aea6bcc5de6e765f0200e58854c4c42c0605cf58cbc0ea06d6bc75fcb261ca3a

Analysis

max time kernel
164s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02/01/2024, 16:56

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General

Target

3e8402e2edfd59055606499ac5bd20ea.exe
Size

354KB
MD5

3e8402e2edfd59055606499ac5bd20ea
SHA1

4dceda826a6640a82fbedb2b7ba0f175b8ea22d5
SHA256

aea6bcc5de6e765f0200e58854c4c42c0605cf58cbc0ea06d6bc75fcb261ca3a
SHA512

52e247b338b6bc5dc4bdafdc3c833396af7da4650203c606f5772232d2c8c44fc69361175cf1665d19b4eabb8a6d0a6a064238a7a6b5f64387b7c3c8598766a5
SSDEEP

6144:UZfec9EbXDk6RkJKJrG1VVE+IVE2Ernmy+g4H:UZWtI6RkIudr2

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-1-5-21-3073191680-435865314-2862784915-1000\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
Key created	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\2 = "RfwMain.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\4 = "RavMoD.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\6 = "RavMon.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\7 = "RavStub.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\9 = "Rav.exe"	regedit.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun = "1"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\8 = "RavService.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\12 = "KPFW32X.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\3 = "Rfwsrv.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\10 = "rfwcfg.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\13 = "KAVPFW.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\14 = "KAV32.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\15 = "KAVStart.EXE"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\1 = "avp.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\DisallowRun\5 = "CCenter.exe"	regedit.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\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\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\KAVStart.EXE	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\360Safe.exe\Debugger = "D:\\RECYCLER\\????8.exe"	regedit.exe
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\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
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\RfwMain.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\Rav.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\regedit.exe\Debugger = "D:\\RECYCLER\\????8.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
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\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

Executes dropped EXE 1 IoCs

pid	Process
4040	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	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Windows\SysWOW64\Option.bat	KavUpda.exe

Drops file in Program Files directory 24 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7zG.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\createdump.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\createdump.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	3e8402e2edfd59055606499ac5bd20ea.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File created	C:\Windows\system\KavUpda.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Windows\system\KavUpda.exe	3e8402e2edfd59055606499ac5bd20ea.exe
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\Help\HelpCat.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Windows\Help\HelpCat.exe	3e8402e2edfd59055606499ac5bd20ea.exe
File created	C:\Windows\Sysinf.bat	3e8402e2edfd59055606499ac5bd20ea.exe
File created	C:\Windows\regedt32.sys	3e8402e2edfd59055606499ac5bd20ea.exe
File opened for modification	C:\Windows\Sysinf.bat	KavUpda.exe
File created	C:\Windows\regedt32.sys	KavUpda.exe

Launches sc.exe 8 IoCs

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

pid	Process
3232	sc.exe
464	sc.exe
4356	sc.exe
1880	sc.exe
4456	sc.exe
932	sc.exe
2520	sc.exe
4968	sc.exe

Runs net.exe

Runs regedit.exe 1 IoCs

pid	Process
3932	regedit.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	4040	KavUpda.exe
Token: SeIncBasePriorityPrivilege	4040	KavUpda.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: 33	3432	3e8402e2edfd59055606499ac5bd20ea.exe
Token: SeIncBasePriorityPrivilege	3432	3e8402e2edfd59055606499ac5bd20ea.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3432	3e8402e2edfd59055606499ac5bd20ea.exe
4040	KavUpda.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3432 wrote to memory of 1684	3432	3e8402e2edfd59055606499ac5bd20ea.exe	94
PID 3432 wrote to memory of 1684	3432	3e8402e2edfd59055606499ac5bd20ea.exe	94
PID 3432 wrote to memory of 1684	3432	3e8402e2edfd59055606499ac5bd20ea.exe	94
PID 3432 wrote to memory of 2944	3432	3e8402e2edfd59055606499ac5bd20ea.exe	96
PID 3432 wrote to memory of 2944	3432	3e8402e2edfd59055606499ac5bd20ea.exe	96
PID 3432 wrote to memory of 2944	3432	3e8402e2edfd59055606499ac5bd20ea.exe	96
PID 2944 wrote to memory of 3020	2944	net.exe	98
PID 2944 wrote to memory of 3020	2944	net.exe	98
PID 2944 wrote to memory of 3020	2944	net.exe	98
PID 3432 wrote to memory of 1180	3432	3e8402e2edfd59055606499ac5bd20ea.exe	99
PID 3432 wrote to memory of 1180	3432	3e8402e2edfd59055606499ac5bd20ea.exe	99
PID 3432 wrote to memory of 1180	3432	3e8402e2edfd59055606499ac5bd20ea.exe	99
PID 3432 wrote to memory of 2332	3432	3e8402e2edfd59055606499ac5bd20ea.exe	101
PID 3432 wrote to memory of 2332	3432	3e8402e2edfd59055606499ac5bd20ea.exe	101
PID 3432 wrote to memory of 2332	3432	3e8402e2edfd59055606499ac5bd20ea.exe	101
PID 3432 wrote to memory of 2080	3432	3e8402e2edfd59055606499ac5bd20ea.exe	102
PID 3432 wrote to memory of 2080	3432	3e8402e2edfd59055606499ac5bd20ea.exe	102
PID 3432 wrote to memory of 2080	3432	3e8402e2edfd59055606499ac5bd20ea.exe	102
PID 3432 wrote to memory of 3116	3432	3e8402e2edfd59055606499ac5bd20ea.exe	103
PID 3432 wrote to memory of 3116	3432	3e8402e2edfd59055606499ac5bd20ea.exe	103
PID 3432 wrote to memory of 3116	3432	3e8402e2edfd59055606499ac5bd20ea.exe	103
PID 3432 wrote to memory of 3068	3432	3e8402e2edfd59055606499ac5bd20ea.exe	109
PID 3432 wrote to memory of 3068	3432	3e8402e2edfd59055606499ac5bd20ea.exe	109
PID 3432 wrote to memory of 3068	3432	3e8402e2edfd59055606499ac5bd20ea.exe	109
PID 3432 wrote to memory of 4604	3432	3e8402e2edfd59055606499ac5bd20ea.exe	104
PID 3432 wrote to memory of 4604	3432	3e8402e2edfd59055606499ac5bd20ea.exe	104
PID 3432 wrote to memory of 4604	3432	3e8402e2edfd59055606499ac5bd20ea.exe	104
PID 3432 wrote to memory of 2824	3432	3e8402e2edfd59055606499ac5bd20ea.exe	107
PID 3432 wrote to memory of 2824	3432	3e8402e2edfd59055606499ac5bd20ea.exe	107
PID 3432 wrote to memory of 2824	3432	3e8402e2edfd59055606499ac5bd20ea.exe	107
PID 3432 wrote to memory of 1252	3432	3e8402e2edfd59055606499ac5bd20ea.exe	114
PID 3432 wrote to memory of 1252	3432	3e8402e2edfd59055606499ac5bd20ea.exe	114
PID 3432 wrote to memory of 1252	3432	3e8402e2edfd59055606499ac5bd20ea.exe	114
PID 3432 wrote to memory of 464	3432	3e8402e2edfd59055606499ac5bd20ea.exe	115
PID 3432 wrote to memory of 464	3432	3e8402e2edfd59055606499ac5bd20ea.exe	115
PID 3432 wrote to memory of 464	3432	3e8402e2edfd59055606499ac5bd20ea.exe	115
PID 3432 wrote to memory of 4356	3432	3e8402e2edfd59055606499ac5bd20ea.exe	116
PID 3432 wrote to memory of 4356	3432	3e8402e2edfd59055606499ac5bd20ea.exe	116
PID 3432 wrote to memory of 4356	3432	3e8402e2edfd59055606499ac5bd20ea.exe	116
PID 3432 wrote to memory of 1880	3432	3e8402e2edfd59055606499ac5bd20ea.exe	119
PID 3432 wrote to memory of 1880	3432	3e8402e2edfd59055606499ac5bd20ea.exe	119
PID 3432 wrote to memory of 1880	3432	3e8402e2edfd59055606499ac5bd20ea.exe	119
PID 3432 wrote to memory of 4456	3432	3e8402e2edfd59055606499ac5bd20ea.exe	120
PID 3432 wrote to memory of 4456	3432	3e8402e2edfd59055606499ac5bd20ea.exe	120
PID 3432 wrote to memory of 4456	3432	3e8402e2edfd59055606499ac5bd20ea.exe	120
PID 3432 wrote to memory of 3932	3432	3e8402e2edfd59055606499ac5bd20ea.exe	123
PID 3432 wrote to memory of 3932	3432	3e8402e2edfd59055606499ac5bd20ea.exe	123
PID 3432 wrote to memory of 3932	3432	3e8402e2edfd59055606499ac5bd20ea.exe	123
PID 4604 wrote to memory of 4252	4604	net.exe	124
PID 4604 wrote to memory of 4252	4604	net.exe	124
PID 4604 wrote to memory of 4252	4604	net.exe	124
PID 2824 wrote to memory of 2632	2824	net.exe	125
PID 2824 wrote to memory of 2632	2824	net.exe	125
PID 2824 wrote to memory of 2632	2824	net.exe	125
PID 3116 wrote to memory of 3232	3116	net.exe	128
PID 3116 wrote to memory of 3232	3116	net.exe	128
PID 1252 wrote to memory of 1404	1252	net.exe	126
PID 3116 wrote to memory of 3232	3116	net.exe	128
PID 1252 wrote to memory of 1404	1252	net.exe	126
PID 1252 wrote to memory of 1404	1252	net.exe	126
PID 3068 wrote to memory of 1044	3068	net.exe	127
PID 3068 wrote to memory of 1044	3068	net.exe	127
PID 3068 wrote to memory of 1044	3068	net.exe	127
PID 2332 wrote to memory of 4240	2332	cmd.exe	130

Views/modifies file attributes 1 TTPs 12 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2160	attrib.exe
528	attrib.exe
4800	attrib.exe
1404	attrib.exe
4952	attrib.exe
4376	attrib.exe
932	attrib.exe
2568	attrib.exe
1676	attrib.exe
4600	attrib.exe
2480	attrib.exe
4524	attrib.exe

C:\Users\Admin\AppData\Local\Temp\3e8402e2edfd59055606499ac5bd20ea.exe
"C:\Users\Admin\AppData\Local\Temp\3e8402e2edfd59055606499ac5bd20ea.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:3432
- 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:2944
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start schedule /y
    3⤵
    PID:3020
- C:\Windows\SysWOW64\At.exe
  At.exe 5:00:44 PM C:\Windows\Help\HelpCat.exe
  2⤵
  PID:1180
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 4:59:47 PM C:\Windows\Sysinf.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2332
- - C:\Windows\SysWOW64\at.exe
    at 4:59:47 PM C:\Windows\Sysinf.bat
    3⤵
    PID:4240
- C:\Windows\SysWOW64\cmd.exe
  cmd /c at 5:02:47 PM C:\Windows\Sysinf.bat
  2⤵
  PID:2080
- - C:\Windows\SysWOW64\at.exe
    at 5:02:47 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2692
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3116
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:3232
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4604
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:4252
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:2632
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3068
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:1044
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1252
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:1404
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:464
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config SharedAccess start= disabled
  2⤵
  - Launches sc.exe
  PID:4356
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config wscsvc start= disabled
  2⤵
  - Launches sc.exe
  PID:1880
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe config srservice start= disabled
  2⤵
  - Launches sc.exe
  PID:4456
- 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:3932
- 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:4308
- 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:4492
- 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:4040
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\system32\Option.bat
    3⤵
    PID:792
- - C:\Windows\SysWOW64\net.exe
    net.exe start schedule /y
    3⤵
    PID:1016
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start schedule /y
      4⤵
      PID:4408
- - C:\Windows\SysWOW64\At.exe
    At.exe 5:00:55 PM C:\Windows\Help\HelpCat.exe
    3⤵
    PID:3148
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 4:59:57 PM C:\Windows\Sysinf.bat
    3⤵
    PID:2000
  - - C:\Windows\SysWOW64\at.exe
      at 4:59:57 PM C:\Windows\Sysinf.bat
      4⤵
      PID:3276
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c at 5:02:57 PM C:\Windows\Sysinf.bat
    3⤵
    PID:1852
  - - C:\Windows\SysWOW64\at.exe
      at 5:02:57 PM C:\Windows\Sysinf.bat
      4⤵
      PID:2568
- - C:\Windows\SysWOW64\net.exe
    net.exe stop srservice /y
    3⤵
    PID:1728
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop srservice /y
      4⤵
      PID:4352
- - C:\Windows\SysWOW64\net.exe
    net.exe stop 360timeprot /y
    3⤵
    PID:100
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop 360timeprot /y
      4⤵
      PID:4936
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config SharedAccess start= disabled
    3⤵
    - Launches sc.exe
    PID:932
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:2520
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config wscsvc start= disabled
    3⤵
    - Launches sc.exe
    PID:4968
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wuauserv /y
    3⤵
    PID:1984
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wuauserv /y
      4⤵
      PID:4036
- - C:\Windows\SysWOW64\net.exe
    net.exe stop sharedaccess /y
    3⤵
    PID:3888
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess /y
      4⤵
      PID:5004
- - C:\Windows\SysWOW64\net.exe
    net.exe stop wscsvc /y
    3⤵
    PID:3160
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop wscsvc /y
      4⤵
      PID:4124
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe config srservice start= disabled
    3⤵
    - Launches sc.exe
    PID:3232
- - 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:4868
- - 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:4520
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:2408
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:4956
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4952
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4604
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2480
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:3564
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:5100
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4376
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:876
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1732
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4524
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2568
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3452
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2160
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:324
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:1456
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:932
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:3128
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3336
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:2568
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:680
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:100
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1676
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:4420
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:3280
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:528
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4896
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:4216
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4600
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:2328
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r F:\Autorun.inf\*.* /s /d
    3⤵
    PID:1044
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r F:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:4800
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir F:\Autorun.inf /s /q
    3⤵
    PID:4740
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c attrib -s -h -r C:\Autorun.inf\*.* /s /d
    3⤵
    PID:2160
  - - C:\Windows\SysWOW64\attrib.exe
      attrib -s -h -r C:\Autorun.inf\*.* /s /d
      4⤵
      Views/modifies file attributes
      PID:1404
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c rmdir C:\Autorun.inf /s /q
    3⤵
    PID:5060
- C:\Windows\SysWOW64\net.exe
  net.exe stop sharedaccess /y
  2⤵
  PID:3428
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess /y
    3⤵
    PID:528
- C:\Windows\SysWOW64\net.exe
  net.exe stop 360timeprot /y
  2⤵
  PID:4340
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop 360timeprot /y
    3⤵
    PID:4276
- C:\Windows\SysWOW64\net.exe
  net.exe stop srservice /y
  2⤵
  PID:3560
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop srservice /y
    3⤵
    PID:1416
- C:\Windows\SysWOW64\net.exe
  net.exe stop wuauserv /y
  2⤵
  PID:4484
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wuauserv /y
    3⤵
    PID:2756
- C:\Windows\SysWOW64\net.exe
  net.exe stop wscsvc /y
  2⤵
  PID:2896
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc /y
    3⤵
    PID:3932

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
354KB

MD5
3e8402e2edfd59055606499ac5bd20ea

SHA1
4dceda826a6640a82fbedb2b7ba0f175b8ea22d5

SHA256
aea6bcc5de6e765f0200e58854c4c42c0605cf58cbc0ea06d6bc75fcb261ca3a

SHA512
52e247b338b6bc5dc4bdafdc3c833396af7da4650203c606f5772232d2c8c44fc69361175cf1665d19b4eabb8a6d0a6a064238a7a6b5f64387b7c3c8598766a5

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/3432-0-0x0000000000400000-0x0000000000436000-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