a32dd41eaab0c5e1eaa78be3c0bb73b48593de8d97a7510b97de3fd993538600

Analysis

max time kernel
100s
max time network
156s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
01-07-2024 03:10

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General

Target

VC_redist.x86.exe
Size

13.2MB
MD5

8457542fd4be74cb2c3a92b3386ae8e9
SHA1

198722b4f5fc62721910569d9d926dce22730c22
SHA256

a32dd41eaab0c5e1eaa78be3c0bb73b48593de8d97a7510b97de3fd993538600
SHA512

91a6283f774f9e2338b65aa835156854e9e76aed32f821b13cfd070dd6c87e1542ce2d5845beb5e4af1ddb102314bb6e0ad6214d896bb3e387590a01eae0c182
SSDEEP

393216:x3RwlptVYmfr7yBG/4uOzH01/Nc1eJ/RXZMPDyiX:xGpttD7yBG/jx1/N/tZUDJ

Score

5^/10

discovery

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

Processes:

mmc.exe

description ioc process

File opened for modification C:\Windows\system32\devmgmt.msc mmc.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

description	ioc	process
File opened for modification	C:\Windows\system32\devmgmt.msc	mmc.exe

Drops file in Windows directory 50 IoCs

Processes:

mmc.exe

description	ioc	process
File created	C:\Windows\INF\c_monitor.PNF	mmc.exe
File created	C:\Windows\INF\c_scmvolume.PNF	mmc.exe
File created	C:\Windows\INF\c_proximity.PNF	mmc.exe
File created	C:\Windows\INF\c_fsphysicalquotamgmt.PNF	mmc.exe
File created	C:\Windows\INF\c_fsencryption.PNF	mmc.exe
File created	C:\Windows\INF\miradisp.PNF	mmc.exe
File created	C:\Windows\INF\xusb22.PNF	mmc.exe
File created	C:\Windows\INF\c_fscompression.PNF	mmc.exe
File created	C:\Windows\INF\c_fsundelete.PNF	mmc.exe
File created	C:\Windows\INF\digitalmediadevice.PNF	mmc.exe
File created	C:\Windows\INF\c_scmdisk.PNF	mmc.exe
File created	C:\Windows\INF\c_extension.PNF	mmc.exe
File created	C:\Windows\INF\c_linedisplay.PNF	mmc.exe
File created	C:\Windows\INF\c_processor.PNF	mmc.exe
File created	C:\Windows\INF\c_volume.PNF	mmc.exe
File created	C:\Windows\INF\c_fscontinuousbackup.PNF	mmc.exe
File created	C:\Windows\INF\c_fsantivirus.PNF	mmc.exe
File created	C:\Windows\INF\c_fsvirtualization.PNF	mmc.exe
File created	C:\Windows\INF\dc1-controller.PNF	mmc.exe
File created	C:\Windows\INF\ramdisk.PNF	mmc.exe
File created	C:\Windows\INF\c_fssecurityenhancer.PNF	mmc.exe
File created	C:\Windows\INF\rawsilo.PNF	mmc.exe
File created	C:\Windows\INF\c_fsopenfilebackup.PNF	mmc.exe
File created	C:\Windows\INF\ts_generic.PNF	mmc.exe
File created	C:\Windows\INF\c_fscontentscreener.PNF	mmc.exe
File created	C:\Windows\INF\oposdrv.PNF	mmc.exe
File created	C:\Windows\INF\c_netdriver.PNF	mmc.exe
File created	C:\Windows\INF\c_swcomponent.PNF	mmc.exe
File created	C:\Windows\INF\c_fssystem.PNF	mmc.exe
File created	C:\Windows\INF\c_fscopyprotection.PNF	mmc.exe
File created	C:\Windows\INF\c_barcodescanner.PNF	mmc.exe
File created	C:\Windows\INF\c_firmware.PNF	mmc.exe
File created	C:\Windows\INF\c_fsactivitymonitor.PNF	mmc.exe
File created	C:\Windows\INF\c_holographic.PNF	mmc.exe
File created	C:\Windows\INF\c_mcx.PNF	mmc.exe
File created	C:\Windows\INF\wsdprint.PNF	mmc.exe
File created	C:\Windows\INF\c_receiptprinter.PNF	mmc.exe
File created	C:\Windows\INF\c_magneticstripereader.PNF	mmc.exe
File created	C:\Windows\INF\c_fsreplication.PNF	mmc.exe
File created	C:\Windows\INF\PerceptionSimulationSixDof.PNF	mmc.exe
File created	C:\Windows\INF\c_sslaccel.PNF	mmc.exe
File created	C:\Windows\INF\c_fssystemrecovery.PNF	mmc.exe
File created	C:\Windows\INF\c_apo.PNF	mmc.exe
File created	C:\Windows\INF\c_cashdrawer.PNF	mmc.exe
File created	C:\Windows\INF\c_fsquotamgmt.PNF	mmc.exe
File created	C:\Windows\INF\c_fscfsmetadataserver.PNF	mmc.exe
File created	C:\Windows\INF\remoteposdrv.PNF	mmc.exe
File created	C:\Windows\INF\c_diskdrive.PNF	mmc.exe
File created	C:\Windows\INF\c_fshsm.PNF	mmc.exe
File created	C:\Windows\INF\c_fsinfrastructure.PNF	mmc.exe

Executes dropped EXE 1 IoCs

Processes:

VC_redist.x86.exe

pid process

2332 VC_redist.x86.exe
Loads dropped DLL 1 IoCs

Processes:

VC_redist.x86.exe

pid process

2332 VC_redist.x86.exe

pid	process
2332	VC_redist.x86.exe

pid	process
2332	VC_redist.x86.exe

Checks SCSI registry key(s) 3 TTPs 40 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

mmc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{83da6326-97a6-4088-9453-a1923f573b29}\000A\	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_QEMU&PROD_HARDDISK\4&215468A5&0&000000\Device Parameters	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\DeviceDesc	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{a8b865dd-2e3d-4094-ad97-e593a70c75d6}\000B	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_QEMU&PROD_HARDDISK\4&215468A5&0&000000\LogConf	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Mfg	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\UINumber	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{83da6326-97a6-4088-9453-a1923f573b29}\000A	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{83da6326-97a6-4088-9453-a1923f573b29}\000A\	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\FriendlyName	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{a8b865dd-2e3d-4094-ad97-e593a70c75d6}\000A	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{a8b865dd-2e3d-4094-ad97-e593a70c75d6}\0005\	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Driver	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{540b947e-8b40-45bc-a8a2-6a0b894cbda2}\000B	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Phantom	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_MSFT&PROD_VIRTUAL_DVD-ROM\2&1F4ADFFE&0&000002	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\ConfigFlags	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\WindowsHHDPerformanceData	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{a8b865dd-2e3d-4094-ad97-e593a70c75d6}\0002	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{a8b865dd-2e3d-4094-ad97-e593a70c75d6}\0003	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_MSFT&PROD_VIRTUAL_DVD-ROM\2&1F4ADFFE&0&000001	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\FriendlyName	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	mmc.exe
Key security queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters	mmc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{a8b865dd-2e3d-4094-ad97-e593a70c75d6}\0002\	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Phantom	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_QEMU&PROD_HARDDISK\4&215468A5&0&000000	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{83da6326-97a6-4088-9453-a1923f573b29}\000A	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_QEMU&PROD_HARDDISK\4&215468A5&0&000000\Control	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Properties\{cf73bb51-3abf-44a2-85e0-9a3dc7a12132}\0006	mmc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{a8b865dd-2e3d-4094-ad97-e593a70c75d6}\0005	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\LocationInformation	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags	mmc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_QEMU&Prod_HARDDISK\4&215468a5&0&000000\Properties\{a8b865dd-2e3d-4094-ad97-e593a70c75d6}\0003\	mmc.exe

Modifies Internet Explorer settings 1 TTPs 3 IoCs

adware spyware

Modify Registry

T1112

Processes:

PaintStudio.View.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000\Software\Microsoft\Internet Explorer\LowRegistry\Shell Extensions\Cached	PaintStudio.View.exe
Key created	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000\Software\Microsoft\Internet Explorer\LowRegistry	PaintStudio.View.exe
Key created	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000\Software\Microsoft\Internet Explorer\LowRegistry\Shell Extensions	PaintStudio.View.exe

Modifies registry class 12 IoCs

Processes:

PaintStudio.View.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\History\CachePrefix = "Visited:"	PaintStudio.View.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\History\CacheLimit = "1"	PaintStudio.View.exe
Key created	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache	PaintStudio.View.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Content\CacheLimit = "51200"	PaintStudio.View.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	PaintStudio.View.exe
Key created	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\History	PaintStudio.View.exe
Key created	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Cookies	PaintStudio.View.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Cookies\CacheLimit = "1"	PaintStudio.View.exe
Key created	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings	PaintStudio.View.exe
Key created	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Extensible Cache	PaintStudio.View.exe
Key created	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Content	PaintStudio.View.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-873560699-1074803302-2326074425-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.mspaint_8wekyb3d8bbwe\Internet Settings\Cache\Content\CachePrefix	PaintStudio.View.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

3096 NOTEPAD.EXE
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

PaintStudio.View.exe

pid process

2280 PaintStudio.View.exe

pid	process
3096	NOTEPAD.EXE

pid	process
2280	PaintStudio.View.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

mspaint.exePaintStudio.View.exe

pid	process
4176	mspaint.exe
4176	mspaint.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

mmc.exe

pid process

1240 mmc.exe

pid	process
1240	mmc.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

mmc.exePaintStudio.View.exe

description	pid	process
Token: 33	1240	mmc.exe
Token: SeIncBasePriorityPrivilege	1240	mmc.exe
Token: 33	1240	mmc.exe
Token: SeIncBasePriorityPrivilege	1240	mmc.exe
Token: SeDebugPrivilege	2280	PaintStudio.View.exe
Token: SeDebugPrivilege	2280	PaintStudio.View.exe
Token: SeDebugPrivilege	2280	PaintStudio.View.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

mmc.exemspaint.exePaintStudio.View.exe

pid process

1240 mmc.exe
1240 mmc.exe
1240 mmc.exe
4176 mspaint.exe
2280 PaintStudio.View.exe
2280 PaintStudio.View.exe

pid	process
1240	mmc.exe
1240	mmc.exe
1240	mmc.exe
4176	mspaint.exe
2280	PaintStudio.View.exe
2280	PaintStudio.View.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

VC_redist.x86.exe

description	pid	process	target process
PID 1184 wrote to memory of 2332	1184	VC_redist.x86.exe	VC_redist.x86.exe
PID 1184 wrote to memory of 2332	1184	VC_redist.x86.exe	VC_redist.x86.exe
PID 1184 wrote to memory of 2332	1184	VC_redist.x86.exe	VC_redist.x86.exe

C:\Users\Admin\AppData\Local\Temp\VC_redist.x86.exe
"C:\Users\Admin\AppData\Local\Temp\VC_redist.x86.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1184

C:\Windows\Temp\{8A7C7F48-3041-418F-BE23-DE9EE21E6E31}\.cr\VC_redist.x86.exe
"C:\Windows\Temp\{8A7C7F48-3041-418F-BE23-DE9EE21E6E31}\.cr\VC_redist.x86.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\VC_redist.x86.exe" -burn.filehandle.attached=524 -burn.filehandle.self=532
2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2332

C:\Windows\system32\winver.exe
"C:\Windows\system32\winver.exe"
1⤵
PID:4548

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
1⤵
PID:2928

C:\Windows\system32\mmc.exe
"C:\Windows\system32\mmc.exe" C:\Windows\system32\devmgmt.msc
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1240

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\ConnectInstall.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:3096

C:\Windows\system32\mspaint.exe
"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\CopyProtect.jfif" /ForceBootstrapPaint3D
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4176

C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe
"C:\Program Files\WindowsApps\Microsoft.MSPaint_1.1702.28017.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe" -ServerName:Microsoft.MSPaint.AppX437q68k2qc2asvaagas2prv9tjej6ja9.mca
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2280

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
PID:1868

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xcc,0xd0,0xd4,0xa8,0xd8,0x7fff09659758,0x7fff09659768,0x7fff09659778
2⤵
PID:312

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1672 --field-trial-handle=1880,i,14103265109822064558,8840781113197802898,131072 /prefetch:2
2⤵
PID:3084

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1832 --field-trial-handle=1880,i,14103265109822064558,8840781113197802898,131072 /prefetch:8
2⤵
PID:2768

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2128 --field-trial-handle=1880,i,14103265109822064558,8840781113197802898,131072 /prefetch:8
2⤵
PID:3716

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3004 --field-trial-handle=1880,i,14103265109822064558,8840781113197802898,131072 /prefetch:1
2⤵
PID:1352

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3012 --field-trial-handle=1880,i,14103265109822064558,8840781113197802898,131072 /prefetch:1
2⤵
PID:640

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4452 --field-trial-handle=1880,i,14103265109822064558,8840781113197802898,131072 /prefetch:1
2⤵
PID:4368

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3904 --field-trial-handle=1880,i,14103265109822064558,8840781113197802898,131072 /prefetch:8
2⤵
PID:2352

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4640 --field-trial-handle=1880,i,14103265109822064558,8840781113197802898,131072 /prefetch:8
2⤵
PID:2052

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4924 --field-trial-handle=1880,i,14103265109822064558,8840781113197802898,131072 /prefetch:8
2⤵
PID:4620

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4992 --field-trial-handle=1880,i,14103265109822064558,8840781113197802898,131072 /prefetch:8
2⤵
PID:2600

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5112 --field-trial-handle=1880,i,14103265109822064558,8840781113197802898,131072 /prefetch:8
2⤵
PID:1984

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:1776

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit
C:\Users\Admin\AppData\Local\Packages\Microsoft.MSPaint_8wekyb3d8bbwe\LocalState\Projects\Projects.json
Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
C:\Users\Admin\AppData\Local\Packages\Microsoft.MSPaint_8wekyb3d8bbwe\LocalState\Projects\Projects.json
Filesize
233B

MD5
ea87abf7542d2db458534271d5f49bf4

SHA1
9f72fff1047cfb0deb253d9ffd905ac5ea2e0e45

SHA256
185589dc27085c35e93005d60076ee83dd3bb70db189025409c8ff75bd3fb8ac

SHA512
ea5252617bd72f4a439e053e11b1854727aa3a1a82b44d386778e7ca8afb218aaa281f63976431ab04a3b1a883a14bebbbf09514ec4da6a2990b19a9399f01a7

Download Submit
C:\Users\Admin\AppData\Local\Packages\Microsoft.MSPaint_8wekyb3d8bbwe\LocalState\cloudCommunitySettings.json
Filesize
2KB

MD5
404a3ec24e3ebf45be65e77f75990825

SHA1
1e05647cf0a74cedfdeabfa3e8ee33b919780a61

SHA256
cc45905af3aaa62601a69c748a06a2fa48eca3b28d44d8ec18764a7e8e4c3da2

SHA512
a55382b72267375821b0a229d3529ed54cef0f295f550d1e95661bafccec606aa1cd72e059d37d78e7d2927ae72e2919941251d233152f5eeb32ffdfc96023e5

Download Submit
C:\Windows\Temp\{6FDA5117-11EF-4C62-A0B9-CBFB8A911330}\.ba\logo.png
Filesize
1KB

MD5
d6bd210f227442b3362493d046cea233

SHA1
ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

SHA256
335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

SHA512
464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

Download Submit
C:\Windows\Temp\{8A7C7F48-3041-418F-BE23-DE9EE21E6E31}\.cr\VC_redist.x86.exe
Filesize
634KB

MD5
337b547d2771fdad56de13ac94e6b528

SHA1
3aeecc5933e7d8977e7a3623e8e44d4c3d0b4286

SHA256
81873c2f6c8bc4acaad66423a1b4d90e70214e59710ea7f11c8aeb069acd4cd0

SHA512
0d0102fafb7f471a6836708d81952f2c90c2b126ad1b575f2e2e996540c99f7275ebd1f570cafcc945d26700debb1e86b19b090ae5cdec2326dd0a6a918b7a36

Download Submit
\??\pipe\crashpad_1868_HFCAVTSLSGMIBOKF
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
\Windows\Temp\{6FDA5117-11EF-4C62-A0B9-CBFB8A911330}\.ba\wixstdba.dll
Filesize
191KB

MD5
eab9caf4277829abdf6223ec1efa0edd

SHA1
74862ecf349a9bedd32699f2a7a4e00b4727543d

SHA256
a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

SHA512
45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2

Download Submit