Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
22/10/2026, 16:53
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
kactus.io_hyber.exe
Resource
win10v2004-20260911-en
windows10-2004-x64
39 signatures
150 seconds
Behavioral task
behavioral2
Sample
kactus.io_hyber.exe
Resource
win11ltsc2024-20260911-en
windows11-ltsc_2024-x64
40 signatures
150 seconds
General
- Target kactus.io_hyber.exe
- Size 49KB
- Sample261022-veaf3aag69
- SHA256 fb109f2edc782861dffb461214ca22c96eaa3fafd82d513e521a9c7eb86a04f4
- MD5 129770df16acfa73686d341996fc6c4e
- SHA1 8a476abb182233155a82d40d42b6ab9f2805cb84
- SHA512 b9bbeae10964fd51289191c5dcd5bf225a5e781b2a0814e20d5e727998a1bc055262c99b22f160a0549b125949fb8f4d3986ee8a6f87c6371512d0dae9021dab
- SSDEEP 768:orVZZ6zs0htCDX291DUYwqn/NKPzfX/feA4W:OZ6HhADX291oqnGP/feA4W
- TLSH T1B733F64537ED4526D2BF9ABE89F251118331F4639C23DB4E1AD8459E19F3B00CCA8B6B
- 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/3892-1-0x0000000000610000-0x0000000000622000-memory.dmp disable_win_def -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" kactus.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 3300 powershell.exe - Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" kactus.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 kactus.io_hyber.exe - Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 3900 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_179.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_195.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_38.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_40.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_80.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_160.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_199.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_3.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_5.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_58.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_85.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_101.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_122.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_132.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_165.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_10.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_84.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_101.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_108.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_149.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_166.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_193.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_199.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_29.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_39.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_45.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_49.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_61.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_86.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_102.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_108.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_111.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_127.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_141.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_176.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_30.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_91.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_109.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_164.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_183.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system.bat kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_74.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_200.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_22.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_88.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_113.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_125.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_129.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_94.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_95.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_99.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_141.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_177.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_32.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_42.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_45.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_57.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_92.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_103.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_188.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_192.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_79.pdf kactus.io_hyber.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_79.pdf kactus.io_hyber.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_123.pdf kactus.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-1-5-21-1262770251-41185387-1005173349-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\kactus.io_hyber.exe" kactus.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 2536 tasklist.exe - Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\system32\svchost.exe kactus.io_hyber.exe File created C:\Windows\system32\sysupdate.exe kactus.io_hyber.exe File opened for modification C:\Windows\system32\sysupdate.exe kactus.io_hyber.exe File opened for modification C:\Windows\system32\LogFiles\WMI\FaceUnlockManually.etl LogonUI.exe - Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
pid Process 200 wscript.exe 1680 wscript.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp" kactus.io_hyber.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\rescache\_merged\1190018277\831543611.pri LogonUI.exe - Launches sc.exe 10 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4228 sc.exe 3500 sc.exe 4496 sc.exe 5368 sc.exe 4272 sc.exe 4208 sc.exe 4352 sc.exe 1712 sc.exe 4988 sc.exe 4120 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 2488 cmd.exe 5304 cmd.exe 3192 cmd.exe 2356 cmd.exe 4808 cmd.exe 940 cmd.exe 4284 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain kactus.io_hyber.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname kactus.io_hyber.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain WMIC.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname WMIC.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 1836 NETSTAT.EXE 3564 ipconfig.exe - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 4268 systeminfo.exe - Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3732 vssadmin.exe 3472 vssadmin.exe - Modifies Control Panel 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000\Control Panel\Desktop\WallpaperStyle = "2" kactus.io_hyber.exe - Modifies data under HKEY_USERS 4 IoCs
description ioc Process 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 Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe - Modifies registry class 16 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet kactus.io_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell kactus.io_hyber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\kactus.io_hyber.exe\" \"%1\"" kactus.io_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000_Classes\ms-settings kactus.io_hyber.exe Key created \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000_Classes\ms-settings\shell kactus.io_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open kactus.io_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000_Classes\ms-settings\shell\open\command kactus.io_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000_Classes\ms-settings\shell\open kactus.io_hyber.exe Key deleted \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000_Classes\ms-settings\shell kactus.io_hyber.exe Key created \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000_Classes\ms-settings\shell\open\command kactus.io_hyber.exe Key created \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000_Classes\ms-settings kactus.io_hyber.exe Set value (str) \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000_Classes\ms-settings\shell\open\command\DelegateExecute kactus.io_hyber.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command kactus.io_hyber.exe Key created \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000_Classes\ms-settings\shell\open kactus.io_hyber.exe Set value (str) \REGISTRY\USER\S-1-5-21-1262770251-41185387-1005173349-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\kactus.io_hyber.exe" kactus.io_hyber.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.pdf\ = "PDFBotnet" kactus.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 3916 schtasks.exe 852 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3300 powershell.exe 3300 powershell.exe 3300 powershell.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 5608 WMIC.exe 5608 WMIC.exe 5608 WMIC.exe 5608 WMIC.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3440 WMIC.exe 3440 WMIC.exe 3440 WMIC.exe 3440 WMIC.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe 3892 kactus.io_hyber.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 4956 LogonUI.exe Token: SeCreatePagefilePrivilege 4956 LogonUI.exe Token: SeDebugPrivilege 3892 kactus.io_hyber.exe Token: SeDebugPrivilege 3300 powershell.exe Token: SeIncreaseQuotaPrivilege 3300 powershell.exe Token: SeSecurityPrivilege 3300 powershell.exe Token: SeTakeOwnershipPrivilege 3300 powershell.exe Token: SeLoadDriverPrivilege 3300 powershell.exe Token: SeSystemProfilePrivilege 3300 powershell.exe Token: SeSystemtimePrivilege 3300 powershell.exe Token: SeProfSingleProcessPrivilege 3300 powershell.exe Token: SeIncBasePriorityPrivilege 3300 powershell.exe Token: SeCreatePagefilePrivilege 3300 powershell.exe Token: SeBackupPrivilege 3300 powershell.exe Token: SeRestorePrivilege 3300 powershell.exe Token: SeShutdownPrivilege 3300 powershell.exe Token: SeDebugPrivilege 3300 powershell.exe Token: SeSystemEnvironmentPrivilege 3300 powershell.exe Token: SeRemoteShutdownPrivilege 3300 powershell.exe Token: SeUndockPrivilege 3300 powershell.exe Token: SeManageVolumePrivilege 3300 powershell.exe Token: 33 3300 powershell.exe Token: 34 3300 powershell.exe Token: 35 3300 powershell.exe Token: 36 3300 powershell.exe Token: SeIncBasePriorityPrivilege 3892 kactus.io_hyber.exe Token: SeDebugPrivilege 3040 whoami.exe Token: SeDebugPrivilege 2536 tasklist.exe Token: SeIncreaseQuotaPrivilege 3300 powershell.exe Token: SeSecurityPrivilege 3300 powershell.exe Token: SeTakeOwnershipPrivilege 3300 powershell.exe Token: SeLoadDriverPrivilege 3300 powershell.exe Token: SeSystemProfilePrivilege 3300 powershell.exe Token: SeSystemtimePrivilege 3300 powershell.exe Token: SeProfSingleProcessPrivilege 3300 powershell.exe Token: SeIncBasePriorityPrivilege 3300 powershell.exe Token: SeCreatePagefilePrivilege 3300 powershell.exe Token: SeBackupPrivilege 3300 powershell.exe Token: SeRestorePrivilege 3300 powershell.exe Token: SeShutdownPrivilege 3300 powershell.exe Token: SeDebugPrivilege 3300 powershell.exe Token: SeSystemEnvironmentPrivilege 3300 powershell.exe Token: SeRemoteShutdownPrivilege 3300 powershell.exe Token: SeUndockPrivilege 3300 powershell.exe Token: SeManageVolumePrivilege 3300 powershell.exe Token: 33 3300 powershell.exe Token: 34 3300 powershell.exe Token: 35 3300 powershell.exe Token: 36 3300 powershell.exe Token: SeIncreaseQuotaPrivilege 5608 WMIC.exe Token: SeSecurityPrivilege 5608 WMIC.exe Token: SeTakeOwnershipPrivilege 5608 WMIC.exe Token: SeLoadDriverPrivilege 5608 WMIC.exe Token: SeSystemProfilePrivilege 5608 WMIC.exe Token: SeSystemtimePrivilege 5608 WMIC.exe Token: SeProfSingleProcessPrivilege 5608 WMIC.exe Token: SeIncBasePriorityPrivilege 5608 WMIC.exe Token: SeCreatePagefilePrivilege 5608 WMIC.exe Token: SeBackupPrivilege 5608 WMIC.exe Token: SeRestorePrivilege 5608 WMIC.exe Token: SeShutdownPrivilege 5608 WMIC.exe Token: SeDebugPrivilege 5608 WMIC.exe Token: SeSystemEnvironmentPrivilege 5608 WMIC.exe Token: SeRemoteShutdownPrivilege 5608 WMIC.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3892 kactus.io_hyber.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4956 LogonUI.exe 4956 LogonUI.exe 3892 kactus.io_hyber.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 3892 wrote to memory of 3300 3892 kactus.io_hyber.exe 93 PID 3892 wrote to memory of 5368 3892 kactus.io_hyber.exe 95 PID 3892 wrote to memory of 1712 3892 kactus.io_hyber.exe 97 PID 3892 wrote to memory of 4988 3892 kactus.io_hyber.exe 151 PID 3892 wrote to memory of 4120 3892 kactus.io_hyber.exe 101 PID 3892 wrote to memory of 4228 3892 kactus.io_hyber.exe 103 PID 3892 wrote to memory of 4272 3892 kactus.io_hyber.exe 105 PID 3892 wrote to memory of 3500 3892 kactus.io_hyber.exe 107 PID 3892 wrote to memory of 4208 3892 kactus.io_hyber.exe 109 PID 3892 wrote to memory of 5804 3892 kactus.io_hyber.exe 111 PID 5804 wrote to memory of 3228 5804 fodhelper.exe 112 PID 3892 wrote to memory of 200 3892 kactus.io_hyber.exe 114 PID 3892 wrote to memory of 3916 3892 kactus.io_hyber.exe 115 PID 3892 wrote to memory of 5304 3892 kactus.io_hyber.exe 118 PID 3892 wrote to memory of 2488 3892 kactus.io_hyber.exe 121 PID 3892 wrote to memory of 4284 3892 kactus.io_hyber.exe 122 PID 3892 wrote to memory of 940 3892 kactus.io_hyber.exe 123 PID 3892 wrote to memory of 4808 3892 kactus.io_hyber.exe 124 PID 3892 wrote to memory of 2356 3892 kactus.io_hyber.exe 125 PID 3892 wrote to memory of 3192 3892 kactus.io_hyber.exe 126 PID 3892 wrote to memory of 852 3892 kactus.io_hyber.exe 131 PID 3892 wrote to memory of 1680 3892 kactus.io_hyber.exe 135 PID 940 wrote to memory of 3040 940 cmd.exe 136 PID 3892 wrote to memory of 5564 3892 kactus.io_hyber.exe 137 PID 2356 wrote to memory of 3564 2356 cmd.exe 138 PID 3192 wrote to memory of 1836 3192 cmd.exe 139 PID 3892 wrote to memory of 3472 3892 kactus.io_hyber.exe 140 PID 3892 wrote to memory of 5608 3892 kactus.io_hyber.exe 141 PID 3892 wrote to memory of 5880 3892 kactus.io_hyber.exe 142 PID 3892 wrote to memory of 3900 3892 kactus.io_hyber.exe 143 PID 3892 wrote to memory of 4352 3892 kactus.io_hyber.exe 144 PID 3892 wrote to memory of 4496 3892 kactus.io_hyber.exe 145 PID 4284 wrote to memory of 2536 4284 cmd.exe 153 PID 4808 wrote to memory of 3420 4808 cmd.exe 152 PID 3420 wrote to memory of 5900 3420 net.exe 154 PID 2488 wrote to memory of 4268 2488 cmd.exe 155 PID 5880 wrote to memory of 4092 5880 net.exe 156 PID 5304 wrote to memory of 3732 5304 cmd.exe 158 PID 5304 wrote to memory of 3440 5304 cmd.exe 161 - 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\kactus.io_hyber.exe"C:\Users\Admin\AppData\Local\Temp\kactus.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
- Reads the TCP/IP host and domain name from the 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:3892 -
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:3300
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop wscsvc2⤵
- Launches sc.exe
PID:5368
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config wscsvc start= disabled2⤵
- Launches sc.exe
PID:1712
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop SecurityHealthService2⤵
- Launches sc.exe
PID:4988
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled2⤵
- Launches sc.exe
PID:4120
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop WinDefend2⤵
- Launches sc.exe
PID:4228
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config WinDefend start= disabled2⤵
- Launches sc.exe
PID:4272
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop MsMpSvc2⤵
- Launches sc.exe
PID:3500
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config MsMpSvc start= disabled2⤵
- Launches sc.exe
PID:4208
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C:\Windows\System32\fodhelper.exe"C:\Windows\System32\fodhelper.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:5804 -
C:\Users\Admin\AppData\Local\Temp\kactus.io_hyber.exe"C:\Users\Admin\AppData\Local\Temp\kactus.io_hyber.exe"3⤵PID:3228
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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:200
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\kactus.io_hyber.exe" /sc onlogon /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:3916
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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:5304 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:3732
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
PID:3440
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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:2488 -
C:\Windows\system32\systeminfo.exesysteminfo3⤵
- Gathers system information
PID:4268
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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:4284 -
C:\Windows\system32\tasklist.exetasklist3⤵
- Discovers running processes
- Suspicious use of AdjustPrivilegeToken
PID:2536
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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:940 -
C:\Windows\system32\whoami.exewhoami3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3040
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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:4808 -
C:\Windows\system32\net.exenet user3⤵
- Suspicious use of WriteProcessMemory
PID:3420 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user4⤵PID:5900
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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:2356 -
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:3564
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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:3192 -
C:\Windows\system32\NETSTAT.EXEnetstat -an3⤵
- Gathers network information
PID:1836
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\kactus.io_hyber.exe" /sc daily /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:852
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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:1680
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C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe"2⤵PID:5564
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C:\Windows\System32\vssadmin.exe"C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet2⤵
- Interacts with shadow copies
PID:3472
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C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete2⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5608
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C:\Windows\System32\net.exe"C:\Windows\System32\net.exe" stop srservice2⤵
- Suspicious use of WriteProcessMemory
PID:5880 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop srservice3⤵PID:4092
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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:3900
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config i8042prt start= disabled2⤵
- Launches sc.exe
PID:4352
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop i8042prt2⤵
- Launches sc.exe
PID:4496 -
C:\Windows\System32\Conhost.exe\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV13⤵PID:4988
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3a22055 /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:4956
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k CameraMonitor1⤵PID:5916
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C:\Users\Admin\AppData\Local\Temp\kactus.io_hyber.exeC:\Users\Admin\AppData\Local\Temp\kactus.io_hyber.exe1⤵PID:5272
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:3036
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵PID:2408
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:\SystemVolumeInformation\doc_2.pdf
- Size 66KB
- SHA256 cc6298020c4b9045c7cb18eacdac8397b072ec7d817e31ddbb9e8c7ded2a462f
- MD5 18b2d0a42a3453a04aeacebc65d0b5ff
- SHA1 0d9b33763c434a1f81f044d73c2be7ac63982598
- SHA512 b8cc896c0da14418466f28163d6306da6667fdef3b0ab88817d852d17416401427697cfbbe29baac6153787f6b417b9e08f545d1aad64f353bebbd2f66348986
- SSDEEP 1536:x2Rveo0zwn1+7cRMa3EJSg5QAtMgI59wFBJA8ezply9ueJzRBDEI80tse8qXD:xgvQzwnA81EJXry3zpl6uUzRRl80tse5
- TLSH T1686319334B23FDC5677B3D80F06439410C883A6747B5A768FBC90AA93DA5688DF2D598
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2baqyhyt.uzd.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs
- Size 240B
- SHA256 41017cf724689ec2eb5644d6449a2099e67d1a689746db1a6a637137fb130747
- MD5 8c4caa046cfcc33ec2f85247da652152
- SHA1 bf5820d6b33b4cfa60336897986b47a62b3b5218
- SHA512 467ad75de30c93b6a1844c78704b4148cd8caa8bad4bf79e599a1dbe88d73d02797ec8dcc6249e0ee91f83099743c02ba4f58b73d76111073ecf37ba66c272e6
- TLSH T196D0A79BB14DC6A90001127B81F3CE8CE5A548693B57BE704AE5DD4E32908C589F6583
- 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 241B
- SHA256 4a6a2a5783524d9ee2d24e217e8489cea28ef2a906618945c43fd81236391e13
- MD5 0c63f02fdd82476ebca237833052547f
- SHA1 7f92ed7fcd0e204673b1208d7d813d5ca93c5c94
- SHA512 eb4da0b77d288df364766dddcca6124363a03c57427d18ad06fa2b65bc8468f60e1f49882f0be4b2dfd58fd3b031b33cea638153efc825cd2404fee032d5e828
- TLSH T13BD0A7DBB14DC6A90001127B80F3CE8CE6E148693B57BE709AA5DD0F328088589F6583
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\Documents\invoice_1.pdf
- Size 66KB
- SHA256 bfee0a8566447649a20ce451688bb68e26dbf3fb09730a81520736317083614e
- MD5 94ef1c1f94e6d0b572928d93af41e648
- SHA1 74111ce02602cb181d6c6e4db3db2268b883d9e2
- SHA512 1fddd5d759c398ed5b61b1363ebd3ec3da9988d5e61638bb4a7abc54af8d7d23701dff3d4aa513840a0e8679bcb83aa87c2c7b16a9f75ca666d7fc9d8283e426
- SSDEEP 1536:R2Rveo0zwn1+7cRMa3EJSg5QAtMgI59wFBJA8ezply9ueJzRBDEI80tse8qXI:RgvQzwnA81EJXry3zpl6uUzRRl80tse+
- TLSH T1F2632A334B23FDC5677B3D80F06439410C883A6747B5A768FBC90A693DA5688EF2D598
- MD5 SHA1 SHA512 SSDEEP TLSH