d0ffc02156f846956e5e99c6cb3d2f3f

SHA512
0b3d1d0f44feba9dd78903ff77fdeaea834d930990a86641fb2e4ce04da280d33f6bee0ae0b1320e4070cbe20824062e45b52e5cad797c5985d8e31dce1ef82b

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

Filesize
926KB

MD5
559352224fd5d9b10eb3f0fb0e8fd39f

SHA1
287fa02095a4abd1cf99b84ee3aef4533148f812

SHA256
276f088e104e2b622bc64eca0b5e2536e5224c59fe0ae8e69efdd6ac4c396b76

SHA512
eab9e6b38dc6b73c3be42de9af9590ca95a9e5db4ec43b19f8454d52b642382bf3fe2edd34c29767849f52926e105d0e66bdf259c998cc4c20a67802262c5c76

Download Submit
C:\Windows\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

Download Submit
F:\Autorun.inf

Filesize
237B

MD5
94bcd02c5afd5918b4446345e7a5ded9

SHA1
79839238e84be225132e1382fae6333dfc4906a1

SHA256
5d9f41e4f886926dae2ed8a57807708110d3c6964ab462be21462bff0088d9a1

SHA512
149f6bd49fc3b62fa5f41666bfb3a58060514eec1b61c6aa1ac4c75417c840b028e701eb5533460eb00e2fee8543379564bc47d7477264771d81b99a0caab500

Download Submit
memory/2424-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads