f2ab650e46f52fa3dceb74f287ff69d1bb0709de37ef28ace18a837fe4d38bba

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 10:32

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General

Target

16048601cce563292674d48e1cd3b83d.exe
Size

1.7MB
MD5

16048601cce563292674d48e1cd3b83d
SHA1

ae0ce15b107e2b61b5e9d7c31def1cb6f577877c
SHA256

f2ab650e46f52fa3dceb74f287ff69d1bb0709de37ef28ace18a837fe4d38bba
SHA512

32fe21dd9bae2195487b5f2b632c71fb6887ad693441096b42f3e0c40cbcdad18a2c7cf658f9d290c7f7d7bf88ed5b9fd72b9c77bd8174289d4a6116185ed147
SSDEEP

12288:UZWtI6RktOB0VuMGOgOB0VuMGOgOB0VuMGOgOB0VuMGOgOB0VuMPqi:UuhatOHOHOHOHOFi

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-1-5-21-1815711207-1844170477-3539718864-1000\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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Key created	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\11 = "KPFW32.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\Rfwsrv.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RavMoD.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\360Safe.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\avp.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\360tray.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\RfwMain.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\Rfwsrv.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\avp.exe	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360tray.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe

Executes dropped EXE 1 IoCs

pid	Process
5072	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	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\createdump.exe	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\createdump.exe	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	16048601cce563292674d48e1cd3b83d.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	16048601cce563292674d48e1cd3b83d.exe
File created	C:\Windows\regedt32.sys	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Windows\system\KavUpda.exe	KavUpda.exe
File created	C:\Windows\Sysinf.bat	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe
File opened for modification	C:\Windows\system\KavUpda.exe	16048601cce563292674d48e1cd3b83d.exe
File created	C:\Windows\Help\HelpCat.exe	16048601cce563292674d48e1cd3b83d.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	16048601cce563292674d48e1cd3b83d.exe

Launches sc.exe 8 IoCs

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

pid	Process
496	sc.exe
3700	sc.exe
3076	sc.exe
2664	sc.exe
2188	sc.exe
1768	sc.exe
2536	sc.exe
3256	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
1296	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	5072	KavUpda.exe
Token: SeIncBasePriorityPrivilege	5072	KavUpda.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	4068	16048601cce563292674d48e1cd3b83d.exe
Token: SeIncBasePriorityPrivilege	4068	16048601cce563292674d48e1cd3b83d.exe
Token: 33	5072	KavUpda.exe
Token: SeIncBasePriorityPrivilege	5072	KavUpda.exe
Token: 33	5072	KavUpda.exe
Token: SeIncBasePriorityPrivilege	5072	KavUpda.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4068	16048601cce563292674d48e1cd3b83d.exe
5072	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4068 wrote to memory of 1640	4068	16048601cce563292674d48e1cd3b83d.exe	95
PID 4068 wrote to memory of 1640	4068	16048601cce563292674d48e1cd3b83d.exe	95
PID 4068 wrote to memory of 1640	4068	16048601cce563292674d48e1cd3b83d.exe	95
PID 4068 wrote to memory of 1580	4068	16048601cce563292674d48e1cd3b83d.exe	93
PID 4068 wrote to memory of 1580	4068	16048601cce563292674d48e1cd3b83d.exe	93
PID 4068 wrote to memory of 1580	4068	16048601cce563292674d48e1cd3b83d.exe	93
PID 1580 wrote to memory of 444	1580	net.exe	94
PID 1580 wrote to memory of 444	1580	net.exe	94
PID 1580 wrote to memory of 444	1580	net.exe	94
PID 4068 wrote to memory of 4388	4068	16048601cce563292674d48e1cd3b83d.exe	97
PID 4068 wrote to memory of 4388	4068	16048601cce563292674d48e1cd3b83d.exe	97
PID 4068 wrote to memory of 4388	4068	16048601cce563292674d48e1cd3b83d.exe	97
PID 4068 wrote to memory of 3540	4068	16048601cce563292674d48e1cd3b83d.exe	139
PID 4068 wrote to memory of 3540	4068	16048601cce563292674d48e1cd3b83d.exe	139
PID 4068 wrote to memory of 3540	4068	16048601cce563292674d48e1cd3b83d.exe	139
PID 4068 wrote to memory of 1828	4068	16048601cce563292674d48e1cd3b83d.exe	138
PID 4068 wrote to memory of 1828	4068	16048601cce563292674d48e1cd3b83d.exe	138
PID 4068 wrote to memory of 1828	4068	16048601cce563292674d48e1cd3b83d.exe	138
PID 4068 wrote to memory of 2372	4068	16048601cce563292674d48e1cd3b83d.exe	137
PID 4068 wrote to memory of 2372	4068	16048601cce563292674d48e1cd3b83d.exe	137
PID 4068 wrote to memory of 2372	4068	16048601cce563292674d48e1cd3b83d.exe	137
PID 4068 wrote to memory of 3968	4068	16048601cce563292674d48e1cd3b83d.exe	135
PID 4068 wrote to memory of 3968	4068	16048601cce563292674d48e1cd3b83d.exe	135
PID 4068 wrote to memory of 3968	4068	16048601cce563292674d48e1cd3b83d.exe	135
PID 4068 wrote to memory of 4724	4068	16048601cce563292674d48e1cd3b83d.exe	133
PID 4068 wrote to memory of 4724	4068	16048601cce563292674d48e1cd3b83d.exe	133
PID 4068 wrote to memory of 4724	4068	16048601cce563292674d48e1cd3b83d.exe	133
PID 4068 wrote to memory of 4956	4068	16048601cce563292674d48e1cd3b83d.exe	131
PID 4068 wrote to memory of 4956	4068	16048601cce563292674d48e1cd3b83d.exe	131
PID 4068 wrote to memory of 4956	4068	16048601cce563292674d48e1cd3b83d.exe	131
PID 4068 wrote to memory of 4056	4068	16048601cce563292674d48e1cd3b83d.exe	130
PID 4068 wrote to memory of 4056	4068	16048601cce563292674d48e1cd3b83d.exe	130
PID 4068 wrote to memory of 4056	4068	16048601cce563292674d48e1cd3b83d.exe	130
PID 4068 wrote to memory of 2536	4068	16048601cce563292674d48e1cd3b83d.exe	126
PID 4068 wrote to memory of 2536	4068	16048601cce563292674d48e1cd3b83d.exe	126
PID 4068 wrote to memory of 2536	4068	16048601cce563292674d48e1cd3b83d.exe	126
PID 4068 wrote to memory of 2664	4068	16048601cce563292674d48e1cd3b83d.exe	100
PID 4068 wrote to memory of 2664	4068	16048601cce563292674d48e1cd3b83d.exe	100
PID 4068 wrote to memory of 2664	4068	16048601cce563292674d48e1cd3b83d.exe	100
PID 4068 wrote to memory of 1768	4068	16048601cce563292674d48e1cd3b83d.exe	124
PID 4068 wrote to memory of 1768	4068	16048601cce563292674d48e1cd3b83d.exe	124
PID 4068 wrote to memory of 1768	4068	16048601cce563292674d48e1cd3b83d.exe	124
PID 4068 wrote to memory of 2188	4068	16048601cce563292674d48e1cd3b83d.exe	105
PID 4068 wrote to memory of 2188	4068	16048601cce563292674d48e1cd3b83d.exe	105
PID 4068 wrote to memory of 2188	4068	16048601cce563292674d48e1cd3b83d.exe	105
PID 4068 wrote to memory of 1296	4068	16048601cce563292674d48e1cd3b83d.exe	102
PID 4068 wrote to memory of 1296	4068	16048601cce563292674d48e1cd3b83d.exe	102
PID 4068 wrote to memory of 1296	4068	16048601cce563292674d48e1cd3b83d.exe	102
PID 2372 wrote to memory of 3256	2372	net.exe	141
PID 2372 wrote to memory of 3256	2372	net.exe	141
PID 2372 wrote to memory of 3256	2372	net.exe	141
PID 3968 wrote to memory of 2196	3968	net.exe	122
PID 3968 wrote to memory of 2196	3968	net.exe	122
PID 3968 wrote to memory of 2196	3968	net.exe	122
PID 4956 wrote to memory of 3500	4956	net.exe	121
PID 4956 wrote to memory of 3500	4956	net.exe	121
PID 4956 wrote to memory of 3500	4956	net.exe	121
PID 4056 wrote to memory of 4436	4056	net.exe	113
PID 4724 wrote to memory of 1316	4724	net.exe	114
PID 4724 wrote to memory of 1316	4724	net.exe	114
PID 4056 wrote to memory of 4436	4056	net.exe	113
PID 4724 wrote to memory of 1316	4724	net.exe	114
PID 4056 wrote to memory of 4436	4056	net.exe	113
PID 1828 wrote to memory of 4348	1828	cmd.exe	112

Views/modifies file attributes 1 TTPs 10 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3540	attrib.exe
1120	attrib.exe
764	attrib.exe
1548	attrib.exe
3240	attrib.exe
3000	attrib.exe
4908	attrib.exe
3592	attrib.exe
2496	attrib.exe
2576	attrib.exe

C:\Users\Admin\AppData\Local\Temp\16048601cce563292674d48e1cd3b83d.exe
"C:\Users\Admin\AppData\Local\Temp\16048601cce563292674d48e1cd3b83d.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:4068
- C:\Windows\SysWOW64\net.exe
  net.exe start schedule /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1580
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:444
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
  2⤵
  PID:1640
- C:\Windows\SysWOW64\At.exe
  At.exe 1:19:25 PM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:4388
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:2664
- - C:\Windows\SysWOW64\attrib.exe
    attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    - Views/modifies file attributes
    PID:4908
- 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:1296
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:2188
- 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:1672
- 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:4984
- 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:5072
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:4252
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:3764
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
    3⤵
    PID:1348
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:1324
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:3600
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:3256
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:496
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:3700
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:3076
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:2036
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:4668
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:4688
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:1120
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 1:21:31 PM C:\Windows\Sysinf.bat
    3⤵
    PID:4400
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 1:18:31 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2000
- - C:\Windows\SysWOW64\At.exe
    At.exe 1:19:29 PM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:4132
- - 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:3872
- - 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:3920
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2224
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2576
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:3516
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:5084
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:3240
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:1768
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:5060
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3276
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2288
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4360
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:3540
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4692
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:2664
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:3268
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:3000
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1120
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3200
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:3592
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4412
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1508
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:764
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:5104
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3588
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2496
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2276
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4760
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1548
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2012
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:1768
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:2536
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4056
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4956
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4724
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3968
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2372
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 1:21:27 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1828
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 1:18:27 PM C:\Windows\Sysinf.bat
  2⤵
  PID:3540
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:4388
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:3136
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:2620
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:4676
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:2736
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2172
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:2324
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:3216
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:2928
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:1312

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:3256

C:\Windows\SysWOW64\at.exe
at 1:18:27 PM C:\Windows\Sysinf.bat
1⤵
PID:4396

C:\Windows\SysWOW64\at.exe
at 1:21:27 PM C:\Windows\Sysinf.bat
1⤵
PID:4348

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:4436

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
1⤵
PID:1316

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop srservice /y
1⤵
PID:3500

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:2196

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop sharedaccess /y
1⤵
PID:3124

C:\Windows\SysWOW64\at.exe
at 1:18:31 PM C:\Windows\Sysinf.bat
1⤵
PID:2628

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop 360timeprot /y
1⤵
PID:2408

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wuauserv /y
1⤵
PID:2012

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop wscsvc /y
1⤵
PID:3000

C:\Windows\SysWOW64\at.exe
at 1:21:31 PM C:\Windows\Sysinf.bat
1⤵
PID:5092

C:\Windows\SysWOW64\attrib.exe
attrib -s -h -r F:\Autorun.inf\*.* /s /d
1⤵
- Views/modifies file attributes
PID:3000

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
893KB

MD5
162e911a3513ddfc4e18cc7f5dd4105f

SHA1
57c66ed26bdf38779ae215e47e0231e9300e8288

SHA256
53d414e98e28006e6d6b3475c1dcbe9831c8a491eb064ce6619369a212c10475

SHA512
091aa8e553683717bce20276ea69986f09ae3757f41749e72ca796ae590b7fc4e7cfc8d477ec4ad928d9863e949bc4a67f7420ca234705187d7dad43264bd39c

Download Submit
C:\Windows\regedt32.sys

Filesize
2KB

MD5
e7d7ec66bd61fac3843c98650b0c68f6

SHA1
a15ae06e1be51038863650746368a71024539bac

SHA256
6475d5ecc14fea090774be55723d2d52b7ec7670527a7dbd61edf28c77944cb8

SHA512
ac9e9893f5a0af03957731445f63279085f164e9a968d706a99d13012e4459314a7ccc32dc48f62379d69e21a0953c13543c9ded38b5ad5fbc346aa442af1ae6

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

Filesize
1.7MB

MD5
16048601cce563292674d48e1cd3b83d

SHA1
ae0ce15b107e2b61b5e9d7c31def1cb6f577877c

SHA256
f2ab650e46f52fa3dceb74f287ff69d1bb0709de37ef28ace18a837fe4d38bba

SHA512
32fe21dd9bae2195487b5f2b632c71fb6887ad693441096b42f3e0c40cbcdad18a2c7cf658f9d290c7f7d7bf88ed5b9fd72b9c77bd8174289d4a6116185ed147

Download Submit
F:\Autorun.inf

Filesize
237B

MD5
94bcd02c5afd5918b4446345e7a5ded9

SHA1
79839238e84be225132e1382fae6333dfc4906a1

SHA256
5d9f41e4f886926dae2ed8a57807708110d3c6964ab462be21462bff0088d9a1

SHA512
149f6bd49fc3b62fa5f41666bfb3a58060514eec1b61c6aa1ac4c75417c840b028e701eb5533460eb00e2fee8543379564bc47d7477264771d81b99a0caab500

Download Submit
memory/4068-0-0x0000000000400000-0x0000000000436000-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