wannacry | hxxps://github[.]com/Endermanch/MalwareDatabase/tree/master/ransomwares

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Program Files (x86)\\Windows\\Error file remover\\fatalerror.exe"	msiexec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2410826464-2353372766-2364966905-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Program Files (x86)\\Windows\\Error file remover\\fatalerror.exe"	msiexec.exe

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\~SDAB03.tmp	[email protected]
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\~SDAAEC.tmp	[email protected]

Executes dropped EXE 19 IoCs

pid	Process
2480	taskdl.exe
5936	@[email protected]
4712	@[email protected]
4504	taskhsvc.exe
3352	taskdl.exe
536	taskse.exe
5156	@[email protected]
3604	taskdl.exe
4568	taskse.exe
1132	@[email protected]
3556	taskse.exe
3684	@[email protected]
5876	taskdl.exe
2968	taskse.exe
5872	@[email protected]
2404	taskdl.exe
2604	taskse.exe
4144	@[email protected]
5044	taskdl.exe

Loads dropped DLL 40 IoCs

pid	Process
1256	[email protected]
1256	[email protected]
4620	MsiExec.exe
4620	MsiExec.exe
4620	MsiExec.exe
4620	MsiExec.exe
4620	MsiExec.exe
4620	MsiExec.exe
4620	MsiExec.exe
4620	MsiExec.exe
4620	MsiExec.exe
4620	MsiExec.exe
664	MsiExec.exe
4620	MsiExec.exe
1256	[email protected]
4620	MsiExec.exe
2064	[email protected]
2064	[email protected]
3924	MsiExec.exe
3924	MsiExec.exe
3924	MsiExec.exe
3924	MsiExec.exe
3924	MsiExec.exe
3924	MsiExec.exe
3924	MsiExec.exe
3924	MsiExec.exe
3924	MsiExec.exe
3924	MsiExec.exe
684	MsiExec.exe
3924	MsiExec.exe
2064	[email protected]
3924	MsiExec.exe
4504	taskhsvc.exe
4504	taskhsvc.exe
4504	taskhsvc.exe
4504	taskhsvc.exe
4504	taskhsvc.exe
4504	taskhsvc.exe
4504	taskhsvc.exe
4504	taskhsvc.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
6032	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\qhvfvgsevfiqy755 = "\"C:\\Users\\Admin\\Downloads\\WannaCrypt0r\\tasksche.exe\""	reg.exe

Blocklisted process makes network request 2 IoCs

flow	pid	Process
77	4620	MsiExec.exe
91	3924	MsiExec.exe

Enumerates connected drives 3 TTPs 64 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)	\??\U:	[email protected]
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\H:	[email protected]
File opened (read-only)	\??\M:	[email protected]
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\A:	[email protected]
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\S:	[email protected]
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\O:	[email protected]
File opened (read-only)	\??\T:	[email protected]
File opened (read-only)	\??\V:	[email protected]
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\O:	[email protected]
File opened (read-only)	\??\U:	[email protected]
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Q:	[email protected]
File opened (read-only)	\??\W:	[email protected]
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\Y:	[email protected]
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\G:	[email protected]
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\B:	[email protected]
File opened (read-only)	\??\S:	[email protected]
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\E:	[email protected]
File opened (read-only)	\??\G:	[email protected]
File opened (read-only)	\??\H:	[email protected]
File opened (read-only)	\??\I:	[email protected]
File opened (read-only)	\??\W:	[email protected]
File opened (read-only)	\??\Y:	[email protected]
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Z:	[email protected]
File opened (read-only)	\??\J:	[email protected]
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Z:	[email protected]
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\K:	[email protected]
File opened (read-only)	\??\N:	[email protected]
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe

File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
defense_evasion

Windows File and Directory Permissions Modification
T1222.001

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
2	raw.githubusercontent.com
3	raw.githubusercontent.com
4	raw.githubusercontent.com
68	raw.githubusercontent.com
152	raw.githubusercontent.com

Sets desktop wallpaper using registry 2 TTPs 2 IoCs

ransomware

Defacement

T1491

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2410826464-2353372766-2364966905-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]"	[email protected]
Set value (str)	\REGISTRY\USER\S-1-5-21-2410826464-2353372766-2364966905-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\@[email protected]"	@[email protected]

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Windows\Error file remover\fatalerror.exe	msiexec.exe
File created	C:\Program Files (x86)\Windows\Error file remover\fatalerror.exe	msiexec.exe
File created	C:\Program Files (x86)\Windows\Error file remover\Windows Logoff Sound.wav	msiexec.exe
File opened for modification	C:\Program Files (x86)\Windows\Error file remover\Windows Logoff Sound.wav	msiexec.exe

Drops file in Windows directory 46 IoCs

description	ioc	Process
File created	C:\Windows\Installer\e58f24e.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEDEA.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEEEA.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF2E8.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF376.tmp	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF495.tmp	msiexec.exe
File created	C:\Windows\SystemTemp\~DF6D82A0BA052E3724.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF057.tmp	msiexec.exe
File created	C:\Windows\SystemTemp\~DF145D89BF72E3430F.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DF59F9E72C21DAFBB1.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF298.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEE39.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEECA.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEF1A.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF64F.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEF5A.tmp	msiexec.exe
File created	C:\Windows\Installer\SourceHash{C452D4E2-DE24-48B6-B5C3-ACB240A01606}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF4B6.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEE78.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEEA8.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEF8A.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF475.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF505.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF5B2.tmp	msiexec.exe
File created	C:\Windows\Installer\e58f24a.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF337.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF396.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF3C6.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF474.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\e58f24e.msi	msiexec.exe
File opened for modification	C:\Windows\Tasks\sys.job	MsiExec.exe
File opened for modification	C:\Windows\Installer\MSIF0C6.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\e58f24a.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF415.tmp	msiexec.exe
File created	C:\Windows\SystemTemp\~DFDC7D7BC57C8C4056.TMP	msiexec.exe
File created	C:\Windows\SystemTemp\~DFBECA32746AE9AB69.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEF2A.tmp	msiexec.exe
File created	C:\Windows\SystemTemp\~DFE137DD6B53E3D1EF.TMP	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIEFE9.tmp	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File created	C:\Windows\SystemTemp\~DF4CE294C5214C536F.TMP	msiexec.exe
File created	C:\Windows\Tasks\sys.job	MsiExec.exe
File opened for modification	C:\Windows\Installer\MSIEEB9.tmp	msiexec.exe
File created	C:\Windows\SystemTemp\~DF76A724324E6270FC.TMP	msiexec.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

System Location Discovery: System Language Discovery 1 TTPs 38 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	@[email protected]
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskdl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskdl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskdl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskdl.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	taskdl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskdl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	@[email protected]
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	@[email protected]
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	@[email protected]
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	[email protected]
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	[email protected]
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	@[email protected]
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskhsvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskse.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	@[email protected]
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	@[email protected]
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	[email protected]

Checks processor information in registry 2 TTPs 23 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	firefox.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	firefox.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	firefox.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	firefox.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	firefox.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	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
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

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\CLASSES\LOCAL SETTINGS\MUICACHE\26\52C64B7E	msiexec.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27	msiexec.exe
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\CLASSES\LOCAL SETTINGS\MUICACHE\27	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\28	msiexec.exe

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2410826464-2353372766-2364966905-1000_Classes\Local Settings	firefox.exe
Key created	\REGISTRY\USER\S-1-5-21-2410826464-2353372766-2364966905-1000_Classes\Local Settings	firefox.exe
Key created	\REGISTRY\USER\S-1-5-21-2410826464-2353372766-2364966905-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2410826464-2353372766-2364966905-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Content\CachePrefix	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2410826464-2353372766-2364966905-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\Cookies\CachePrefix = "Cookie:"	BackgroundTransferHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2410826464-2353372766-2364966905-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoftwindows.client.cbs_cw5n1h2txyewy\Internet Settings\Cache\History\CachePrefix = "Visited:"	BackgroundTransferHost.exe
Key created	\REGISTRY\USER\S-1-5-21-2410826464-2353372766-2364966905-1000_Classes\Local Settings\MuiCache	BackgroundTransferHost.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

pid	Process
5976	reg.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\Downloads\Winlocker.VB6.Blacksod.zip:Zone.Identifier	firefox.exe
File created	C:\Users\Admin\Downloads\WannaCrypt0r.zip:Zone.Identifier	firefox.exe

Suspicious behavior: AddClipboardFormatListener 4 IoCs

pid	Process
1496	vlc.exe
2632	vlc.exe
4444	EXCEL.EXE
5816	vlc.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3368	msiexec.exe
3368	msiexec.exe
3368	msiexec.exe
3368	msiexec.exe
4672	msedge.exe
4672	msedge.exe
2340	msedge.exe
2340	msedge.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1496	vlc.exe
5156	@[email protected]

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
4672	msedge.exe
4672	msedge.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3756	firefox.exe
Token: SeDebugPrivilege	3756	firefox.exe
Token: SeDebugPrivilege	3756	firefox.exe
Token: SeSecurityPrivilege	3368	msiexec.exe
Token: SeCreateTokenPrivilege	1256	[email protected]
Token: SeAssignPrimaryTokenPrivilege	1256	[email protected]
Token: SeLockMemoryPrivilege	1256	[email protected]
Token: SeIncreaseQuotaPrivilege	1256	[email protected]
Token: SeMachineAccountPrivilege	1256	[email protected]
Token: SeTcbPrivilege	1256	[email protected]
Token: SeSecurityPrivilege	1256	[email protected]
Token: SeTakeOwnershipPrivilege	1256	[email protected]
Token: SeLoadDriverPrivilege	1256	[email protected]
Token: SeSystemProfilePrivilege	1256	[email protected]
Token: SeSystemtimePrivilege	1256	[email protected]
Token: SeProfSingleProcessPrivilege	1256	[email protected]
Token: SeIncBasePriorityPrivilege	1256	[email protected]
Token: SeCreatePagefilePrivilege	1256	[email protected]
Token: SeCreatePermanentPrivilege	1256	[email protected]
Token: SeBackupPrivilege	1256	[email protected]
Token: SeRestorePrivilege	1256	[email protected]
Token: SeShutdownPrivilege	1256	[email protected]
Token: SeDebugPrivilege	1256	[email protected]
Token: SeAuditPrivilege	1256	[email protected]
Token: SeSystemEnvironmentPrivilege	1256	[email protected]
Token: SeChangeNotifyPrivilege	1256	[email protected]
Token: SeRemoteShutdownPrivilege	1256	[email protected]
Token: SeUndockPrivilege	1256	[email protected]
Token: SeSyncAgentPrivilege	1256	[email protected]
Token: SeEnableDelegationPrivilege	1256	[email protected]
Token: SeManageVolumePrivilege	1256	[email protected]
Token: SeImpersonatePrivilege	1256	[email protected]
Token: SeCreateGlobalPrivilege	1256	[email protected]
Token: SeShutdownPrivilege	5088	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5088	msiexec.exe
Token: SeCreateTokenPrivilege	5088	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	5088	msiexec.exe
Token: SeLockMemoryPrivilege	5088	msiexec.exe
Token: SeIncreaseQuotaPrivilege	5088	msiexec.exe
Token: SeMachineAccountPrivilege	5088	msiexec.exe
Token: SeTcbPrivilege	5088	msiexec.exe
Token: SeSecurityPrivilege	5088	msiexec.exe
Token: SeTakeOwnershipPrivilege	5088	msiexec.exe
Token: SeLoadDriverPrivilege	5088	msiexec.exe
Token: SeSystemProfilePrivilege	5088	msiexec.exe
Token: SeSystemtimePrivilege	5088	msiexec.exe
Token: SeProfSingleProcessPrivilege	5088	msiexec.exe
Token: SeIncBasePriorityPrivilege	5088	msiexec.exe
Token: SeCreatePagefilePrivilege	5088	msiexec.exe
Token: SeCreatePermanentPrivilege	5088	msiexec.exe
Token: SeBackupPrivilege	5088	msiexec.exe
Token: SeRestorePrivilege	5088	msiexec.exe
Token: SeShutdownPrivilege	5088	msiexec.exe
Token: SeDebugPrivilege	5088	msiexec.exe
Token: SeAuditPrivilege	5088	msiexec.exe
Token: SeSystemEnvironmentPrivilege	5088	msiexec.exe
Token: SeChangeNotifyPrivilege	5088	msiexec.exe
Token: SeRemoteShutdownPrivilege	5088	msiexec.exe
Token: SeUndockPrivilege	5088	msiexec.exe
Token: SeSyncAgentPrivilege	5088	msiexec.exe
Token: SeEnableDelegationPrivilege	5088	msiexec.exe
Token: SeManageVolumePrivilege	5088	msiexec.exe
Token: SeImpersonatePrivilege	5088	msiexec.exe
Token: SeCreateGlobalPrivilege	5088	msiexec.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
5088	msiexec.exe
5088	msiexec.exe
660	msiexec.exe
660	msiexec.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe

Suspicious use of SendNotifyMessage 64 IoCs

pid	Process
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
1496	vlc.exe
2632	vlc.exe
2632	vlc.exe
2632	vlc.exe
2632	vlc.exe
2632	vlc.exe
2632	vlc.exe
2632	vlc.exe
2632	vlc.exe
2632	vlc.exe
2632	vlc.exe

Suspicious use of SetWindowsHookEx 34 IoCs

pid	Process
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
3756	firefox.exe
2400	MiniSearchHost.exe
1496	vlc.exe
2632	vlc.exe
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
452	firefox.exe
452	firefox.exe
452	firefox.exe
452	firefox.exe
5936	@[email protected]
5936	@[email protected]
4712	@[email protected]
4712	@[email protected]
5156	@[email protected]
5156	@[email protected]
5816	vlc.exe
1132	@[email protected]
3684	@[email protected]
5872	@[email protected]
4144	@[email protected]

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 3756	5100	firefox.exe	80
PID 5100 wrote to memory of 3756	5100	firefox.exe	80
PID 5100 wrote to memory of 3756	5100	firefox.exe	80
PID 5100 wrote to memory of 3756	5100	firefox.exe	80
PID 5100 wrote to memory of 3756	5100	firefox.exe	80
PID 5100 wrote to memory of 3756	5100	firefox.exe	80
PID 5100 wrote to memory of 3756	5100	firefox.exe	80
PID 5100 wrote to memory of 3756	5100	firefox.exe	80
PID 5100 wrote to memory of 3756	5100	firefox.exe	80
PID 5100 wrote to memory of 3756	5100	firefox.exe	80
PID 5100 wrote to memory of 3756	5100	firefox.exe	80
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 3600	3756	firefox.exe	81
PID 3756 wrote to memory of 2176	3756	firefox.exe	82
PID 3756 wrote to memory of 2176	3756	firefox.exe	82
PID 3756 wrote to memory of 2176	3756	firefox.exe	82
PID 3756 wrote to memory of 2176	3756	firefox.exe	82
PID 3756 wrote to memory of 2176	3756	firefox.exe	82
PID 3756 wrote to memory of 2176	3756	firefox.exe	82
PID 3756 wrote to memory of 2176	3756	firefox.exe	82
PID 3756 wrote to memory of 2176	3756	firefox.exe	82

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 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
6024	attrib.exe
5944	attrib.exe

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "https://github.com/Endermanch/MalwareDatabase/tree/master/ransomwares"
1⤵
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Program Files\Mozilla Firefox\firefox.exe
  "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://github.com/Endermanch/MalwareDatabase/tree/master/ransomwares
  2⤵
  - Checks processor information in registry
  - Modifies registry class
  - NTFS ADS
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3756
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2024 -parentBuildID 20240401114208 -prefsHandle 1952 -prefMapHandle 1796 -prefsLen 23678 -prefMapSize 244658 -appDir "C:\Program Files\Mozilla Firefox\browser" - {3b7666cc-dd60-477e-be8d-185512355353} 3756 "\\.\pipe\gecko-crash-server-pipe.3756" gpu
    3⤵
    PID:3600
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2416 -parentBuildID 20240401114208 -prefsHandle 2392 -prefMapHandle 2380 -prefsLen 24598 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {32e95589-60f9-443b-b8e0-dce3d5b1658e} 3756 "\\.\pipe\gecko-crash-server-pipe.3756" socket
    3⤵
    - Checks processor information in registry
    PID:2176
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3300 -childID 1 -isForBrowser -prefsHandle 3292 -prefMapHandle 3288 -prefsLen 22652 -prefMapSize 244658 -jsInitHandle 936 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {70b4f4db-d10b-4945-9132-ef4b2abfe46d} 3756 "\\.\pipe\gecko-crash-server-pipe.3756" tab
    3⤵
    PID:332
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3644 -childID 2 -isForBrowser -prefsHandle 3620 -prefMapHandle 3656 -prefsLen 29088 -prefMapSize 244658 -jsInitHandle 936 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {7bc5a31e-306c-4610-9f13-a48e4fdcc67d} 3756 "\\.\pipe\gecko-crash-server-pipe.3756" tab
    3⤵
    PID:2956
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4288 -parentBuildID 20240401114208 -sandboxingKind 0 -prefsHandle 4296 -prefMapHandle 4284 -prefsLen 29088 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f4b406c1-564b-4efc-8108-84e12530ffa5} 3756 "\\.\pipe\gecko-crash-server-pipe.3756" utility
    3⤵
    - Checks processor information in registry
    PID:5028
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5332 -childID 3 -isForBrowser -prefsHandle 5296 -prefMapHandle 5324 -prefsLen 27051 -prefMapSize 244658 -jsInitHandle 936 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {7f7e7f8a-0469-4875-bd89-0602b592f4cc} 3756 "\\.\pipe\gecko-crash-server-pipe.3756" tab
    3⤵
    PID:2760
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5572 -childID 4 -isForBrowser -prefsHandle 5564 -prefMapHandle 5296 -prefsLen 27051 -prefMapSize 244658 -jsInitHandle 936 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a94318ac-fd72-42e3-8ad0-d6ea1db209cc} 3756 "\\.\pipe\gecko-crash-server-pipe.3756" tab
    3⤵
    PID:644
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5616 -childID 5 -isForBrowser -prefsHandle 5696 -prefMapHandle 5692 -prefsLen 27051 -prefMapSize 244658 -jsInitHandle 936 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ed020651-4373-4c70-883d-a6dd7ee929e5} 3756 "\\.\pipe\gecko-crash-server-pipe.3756" tab
    3⤵
    PID:2724

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:5024

C:\Users\Admin\Downloads\Winlocker.VB6.Blacksod\[email protected]
"C:\Users\Admin\Downloads\Winlocker.VB6.Blacksod\[email protected]"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1256
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\Windows\Error file remover 1.0.0.0\install\0A01606\Error file remover.msi" AI_SETUPEXEPATH=C:\Users\Admin\Downloads\Winlocker.VB6.Blacksod\[email protected] SETUPEXEDIR=C:\Users\Admin\Downloads\Winlocker.VB6.Blacksod\ EXE_CMD_LINE="/exenoupdates /exelang 0 /noprereqs "
  2⤵
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:5088

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Modifies WinLogon for persistence
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3368
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding FC8822D649BD448285896B25C94A388E
  2⤵
  - Loads dropped DLL
  - Blocklisted process makes network request
  - System Location Discovery: System Language Discovery
  PID:4620
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 0025C6832E402BDE7CA5145A0B6F4A35 E Global\MSI0000
  2⤵
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:664
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding BCD34BEADC90879F4E963280228BE7E4
  2⤵
  - Loads dropped DLL
  - Blocklisted process makes network request
  - System Location Discovery: System Language Discovery
  PID:3924
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 6302337E107669DF9D9B0801BC7F9067 E Global\MSI0000
  2⤵
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:684

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:2400

C:\Windows\system32\BackgroundTransferHost.exe
"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.13
1⤵
- Modifies registry class
PID:1672

C:\Users\Admin\Downloads\Winlocker.VB6.Blacksod\[email protected]
"C:\Users\Admin\Downloads\Winlocker.VB6.Blacksod\[email protected]"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- System Location Discovery: System Language Discovery
PID:2064
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\system32\msiexec.exe" /i "C:\Users\Admin\AppData\Roaming\Windows\Error file remover 1.0.0.0\install\0A01606\Error file remover.msi" AI_SETUPEXEPATH=C:\Users\Admin\Downloads\Winlocker.VB6.Blacksod\[email protected] SETUPEXEDIR=C:\Users\Admin\Downloads\Winlocker.VB6.Blacksod\ EXE_CMD_LINE="/exenoupdates /exelang 0 /noprereqs "
  2⤵
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  PID:660

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\ConnectRedo.ogg"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:1496

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\GetBlock.M2TS"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2632

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Desktop\PopStop.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4444

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
PID:4672
- 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffb628b3cb8,0x7ffb628b3cc8,0x7ffb628b3cd8
  2⤵
  PID:1124
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1896,12330758180060965916,4523039086818119449,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1908 /prefetch:2
  2⤵
  PID:1364
- 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=1896,12330758180060965916,4523039086818119449,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2324 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2340
- 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=1896,12330758180060965916,4523039086818119449,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2720 /prefetch:8
  2⤵
  PID:816
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,12330758180060965916,4523039086818119449,131072 --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=3316 /prefetch:1
  2⤵
  PID:2008
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1896,12330758180060965916,4523039086818119449,131072 --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=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3336 /prefetch:1
  2⤵
  PID:1664

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1496

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3832

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe"
1⤵
PID:1676
- C:\Program Files\Mozilla Firefox\firefox.exe
  "C:\Program Files\Mozilla Firefox\firefox.exe"
  2⤵
  - Checks processor information in registry
  - Modifies registry class
  - NTFS ADS
  - Suspicious use of SetWindowsHookEx
  PID:452
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=1892 -parentBuildID 20240401114208 -prefsHandle 1808 -prefMapHandle 1800 -prefsLen 24528 -prefMapSize 244978 -appDir "C:\Program Files\Mozilla Firefox\browser" - {d02c4801-92a3-40bb-a305-eb346be7a4f5} 452 "\\.\pipe\gecko-crash-server-pipe.452" gpu
    3⤵
    PID:5088
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2204 -parentBuildID 20240401114208 -prefsHandle 2184 -prefMapHandle 2172 -prefsLen 24528 -prefMapSize 244978 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f2b8bb74-83dd-4775-bf3c-3b917c7e0093} 452 "\\.\pipe\gecko-crash-server-pipe.452" socket
    3⤵
    PID:224
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3060 -childID 1 -isForBrowser -prefsHandle 2832 -prefMapHandle 3028 -prefsLen 25027 -prefMapSize 244978 -jsInitHandle 1004 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {4a8c45b6-380d-4b56-b543-c5d8991fac31} 452 "\\.\pipe\gecko-crash-server-pipe.452" tab
    3⤵
    PID:1788
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3632 -childID 2 -isForBrowser -prefsHandle 3612 -prefMapHandle 3172 -prefsLen 30260 -prefMapSize 244978 -jsInitHandle 1004 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a18f1623-05ca-48f1-96a7-b3edbf77a102} 452 "\\.\pipe\gecko-crash-server-pipe.452" tab
    3⤵
    PID:1184
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4480 -parentBuildID 20240401114208 -sandboxingKind 0 -prefsHandle 4476 -prefMapHandle 4472 -prefsLen 30314 -prefMapSize 244978 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {fa0faac8-983a-4f56-9ee7-b2b2ded19a45} 452 "\\.\pipe\gecko-crash-server-pipe.452" utility
    3⤵
    - Checks processor information in registry
    PID:4560
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5276 -childID 3 -isForBrowser -prefsHandle 5240 -prefMapHandle 5244 -prefsLen 27782 -prefMapSize 244978 -jsInitHandle 1004 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {62e4a4ff-ce54-4278-8fe6-211970d3742c} 452 "\\.\pipe\gecko-crash-server-pipe.452" tab
    3⤵
    PID:5500
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5368 -childID 4 -isForBrowser -prefsHandle 5444 -prefMapHandle 5440 -prefsLen 27782 -prefMapSize 244978 -jsInitHandle 1004 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {0d2902c2-2623-43b9-893e-c8270e7d4191} 452 "\\.\pipe\gecko-crash-server-pipe.452" tab
    3⤵
    PID:5512
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5352 -childID 5 -isForBrowser -prefsHandle 5580 -prefMapHandle 5584 -prefsLen 27782 -prefMapSize 244978 -jsInitHandle 1004 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {3c8231ab-16da-4c01-9859-2d5f70d21644} 452 "\\.\pipe\gecko-crash-server-pipe.452" tab
    3⤵
    PID:5524
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5636 -childID 6 -isForBrowser -prefsHandle 5616 -prefMapHandle 5624 -prefsLen 27782 -prefMapSize 244978 -jsInitHandle 1004 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a0694c88-deca-4a74-8dc2-0bc6eab2603d} 452 "\\.\pipe\gecko-crash-server-pipe.452" tab
    3⤵
    PID:1516

C:\Users\Admin\Downloads\WannaCrypt0r\[email protected]
"C:\Users\Admin\Downloads\WannaCrypt0r\[email protected]"
1⤵
- Drops startup file
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
PID:864
- C:\Windows\SysWOW64\attrib.exe
  attrib +h .
  2⤵
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:6024
- C:\Windows\SysWOW64\icacls.exe
  icacls . /grant Everyone:F /T /C /Q
  2⤵
  - Modifies file permissions
  - System Location Discovery: System Language Discovery
  PID:6032
- C:\Users\Admin\Downloads\WannaCrypt0r\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2480
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c 186861729016159.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1992
- - C:\Windows\SysWOW64\cscript.exe
    cscript.exe //nologo m.vbs
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3544
- C:\Windows\SysWOW64\attrib.exe
  attrib +h +s F:\$RECYCLE
  2⤵
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:5944
- C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
  @[email protected] co
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5936
- - C:\Users\Admin\Downloads\WannaCrypt0r\TaskData\Tor\taskhsvc.exe
    TaskData\Tor\taskhsvc.exe
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:4504
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c start /b @[email protected] vs
  2⤵
  - System Location Discovery: System Language Discovery
  PID:6092
- - C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
    @[email protected] vs
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:4712
  - - 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
      4⤵
      System Location Discovery: System Language Discovery
      PID:4412
    - - C:\Windows\SysWOW64\Wbem\WMIC.exe
        
        wmic shadowcopy delete
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1560
- C:\Users\Admin\Downloads\WannaCrypt0r\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3352
- C:\Users\Admin\Downloads\WannaCrypt0r\taskse.exe
  taskse.exe C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:536
- C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
  @[email protected]
  2⤵
  - Executes dropped EXE
  - Sets desktop wallpaper using registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:5156
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "qhvfvgsevfiqy755" /t REG_SZ /d "\"C:\Users\Admin\Downloads\WannaCrypt0r\tasksche.exe\"" /f
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5160
- - C:\Windows\SysWOW64\reg.exe
    reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "qhvfvgsevfiqy755" /t REG_SZ /d "\"C:\Users\Admin\Downloads\WannaCrypt0r\tasksche.exe\"" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:5976
- C:\Users\Admin\Downloads\WannaCrypt0r\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3604
- C:\Users\Admin\Downloads\WannaCrypt0r\taskse.exe
  taskse.exe C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4568
- C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
  @[email protected]
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1132
- C:\Users\Admin\Downloads\WannaCrypt0r\taskse.exe
  taskse.exe C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3556
- C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
  @[email protected]
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3684
- C:\Users\Admin\Downloads\WannaCrypt0r\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5876
- C:\Users\Admin\Downloads\WannaCrypt0r\taskse.exe
  taskse.exe C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2968
- C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
  @[email protected]
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5872
- C:\Users\Admin\Downloads\WannaCrypt0r\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2404
- C:\Users\Admin\Downloads\WannaCrypt0r\taskse.exe
  taskse.exe C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2604
- C:\Users\Admin\Downloads\WannaCrypt0r\@[email protected]
  @[email protected]
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4144
- C:\Users\Admin\Downloads\WannaCrypt0r\taskdl.exe
  taskdl.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5044

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
PID:4000

C:\Program Files\VideoLAN\VLC\vlc.exe
"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\ConnectRedo.ogg"
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5816

C:\Windows\SysWOW64\werfault.exe
werfault.exe /h /shared Global\1ce296a398fc4221b7eb499c0b7ac34c /t 5132 /p 5156
1⤵
PID:2572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

T1047

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

File and Directory Permissions Modification

T1222

Windows File and Directory Permissions Modification

T1222.001

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

Credential Access

Discovery

Browser Information Discovery

T1217

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery