Analysis
- max time kernel
150s - max time network
145s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
16/08/2026, 05:44
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
blockwrk.io_hyber.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
38 signatures
150 seconds
Behavioral task
behavioral2
Sample
blockwrk.io_hyber.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
39 signatures
150 seconds
General
- Target blockwrk.io_hyber.exe
- Size 49KB
- Sample260816-gfg1msbd76
- SHA256 5ce8f1b4d2643f6b9c961f426ecd53411c60b52be2dee24a8636fac494cda1db
- MD5 efa3ff44fd1c1d2749782fbd38425430
- SHA1 1e324243d260e889c1dc860401d5ed6e5c0748be
- SHA512 afe32e802a975dd2634fcc09b6d2256a2118788bc0938e4f31a9db3be7b7db1d97958b63cd888885edbefc89a3ae25e71c1915b8f96fb27fedfa9e3f426c6414
- SSDEEP 768:VrVZZ6zs0haTW1Z5hkcR9x3zqp/NKPzfX/f+94y:FZ6HhaTuZswxepGP/f+94y
- TLSH T1ED33F74937FD4525E1BF4ABE89B291118731F453DC23DB8E1AD8859E09F37008CA8B6B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Contains code to disable Windows Defender 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral2/memory/3256-1-0x0000000000AB0000-0x0000000000AC2000-memory.dmp disable_win_def -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" blockwrk.io_hyber.exe - Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
pid Process 5368 powershell.exe - Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" blockwrk.io_hyber.exe - Disables Task Manager via registry modification
- Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\System32\drivers\etc\hosts blockwrk.io_hyber.exe - Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 6428 netsh.exe - Creates a file in the Startup directory 1 TTPs 64 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_117.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_63.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_120.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_139.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_164.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_196.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_17.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_65.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_76.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_128.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_131.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_162.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_49.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_185.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_9.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_69.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_91.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_120.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_156.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_177.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_83.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_94.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_109.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_42.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_74.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_164.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_188.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_189.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_99.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_56.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_35.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_37.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_53.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_80.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_125.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_149.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_101.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_19.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_126.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_132.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_151.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_152.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_158.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_161.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_106.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_24.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_39.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_142.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_150.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_175.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_179.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_195.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_38.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_90.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_122.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_123.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_157.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_165.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_181.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_25.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_46.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_148.pdf blockwrk.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_195.pdf blockwrk.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_23.pdf blockwrk.io_hyber.exe - Disables service(s) 3 TTPs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Stops running service(s) 4 TTPs
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\blockwrk.io_hyber.exe" blockwrk.io_hyber.exe - Discovers running processes 1 TTPs 1 IoCs
Running process information can be used to identify security tools or plan follow-on actions.
pid Process 6820 tasklist.exe - Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\system32\LogFiles\WMI\FaceUnlockManually.etl LogonUI.exe File created C:\Windows\system32\svchost.exe blockwrk.io_hyber.exe File created C:\Windows\system32\sysupdate.exe blockwrk.io_hyber.exe File opened for modification C:\Windows\system32\sysupdate.exe blockwrk.io_hyber.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
pid Process 5556 wscript.exe 6048 wscript.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp" blockwrk.io_hyber.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\rescache\_merged\1190018277\3313064497.pri LogonUI.exe - Launches sc.exe 10 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4688 sc.exe 5572 sc.exe 1540 sc.exe 5604 sc.exe 6464 sc.exe 5732 sc.exe 5672 sc.exe 6092 sc.exe 4908 sc.exe 6444 sc.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe - Executes a command shell one-liner 1 TTPs 7 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 944 cmd.exe 5964 cmd.exe 4508 cmd.exe 2052 cmd.exe 3380 cmd.exe 1092 cmd.exe 5152 cmd.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 LogonUI.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz LogonUI.exe - Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 6892 ipconfig.exe 7100 NETSTAT.EXE - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 6848 systeminfo.exe - Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 6376 vssadmin.exe 2516 vssadmin.exe - Modifies Control Panel 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000\Control Panel\Desktop\WallpaperStyle = "2" blockwrk.io_hyber.exe - Modifies data under HKEY_USERS 4 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00 LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe - Modifies registry class 16 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\blockwrk.io_hyber.exe" blockwrk.io_hyber.exe Key created \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\ms-settings\shell\open\command blockwrk.io_hyber.exe Key created \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\ms-settings\shell\open blockwrk.io_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell blockwrk.io_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open blockwrk.io_hyber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\blockwrk.io_hyber.exe\" \"%1\"" blockwrk.io_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\ms-settings\shell\open\command blockwrk.io_hyber.exe Key created \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\ms-settings\shell blockwrk.io_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command blockwrk.io_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\ms-settings\shell blockwrk.io_hyber.exe Key created \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\ms-settings blockwrk.io_hyber.exe Set value (str) \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\ms-settings\shell\open\command\DelegateExecute blockwrk.io_hyber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.pdf\ = "PDFBotnet" blockwrk.io_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet blockwrk.io_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\ms-settings\shell\open blockwrk.io_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-2115213192-531537726-3295841909-1000_Classes\ms-settings blockwrk.io_hyber.exe - Runs net.exe
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3204 schtasks.exe 6180 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5368 powershell.exe 5368 powershell.exe 5368 powershell.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 6392 WMIC.exe 6392 WMIC.exe 6392 WMIC.exe 6392 WMIC.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 2496 WMIC.exe 2496 WMIC.exe 2496 WMIC.exe 2496 WMIC.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe 3256 blockwrk.io_hyber.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1196 LogonUI.exe Token: SeCreatePagefilePrivilege 1196 LogonUI.exe Token: SeDebugPrivilege 3256 blockwrk.io_hyber.exe Token: SeDebugPrivilege 5368 powershell.exe Token: SeIncreaseQuotaPrivilege 5368 powershell.exe Token: SeSecurityPrivilege 5368 powershell.exe Token: SeTakeOwnershipPrivilege 5368 powershell.exe Token: SeLoadDriverPrivilege 5368 powershell.exe Token: SeSystemProfilePrivilege 5368 powershell.exe Token: SeSystemtimePrivilege 5368 powershell.exe Token: SeProfSingleProcessPrivilege 5368 powershell.exe Token: SeIncBasePriorityPrivilege 5368 powershell.exe Token: SeCreatePagefilePrivilege 5368 powershell.exe Token: SeBackupPrivilege 5368 powershell.exe Token: SeRestorePrivilege 5368 powershell.exe Token: SeShutdownPrivilege 5368 powershell.exe Token: SeDebugPrivilege 5368 powershell.exe Token: SeSystemEnvironmentPrivilege 5368 powershell.exe Token: SeRemoteShutdownPrivilege 5368 powershell.exe Token: SeUndockPrivilege 5368 powershell.exe Token: SeManageVolumePrivilege 5368 powershell.exe Token: 33 5368 powershell.exe Token: 34 5368 powershell.exe Token: 35 5368 powershell.exe Token: 36 5368 powershell.exe Token: SeIncBasePriorityPrivilege 3256 blockwrk.io_hyber.exe Token: SeIncreaseQuotaPrivilege 5368 powershell.exe Token: SeSecurityPrivilege 5368 powershell.exe Token: SeTakeOwnershipPrivilege 5368 powershell.exe Token: SeLoadDriverPrivilege 5368 powershell.exe Token: SeSystemProfilePrivilege 5368 powershell.exe Token: SeSystemtimePrivilege 5368 powershell.exe Token: SeProfSingleProcessPrivilege 5368 powershell.exe Token: SeIncBasePriorityPrivilege 5368 powershell.exe Token: SeCreatePagefilePrivilege 5368 powershell.exe Token: SeBackupPrivilege 5368 powershell.exe Token: SeRestorePrivilege 5368 powershell.exe Token: SeShutdownPrivilege 5368 powershell.exe Token: SeDebugPrivilege 5368 powershell.exe Token: SeSystemEnvironmentPrivilege 5368 powershell.exe Token: SeRemoteShutdownPrivilege 5368 powershell.exe Token: SeUndockPrivilege 5368 powershell.exe Token: SeManageVolumePrivilege 5368 powershell.exe Token: 33 5368 powershell.exe Token: 34 5368 powershell.exe Token: 35 5368 powershell.exe Token: 36 5368 powershell.exe Token: SeDebugPrivilege 6796 whoami.exe Token: SeDebugPrivilege 6820 tasklist.exe Token: SeIncreaseQuotaPrivilege 6392 WMIC.exe Token: SeSecurityPrivilege 6392 WMIC.exe Token: SeTakeOwnershipPrivilege 6392 WMIC.exe Token: SeLoadDriverPrivilege 6392 WMIC.exe Token: SeSystemProfilePrivilege 6392 WMIC.exe Token: SeSystemtimePrivilege 6392 WMIC.exe Token: SeProfSingleProcessPrivilege 6392 WMIC.exe Token: SeIncBasePriorityPrivilege 6392 WMIC.exe Token: SeCreatePagefilePrivilege 6392 WMIC.exe Token: SeBackupPrivilege 6392 WMIC.exe Token: SeRestorePrivilege 6392 WMIC.exe Token: SeShutdownPrivilege 6392 WMIC.exe Token: SeDebugPrivilege 6392 WMIC.exe Token: SeSystemEnvironmentPrivilege 6392 WMIC.exe Token: SeRemoteShutdownPrivilege 6392 WMIC.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3256 blockwrk.io_hyber.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1196 LogonUI.exe 1196 LogonUI.exe 3256 blockwrk.io_hyber.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3256 wrote to memory of 5368 3256 blockwrk.io_hyber.exe 91 PID 3256 wrote to memory of 5732 3256 blockwrk.io_hyber.exe 93 PID 3256 wrote to memory of 4688 3256 blockwrk.io_hyber.exe 95 PID 3256 wrote to memory of 5672 3256 blockwrk.io_hyber.exe 97 PID 3256 wrote to memory of 6092 3256 blockwrk.io_hyber.exe 99 PID 3256 wrote to memory of 4908 3256 blockwrk.io_hyber.exe 101 PID 3256 wrote to memory of 5572 3256 blockwrk.io_hyber.exe 103 PID 3256 wrote to memory of 1540 3256 blockwrk.io_hyber.exe 105 PID 3256 wrote to memory of 5604 3256 blockwrk.io_hyber.exe 107 PID 3256 wrote to memory of 4416 3256 blockwrk.io_hyber.exe 109 PID 4416 wrote to memory of 1980 4416 fodhelper.exe 110 PID 3256 wrote to memory of 5556 3256 blockwrk.io_hyber.exe 112 PID 3256 wrote to memory of 3204 3256 blockwrk.io_hyber.exe 113 PID 3256 wrote to memory of 1016 3256 blockwrk.io_hyber.exe 117 PID 3256 wrote to memory of 5152 3256 blockwrk.io_hyber.exe 120 PID 3256 wrote to memory of 5964 3256 blockwrk.io_hyber.exe 121 PID 3256 wrote to memory of 944 3256 blockwrk.io_hyber.exe 122 PID 3256 wrote to memory of 4508 3256 blockwrk.io_hyber.exe 123 PID 3256 wrote to memory of 2052 3256 blockwrk.io_hyber.exe 124 PID 3256 wrote to memory of 3380 3256 blockwrk.io_hyber.exe 125 PID 3256 wrote to memory of 1092 3256 blockwrk.io_hyber.exe 126 PID 3256 wrote to memory of 6180 3256 blockwrk.io_hyber.exe 132 PID 3256 wrote to memory of 6048 3256 blockwrk.io_hyber.exe 136 PID 3256 wrote to memory of 6376 3256 blockwrk.io_hyber.exe 137 PID 3256 wrote to memory of 6392 3256 blockwrk.io_hyber.exe 138 PID 3256 wrote to memory of 6408 3256 blockwrk.io_hyber.exe 139 PID 3256 wrote to memory of 6428 3256 blockwrk.io_hyber.exe 140 PID 3256 wrote to memory of 6444 3256 blockwrk.io_hyber.exe 141 PID 3256 wrote to memory of 6464 3256 blockwrk.io_hyber.exe 142 PID 2052 wrote to memory of 6760 2052 cmd.exe 149 PID 4508 wrote to memory of 6796 4508 cmd.exe 150 PID 944 wrote to memory of 6820 944 cmd.exe 151 PID 5964 wrote to memory of 6848 5964 cmd.exe 152 PID 6760 wrote to memory of 6864 6760 net.exe 153 PID 3380 wrote to memory of 6892 3380 cmd.exe 154 PID 6408 wrote to memory of 7164 6408 net.exe 156 PID 1092 wrote to memory of 7100 1092 cmd.exe 155 PID 5152 wrote to memory of 2516 5152 cmd.exe 158 PID 5152 wrote to memory of 2496 5152 cmd.exe 160 - 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.
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\blockwrk.io_hyber.exe"C:\Users\Admin\AppData\Local\Temp\blockwrk.io_hyber.exe"1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Disables RegEdit via registry modification
- Drops file in Drivers directory
- Creates a file in the Startup directory
- Adds Run key to start application
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3256 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -NonI -W Hidden -Exec Bypass -Enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBSAGUAYQBsAHQAaQBtAGUATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA7ACAAUwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARABpAHMAYQBiAGwAZQBCAGUAaABhAHYAaQBvAHIATQBvAG4AaQB0AG8AcgBpAG4AZwAgACQAdAByAHUAZQA=2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5368
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop wscsvc2⤵
- Launches sc.exe
PID:5732
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config wscsvc start= disabled2⤵
- Launches sc.exe
PID:4688
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop SecurityHealthService2⤵
- Launches sc.exe
PID:5672
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled2⤵
- Launches sc.exe
PID:6092
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop WinDefend2⤵
- Launches sc.exe
PID:4908
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config WinDefend start= disabled2⤵
- Launches sc.exe
PID:5572
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop MsMpSvc2⤵
- Launches sc.exe
PID:1540
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config MsMpSvc start= disabled2⤵
- Launches sc.exe
PID:5604
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C:\Windows\System32\fodhelper.exe"C:\Windows\System32\fodhelper.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4416 -
C:\Users\Admin\AppData\Local\Temp\blockwrk.io_hyber.exe"C:\Users\Admin\AppData\Local\Temp\blockwrk.io_hyber.exe"3⤵PID:1980
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs2⤵
- Executes a VBScript file via the Windows Script Host.
PID:5556
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\blockwrk.io_hyber.exe" /sc onlogon /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:3204
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C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe"2⤵PID:1016
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\del.bat" "2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5152 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:2516
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2496
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:5964 -
C:\Windows\system32\systeminfo.exesysteminfo3⤵
- Gathers system information
PID:6848
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:944 -
C:\Windows\system32\tasklist.exetasklist3⤵
- Discovers running processes
- Suspicious use of AdjustPrivilegeToken
PID:6820
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Windows\system32\whoami.exewhoami3⤵
- Suspicious use of AdjustPrivilegeToken
PID:6796
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\system32\net.exenet user3⤵
- Suspicious use of WriteProcessMemory
PID:6760 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user4⤵PID:6864
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3380 -
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:6892
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Windows\system32\NETSTAT.EXEnetstat -an3⤵
- Gathers network information
PID:7100
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\blockwrk.io_hyber.exe" /sc daily /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:6180
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs2⤵
- Executes a VBScript file via the Windows Script Host.
PID:6048
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C:\Windows\System32\vssadmin.exe"C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet2⤵
- Interacts with shadow copies
PID:6376
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C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:6392
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C:\Windows\System32\net.exe"C:\Windows\System32\net.exe" stop srservice2⤵
- Suspicious use of WriteProcessMemory
PID:6408 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop srservice3⤵PID:7164
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C:\Windows\System32\netsh.exe"C:\Windows\System32\netsh.exe" advfirewall set allprofiles state off2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:6428
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config i8042prt start= disabled2⤵
- Launches sc.exe
PID:6444
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop i8042prt2⤵
- Launches sc.exe
PID:6464
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3a24855 /state1:0x41c64e6d1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1196
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k CameraMonitor1⤵PID:4116
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C:\Users\Admin\AppData\Local\Temp\blockwrk.io_hyber.exeC:\Users\Admin\AppData\Local\Temp\blockwrk.io_hyber.exe1⤵PID:4604
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:2560
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
4PowerShell
1Visual Basic
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Direct Volume Access
1Impair Defenses
3Disable or Modify System Firewall
1Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
3Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
- Path C:\ProgramData\invoice_1.pdf
- Size 66KB
- SHA256 c8ace1888a7ec8715843ffa2c50147acbdc5ff3a730944e005660d79c890f089
- MD5 118896a263487594bc3f5fca4c0a962d
- SHA1 7eb12f09cfee45e4dde6317138ca57661086518e
- SHA512 c4d77580f1159f8acd749171d2cf793f5ea4917f63061f3553a1efa72c7cecc72f2172e396f6179a301d36442172ac2fc611970396ab401c20a988e802d08fac
- SSDEEP 1536:M2Rveo0zwn1+7cRMa3EJexr3lPSMczBcUh2vcCsRSk94h9px7lyWev:MgvQzwnA81EYr3lPTczBcUgUtKT7lyH
- TLSH T144633A378A27FCC1677F3D80E0A439560C88392787B5A67CFBC50A5938A5684EF2D598
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\SystemVolumeInformation\doc_3.pdf
- Size 66KB
- SHA256 b073d3a3065c6f590cbf92d92e0252751f1cb31bf6f266221a16dc6ccd904313
- MD5 b737eeca3c387fafbd92df877cc5941d
- SHA1 c489fbed6aebedd15763dc8c4439ea9a71d2cb6f
- SHA512 7bdac75881923cfc4ccb57aba9ba246f584f33c34e61bddf360947b1afcab5ff72b15109e353b953e27edca86b1ad8b0c902142a617a1a3c25ea5c737b8b72cb
- SSDEEP 1536:s2Rveo0zwn1+7cRMa3EJexr3lPSMczBcUh2vcCsRSk94h9px7lyWeO:sgvQzwnA81EYr3lPTczBcUgUtKT7lyG
- TLSH T15C632A378B27FDC2677F3D80E0A429560C883D2787B1A67CFBC50A9938A5584DF2D598
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
- Size 242B
- SHA256 d3c6139a8d26dc59d961ad11f0531f4deaae592c569fb56d17655966b68b8781
- MD5 bd00d6482469e30b4cc57860f17a55c1
- SHA1 0cef647521dddd1c28b749c1ddbc9c9a246b2a77
- SHA512 8b178e6f750dca20cac53ee61557e6beeb04d7549453bcba97dd450f87217519fb0c8b3bee230464445feb4005b5f2bfab38d942da2916929effa8f355e3d560
- TLSH T17ED0A547714DC5A50011113B41F3CD4CD5F5485937177E704595DD4D359149545F6543
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\del.bat
- Size 59B
- SHA256 a51f2a0f053ac35b4158bb02b75421ab3698e1d0ee4f926abf1bae3af1570c53
- MD5 9cecbebdcdd60358132849714a3b82f7
- SHA1 be6e20834a5726f3742f05e6bdfaff16118b147f
- SHA512 7b48bd66b4c741d2de2e8b7bc0eab8f438ddc1ed0c73e8b70add9bee400f6640f692884965032616e2d6911a22a17d1d3762421aa49fe021660c9052cfc0675a
- TLSH T13DA002620F961E5469529E5AD73425239D1F104CD1390012F05232903DA98DE0EC2144
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\makelnk.vbs
- Size 243B
- SHA256 88d94fb9bc3172cce3920b078230581c2931bcfe9d76a8c2de17e5e337fb1048
- MD5 3d6a6e61443251b33f4052597f08cfeb
- SHA1 aa69c09724dfc169bb0d276730da1e1db898b205
- SHA512 d28bb11082057b7d1d63c29909ac5eaa8858d4549800c05b7809a5e9fae92a7c77668007a7dd8636adce63d9424af5a76cd8557f3fbe7eab30e42add553dd2bb
- TLSH T1EAD0A587714DC5A50011113F41F3CD4CD5E148593B177E709555DD0E368145545F6543
- MD5 SHA1 SHA512 TLSH