Analysis
- max time kernel
149s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
12/08/2026, 10:37
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
greatroc.tw_hyber.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
38 signatures
150 seconds
Behavioral task
behavioral2
Sample
greatroc.tw_hyber.exe
Resource
win11ltsc2024-20260709-en
windows11-ltsc_2024-x64
39 signatures
150 seconds
General
- Target greatroc.tw_hyber.exe
- Size 49KB
- Sample260812-mn75passcy
- SHA256 869d2ecb8cc148c1a4c0291f4859df578b262991096dc097c5c3aeccf11489cd
- MD5 5e0555de18379b1e1ca6a1afbbd8e25b
- SHA1 07cfd1bed8b792520c5087d9b42da6b803c78680
- SHA512 169f6964b3ff8fa4acbfa1a2129fa7621e792bdb896928ead5d0136fe25a36d5de5d52ed8c9c43794afdf222ead16b4112f4480379817e26dd937f9adb3695ab
- SSDEEP 768:ErVZZ6zs0haTW1Z5hkcR9x3qq6/NKPzfX/fhv4F:iZ6HhaTuZswx76GP/fhv4F
- TLSH T15333074937FD4525E1BF9ABE89B291118731F453DC23DB8E1AD8859E09F37008CA8B67
- 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/3360-1-0x0000000000CF0000-0x0000000000D02000-memory.dmp disable_win_def -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" greatroc.tw_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 5028 powershell.exe - Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" greatroc.tw_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 greatroc.tw_hyber.exe - Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3368 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_152.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_37.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_69.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_190.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_192.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_193.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_8.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_9.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_34.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_52.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_56.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_68.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_161.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_162.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_67.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_78.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_78.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_112.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_160.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_188.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_189.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_5.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_10.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_19.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_32.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_37.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_119.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_124.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_141.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_24.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_38.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_145.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_156.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_172.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_27.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_62.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_79.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_105.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_130.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_132.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_140.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_6.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_72.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_87.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.bat greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_51.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_175.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_191.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_12.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_30.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_93.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_117.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_147.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_173.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_179.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_11.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_45.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_71.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_80.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_138.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_195.pdf greatroc.tw_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_20.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_25.pdf greatroc.tw_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_28.pdf greatroc.tw_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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\greatroc.tw_hyber.exe" greatroc.tw_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 1940 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 greatroc.tw_hyber.exe File created C:\Windows\system32\sysupdate.exe greatroc.tw_hyber.exe File opened for modification C:\Windows\system32\sysupdate.exe greatroc.tw_hyber.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
pid Process 6360 wscript.exe 4940 wscript.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp" greatroc.tw_hyber.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\rescache\_merged\1190018277\1293781730.pri LogonUI.exe - Launches sc.exe 10 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 5404 sc.exe 5764 sc.exe 5004 sc.exe 2824 sc.exe 1284 sc.exe 5188 sc.exe 1936 sc.exe 356 sc.exe 4796 sc.exe 5080 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 5636 cmd.exe 4668 cmd.exe 4832 cmd.exe 4452 cmd.exe 5692 cmd.exe 1904 cmd.exe 764 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 5624 NETSTAT.EXE 3956 ipconfig.exe - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 4876 systeminfo.exe - Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 5628 vssadmin.exe 6280 vssadmin.exe - Modifies Control Panel 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000\Control Panel\Desktop\WallpaperStyle = "2" greatroc.tw_hyber.exe - Modifies data under HKEY_USERS 4 IoCs
description ioc Process 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 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 - Modifies registry class 16 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\greatroc.tw_hyber.exe" greatroc.tw_hyber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.pdf\ = "PDFBotnet" greatroc.tw_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command greatroc.tw_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet greatroc.tw_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open greatroc.tw_hyber.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell greatroc.tw_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell greatroc.tw_hyber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\greatroc.tw_hyber.exe\" \"%1\"" greatroc.tw_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings greatroc.tw_hyber.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell\open greatroc.tw_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell\open\command greatroc.tw_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell\open greatroc.tw_hyber.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell\open\command greatroc.tw_hyber.exe Key created \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings greatroc.tw_hyber.exe Set value (str) \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell\open\command\DelegateExecute greatroc.tw_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-552508041-2681165170-3229858294-1000_Classes\ms-settings\shell greatroc.tw_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 4092 schtasks.exe 4296 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5028 powershell.exe 5028 powershell.exe 5028 powershell.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 5556 WMIC.exe 5556 WMIC.exe 5556 WMIC.exe 5556 WMIC.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 6460 WMIC.exe 6460 WMIC.exe 6460 WMIC.exe 6460 WMIC.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe 3360 greatroc.tw_hyber.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 6116 LogonUI.exe Token: SeCreatePagefilePrivilege 6116 LogonUI.exe Token: SeDebugPrivilege 3360 greatroc.tw_hyber.exe Token: SeDebugPrivilege 5028 powershell.exe Token: SeIncreaseQuotaPrivilege 5028 powershell.exe Token: SeSecurityPrivilege 5028 powershell.exe Token: SeTakeOwnershipPrivilege 5028 powershell.exe Token: SeLoadDriverPrivilege 5028 powershell.exe Token: SeSystemProfilePrivilege 5028 powershell.exe Token: SeSystemtimePrivilege 5028 powershell.exe Token: SeProfSingleProcessPrivilege 5028 powershell.exe Token: SeIncBasePriorityPrivilege 5028 powershell.exe Token: SeCreatePagefilePrivilege 5028 powershell.exe Token: SeBackupPrivilege 5028 powershell.exe Token: SeRestorePrivilege 5028 powershell.exe Token: SeShutdownPrivilege 5028 powershell.exe Token: SeDebugPrivilege 5028 powershell.exe Token: SeSystemEnvironmentPrivilege 5028 powershell.exe Token: SeRemoteShutdownPrivilege 5028 powershell.exe Token: SeUndockPrivilege 5028 powershell.exe Token: SeManageVolumePrivilege 5028 powershell.exe Token: 33 5028 powershell.exe Token: 34 5028 powershell.exe Token: 35 5028 powershell.exe Token: 36 5028 powershell.exe Token: SeIncBasePriorityPrivilege 3360 greatroc.tw_hyber.exe Token: SeDebugPrivilege 1940 tasklist.exe Token: SeDebugPrivilege 4724 whoami.exe Token: SeIncreaseQuotaPrivilege 5556 WMIC.exe Token: SeSecurityPrivilege 5556 WMIC.exe Token: SeTakeOwnershipPrivilege 5556 WMIC.exe Token: SeLoadDriverPrivilege 5556 WMIC.exe Token: SeSystemProfilePrivilege 5556 WMIC.exe Token: SeSystemtimePrivilege 5556 WMIC.exe Token: SeProfSingleProcessPrivilege 5556 WMIC.exe Token: SeIncBasePriorityPrivilege 5556 WMIC.exe Token: SeCreatePagefilePrivilege 5556 WMIC.exe Token: SeBackupPrivilege 5556 WMIC.exe Token: SeRestorePrivilege 5556 WMIC.exe Token: SeShutdownPrivilege 5556 WMIC.exe Token: SeDebugPrivilege 5556 WMIC.exe Token: SeSystemEnvironmentPrivilege 5556 WMIC.exe Token: SeRemoteShutdownPrivilege 5556 WMIC.exe Token: SeUndockPrivilege 5556 WMIC.exe Token: SeManageVolumePrivilege 5556 WMIC.exe Token: 33 5556 WMIC.exe Token: 34 5556 WMIC.exe Token: 35 5556 WMIC.exe Token: 36 5556 WMIC.exe Token: SeIncreaseQuotaPrivilege 5028 powershell.exe Token: SeSecurityPrivilege 5028 powershell.exe Token: SeTakeOwnershipPrivilege 5028 powershell.exe Token: SeLoadDriverPrivilege 5028 powershell.exe Token: SeSystemProfilePrivilege 5028 powershell.exe Token: SeSystemtimePrivilege 5028 powershell.exe Token: SeProfSingleProcessPrivilege 5028 powershell.exe Token: SeIncBasePriorityPrivilege 5028 powershell.exe Token: SeCreatePagefilePrivilege 5028 powershell.exe Token: SeBackupPrivilege 5028 powershell.exe Token: SeRestorePrivilege 5028 powershell.exe Token: SeShutdownPrivilege 5028 powershell.exe Token: SeDebugPrivilege 5028 powershell.exe Token: SeSystemEnvironmentPrivilege 5028 powershell.exe Token: SeRemoteShutdownPrivilege 5028 powershell.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3360 greatroc.tw_hyber.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 6116 LogonUI.exe 6116 LogonUI.exe 3360 greatroc.tw_hyber.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3360 wrote to memory of 5028 3360 greatroc.tw_hyber.exe 91 PID 3360 wrote to memory of 5764 3360 greatroc.tw_hyber.exe 93 PID 3360 wrote to memory of 5004 3360 greatroc.tw_hyber.exe 95 PID 3360 wrote to memory of 1936 3360 greatroc.tw_hyber.exe 97 PID 3360 wrote to memory of 356 3360 greatroc.tw_hyber.exe 99 PID 3360 wrote to memory of 2824 3360 greatroc.tw_hyber.exe 101 PID 3360 wrote to memory of 1284 3360 greatroc.tw_hyber.exe 103 PID 3360 wrote to memory of 4796 3360 greatroc.tw_hyber.exe 105 PID 3360 wrote to memory of 5080 3360 greatroc.tw_hyber.exe 107 PID 3360 wrote to memory of 1752 3360 greatroc.tw_hyber.exe 108 PID 1752 wrote to memory of 5288 1752 fodhelper.exe 110 PID 3360 wrote to memory of 6360 3360 greatroc.tw_hyber.exe 112 PID 3360 wrote to memory of 4092 3360 greatroc.tw_hyber.exe 113 PID 3360 wrote to memory of 764 3360 greatroc.tw_hyber.exe 119 PID 3360 wrote to memory of 4668 3360 greatroc.tw_hyber.exe 121 PID 3360 wrote to memory of 5636 3360 greatroc.tw_hyber.exe 122 PID 3360 wrote to memory of 4832 3360 greatroc.tw_hyber.exe 123 PID 3360 wrote to memory of 1904 3360 greatroc.tw_hyber.exe 124 PID 3360 wrote to memory of 5692 3360 greatroc.tw_hyber.exe 125 PID 3360 wrote to memory of 4452 3360 greatroc.tw_hyber.exe 126 PID 3360 wrote to memory of 4296 3360 greatroc.tw_hyber.exe 132 PID 3360 wrote to memory of 4940 3360 greatroc.tw_hyber.exe 135 PID 3360 wrote to memory of 620 3360 greatroc.tw_hyber.exe 136 PID 5636 wrote to memory of 1940 5636 cmd.exe 137 PID 3360 wrote to memory of 5628 3360 greatroc.tw_hyber.exe 138 PID 3360 wrote to memory of 5556 3360 greatroc.tw_hyber.exe 139 PID 3360 wrote to memory of 4604 3360 greatroc.tw_hyber.exe 140 PID 3360 wrote to memory of 3368 3360 greatroc.tw_hyber.exe 141 PID 3360 wrote to memory of 5404 3360 greatroc.tw_hyber.exe 142 PID 3360 wrote to memory of 5188 3360 greatroc.tw_hyber.exe 143 PID 4832 wrote to memory of 4724 4832 cmd.exe 150 PID 4452 wrote to memory of 5624 4452 cmd.exe 151 PID 5692 wrote to memory of 3956 5692 cmd.exe 152 PID 4668 wrote to memory of 4876 4668 cmd.exe 153 PID 1904 wrote to memory of 2700 1904 cmd.exe 154 PID 4604 wrote to memory of 4812 4604 net.exe 155 PID 2700 wrote to memory of 4268 2700 net.exe 156 PID 764 wrote to memory of 6280 764 cmd.exe 158 PID 764 wrote to memory of 6460 764 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\greatroc.tw_hyber.exe"C:\Users\Admin\AppData\Local\Temp\greatroc.tw_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:3360 -
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:5028
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop wscsvc2⤵
- Launches sc.exe
PID:5764
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config wscsvc start= disabled2⤵
- Launches sc.exe
PID:5004
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop SecurityHealthService2⤵
- Launches sc.exe
PID:1936
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled2⤵
- Launches sc.exe
PID:356
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop WinDefend2⤵
- Launches sc.exe
PID:2824
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config WinDefend start= disabled2⤵
- Launches sc.exe
PID:1284
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop MsMpSvc2⤵
- Launches sc.exe
PID:4796
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config MsMpSvc start= disabled2⤵
- Launches sc.exe
PID:5080
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C:\Windows\System32\fodhelper.exe"C:\Windows\System32\fodhelper.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1752 -
C:\Users\Admin\AppData\Local\Temp\greatroc.tw_hyber.exe"C:\Users\Admin\AppData\Local\Temp\greatroc.tw_hyber.exe"3⤵PID:5288
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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:6360
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\greatroc.tw_hyber.exe" /sc onlogon /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:4092
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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:764 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:6280
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious behavior: EnumeratesProcesses
PID:6460
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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:4668 -
C:\Windows\system32\systeminfo.exesysteminfo3⤵
- Gathers system information
PID:4876
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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:5636 -
C:\Windows\system32\tasklist.exetasklist3⤵
- Discovers running processes
- Suspicious use of AdjustPrivilegeToken
PID:1940
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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:4832 -
C:\Windows\system32\whoami.exewhoami3⤵
- Suspicious use of AdjustPrivilegeToken
PID:4724
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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:1904 -
C:\Windows\system32\net.exenet user3⤵
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user4⤵PID:4268
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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:5692 -
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:3956
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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:4452 -
C:\Windows\system32\NETSTAT.EXEnetstat -an3⤵
- Gathers network information
PID:5624
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\greatroc.tw_hyber.exe" /sc daily /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:4296
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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:4940
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C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe"2⤵PID:620
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C:\Windows\System32\vssadmin.exe"C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet2⤵
- Interacts with shadow copies
PID:5628
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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:5556
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C:\Windows\System32\net.exe"C:\Windows\System32\net.exe" stop srservice2⤵
- Suspicious use of WriteProcessMemory
PID:4604 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop srservice3⤵PID:4812
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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:3368
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config i8042prt start= disabled2⤵
- Launches sc.exe
PID:5404
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop i8042prt2⤵
- Launches sc.exe
PID:5188
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3a20055 /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:6116
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k CameraMonitor1⤵PID:2116
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C:\Users\Admin\AppData\Local\Temp\greatroc.tw_hyber.exeC:\Users\Admin\AppData\Local\Temp\greatroc.tw_hyber.exe1⤵PID:2676
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:6224
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 415a7d218caef02772a314e26c990e5cad45aa9646d50cac36ca9ccddd1e7f64
- MD5 1b6975dda34bd5f37f319bbd8c0050e5
- SHA1 328847828becb8bb8200c9e5b36cc17b93ba0024
- SHA512 41456dae5f92b4e56c63604e453a864344d710410e454e7caf1e00dc2d4f5fe5a4d645f9fdcf1b493f2a85d5fd497b9218098142985ff51bf540c35abf7ff66c
- SSDEEP 1536:e2Rveo0zwn1+7cRMa3EJexr3lPSlczBcoh2vcCsRSk94hkopx7lyanev:egvQzwnA81EYr3lPCczBcogUtXoT7lyz
- TLSH T170632A378B27FCC2677F3D80E0A439560C883D2787B5A678FBC50A5938A5584EF2D598
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\SystemVolumeInformation\doc_3.pdf
- Size 66KB
- SHA256 28c18711810accbb511a83dad2065e431490ec79ba667577a4d2dd3bd04e5587
- MD5 def80972789afd20c2473432f20d5cfe
- SHA1 af7b0a4b9a277119bc2fd582cde89dd628950da3
- SHA512 5608e2c4b64cf46f76c7142efcedbcfcbb47c85f237d7e3551451f7e294cdfc2b2c7a447857809e3fab4aed5652ab78d8f2a734c7bd84a2dd74b5e7015a71979
- SSDEEP 1536:+2Rveo0zwn1+7cRMa3EJexr3lPSlczBcoh2vcCsRSk94hkopx7lyaneO:+gvQzwnA81EYr3lPCczBcogUtXoT7lyq
- TLSH T140632A378B27FCC2677F3D80E0A429560C883D2787B5A67CFBC50A9938A5584DF2D598
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
- Size 242B
- SHA256 fb4d282d263a1bf0363d8f89c7564f0073d123b7a291a4222623d096ed09f898
- MD5 7c25b79252233c43e5af75596a123555
- SHA1 14a820f2498650bd89b05a720edff82998a80082
- SHA512 2a62efde0107d0a81f79c247f16c6e6c2942182054d62cc69783c52f07eef37587caee194166311090b3b0900b22c87f274b6ec54a94245a82b3dbd4cae860f6
- TLSH T1D3D0A78BB24DC6A90001627B81F38E9DE6A548283B17BE744AA5DD4E36D09C589F6543
- 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 d728a3d5e48852bdaa588fca18e486886cf697a317000be85d69e30316d075a5
- MD5 8d39b9ee074f8360c745dc07f7c23370
- SHA1 0dace942c7a19d6c021406ee5ad6973df46e6ddf
- SHA512 9ddf19ba81b6e1533432b42f2dae5564eedbc72cb01fef0c946f09aaaa71bcb183eb5994ac7a0186a37c5ac2eea4f65994b6a3638bd63ab43bc5597332023b0b
- TLSH T16CD0A7CBB24DC6A90001627B80F38E9DE6E149283B17BE749AA5DD4E36D09C589F6543
- MD5 SHA1 SHA512 TLSH